At a certain point in a coal gasification process, a sample of the gas is taken and stored in a 1-L cylinder. An analysis of the mixture yields the following results:

Determine the mole fractions and total mass in the cylinder at 100 kPa, 20°C.
How much heat transfer must be transferred to heat the sample at constant volume from the initial state to 100°C?

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Component Percent by mass H2 CO CO2 N2 2 45 28 25