5.0 g of copper was heated from 20°C to 80°C. How much energy was used to heat the Cu? (Specific heat capacity of Cu is 0.387 J/g°C)

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Chapter6: Thermochemisty
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Problem 6.69QP: You wish to heat water to make coffee. How much heat (in joules) must be used to raise the...
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3. 5.0 g of copper was heated from 20°C to 80°C. How much energy was used to
heat the Cu? (Specific heat capacity of Cu is 0.387 J/g°C)
4. How much heat is absorbed by 20 g granite rock as energy from the sun causes
its temperature to change from 10°C to 29°C? (Specific heat capacity of granite
is 0.1 cal/g°C)
Transcribed Image Text:3. 5.0 g of copper was heated from 20°C to 80°C. How much energy was used to heat the Cu? (Specific heat capacity of Cu is 0.387 J/g°C) 4. How much heat is absorbed by 20 g granite rock as energy from the sun causes its temperature to change from 10°C to 29°C? (Specific heat capacity of granite is 0.1 cal/g°C)
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