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Q1. When 3.0 kg of water is warmed from 10∘C to 80∘C, how much **heat ( q)** is needed? Round to

*Hint: Cs of water = 4.184 J/g⋅∘C*

- 880 kJ
- 0.88 kJ
- 8.8 x 105 kJ

Q2. A calorimeter contains 100 g of water at 39.8∘C. An 8.23 g metal object (whose temperature is 50.0∘C) is placed inside the calorimeter. When equilibrium has been reached, the new temperature of the water and the metal is 40.0C∘. What *type of metal** *is the object made from?

*Hints: (1) Cs of water = 4.184 J/g⋅∘C, (2) solve for the specific heat capacity of the unknown metal, and (3) use the table of Specific Heat Capacity of Common Substances Actions to identify the metal.*

- Mn (s)
- Mg (s)
- Al (s)
- Pb (s)

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Answered by jewelmaejabinal123 on coursehero.com

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