What is the change in internal energy (ΔU) when 1 mol of water is vaporized at 1 bar pressure and 100°C, given that the enthalpy change (ΔH) is 41.00 kJ mol⁻¹ and the ideal gas constant R is 8.3 J mol⁻¹ K⁻¹?
A
37.904 kJ mol⁻¹
B
41.00 kJ mol⁻¹
C
096 kJ mol⁻¹
D
44.10 kJ mol⁻¹

Question

What is the change in internal energy (ΔU) when 1 mol of water is vaporized at 1 bar pressure and 100°C, given that the enthalpy change (ΔH) is 41.00 kJ mol⁻¹ and the ideal gas constant R is 8.3 J mol⁻¹ K⁻¹?

A

37.904 kJ mol⁻¹

B

41.00 kJ mol⁻¹

C

096 kJ mol⁻¹

D

44.10 kJ mol⁻¹

Accepted Answer

37.904 kJ mol⁻¹

Answer

41.00 kJ mol⁻¹

Answer

096 kJ mol⁻¹

Answer

44.10 kJ mol⁻¹

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