Question 44 of 442 in Physical Chemistry

Measuring enthalpy changes of reactions

1 mark · Easy

State the sign of the enthalpy change (ΔH) for an exothermic reaction.

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Negative / –

Also accept: negative; minus

Common mistakes: positive; plus

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Marking points

B1 · 1 mark · States sign is negative or minus.

Worked solution

ΔH is negative for exothermic reactions.

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