The Reaction of Iron with Hydrochloric Acid Is Represented by the Following

Multiple Choice

The reaction of iron with hydrochloric acid is represented by the following thermochemical equation.
Fe(s) + 2HCl(aq) → FeCl₂(aq) + H₂(g) ; ΔH° = -87.9 kJ
In which of the following experiments would the temperature rise the most?

A) 2.2 g of Fe added to 1.0 L of 0.03 M HCl
B) 1.1 g of Fe added to 1.0 L of 0.02 M HCl
C) 4.5 g of Fe added to 1.0 L of 0.03 M HCl
D) 1.1 g of Fe added to 1.0 L of 0.04 M HCl
E) 0.56 g of Fe added to 1.0 L of 0.02 M HCl