Multiple Choice
Which of the following statements are false?
A) If a chemical equation is multiplied by some factor,ΔH°rxn is also multiplied by the same factor.
B) If a chemical reaction changes direction,then ΔH°rxn changes sign.
C) If a chemical equation can be expressed as the sum of a series of steps,ΔH°rxn for the overall equation is the sum of the heats of reactions for each step.
D) Standard states are all in the gas phase.
Correct Answer:

Verified
Correct Answer:
Verified
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