Chemistry, 26.06.2019 18:30 hollycoleman13

Ill give brianlist what change would increase the amount of gas able to be dissolved in a given amount of liquid water? (2 points) increasing temperature increasing pressure increasing surface area increasing rate of stirring

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Answer from: nmknightp02

increasing pressure

Explanation:

According to Henry's Law the amount of gas that can be dissolved in liquid water increase with the increase in pressure.

Henry’s law is given by the following equation,

C = kP

where C is the concentration of the dissolved gas, k is a proportionality constant and P is the pressure of the gas.

Thus the solubility of the gas is directly proportional to the pressure of the gas.

Answer from: jordonlewis

Incresing Pressure will increases the amount of gas dissolved !!

so your answer is B !!

Extra : Cool example is Pepsi or coke !! CO2 is dissolved by high pressure

Answer from: Quest

answer : (a) volume of the gas = 8.67 × $10^{-3}$ l

(b) second virial coefficient b = -1.21226 l/mole

solution : given, t = 300k

p = 20atm

z = 0.86

n = 8.2 mmoles = 8.2 × $10^{-3}$ moles

r = 0.082 l atm/k/mol

find, (a) volume of gas and (b) second virial coefficient b at 300k.

formula used : $z=\frac{pv}{nrt}$

and $z=1+\frac{b}{v}$

(a) $z=\frac{pv}{nrt}$

$v=\frac{znrt}{p}$

= $\frac{0.86\times 8.2\times[tex]10^{-3}$ \times 0.082\times 300}{20}[/tex]

= 8.67 × $10^{-3}$ l

(b) $z=1+\frac{b}{v}$

$b=(z-1)v$

= (0.00867-1) × 8.659

= - 8.5839 l/mole

Answer from: Quest

There is no reason to think the results are biased or not conducted properly but you should not assume the results are correct just because they were done in a laboratory so the answer would be c. it is likely to be reliable because the results support the conclusion presented.

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