Select whether there is no work done by the system, work done by the system or work done by the surroundings for each system described below:
Question 1 1 pts Select whether there is no work done by the system, work done by the system or work done by the surroundings for each system described below: A. 4 NH3(g) + 5 O2(g) â 4 NO (g) + 6 H2O(!) ÎH =-906 kl/mol | [ Select ] B. 2 NO (g) + O2 (g) â 2 NO2(g) ÎH =-114.1 kJ/mol [ Select ] C. Cl (g) + 03 (g) â ClO(g) + O2(g) Î H =-163 kJ/mol | [ Select ] D. CaCO3 (s) â CaO (s) + CO2(g) ÎH-1 10.1 kJ/mol [ Select ] E. H2O (l) â H2O (g) ÎH = 44.0 kJ/mol | [ Select ]