JAI PAPA EDUCATION
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00:00:00We have also talked about conversion.
00:00:02Now, we understand this rate that whenever we read a reaction,
00:00:07while reading the reaction, we will find out its rate.
00:00:11And to find out the rate, there is a simple concept that
00:00:14if someone tells you the initial concentration,
00:00:16if someone tells you the final concentration,
00:00:18you minus it and find it out.
00:00:19Now, what is the problem?
00:00:21The problem is the same that has come in physics in terms of speed.
00:00:23If you have ever heard the name of speed in your childhood,
00:00:26then you were told that speed is of two types.
00:00:28One is average and the other is instantaneous.
00:00:31Isn't it?
00:00:32I will explain this with a small example.
00:00:34Imagine that you went from Kota to Jaipur.
00:00:36Where did you go?
00:00:37And suppose that the distance from Kota to Jaipur is about 200 km.
00:00:42I am taking a simple number so that you can do the calculation.
00:00:45You went from Kota to Jaipur.
00:00:47The distance is 200 km.
00:00:48You left from Kota at 10 am and reached Jaipur at 12 pm.
00:00:53How many hours did you drive?
00:00:55How many kilometres?
00:00:57As soon as you reach Jaipur, you meet me.
00:01:00And I asked you the first question.
00:01:02Tell me, son, what was your speed?
00:01:04Your speed.
00:01:05So tell me, what will you tell me about speed?
00:01:07You will tell me the speed.
00:01:09100 km per hour.
00:01:10I ask all of you a question.
00:01:12What you have told 100 km per hour,
00:01:14does it mean that you have driven the car at this speed every time,
00:01:17every minute, every second?
00:01:21Or you said, sir,
00:01:22almost average, on an average.
00:01:25Or when there was a paper in your school,
00:01:27you used to say,
00:01:28how is the number of physics, chemistry, bio, English, all together?
00:01:31Yes, almost, almost.
00:01:32Isn't it?
00:01:33Big estimate, 80-85 in all.
00:01:35What is the meaning of average?
00:01:36That you tell almost in all,
00:01:38estimate,
00:01:39or say that this is the overall.
00:01:42Isn't it?
00:01:44In the same way,
00:01:45today when we are studying reactions,
00:01:47then we took a reactant in reactions.
00:01:49And we put the reactant in this vessel.
00:01:51We put 100 moles of reactant.
00:01:53How many did we put?
00:01:54So as soon as you put 100 moles of reactant,
00:01:57the reaction runs for 5 seconds.
00:02:0050 moles of it are left,
00:02:02that is, how many moles are finished?
00:02:04So you took out its rate.
00:02:06And when you took out the rate,
00:02:07then you said,
00:02:08final minus initial divided by total time taken.
00:02:10Say yes or no?
00:02:11So we will solve this and put minus minus.
00:02:13Yes or no?
00:02:14So how much will come?
00:02:1550 divided by 5,
00:02:16that is, 10 moles per second.
00:02:17Say yes or no?
00:02:18I am writing moles to explain.
00:02:19But you remember that there is no permission to write moles.
00:02:22You should write liters per mole.
00:02:23But I am writing moles to make you feel.
00:02:25Okay?
00:02:26Okay.
00:02:27What was the speed of this?
00:02:2810 moles?
00:02:2910 moles?
00:02:31What was the speed of the car?
00:02:33That is, in one hour?
00:02:36Hello?
00:02:37So how will you read this?
00:02:38In one second?
00:02:40Is it really necessary to go 10 moles every second?
00:02:44But you said,
00:02:45approximate, approximate,
00:02:47average,
00:02:48fat, fat, yes or no?
00:02:49The rate that you have taken out,
00:02:52has it really come in an interval or not?
00:02:55And that is why this rate is called the average rate.
00:02:58What was said?
00:02:59How many seconds did the reaction take place?
00:03:01And how many moles did it go in every second?
00:03:04Is it really necessary to go 10 moles every second?
00:03:07But when you look at 5 seconds overall,
00:03:09you find out how many moles have gone in every second.
00:03:12This is called the average rate.
00:03:14This is called the average speed.
