🧪 TheChemSolverUSNCO / General Chemistry
ThermodynamicsMCQ

Given these reactions: A → 2B ∆H = 40 kJ B → C ∆H = -50 kJ 2C → D ∆H = -20 kJ Calculate ∆H for the rThermodynamics Chemistry Question

Question

Given these reactions:
A → 2B ∆H = 40 kJ
B → C ∆H = -50 kJ
2C → D ∆H = -20 kJ
Calculate ∆H for the reaction; D + A → 4C.

A.

–100 kJ

B.

–60 kJ

C.

–40 kJ

✓ Correct
D.

100 kJ

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