Given the Three Statements Below, Which Answer Is Correct

question 53

Multiple Choice

Given the three statements below, which answer is correct?
I. An exothermic reaction releases heat to the surroundings.
II. The sign of D H for an exothermic reaction is positive.
III. For an endothermic reaction to be carried out at constant temperature, heat must be supplied from the surroundings.

• A) I and II are true, III is false
• B) I and III are true, II is false
• C) I, II, and III are all true
• D) I, II, and III are all false
• E) II and III are true, I is false