SATHEE: Heat and Thermodynamics 1 Question 11

Heat and Thermodynamics 1 Question 11

11. Calorie is defined as the amount of heat required to raise temperature of $1 g$ of water by $1^{\circ} C$ and it is defined under which of the following conditions?

(2005, 2M)

(a) From ${14.5}^{\circ} C$ to ${15.5}^{\circ} C$ at $760 m m$ of $H g$

(b) From ${98.5}^{\circ} C$ to ${99.5}^{\circ} C$ at $760 m m$ of $H g$

(d) From ${3.5}^{\circ} C$ to ${4.5}^{\circ} C$ at $76 m m$ of $H g$

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Solution:

1 calorie is the heat required to raise the temperature of $1 g$ of water from ${14.5}^{\circ} C$ to ${15.5}^{\circ} C$ at $760 m m$ of $H g$ .

Hence, correct option is (a).

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Heat and Thermodynamics 1 Question 11

11. Calorie is defined as the amount of heat required to raise temperature of 1g of water by 1∘C and it is defined under which of the following conditions?

Solution:

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11. Calorie is defined as the amount of heat required to raise temperature of $1 g$ of water by $1^{\circ} C$ and it is defined under which of the following conditions?