What pressure will be exerted by 25.0 g of #CO_2# at temperature of 25 C and a volume of 500. mL?

1 Answer
anor277
Nov 28, 2016

Pressure will be reasonably high.

Explanation:

We have approximately #0.5*mol# of gas confined in a #1/2*L# volume. Pressure will be reasonably high, however, we can use the Ideal Gas Equation as a first approximation.

#"Pressure"=((25.0*cancelg)/(44.0*cancelg*cancel(mol^-1))xx0.0821*cancelL*atm*cancel(K^-1)*cancel(mol^-1)xx298*cancelK)/(0.500*cancelL)#

#=27.8*atm#

The actual pressure is likely to deviate considerably from this value. The ideal gas equation is used as a first approximation.

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