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General IOlutionthc alten dilerental cauaaon"8xXx)Ghetne arolsc intenyo#hlch tre gcncral Aalumiondenncd MThink Abct Mle impllcatlonsanyGinquid Jalnts ErilyDir answer usulo Inlenyol nctatlons69,00 )Datormcnciner there art jny [rjnsicoltcmmyLhe deneiu SJlulon Enter thc transicnt termycommo-scpdratcoItherc dnc nonc cn(crNONE:NONE

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Answers

At least $25 \mu \mathrm{g}$ of tetrahydrocannabinol $(\mathrm{THC}),$ the active ingredient in marijuana, is required to produce intoxication. The molecular formula of $\mathrm{THC}$ is $\mathrm{C}_{21} \mathrm{H}_{30} \mathrm{O}_{2}$. How many moles of THC does this 25 \mug represent? How many molecules? (b) Caffeine, a stimulant found in coffee, contains $49.5 \% \mathrm{C}$, $5.15 \% \mathrm{H}, 28.9 \% \mathrm{~N},$ and $16.5 \% \mathrm{O}$ by mass and has a molar mass of $195 \mathrm{~g} / \mathrm{mol}$. (c) Monosodium glutamate (MSG), a flavor enhancer in certain foods, contains $35.51 \% \mathrm{C}, 4.77 \% \mathrm{H}, 37.85 \% \mathrm{O},$ $8.29 \% \mathrm{~N},$ and $13.60 \% \mathrm{Na},$ and has a molar mass of $169 \mathrm{~g} / \mathrm{mol}$

Hello this does today. We're going to be um disgusting or answering this question regards to this. Um C20 fatty acid that's found in peanut butter. I mean peanuts and fish oil that's called. Um Are yeah art rhe it acid. Sorry I butchered that word. And what they want us to know is how many cycles of beta oxidized um oxidation are needed um for the completion of the oxidation of oh Iraq Chittick um acid. Yeah. Keep butchering that word a lot. So how many you would need and you would need um nine. Yeah. So You will need nine cycles returns um uh beta oxidation. And then the next question they ask is um is how many a subtle ceo A are produced from the complete oxidation of a Iraq dick acid. Um How many are produced? Um It would produce? Uh huh. Are you 10? Yeah. Mhm. You can are produced. Mhm. So now since we got our numbers down, let us do the calculation and we're gonna go based off of the information that we have on top. So based off of that For the a subtle ceo a we're going to go by what we have on top which where it produced 10 So 10 times 10 would be 100. And then for the N. A. T. H. We're gonna go by The beta oxidation which is nine. So let me get my calculations calculator and we're going to calculate that. Yeah So nine times 2.5. You okay 22 points add more. 22.5. And then for the F. A. D. H. two. same thing gonna go by nine. We're gonna times that by 1.5 and you'll get 13 oh 13.5. Mhm. So now we got that we're going to take in the total which is negative and plus 100 plus 22.5 plus 13.5 where you'll get 130 for a. T. P. S. And, yep, that's how you do it. I hope you found this very helpful. And please feel free to look at other content from other creators that go over and explain whatever chapter questions you need extra help with. Okay, bye.

Try to look at this question. It is given that among 143 subjects with positive test results, So let over here, let this be positive people who are actually positive like this with people who are actually negative. And let this be the test side. So who have tested positive? And these are the people who have tested negative. All right, So it is given that among 143 subjects with positive test results with positive test results, which means that the some of this column is 1 43. Yeah, right. In this case, Okay. 24 are false. Positive results. 24 are false. Positive results. Which means this is 24. They're actually negative by the tested positive. So what is the remaining one? 43 minus 24. That it's 119 after that, Among 157 negative results. This is 1 57 among 1 57 negative results. There are three false negative results. There are three false negatives, false negatives. What is the meaning of false negatives? That means that they are actually positive, but they have tested negative. So this is three. This is 1 53. Okay. How many subjects are included in the study? How many? Some things are included in the study 300. How do I find this? The addition of these two 300 subjects are included in the study. What is the next question? The next one is how many subjects had two negative result. How many subjects to negative result 1 53 1 53. After that. What is the probability that a randomly selected subject had a true negative result? The probability that the randomly selected subject had a true negative result. It will be 1 53 upon 300 1 53 divided by 300. Now, what is going to be the answer? In this case, we need to use a calculator. And so just give me a moment. This is turning out to be 0.513 By the way, what we're doing wrong is 1 57 minus three is 1 54. So this is 1 54. So this answer is 1 54. This answer is 1 54 and hence this is also 1 54. Now, let's try to calculate this 1. 54.300 0.513 This answer is zero point 513 These are my ancestors. Thats all I needed, right? Yeah, these are my answers.

So in this problem, we're given that we have a twenty five microgram off Tetra Hydro Can a banal are being C, which is an active ingredient in marijuana, and this is recorded produce intoxication. So this is the mass ofthe DSC, which is required to produce intoxication, and the molecule or formal off its has given us citrine too on his thirty or two. In first part of the question, you have to find out how many malls off T. H. C does this trait of five microgram represent and then we have to find out how many molecules subject etc. Does. This, Trent, if I'm acronym represents so what we have to do first is simply since we have to find out the number of malls off this mass off, etc. First you have to find out the Moler, massive t etc. That means the molar misses the mass contained in one mall. That means from there we can find out how many months is contained in strange if I microgram mess. So from this formula, we can find out on the Moler mass off the sea. My children, since we have carbon carbon, has a more mass of twelve point Oh Won, and we have twenty one carbon here when multiplied by twenty one. Then we have Metro's on which has more elements of one point or eat, and we have her t I'd risen sun multiplied by eight thirty, and then we have to walk season. That means sixteen is the monuments of oxygen and we have to oxygen multiplied by two. And this will give us a value off three one four point four five I, um So this is the two and four point four five gram per mall, and this is the molar mass off. Let's see, That means one more lofty is he will contain through one four point four five gram and then so we can write three one four point four five gram is contained in one multi it. See, that means twenty five microgram, or twenty five times ten to the minus six gram is contained in, um, twenty five times ten to the four minus six over two on four point four five Graham this a gram per mole and it will give us value off seven point nine five times intended to par minus eight more so This is the number of malls that going to find microgram off dates represent. And then we have to find out how many molecules is contained in twenty five macron. And since we have calculated the number of morals, so twenty five microgram TOC, then we know that one mole off any substance contains six point or co times ten to the twenty three molecules. That means from there we can find out how many molecules is contending this much more are twenty five micrograms of hearsay, so one more it's sea contains six point or two times ten to the port twenty three molecules, therefore seven point nine five times during the one minus eight. Here's the contents. Six point oto time stint Report twenty three Time's thiss and this will give us value off for planned seven nine I'm standing. There were sixteen molecules, so this is the number of molecules containing twenty five microgram off, etc.

This question now you just It says if one off the test subjects is randomly selected, find the probability that the subject did not use marijuana. Find the probability of the subject that he did not use marijuana. These are the total subjects who did not actually use marijuana. These are truly negative. These are the ones who are negative and who have also tested negative. But these are the ones who are negative but who have falsely been tested positive. So 24 plus 1 54 is 1 78 1 78 by 300. This is the probability that we want. And do we think the result affect the general population rate off subjects who do not use marijuana? I think the result is somewhat low for people who do not use marijuana. By the way, this value turns out to be 0.59 something zero point Faith Night. And this is my answer


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