00:03:16Like speed is of two types.
00:03:18Sometimes average and sometimes instantaneous.
00:03:21Similarly, rate is also of two types.
00:03:23Sometimes average and sometimes instantaneous.
00:03:26Write the next point.
00:03:27Types of rate.
00:03:30So dear students,
00:03:31right now I am teaching you a concept, rate.
00:03:35And today we found out that there are two types of rate.
00:03:38One is the average rate.
00:03:40And the other is the instantaneous rate.
00:03:43Yes, I don't need to explain this to you.
00:03:47Instantaneous,
00:03:48means at any instant,
00:03:50means at any moment,
00:03:51means at any moment.
00:03:55What is the average rate?
00:03:57How to find out the average rate?
00:03:59How do questions arise?
00:04:00We will discuss these three things.
00:04:02What is the instantaneous rate?
00:04:04How to find out the instantaneous rate?
00:04:06How do the questions of instantaneous rate arise?
00:04:09We will discuss these three things.
00:04:10Alright?
00:04:11So first of all, let me tell you the flow.
00:04:13Then we will start reading.
00:04:14We are finding out the rate.
00:04:17We will find out the reactant once.
00:04:19We will find out the product once.
00:04:21And we will find out the reaction once.
00:04:24Got it?
00:04:25So what is the average rate?
00:04:27Once.
00:04:29And once.
00:04:30Exactly the same way.
00:04:32Instantaneous rate.
00:04:33Once.
00:04:34Once.
00:04:35And once.
00:04:36And whenever we read a topic,
00:04:38I will explain it to you later.
00:04:40I am just telling you now.
00:04:41I teach every topic in three parts.
00:04:43Theoretical.
00:04:44Mathematical.
00:04:45Graphical.
00:04:46And then Numerical.
00:04:48Hello.
00:04:49Sometimes there are graphs.
00:04:50Sometimes there are graphs.
00:04:52That means I am teaching.
00:04:54What is the average in that too?
00:04:56I will tell you once.
00:04:57So what will I tell you first?
00:04:59Then.
00:05:00Then.
00:05:01Then.
00:05:02Done.
00:05:03Now it is possible that I will club all the numericals together at the end.
00:05:06Or I can do it one by one.
00:05:07But every topic has a big concept.
00:05:09First the theory.
00:05:10Then its formula.
00:05:11Then its graphs.
00:05:12And then its questions.
00:05:13Alright?
00:05:14In the same way,
00:05:15when I will teach instantaneous rate,
00:05:17then first of all,
00:05:18the reactant, product, reaction.
00:05:19First of all,
00:05:20the theoretical part.
00:05:21Then the mathematical part.
00:05:22Then the graphical part.
00:05:23And then.
00:05:24Is this clear?
00:05:25Shall we start reading?
00:05:26So write it in a copy.
00:05:27As it is written in front of you on the board.
00:05:29In short,
00:05:30the meaning of abbreviation,
00:05:31you have understood that
00:05:32it is theoretical,
00:05:33mathematical,
00:05:34graphical,
00:05:35and numerical.
00:05:38Alright.
00:05:39So you want to say that
00:05:40when we calculate the rate,
00:05:42then rate basically
00:05:44is of two types.
00:05:46One is average.
00:05:48And the other is instantaneous.
00:05:49So sir,
00:05:50how to calculate average?
00:05:51Sir,
00:05:52what is average?
00:05:53As I gave you
00:05:54a small idea.
00:05:56If you read the reaction for 5 seconds,
00:05:59then the way you calculated the rate of 5 seconds,
00:06:02the way I explained to you,
00:06:03that was average in itself.
00:06:05It can also be understood that
00:06:07what we have studied till now,
00:06:08what did we study?
00:06:09Average.
00:06:10Did you just read instantaneous?
00:06:12Tell me.
00:06:14When you calculate the average rate,
00:06:17then the average rate is always
00:06:18calculated in a measurable time interval
00:06:21which you can measure.
00:06:23Can you measure microseconds with this watch?
00:06:27Can you measure nanoseconds with this watch?
00:06:30Then you cannot calculate the average rate
00:06:32in microseconds and nanoseconds.
