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Chapter 14: Q13Q (page 390)

If you hear that an object has 鈥渉igh heat content,鈥� does that mean that its temperature is high? Explain.

Short Answer

Expert verified

No, the object that has high heat content does not need to have a high temperature.

Step by step solution

01

Relationship between specific heat and heat energy

The relationship between the specific heat and heat energy of a substance is linear. Thus, for a higher value of the heat energy, the value of the specific heat of the substance is also higher.

02

Step 2:Explanation for why an object that has high heat content does not have a high temperature

Suppose two samples of different substances have equal masses and temperatures. Now, a certain amount of heat energy is given to both of them. It increases the temperature of both the samples but the sample having larger specific heat has a lower final temperature. However, the heat content is the same for both substances related to their initial state.

Thus, it is possible that an object composed of a material with very large specific heat has high heat content but not at a high temperature.

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Most popular questions from this chapter

(II) An iron boiler of mass 180 kg contains 730 kg of water at 18掳C. A heater supplies energy at the rate of 58,000 kJ/h. How long does it take for the water (a) to reach the boiling point and (b) to all have changed to steam?

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(d) The molecules break apart into atoms.
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