What is the specific heat in J/g°C for a metal sample with a mass of 78.9 g which absorbs 753 J of energy when its temperature increases from 25.0°C to 99.0°C? What is the identity of the metal?

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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1. What is the specific heat in J/g°C for a metal sample with a mass of 78.9 g which
absorbs 753 J of energy when its temperature increases from 25.0°C to 99.0°C?
What is the identity of the metal?
2. Equal masses of water at 20°C and iron at 40°C are put together in a foam cup.
The water has a specific heat of 1 cal/g °C and the iron has a specific heat of 0.113
cal/g °C. What do you think the final temperature will be of both the water and the
iron in the foam cup? Show your work.
Transcribed Image Text:1. What is the specific heat in J/g°C for a metal sample with a mass of 78.9 g which absorbs 753 J of energy when its temperature increases from 25.0°C to 99.0°C? What is the identity of the metal? 2. Equal masses of water at 20°C and iron at 40°C are put together in a foam cup. The water has a specific heat of 1 cal/g °C and the iron has a specific heat of 0.113 cal/g °C. What do you think the final temperature will be of both the water and the iron in the foam cup? Show your work.
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