Q Question 1 When a system , ?E is always negative. Question 2 Which one of the following is an exothermic process? Question 3 1 out of 1 points ?H for an endothermic process is while ?H for an exothermic process is Question 4 The reaction 4Al (s) + 3O2 (g) ? 2 Al2O3 (s) ?H° = -3351 kJ is , and therefore heat is by the reaction. Question 5 The units of specific heat are .
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