SSC
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The heat required to raise the temperature of WATER 1∘C
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calorie
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joule
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specific heat
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energy
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Explanation:
Detailed explanation-1: -One calorie is the amount of heat required at a pressure of one atmosphere to raise the temperature of 1 g of water from 14.5∘C to 15.5∘C at standard pressure. However, the value is approximately the same for 1∘C rise at any temperature.
Detailed explanation-2: -One calorie is defined as the heat required to raise the temperature of 1 gm of water by 1oC in a certain interval of temperature and at certain pressure.
Detailed explanation-3: -Hence the heat required to increase 1° Celsius temperature of one-kilogram water is 1000 calorie.
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