1. If q = -29 kJ for a certain process, the process is: a) occurs rapidly b) is

Question

1. If q = -29 kJ for a certain process, the process is:

                                      a) occurs rapidly

                                       b) is exothermic

                                        c) is endothermic

                                       d) cannot occur

                                       e) requires a catalyst

2. The enthaply change 1 atm of which reaction correspondes to the standard enthaphly of formation of solid magnesium nitrate, Mg(NO3)2?

a) Mg(s) + N2(g) + 2O3(g) %u2192 Mg(NO3)2(s)

b) Mg(s) + N2(g) + 3O2(g) %u2192 Mg(NO3)2(s)

c)

Explanation / Answer

1) b

2) b

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