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Pepsi [2]
3 years ago
8

True or False: It is OK to use wet glassware for the aspirin synthesis without potentially affecting your yield

Chemistry
1 answer:
vesna_86 [32]3 years ago
5 0

Answer:

False

Explanation:

Laboratory synthesis of aspirin is done by the acetylation of salicylic acid with the help of acetic anhydride .

As , the  acid anhydride is very sensitive to moisture , as it can hydrolyze into two molecules of  acids,

Hence , the reaction involving acid anhydride  are conducted in anhydrous solvents .

Hence ,

if water is  present in the glassware then , some of the acetic anhydride is wasted , Which in turns reduces the yield than that expected .

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In a given year, which would result in the greatest increase in population size?
Serhud [2]

Answer:

b because no death and no emigration

Explanation:

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4 years ago
Can someone help me please :)
Fudgin [204]
I think it’s the third option but I’m not entirely sure
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For case 1, what happens when an electron jumps from energy level 1 to energy level 3 in an atom?
BaLLatris [955]

Answer:

Case 1 (energy level): In an atom, an electron jumps from energy level 1 to energy level 3. ... The energy will increase.

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4 0
3 years ago
4. How many moles are in 54.0 grams of Silver?
sineoko [7]
4. Molar mass of silver m Ms~=108 g/mol
Hence there are n=54*(1/108)=0.5 mols of Silver in 54 grams of Silver.

5. 6.3*(108/1)=680.4g

6. Avogadro's number : Na~=6.022×10^23<span>. </span>
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8. 1.93*10^24*(1/(6.022×10^23))=3.2 moles KF

9. Molar mass of Silicon : Ms=28 g/mol
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7 0
3 years ago
Heating up a reaction increases the speed of a reaction until the ____
Vesnalui [34]

Heating up a reaction increases the speed of a reaction until the enzyme denatures.

<h3>What is enzyme denaturation?</h3>

Enzyme denaturation occurs when a biological protein catalyst does not work anymore due to a high temperature that alters its tridimensional conformation.

This cellular process (denaturation) is well known to be one of the main causes of enzymatic failure.

In conclusion, heating up a reaction increases the speed of a reaction until the enzyme denatures.

Learn more about enzymes here:

brainly.com/question/1596855

#SPJ12

5 0
2 years ago
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