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A heat of transformation of a substance ...

A heat of transformation of a substance is

A

the energy absorbed as heat during a phase transformation

B

the energy per unit mass absorbed as heat during a phase transformation.

C

the same as the heat capacity

D

the same as the specific heat.

Text Solution

Verified by Experts

The correct Answer is:
B
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RESNICK AND HALLIDAY-HEAT-MEASUREMENT AND TRANSFER-PRACTICE QUESTIONS
  1. A heat of transformation of a substance is

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  2. Heat is

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  3. An insulated contianer, filled with water, contains a thermometer and ...

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  4. For constant volume processes the heat capacity of gas A is greater th...

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  5. The same energy Q enters five different substances as heat. Which of t...

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  6. Take the mechanical equivalent of heat as 4J//cal. A 10-gram bullet mo...

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  7. The specific heat of lead is 0.030 cal//(g^(@)C). 300 g of lead shot a...

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  8. The heat of fusion of water is 79.5 cal // g. This means 79.5 cal of...

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  9. The formation of ice from water is accompained by

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  10. How many calories are required to change one gram of 0^(@)C ice to 10...

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  11. Ten grams of ice at - 20^(@)C is to be changed to steam at 130^(@)C . ...

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  12. Steam at 100^(@)C enters a radiator and leaves as water ( at 80^(@)C )...

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  13. Fifty grams of ice at 0^(@)C is places in a thermos bottle containing ...

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  14. A slab of material has area A, thickness L, and thermal conducitivy k....

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  15. A metallic rod is continuously heated at its two ends, the flow of hea...

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  16. The rate of heat flow through a slab is P("cond"). If the slab thickne...

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  17. An iron slove, used for heating a room by radiation , is more efficien...

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  18. An electric stove burner of diameter 20cm is at a temperature of 250^(...

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  19. A homeowner purchases insulation for her attic rated at R-15. She want...

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  20. A 2.00 kg metal object requires 5.02 xx 10^(3) J of heat to raise its...

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