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Measurement of Enthalpy Change

Thermodynamics
Chemistry
Class 11

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Measuring Enthalpy Change: Calorimetry

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Related questions

0.16 g of methane was subjected to combustion at in a bomb calorimeter. The temperature of the calorimeter system (including water) was found to rise by
Calculate the heat of combustion of methane at constant pressure. The thermal capacity of the calorimeter system is
.

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For the reaction, .
and  are related as:

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Calculate and in calories if 1 mole of a monoatomic ideal gas is heated at constant pressure of 1 atm from to .

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For the reaction : _________

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If melting one mole of ice to water requires kJ of enthalpy, then freezing of water to two mole of ice will require ________ kJ of energy.

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The heat energy of is needed to raise the temperature of moles of an ideal gas by at constant pressure. How much heat energy is needed to raise the temperature of the same mass of the gas by at constant volume?

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A gas contained in a cylinder is filled with a frictionless piston expands against a constant pressure atmosphere from a volume of litre to a volume of litre. In doing so, it absorbs thermal energy from surroundings. Determine for the process.

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;
(298K) kcal. For this reaction, is equal to:

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C (diamond) C (graphite)

C (diamond) +
H = -91 cal at 300 K
C (graphite) +
H = X at 300 K
X is:

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Calorific value of gas is x kJ/gm. What is heat of formation of ?

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