Can someone check my answers for chem?

Question

1. What are the signs (positive or negative) of q (heat) and w (work) for the following exothermic process at P=1 atm and T=370K
H2O(g)-->H2O(l)
I know q is negative for exothermic rxns, but I'm not sure whether w is positive or negative.

2. Using the following data, calculate the standard heat of formation of the compound ICl (g) in kJ/mol
Cl2(g) --> 2Cl(g) ∆H° = 242.3kJ
I2(g) --> 2I(g) ∆H° = 151.0kJ
ICl(g) --> I(g) + Cl(g) ∆H° = 211.3kJ
I2(s) --> I2(g) ∆H° = 62.8kJ

I came up with 16.75kJ, but could someone double check the answer?

Answer 1

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