Chemistry

Problem

Consider 1.0-mol samples of CO₂ and He under the two sets of conditions listed. I. 200 K, 1 atm II. 300 K, 150 atm Which statement correctly compares the sign of each gas’s deviation, expressed as the compressibility ratio

Z = PV/nRT

, under the two conditions? a) I:

Z_{\text{CO}_2} > Z_{\text{He}}

;\tII:

Z_{\text{CO}_2} < Z_{\text{He}}

b) I:

Z_{\text{CO}_2} < Z_{\text{He}}

;\tII:

Z_{\text{CO}_2} > Z_{\text{He}}

c) I:

Z_{\text{CO}_2} > Z_{\text{He}}

;\tII:

Z_{\text{CO}_2} > Z_{\text{He}}

d) I:

Z_{\text{CO}_2} < Z_{\text{He}}

;\tII:

Z_{\text{CO}_2} = Z_{\text{He}}

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