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irga5000 [103]
3 years ago
7

Complete this sentence. The solubility of a sample will ____________ when the size of the sample increases.

Chemistry
2 answers:
Sophie [7]3 years ago
6 0
<span>The Answer is option B.
The solubility of a sample will decrease when the size of the sample increases.
</span><span>When the Size of sample is bigger, it means there is more particles that make up that sample so the amount of solvent to dissolve the sample will also be in the greater amount. Thus, when the sample size increases the solubility decrease. We can also say that size of sample and solubility are inversely proportional to each other.</span>
saveliy_v [14]3 years ago
4 0

Answer: Option (B) is the correct answer.

Explanation:

The solubility of a sample will decrease when the size of the sample increases.

On increasing the size of sample, the surface area will increase which will result in large number of molecules. Therefore, the amount of solute particles will increase whereas the amount of solvent is the same.

Hence, to dissolve these large number of molecules more solvent is required that is the solubility will decrease.

Thus, we can conclude that larger is the size of molecule, less will be its solubility.

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Question 2
azamat

Answer:

C

Explanation:

For A, 2Al(OH)3 contains 6H on the left side of the equation but only has 3H on the right side of the equation, thus its not balanced

For B, there is 2(Al2), which is 4, on the left side of the equation but only 2Al on the right side of the equation, so it is not balanced.

For D, theres a total of 6 H on the left side of the equation as there is (OH)3 and 3H, but none of the right side, so its not balanced.

C is the correct answer as

on the left side of the equation:

2 Al(OH)3 has 2Al, 6O, and 6H

on the right side of the equation:

Al2O3 has 2Al and 3O

3 H20 has 3H and 6O

this makes a total of 2Al, 6H and 6O, which is equal to the number of each element in the left side, thus it is balanced and is the right answer.

In the future for these type of qns, you want to add up the number of each element on the left, then the ride, and see compare the numver of element they have. if the number of all the elements on both sides are the same, the equation is balanced.

8 0
3 years ago
K+Cu2SO4<br> What type of reaction will happen?
TiliK225 [7]
Copper (II) Sulfate, if you mean nomenclature 
5 0
3 years ago
Why is air along with microorganisms bubbled into the sewage treatment tanks​
tresset_1 [31]

So that the mircrobes present could get help to perform anariobïc repiration (respiration without oxygen).....as it helpfull for decomposing the sewage waste ...also to prepare sideproduct called metane gas

5 0
3 years ago
The enzyme beta-galactosidase acts on lactose to form galactose. In turn, the presence of galactose leads to expression of the e
san4es73 [151]

Answer:

an inducer

Explanation:

An Enzyme is a protein molecule found in cells which work as biological catalysts.

They speed up chemical reactions in the body, but do not get used up in the process, and can be used over and over again.

In chemistry inducers are molecules that regulates gene expression, and can bind to protein repressors or activators.

Lactose here acts as an inducer because it inactivates the repressor of an operon.

4 0
3 years ago
How many calories are contained in one tablespoon of coconut oil, which has 85.2 g of fat?
kipiarov [429]
45.2 g coconut oil containing
4 0
3 years ago
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