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A 10 g gold coin is heated from 25°C to 50°C (CAu is 0.13 J/g-°C). What is the H?

February 23rd, 2012 | Author: imwealth

Here are my options:

32.5 J

25 J

+25 J

+32.5 J


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    One Response to “A 10 g gold coin is heated from 25°C to 50°C (CAu is 0.13 J/g-°C). What is the H?”

    • cebee:
      February 23, 2012 at 12:11 am

      Heat gained or lost = mass * specific heat capacity * temperature difference
      = 10 * 0.13 * 25 = 32.5 joules.

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