The combustion of substance X releases 250 kJ of heat per mole of X consumed
CHEMISTRY · Single correct · A Level · Chemistry · Energetics · Energetics
Problem
The combustion of substance X releases 250 kJ of heat per mole of X consumed. Three trials are carried out, each completely burning a different amount of X.
Trial 1: 0.50 mol Trial 2: 1.50 mol Trial 3: 1.00 mol
Which ranking lists the trials in order of total heat released, from greatest to least?
(a) Trial 1 > Trial 3 > Trial 2
(b) Trial 3 > Trial 1 > Trial 2
(c) Trial 2 > Trial 3 > Trial 1
(d) Trial 2 > Trial 1 > Trial 3