00:06:34You will calculate the average rate
00:06:36which your watch can read.
00:06:38It is the limitation of the instrument.
00:06:40If you read someone's watch in microseconds,
00:06:42it will calculate it in microseconds.
00:06:43It will work.
00:06:44So the average rate is such a rate
00:06:47which is calculated at a time
00:06:48which can be measured.
00:06:50Write the point.
00:06:51Average rate.
00:06:54It is measured.
00:06:56It is measured
00:06:59in measurable time interval.
00:07:03It is measured
00:07:05in measurable time interval.
00:07:10It is measured
00:07:11in measurable time interval.
00:07:14In measurable time interval.
00:07:17The formula which you have studied earlier,
00:07:19the same formula will work.
00:07:21Does everyone remember the first formula?
00:07:23Delta C by E?
00:07:24Or Delta P by E?
00:07:26Do you remember the rule of applying minus plus?
00:07:28Do we apply minus to make minus
00:07:30or to make plus?
00:07:32So apply minus before reactant
00:07:34and it will become plus.
00:07:35There is no need to apply anything
00:07:36in the product.
00:07:37Okay.
00:07:38The formula is ready.
00:07:39The concept is ready.
00:07:40Whenever we ask a question,
00:07:42what will we do?
00:07:43Whenever it asks the average rate,
00:07:46it will say in between.
00:07:48Whenever it says in or between,
00:07:50understand that it has indicated
00:07:52towards the average rate.
00:07:53In 5 seconds.
00:07:55Between 10 to 20 seconds.
00:07:58Means interval.
00:07:59Right?
00:08:00And when it has to say instantaneous,
00:08:01it will say like this.
00:08:0210 o'clock, 12 minutes, 5 seconds.
00:08:04But instantaneous.
00:08:07May interval.
00:08:09Hello.
00:08:10I say one hour in May.
00:08:12Means it is May.
00:08:13Means what is going on?
00:08:14Average.
00:08:15And I say 10 o'clock, 12 minutes,
00:08:1610 seconds.
00:08:17What will you call this?
00:08:18Instant.
00:08:19Who is talking now?
00:08:20Average.
00:08:21Will it work?
00:08:22Once for reactant,
00:08:23once for product,
00:08:24once for reaction.
00:08:25So write a separate subheading.
00:08:27Average rate of reactant.
00:08:29Average rate of reactant.
00:08:31So children,
00:08:32let us find out
00:08:33the average rate of reactant.
00:08:37Let us find out
00:08:38the average rate of reactant.
00:08:40So as I said a while ago,
00:08:42the formula you studied,
00:08:44it is exactly the same formula.
00:08:46You don't have to do anything.
00:08:47The formula of the average rate of reactant
00:08:49is minus delta C by delta T.
00:08:51It is easy.
00:08:52But when we read it graphically,
00:08:55then we have to understand it graphically.
00:08:57I am making some graphs in front of you.
00:09:00Tell me which graph is right
00:09:02and which graph is wrong.
00:09:04Tell me one thing, children.
00:09:06Does reactant decrease with time
00:09:08or does it increase?
00:09:09What are you talking about?
00:09:11Who decreases?
00:09:12Why does it decrease?
00:09:15Sir, because it is made in product.
00:09:17So when it is less,
00:09:18only then will the product be made.
00:09:20Isn't it?
00:09:21You added 100 moles of reactant.
00:09:23Only when it decreases slowly,
00:09:24will the product be made.
00:09:26Who decreases with time?
00:09:27Reactant.
00:09:28Who increases with time?
00:09:30Product.
00:09:31So today I am making a graph in front of you.
00:09:33The graph that I am making
00:09:34of concentration versus time,
00:09:35every child knows this much.
00:09:37Is this point equal to zero?
00:09:39Tell me, brother.
00:09:40Which point is this?
00:09:42If I go like this,
00:09:43then time is increasing or decreasing?
00:09:45And if I go like this,
00:09:46then concentration?
00:09:47And if I come like this,
00:09:48then concentration?
00:09:49Means the value of the one above increased?
00:09:51The value of the one below?
00:09:52The value of the one here?
