Define specific heat of a substance.


It is the amount of heat required to raise the temperature of 1 gram of a substance through l°C.

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Define molar heat capacity of a substance.


It is defined as the amount of heat required to raise the temperature of one mole of the substance through 1°C.

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What is the mode of transference of energy, when petrol is subjected to combustion in an internal combustion engine ?


It is a partly as work and partly as heat.

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Define heat capacity of a system.


It is the amount of heat required to raise the temperature by one degree celcius or kelvin. It is expressed in units of thermal energy per degree temperature.

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Differentiate between molar heat capacity and molar solution.


Molar heat capacity: Molar heat capacity means the amount of heat absorbed by one of the substance to raise its temperature through 1°.

Molar solution. The molar solution means a solution containing one mole of the solute per litre of the solution. 

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