The standard enthalpies of combustion of formaldehyde, H2C=O(g), and formic acid, HCOOH(l), are –563 — Thermodynamics Chemistry Question
Question
The standard enthalpies of combustion of formaldehyde, H2C=O(g), and formic acid, HCOOH(l), are –563 and –270 kJ•mol–1 respectively. What is ∆H˚ for the following reaction?
H2C=O(g) + 1/2 O2(g) → HCOOH(l)
A.
–833 kJ•mol–1
B.✓ Correct
–293 kJ•mol–1
C.
293 kJ•mol–1
D.
833 kJ•mol–1
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