00:09:54The value of the one here?
00:09:56Tell me, friend.
00:09:57I am making a graph in front of you.
00:09:59I am making a graph of reactant.
00:10:01The story is about reactant.
00:10:03Tell me, is that graph right or wrong?
00:10:06Why?
00:10:08As time goes by,
00:10:10the concentration?
00:10:13The one increasing,
00:10:14how will that reactant be?
00:10:17The one increasing,
00:10:18that reactant?
00:10:19The reactant will decrease, son.
00:10:22Are you getting this feel?
00:10:23That is,
00:10:24such a graph is never going to be of reactant.
00:10:26So, my question is,
00:10:27if I make such a graph in front of you,
00:10:29then will it work or not?
00:10:32Why did I make the graph from here?
00:10:34Why didn't I make it from zero here?
00:10:36Sir, at T equals to zero,
00:10:37the reactant must be something.
00:10:40If it is not there,
00:10:41then where did the reactant come from?
00:10:42Isn't it there?
00:10:43Is this clear?
00:10:44Okay, which line do we call this?
00:10:48Which line do we call this?
00:10:50Tell me, friend.
00:10:51Half of it is just a line.
00:10:52In the language of math,
00:10:53we call it a straight line.
00:10:54So, does every reactant in the world
00:10:56decrease like this?
00:10:58If I make a graph like this in front of you,
00:11:00is it decreasing or not?
00:11:02Is this decreasing or is this decreasing?
00:11:04And if both are decreasing,
00:11:05then tell me,
00:11:06the one I made in front of you,
00:11:07is it decreasing or increasing?
00:11:09Tell me.
00:11:10Maybe the name of this graph
00:11:11is not there in math.
00:11:14Is this the first thing you said?
00:11:15Eating waves like this.
00:11:16So, it is nothing, right?
00:11:17Maybe the name of this graph is in math.
00:11:20But this is also decreasing.
00:11:21Decrease.
00:11:22Decrease.
00:11:23If there is any reaction in the world,
00:11:25the reactant will decrease with time.
00:11:27But the method of decreasing
00:11:28every reactant will be different.
00:11:31If someone decreases like this,
00:11:32can someone decrease exponentially?
00:11:35Yes or no?
00:11:36But one thing is for sure
00:11:37that it will decrease with time.
00:11:39I chose one case
00:11:40from such a big chemistry
00:11:41in the world.
00:11:43That case,
00:11:44because I had to make
00:11:45a general case.
00:11:46I did not have to make
00:11:47any specific case.
00:11:48So, I made a general graph.
00:11:49Tell me, will it work?
00:11:50Will it work?
00:11:51Half of the students
00:11:52are confused
00:11:53that the reactant graph
00:11:54will be like this.
00:11:55The graph of the reactant
00:11:56will not be like this.
00:11:57This is a general graph.
00:11:58This is a general case.
00:11:59It may be like this.
00:12:00It may be like this.
00:12:01It may be like this.
00:12:02So, in numerical,
00:12:03anything can happen.
00:12:04Now tell me,
00:12:05is this the graph of the reactant
00:12:06or not?
00:12:07What are we deducing?
00:12:08The momentum of the force?
00:12:10You forgot half.
00:12:11What are we deducing?
00:12:13Which rate?
00:12:14Whose?
00:12:16How are we deducing?
00:12:17Graphically.
00:12:18Will it work?
00:12:19For that,
00:12:20first of all,
00:12:21we have to choose an interval.
00:12:22Let us choose an interval.
00:12:23What should we choose?
00:12:24Let me call it T1.
00:12:25Let me call it T2.
00:12:26Is this clear?
00:12:27Concentration at T1,
00:12:28C1.
00:12:29Concentration at T2?
00:12:30Tell me,
00:12:31the concentration at T1
00:12:32which is considered C1,
00:12:33is it big or small?
00:12:34And C2?
00:12:35But who is the initial?
00:12:36Who is the final?
00:12:37What are we deducing?
00:12:38You forgot half.
00:12:39What are we deducing?
00:12:40The momentum of the force?
00:12:41Whose?
00:12:42Whose?
00:12:43Whose?
