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Chemistry 7 Online
OpenStudy (naturesweetie):

1. A 10 g gold coin is heated from 25°C to 50°C (CAu is 0.13 J/g-°C). What is the H? (Points : 1) +32.5 J 25 J +25 J - 32.5 J I know it is 32.5 J but is it negative or positive... I say it is negative, but I could be wrong...

OpenStudy (naturesweetie):

Or is it positive because it is gaining energy?

OpenStudy (naturesweetie):

Yup its a positive... the answer is +35.5 J

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