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JuctlionQuaslon 1J0/ ?0Sold corbon toact8Vw KOlueppovelonmiKyurerjon [email protected] miihnmluaMacBock Ar]Aen...

Question

JuctlionQuaslon 1J0/ ?0Sold corbon toact8Vw KOlueppovelonmiKyurerjon [email protected] miihnmluaMacBock Ar]Aen

Juctlion Quaslon 1J0/ ?0 Sold corbon toact8 Vw KOlue ppov elonmi Kyurerjon CUu @atom miihnmlua MacBock Ar] Aen



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ATOM ECONOMY: One type of reaction used in the chemical industry is a substitution, where one atom or group is exchanged for another. In this reaction, an alcohol, 1-butanol, is transformed into 1 -bromobutane by substituting Br for the -OH group in the presence of sulfuric acid. $$\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{OH}+\mathrm{NaBr}+\mathrm{H}_{2} \mathrm{SO}_{4} \rightarrow \mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br}+\mathrm{NaHSO}_{4}+\mathrm{H}_{2} \mathrm{O}$$ Calculate the \% atom economy for the desired product, $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{CH}_{2} \mathrm{Br}$.

Okay. Today, I'll be going over question Number 45. Which talks about converting grams too. Adams. And rather, three options. Which one has the girls number? So first off have premiums, which is 27 point two. Grounds were coming, Teoh. Whoa. What brings you up to two times change to giving you three problem for times 10 to 23rd. Adams for to 18 year, you have 65.1 g will continue. Very one rule we have for each seven money, ground terms. It's full general to two terms to to the 23rd one giving you 6.4 times two into 20 but six. And your last one is Nancy her to Congress, then five ground to live. Everyone move 207 for 2 g wants Dunbar. Our first number. Green you for price turns to the 23. Now offering a calculation to you Look from which number is toe against. Which is gonna be this one. This number is so see what? Continue. So your answer will be

I think the question left for them move towards the answer. So let's see here that sense the buyer ah risk and you would try. We are for. Oh yes. They believe that jones says I catching yes yeah. One that. Yeah right. But reviewing my really just there for of God for I'm long qualities. Yes. We equal to B one one line. Yes. You too. Yeah, that's true too. So 31 and we do for only lemon. So, um, however you want mm uh Way too. God will accel yeah. When three is um uh huh. Wait too. So here is the full definition of that question. I hope you better understand the full definition and the formula. So for any of other curious and doubts and therefore help. Thank

So while seeing the question, let's for them move to the answer. So let's see here that since the buyers are risk neutral. Therefore if they believe that chance of getting lemons, I then the private condemn are willing to pay for a car for unknown quality is be equal to The one bracket 1 month later, Crack it closed, plus p. two tita. So P. Is greater than we won. And we do only lemon sword when okay, we want is greater than P. And P. Is greater than we too. So no car bill exhale when he is smaller than we will. And we do so here the full definition that since the buyers are risk neutral, therefore if they believe that chance says of getting lemon is I then the price that consumer willing to pay for a car for unknown quality is be equal to P one bracket, one minus kita bracket close plus peer to to to. So P. Is greater than we want and we too. So only lemon sold when we one is greater than P. And P. Is greater than we do so no car will at sale when P. Is smaller than we want. And we do so I hope you better understand for definition. So for any further curious and doubts and therefore help so thank you

So in this problem, we're given the mass of a sample and from that master want to determine the number of atoms. And so we'll start with Letter A. In this sample, we have 14.955 grams of chromium CR, and so the first thing we'll do is divide by chromium is Mueller Mass, which is 51.996 grams per mole and that will convert our grams into moles. And then we just need to convert moles in tow. Adams by multiplying by God, Rose numbers 6.22 times 10 to the 23rd and that'll be Adam's. Permal and Simone's will cancel, and therefore answer will be 1.732 times 10 to the 23rd Adams of chromium. And now we do the same for the rest of these samples. So four letter B. We have 39.733 grams off sulfur. We divide by the Mueller Massive Sulphur, which is 32.6 grams Permal and then multiply by avocados. Number 6.22 times 10 to the 23rd Adams Terminal. And that gives us that we have 7.463 times 10 to the 23rd Adams of sulfur now moving on the letter C. In this case, we have 12.899 grams of plutonium. Petey. We divide like put by plutonium similar Mass. 1 95.84 grams per mole and then multiply by avocados. Numbers. 6.22 times 10 to the 23rd Adam's Permal. And that gives us that we have 3.982 times 10 to the 22nd Adams of Plutonium. And now, finally, for letter D. In this case, we have 97 0.552 grams of tin sn. We divide by tens Mueller, Mass. Which is 118.71 grams per mall and then multiply by Abu God, rose number 6.22 times 10 to the 23rd Adam's Permal. And that gives us that we have 4.9 for nine times, 10 to the 23rd Adams of Tin, and those are our final answers


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