Use the following data at 298.15 K to complete this problem:

ΔH∘R(kJ⋅mol−1)
1/2H2(g)+1/2O2(g)→OH(g) 38.95
H2(g)+1/2O2(g)→H2O(g) -241.841
H2(g)→2H(g) 435.994
O2(g)→2O(g) 498.34

Assuming ideal gas behavior, calculate ΔH∘R and for the following reaction: OH(g)→H(g)+O(g)

Express your answer to five significant figures and include the appropriate units.

Part B
Assuming ideal gas behavior, calculate ΔU∘R and for the following reaction: OH(g)→H(g)+O(g)
Express your answer to five significant figures and include the appropriate units.

Part C
Assuming ideal gas behavior, calculate ΔH∘R and for the following reaction: H2O(g)→2H(g)+O(g)
Express your answer to five significant figures and include the appropriate units.

Part D
Assuming ideal gas behavior, calculate ΔU∘R and for the following reaction: H2O(g)→2H(g)+O(g)
Express your answer to five significant figures and include the appropriate units.

Part E
Assuming ideal gas behavior, calculate ΔH∘R and for the following reaction: H2O(g)→H(g)+OH(g)
Express your answer to five significant figures and include the appropriate units.

Part F
Assuming ideal gas behavior, calculate ΔU∘R and for the following reaction: H2O(g)→H(g)+OH(g)
Express your answer to five significant figures and include the appropriate units.