Which of the Following Statements Are False

question 83

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.

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