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00:14:52Reacts differently for different reactions,
00:15:00and we have made this a general case,
00:15:03that you always have to pick a graphics interval
00:15:07and add C2 to C1 to solve.
00:15:09Okay?
00:15:10examplar mein aise bahut pyaare sawal hai, karaunga jab numerical ka number aayega.
00:15:36kya yeh poora batch doctor ban sakta hai, ek bhi bacha na chote aisa ho sakta hai, to
00:16:06yeh koshes karte hain, saal bhar lagte hain, sabhi bachche, matlab poora ka poora batch
00:16:11hai, socho ek saath college pohuch rahe hain, kaisa lage hai na, sochte hain aap aisa, socha
00:16:17kariye.
00:16:18To pyaare bachcho, aaj hum sabke saamne average rate ka ek simple sa formula aachuka hai,
00:16:25C2 minus C1 upon T2 minus T1, minus plus mein dhyaan rakhiyega, rate negative ho sakta
00:16:30hai, itna concept hai, wo azaar tarike se guma sakta hai, agar aap ise samajh paye
00:16:33toh chalte hain average rate of product mein, average rate of product, ek baar reactant
00:16:39ka, ek baar product ka, ek baar notes shandaar banayiye, notes baniha banayenge, toh padhne
00:16:44mein maja aayega, aisa mat likhye ki kisi aur ko padhna hai, aapko hi padhna, achche
00:16:49notes banayiye, achche se likhye, likh liya hoga, likhiyega next point, average rate
00:16:55of product, average rate of product, ab sab kuch aap hi bataoge, samajh gaya ho, bas copy
00:17:00mein likhne ki formality kar le, average rate of product, theek hai, kya koi bachcha
00:17:06mujhe formula bata sakta hai, rate ka formula, kya minus sign ke saath ki without minus,
00:17:11kya baat hai, likhte chalo, delta C by delta T, delta P by delta T, au graph bana lete
00:17:17hain, jaisa maine kaha, reactant ke bhi na jaane kitne graph ho sakte hain, waise hi
00:17:22product ke bhi na jaane kitne graph ho sakte hain, please rat mat lena, sir ne ek banaya
00:17:26toh ek hi hoga, main keval ek general case bana raha hoon, jaise jaise hum chapter mein
00:17:30andar ghusenge, jab order wagayra aayega, toh har kisi ka apna tariqa hoga, abhi general
00:17:36case bana raha hoon, aur main graph bana raha hoon, concentration versus time mein, agar
00:17:42main product ka graph bana raha hoon, toh product samay ke saath badhega, toh graph
00:17:46maine kuch aisa bana diya, T barabar 0 pe concentration 0 hai, jaise jaise samay bitega,
00:17:52toh waise waise concentration badhta jaayega, maine ispar bhi ek interval chuna hain, time
00:17:59T1 aur T2 ko chuna hain, T1 pe concentration C1 hoga, T2 pe concentration C2 hoga, aaj
00:18:10value hum apne mann se likh rahe hain, numerical mein yeh pehle se diya hoga, aapko kuch se
00:18:15T1, T2, C1, C2 pehle channa hoga, agar aaj hum rate nikalna chahate hain, toh so simple,
00:18:23C2 minus C1 upon T2 minus T1, kar loge na bhai, exemplar ka behitreen sawal hai, discuss
00:18:32karenge, jab numerical mein aayenge, toh rate aachuka hai, C2 minus C1 upon T2 minus T1,
00:18:38average rate of reactant hogaya, average rate of product bhi, numerical aayega, toh formula
00:18:43lagayenge, graph ka sawal aayega, toh aise karenge, chalega, aap chalte hain, average
00:18:48rate of reaction ki tarah, uske pehle mujhe aap sabka dhyan chahiye, ek chota sa, main
00:18:53rough work kar raha hu, aur aap se common sense ka sawal kochna chahata hu, yaar apni
00:18:58kai ki factory thi, usme kya bana rahe the, roj kitna banate the, market se demand kitni
00:19:06aayi the, aur appan ko samajhna tha ki raftar ko kaise badhaye, maine ka raftar ko kaise
00:19:11badhaye, kaise ghataye, uske pehle samajh lo raftar hota kya hai, toh aaj hum raftar
00:19:15ko samajh rahe, raftar ke prakaar ko samajh rahe, raftar ke type ko samajh rahe, right,
