A sample of gas occupies 487 ml at 373c. assuming the pressure is held constant, what volume does the sample occupy at 276c?

1 Answer
anor277
May 14, 2018

Well, what does old #"Charles' Law"# insist...?

Explanation:

#"Charles' Law"# insists that #VpropT#, given constant pressure, and constant quantity of gas....and of course we must use #"absolute temperature..."#.

Given #V=kT#, where #k# is some unspecified constant...we solve for #k# under different conditions...

#V_1/T_1=V_2/T_2#

And so...#V_2=V_1/T_1xxT_2=(487*mL)/(646*K)xx549*K#...

#=414*mL#...the volume HAS decreased as we would anticipate.

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