Under what pressure will a scientist need to store 0.400 miles of gas if the container has a volume of 200.0 mL and the temperature is kept at 23.0 C?

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kerivilla77 kerivilla77

05-02-2018
Chemistry

contestada

Under what pressure will a scientist need to store 0.400 miles of gas if the container has a volume of 200.0 mL and the temperature is kept at 23.0 C?

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prosborough198p2ub41 prosborough198p2ub41 · Answer 1 · 2018-02-05T17:54:32+01:00

Hello!

Ok so for this problem we use the ideal gas law of PV=nRT and I take it that the scientist needs to store 0.400 moles of gas and not miles.

So if we have
n=0.400mol
V=0.200L
T= 23degC= 273k+23c=296k
R=ideal gas constant= 0.0821 L*atm/mol*k

So now we rearrange equation for pressure(P)

P=nRT/V
P=((0.400mol)*(0.0821 L*atm/mol*k)*(296k))/(0.200L) = 48.6 atm of pressure

Hope this helps you understand the concept and how to solve yourself in the future!! Any questions, please feel free to ask!! Thank you kindly!!!