00:19:19bolo bhai, ek common sense ka sawal poochta hu, main aapke, achha ROD, ROA bol diya tha,
00:19:25main aapke saamne likh doon ROD, toh har bachcha padh lega, kaise padh hoge bolo, rate of,
00:19:30Hindi bolo, achha rate of discipline, Hindi bolo rate of discipline, arey jaane ki raftar
00:19:38jara Hindi bolna, jaane ki raftar, kaun hai jo ja raha hai, reactant, ek hoga nitrogen
00:19:44aur ek hoga hydrogen, main aap sabka dhyan chahunga board pe, rough work kar raho, comp
00:19:49hi hum nahi likhna, rate of discipline of nitrogen, sir ne bola, 5 mole per second,
00:19:53kitno ko iska feel aa raha hai, padho unit, 5 mole, kya matlab hai iska, ek second me,
00:20:02kiske, kaha jaa raha hai, rodat banane, achha jab nitrogen jaa raha tha, toh hydrogen
00:20:09baitha tha, kya baat kar rahe hai, wo bhi jaa raha tha, ye kaise pata chala, sir akela
00:20:16nitrogen, thodi ammonia banayega sir, toh bachchu ki baat hai sir, ammonia banane ke
00:20:20liye ye bhi chahiye aur, arey haan ya na, iske ek second me kitne mole gaye, ye sachme
00:20:27gaye ka on an average gaye, arey bolo na, jab bhi speed aise likhte ho, wahi toh average
00:20:32hai, haan ya na, toh jab iske ek second me 5 gaye, toh jara common sense laga ke batao
00:20:37hydrogen kitne gaye, kaise pata chala, achha, isko isometry dekh ke bata diya aapne, haan
00:20:43ya na, mai kuch bolunga, sahi lage toh haan kehna, galat lage toh na, agar ek mole jayega
00:20:49toh, toh, agar 10 mole jayega toh, agar 5 mole jayega toh, arey 5 ka duguna 10 hoga
00:20:59na yaar, haan ya na, yaani agar mujhe kisi ki raftaar pata hai toh kisi doosre ki raftaar
00:21:05bhi batayi ja sakti hai, sara khel kiska hone wala isometry ka, agar mai aapke saamne likhtu
00:21:10rate of disappearance of hydrogen 15 ko yaapati, mai aapke saamne likhtu rate of appearance
00:21:15of ammonia 10 ko yaapati, mera sawal aap sabse hai mere pyare bachchon, mera sawal
00:21:20aap sabse hai, batao hydrogen ki raftaar kya hai, nitrogen ki, bolo na 5 mole per second,
00:21:29ammonia ki, chalega, batao poori reaction ki raftaar kya hai, ek minute, ek minute,
00:21:39jab maine reaction bola, toh aapne kya socha, sirne nitrogen ka poocha hai, ki hydrogen
00:21:44ka poocha hai, ki ammonia ka poocha hai, ammonia reaction hai, ki nitrogen reaction hai, ki
00:21:52hydrogen reaction hai, ki teeno mil ke reaction hai, toh sirne jab reaction ka raftaar poocha,
00:21:58toh nitrogen ka raftaar bataoge, ki hydrogen ka bataoge, ki ammonia ka bataoge, pehle sabdon
00:22:04samjho, usse dimaag mein process hone do, aur phir jawab do, galat jawab se ghabrao
00:22:08nahi, yehi seekhne ka naam hai, aapki creativity bhi develop karunga, aapki logic develop karunga,
00:22:13sochne ka tarika bhi develop karunga, par jawab do uske liye, toh batao inme se kisi
00:22:18ek ki raftaar, magar mai kehdu wo reaction ki raftaar hai, toh wo sahi hoga ki galat,
00:22:23galat, yeh toh wahi wali baat hai na sir, ki jo reaction ki raftaar hogi, wo kahin
00:22:28yeh kahin har reactant mein hogi, wo kahin yeh kahin har product mein hogi, ek gadi
00:22:33hai, sarkari gadi, kaisi hai, maan lo, uski raftaar hai 20 km paraar, aisi chalti hai
00:22:40wo, dheere dheere hai na, bhari dupahri mein, yes or no, arre yes or no, toh sarkari gadi
00:22:46hai, uski raftaar hai 20 km, maan lo, toh mera sawal yeh hai, andar baithe jo sawari
00:22:52hai, unki raftaar kya hai, wo toh baithe hai, wo toh baithe hai, magar gadi mein baithe
00:23:00hai na sir, arre agar gadi mein baithe hai, toh unki raftaar ki kitni hogi 20 km, am
00:23:05maan lo, uski gadi mein do bachche, maan lo, ab bachche shanti toh rehte hai nahi, arre
00:23:09haan ya na, bole aao race lagate hai, kya karte hai, ab wo jo bachche shanti se baithe
