Q. In standard states, enthalpies of all the elements are

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Q. The unit of specific heat is

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Q. Molar heat of vaporization of water is

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Q. Standard enthalpy of reaction for the formation of water is

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Q. When carbon reacts with oxygen to form CO₂, the enthalpy of formation is

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Q. The specific heat of water is

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Q. Amount of heat absorbed when one mole solid sublimes are called

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Q. Amount of heat absorbed in changing one mole of liquid into vapours is

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Q. The heat capacity is related to the temperature by the formula

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Q. The enthalpy of neutralization of NaOH by HCl is

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Q. The amount of heat absorbed or evolved when one mole of the compound is formed from its elements is

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Q. In exothermic reaction, enthalpy of reactants is

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Q. The heat change during any physical or chemical change taking place at constant pressure is called

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Q. The units of heat capacity are

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Q. In endothermic reaction, the enthalpy change of products is

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Q. The apparatus used to measure the enthalpy of combustion of a substance is

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Q. Amount of heat absorbed in melting one mole of solid is

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Q. During melting, there is change in intermolecular distances and potential energy of atom, ion and molecules

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Q. The quantity of heat q is evolved or absorbed during the reaction is given by

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Q. The amount of heat evolved when one mole of a substance is completely burnt in oxygen is

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