Serway_PSE_quick_ch20

Serway_PSE_quick_ch20 - Physics for Scientists and...

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Unformatted text preview: Physics for Scientists and Engineers, 6e Chapter 20 Heat and the First Law of Thermodynamics Imagine you have 1 kg each of iron, glass, and water, and that all three samples are at 10C. Rank the samples from lowest to highest temperature after 100 J of energy is added to each sample. 1 2 3 4 5 6 17% 17% 17% 17% 17% 17% 1 2 3 4 5 1. iron, glass, water 2. iron, water, glass 3. glass, iron, water 4. glass, water, iron 5. water, glass, iron 6. water, iron, glass Because water has the highest specific heat (4 186 J/kg C), it has the smallest change in temperature. Glass is next (837 J/kg C), and iron is last (448 J/kg C). Imagine you have 1 kg each of iron, glass, and water, and that all three samples are at 10C. Rank them from least to greatest amount of energy transferred by heat if each sample increases in temperature by 20C. 1 2 3 4 5 6 17% 17% 17% 17% 17% 17% 1 2 3 4 5 1. iron, glass, water 2. iron, water, glass 3. glass, iron, water 4. glass, water, iron 5. water, glass, iron 6. water, iron, glass Iron, glass, water. For a given temperature increase, the energy transfer by heat is proportional to the specific heat.proportional to the specific heat....
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This note was uploaded on 01/19/2010 for the course PHYS 200 taught by Professor Davies during the Spring '08 term at Roger Williams.

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Serway_PSE_quick_ch20 - Physics for Scientists and...

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