00:23:13the, unki speed kitni thi 20 km, lekin jab race lagane lage, toh unki speed ab 20 hai
00:23:1920 se zyada hai, bolo na yaar, yeh common sense aa raha hai kya, matlab jo sawari gadi
00:23:25mein hai, un sab ki raftaar wo hai, jo gadi ki raftaar hai, lekin agar wo andar daudane
00:23:30lage, toh unki raftaar mein gadi ki raftaar zyada bhi ho sakti hai, bolo bhai, yaani aisa
00:23:36samjho ki reaction ek gadi hai, reaction ek, aur reactant aur product usme baitha, sawari
00:23:42hai, arre haan ya na, toh mera sawal aap sab se yeh hai, ki agar iski raftaar, iski raftaar,
00:23:47iski raftaar, ko mein reaction ki raftaar keh du, wo kehna sahi hoga, galat, toh jo
00:23:52reaction ki raftaar hoga, wo isme bhi hona chahiye, isme bhi hona chahiye, aur isme bhi
00:23:57hona, aisa kya hai jo sab mein, aisa kya hai jo sab mein, bolo na yaar, wo kaunsa number
00:24:05hai jo sab mein, jo 10 mol per second ja raha, wo 5 nahi ja raha, jo 15 ja raha, wo 5 nahi
00:24:10ja raha, aur jo 5 ja raha, wo toh 5 ja hi raha, yaani jab hum reaction ki raftaar batayenge,
00:24:15toh kuch aisa batana hoga, jo sabhi reactant mein hai sabhi, bolo na yaar, yeh sirf chhote
00:24:20se example samjhata hoon, sabka dhyan mujhe board pe chahiye, koi likhega nahi abhi, right,
00:24:23abhi kuch concept chal raha, aur concept hai toh pehle samajhna hai, baad mein likhna hai,
00:24:27right, aajao jara sab log board pe, arre rukho, hum kis ki raftaar nikaal raha hai, product
00:24:32ki toh nikaal chuke, reaction ki raftaar nikaal raha hai, toh copy mein heading daal ke board
00:24:36mein aayega, average rate of reaction, copy mein heading daal ke board mein aayega, average
00:24:42rate of reaction, average rate of reaction, hum reaction ka average rate nikaalne wale
00:24:48hai, usko samjhane ke liye, aapke saamne, ek example likh raha hoon, 2a plus b se bana
00:24:563c plus 4d, 2a plus b se bana 3c plus 4d, sab log board pe aaye, aage, jawab dena hai,
00:25:05aache hi bataao, ismein reactant kaun hai, 2a hai ki a hai, agar main aapke saamne ammonia
00:25:14likhta hoon, ismein reactant hydrogen hai ki 3 hydrogen hai, reactant toh hydrogen hai
00:25:18na yaha, 3 toh bas yeh batane ka tarika hai, kiska 1 jayega toh 3 jayega, arre hello, ismein
00:25:24reactant kaun hai, a aur, product kaun hai, maine t barabar 0 pe, a k le liye 2 mol maan
00:25:31lo, b ke le liye 1 mol maan lo, volume of container le liye 1 litre maan lo, toh jo
00:25:38mol hai wahi consultation hoga, consultation kya hota hai, yeh toh consultation ke maine,
00:25:45magar jab bhi humare syllabus me consultation bola, wo molarity maana, jisne na padhne kasam
00:25:51khayi hai, wo bhi padh sakta hai, bas saath me bolta chale, seekhta chale, koshis toh
00:25:54karo na yaar, hai na, thoda karoge usko itna badiyaan bhagoge ki maja aayega, toh thoda
00:25:59sa suro me, kisi ka level yaha hai, kisi ki level yaha hai, sabko pehle equal me laana
00:26:03hai, main har bachche se keh rahe ho, please boliye, right, agar main keh do iske 2 mol
00:26:08hai aur iske, aur volume ko main divide kar do toh wahi consultation hai, volume kitna
00:26:13liya hai, 1 litre, ab jayse jayse reaction suru hogi, jayse jayse reaction, toh batao
00:26:18yeh ghatega ki badhega, aur wo, t barabar 0 pe yeh kitna tha, yeh ghatega toh kar do
00:26:26minus, ghatega toh kar do minus, badhega toh plus plus, yaha lik do x, yaha lik do
00:26:32x, yaha lik do x, yaha lik do x, roko, ek line bolta ho, samajh mein toh haan kahna,
00:26:37agar iska 1 mol jayega toh iska 1 jayega, agar iska 2 jayega toh, iska 4 jayega toh, iska
00:26:472 x jayega toh iska, phir se, iska 4 jayega toh iska, iska 10 jayega toh, iska 20 jayega
