A block of copper of unknown mass has an initial temperature of 65.4°C. The copper is added to a beaker containing 95.7g of water at 22.7°C. When the two substances reach thermal equilibrium, the final temperature is 24.2°C. What is the mass of copper? The specific heat of water is 4.184J/g°C and that of copper is 0.385J/g°C.

Chemistry for Engineering Students
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Chapter9: Energy And Chemistry
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Problem 9.35PAE: 9.35 A piece of titanium metal with a mass of 20.8 g is heated in boiling water to 99.5°C and then...
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A block of copper of unknown mass has an initial temperature of 65.4°C. The copper is added to a
beaker containing 95.7g of water at 22.7°C. When the two substances reach thermal equilibrium, the
final temperature is 24.2°C. What is the mass of copper? The specific heat of water is 4.184J/g°C and
that of copper is 0.385J/g°C.
Transcribed Image Text:A block of copper of unknown mass has an initial temperature of 65.4°C. The copper is added to a beaker containing 95.7g of water at 22.7°C. When the two substances reach thermal equilibrium, the final temperature is 24.2°C. What is the mass of copper? The specific heat of water is 4.184J/g°C and that of copper is 0.385J/g°C.
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