Chemical Thermodynamics — Chemistry

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Question 1
EasyJEE

The unit of enthalpyenthalpy is:

A. J mol⁻¹
B. J
C. J K⁻¹
D. J K⁻¹ mol⁻¹
Question 2
MediumJEE

TheenthalpychangeforthereactionC(graphite)+O2(g)→CO2(g)iscalled:The enthalpy change for the reaction C(graphite)+O₂(g)→CO₂(g) is called:

A. Heat of formation of CO₂
B. Heat of combustion of carbon
C. Both
D. None
Question 3
MediumJEE

The enthalpy of fusion of iceis6.0kJmol−1.Theentropychangeforfusionice is 6.0 kJ mol⁻¹. The entropy change for fusion is:

A. 22 J K⁻¹ mol⁻¹
B. 20 J K⁻¹ mol⁻¹
C. 30 J K⁻¹ mol⁻¹
D. 18 J K⁻¹ mol⁻¹

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