Consider the following specific heats: copper, 0.384 J/g· ◦C; lead, 0.159 J/g· ◦C; water, 4.18 J/g· ◦C; glass, 0.502 J/g· ◦C. Which substance, once warmed, would be more likely to maintain its heat and keep you warm through a long football game on a cold night? 1. water 2. copper 3. glass 4. lead

Question

Chemistry

Thomas Olsen

10 November, 15:49

Consider the following specific heats: copper, 0.384 J/g· ◦C; lead, 0.159 J/g· ◦C; water, 4.18 J/g· ◦C; glass, 0.502 J/g· ◦C. Which substance, once warmed, would be more likely to maintain its heat and keep you warm through a long football game on a cold night? 1. water 2. copper 3. glass 4. lead

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Jordon · Answer 1

Answer: 1. Water would be more likely to maintain its heat through a cold night.

Since water has a greater heat capacity than copper, lead and glass it is more likely to heat up and cool slowly

Explanation:

heat capacity is the energy requires to raise one gram of a substance by one degree Celsius (the specific heat capacity). Heat capacity relates to a substance's ability to retain heat and its rate to heat up and cool. A substance with a low heat capacity will cool quickly while a substance with a high heat capacity such as water will cool slowly.