Answer to Question #210852 in Physical Chemistry for pesky

Question #210852

1. A 32g sample of methane gas initially at 1atm and 27oC is heated to 277oC. The empirical equation for the molar heat capacity of methane at constant pressure is Cp = 3 + 2 10-2 T cal mole – deg K . Assume that methane behaves ideally, compute W, Q, U and H for

(i) an isobaric reversible process

(ii) an isochoric reversible process


(Useful constants: 1 atm = 101325Nm-2; R = 8.314JK-1mol-1; 1 Cal = 4.184J)


1
Expert's answer
2021-06-30T03:57:22-0400

I) (a) 13.064 kJmol−1

(b) 10.587 kJmol −1

ii) a) 17.65kJmol−1

b) 13.12kJmol−1


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