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Experiment 42 Rate Studies on the Decomposition of Aspirin Representative DataPart A Part A Part A Tube 1 Tube 1 Tube 1 1. Mass of aspirin in tube 0.0604 0.0398 0.0...

Question

Experiment 42 Rate Studies on the Decomposition of Aspirin Representative DataPart A Part A Part A Tube 1 Tube 1 Tube 1 1. Mass of aspirin in tube 0.0604 0.0398 0.0635 2. Absorbance, Abs. of solution 0.453 0.257 0.366 [Sal] in reaction mixture Use equation: Absorbance = 235 [Sal] At (Read: Part A step 7 and Part C) 5.5 min 5.5 min 11 min 4. Correction: (Rate in Tube 1) (Rate in Tube 2) Correction: ([Asp] in Tube 1) / ([Asp] in Tube 2)

Experiment 42 Rate Studies on the Decomposition of Aspirin Representative Data Part A Part A Part A Tube 1 Tube 1 Tube 1 1. Mass of aspirin in tube 0.0604 0.0398 0.0635 2. Absorbance, Abs. of solution 0.453 0.257 0.366 [Sal] in reaction mixture Use equation: Absorbance = 235 [Sal] At (Read: Part A step 7 and Part C) 5.5 min 5.5 min 11 min 4. Correction: (Rate in Tube 1) (Rate in Tube 2) Correction: ([Asp] in Tube 1) / ([Asp] in Tube 2)



Answers

Medicine. The concentration $C$ of aspirin in the bloodstream $t$ hours after consumption is given by $C(t)=\frac{t}{t^{2}+40}$ a. What is the concentration in the bloodstream after $\frac{1}{2}$ hour? b. What is the concentration in the bloodstream after 1 hour? c. What is the concentration in the bloodstream after 4 hours? d. Find the horizontal asymptote for $C(t) .$ What do you expect the concentration to be after several days?

Let's determine that the meeting reacting theoretical. You'll of aspirin and percent yield starting from three milliliters of acetic anhydride to see for each six go three and 1.25 grams of the, uh, salicylic acid si seven age, 603 We're first going to find the limiting reactant by converting both of these two moles of aspirin. So, uh, first will play the density here. 1.8 grams, see for 603 per militar, see for each 603 molar mass 102.9 grams of C four h, 603 for one more and start geometry. One more see for each 603 to 1 more of aspirin, which is C nine h 804 and this would give us 0.317 moles of the C nine h h 04 Now let's do this for the salicylic acid. Uh Moeller Masters 138.12 grams c. Seven h, 603 one more story geometry. One more si 78603 to one more of the C nine h 84 and this works out to 0.905 moles of the C nine h 84 this one and see Lester amount. Therefore, the limiting reactant based on the lesser amount of aspirin produced is the sale of Cilic acid H seven Cease H 603 Now let's find the um, theoretical yield of the, um aspirin C nine h eight or four, starting from 40.905 Moles c nine h 84 One more has a mass of 180 What. One grams? And this works out to theoretical yield of 1.63 grams of C nine h eight 04 So there's a theoretical yield, and then the percent yield would be the actual amount given in the question. The 1.22 grams divided by the 1.36 grams is a theoretical yield and sold them for a percent yield. We find that it's equal to 74.8%

For this custom, we can calculate the moves off the most off these acids, using the most of the assassin he using using the the density, the density on his wall in we can calculate his messes must divided by a smaller mess is how many most off this reactant on DDE the to calculate home animal to the second reaction to a use, Um, it's must divided by a small room ss. Well, according to the violence to comic precaution, we can see the tour, the ratio of the two reactions. It's one over well, so in this case, we can see the second reaction to this well is limiting. So because for this balance to come Cory Reaction, we can see the ratio of the product. And the second reaction is well over one. So the mass of the products equals to the most. Off the product times is Muller mess. We can calculate its 1.263 grams, so the person to yout is 74.8%

Question. Number 91 has been asking integration by the equation. C 48643 on the C seven at 600 You mean see united for over Lyon? It's eight or four. Let's see to H four or two. This is acidic and Heidrick, See as you walk on. This is salicylic acid. Certainly, Silicon said on the product is has pretty. This is a technicality. In this synthesis, I said, You can hide red with a density of 1.8 John Parimal five million off a silicon hydrating, an entity 1.0 age and 2.8 grandma salicylic acid. He's taken 2.0 media. On completion of the reaction, the amount off spring isolated is 2.1 g, 2.1 g. A student was isolated. So this is actually here This Now we have to determine the limiting reactant theoretical yield on the person is use of the reaction. First, let us see which is a limiting, reacting to see that you mean trying to find out the and Mondo I think and hatred anyway for the conversion off. Why Gramps? Higher melt off a sitting and hydrate. That is when that we will first find out, do you more almost immediately reacted Pacific and hightail. 102.1 salicylic acid 1. 38.1 and have spending money 2.1 23.2. So that is we have the morning losses. No, the months of Pacific and Hillary's five into Why you in Duke? 1.8 Yes, No. 102.1 g needs 1 38.1 Grandma Salicylic acid. So one grandma, Pacific and heart. It needs one ground. Is he doing news? 1 38 or any money before one or two points? 1 g Most Alice legacy. So five into or not 1.8 Graham needs into files in the 1.8 This is the theoretical requirement off this acidic inheritor. Now that will work out to be seven point three times 7.3 g. Sorceress, You guys, this is a complete consumption, but we have only 2.8 g of salicylic acid. That means salicylic acid is a limiting Create. This is the limiting rate. Once you have found the limiting creative We will find out how much off aspirin will be formed. The trump the limiting created for dead our basis of calculation is 1 38.1 Graham, seriously, Gossip producers 1 80 point to grandma as we so 1 g will produce 1 80 going to a born 1 38.1 graham as police and hence 2.0 8 g, 2.8 g. Absolutely like acid. We can create this multiplied by you want to read? This works on to me 2.71 g off. Thanks for you. So this is the theoretical lead the product found is 2.1 g actual properties. Actually, these 2.1 club which is between indeed the skin itself So the person is killed equals 2101 in 200 upon 2.71 that equals 74.1%


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