00:26:57toh, iska 100 jayega toh, toh iska 2 x jayega toh iska, 2 x ka aadha x hi hoga na yaar,
00:27:04yaha ulta, iska x jayega toh iska, toh jo ghatega minus minus badhega plus plus, phir
00:27:10laga doh isko, 2, 1, 3, 4, 1 ko haan likte, aapko dikhane lik raha ho, chalega, ek minute,
00:27:20yeh kaunsa consultation hai, initial, aur yeh, yeh, kya main sab ke rate nikal lunga,
00:27:29kya sab ko rate ka form laata hai, toh main sabse pehle lik raha hoon, rate of disappearance
00:27:34of a product, reactant hai ki product, reactant hai ki product, reactant hai ki product,
00:27:41toh kya main reactant ka formula laga lunga, kaise lagaunga, minus delta c by delta t,
00:27:46haan ya na, main ise solve kar raha hoon pyare bachchon, batana kuch gadbad ho toh, minus
00:27:512 minus 2 x minus 2 by t, bolo chalega, nahi chalega, bolo bhai, nahi chalega, final, minus
00:28:01initial, minus sign na yaar, kuch cancel ho raha kya, 2 se 2 cancel ho, minus minus
00:28:09plus ho, kitna bachega, 2 x by t, kya mere pyare bachchon aap sabne ek hi ravtaar ko
00:28:15nikal liya, jab ek hi ravtaar aayi toh kitni aayi, 2 x by t, ab aise bina solve kiye sabhi
00:28:20bachche mujhe bhi ki ravtaar batayenge, try karo, x by t, pakka, aise sabhi bachche mujhe
00:28:31c ke aane ki ravtaar batayenge, c ke aane ki ravtaar, 3 x bhai, haan ya na, aise sabhi
00:28:38bachche mujhe d ke aane ki ravtaar batayenge, 4 x bhai, bolo done, aapne kuch zir pehle
00:28:455, 15, 10 bola tha usi ko main x ke formulae gaha haan ya na, ye kiski ravtaar hai, bolo
00:28:52rate of disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:28:59disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:04disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:07disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:10disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:13disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:15disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:17disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:19disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:21disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:23disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:25disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:27disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:29disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:31disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:33disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:35disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:37disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:39disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:41disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:43disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:45disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
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00:29:53disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:29:55disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
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00:29:59disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
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00:30:03disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
00:30:05disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
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00:30:49disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
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00:36:45disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
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00:37:45disappearance of A, rate of disappearance of A, rate of disappearance of A, rate of
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