8. Thermochemistry
Endothermic & Exothermic Reactions
25PRACTICE PROBLEM
Predict whether the following reactions will be exothermic or endothermic.
a. N2(g) + 3 H2(g) → 2 NH3(g)
b. S(g) + O2(g) → SO2(g)
c. CaO3(s) → CaO(s) + CO2(g)
d. 2 H2O(g) → 2 H2(g) + O2(g)
e. 2 F(g) → F2(g)
Predict whether the following reactions will be exothermic or endothermic.
a. N2(g) + 3 H2(g) → 2 NH3(g)
b. S(g) + O2(g) → SO2(g)
c. CaO3(s) → CaO(s) + CO2(g)
d. 2 H2O(g) → 2 H2(g) + O2(g)
e. 2 F(g) → F2(g)