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Internal Energy as a State of System

Thermodynamics
Chemistry
Class 11

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First Law of Thermodynamics

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Internal Energy

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Related questions

For which of the following reaction

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Assertion (A) : Zeroth law of thermodynamics gives us the concept of energy
Reason (R) : Internal energy is dependent on temperature

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One gram of water on evaporation at atmospheric pressure forms of steam. The heat of vaporisation at this pressure is . The increase in internal energy is

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Energy hidden in a definite quantity of substance is:

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The reaction between and is:

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Which of the following statements are correct as per IUPAC sign convention?

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According to the first law of thermodynamics, . In special cases the statement can be expressed in different ways. Which of the following is not a correct expression?

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The change in internal energy of the methanol is

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For the reaction  the difference between enthalpy change and internal energy change is:

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Assuming that water vapour is an ideal gas, the internal energy change  when    of water is vapourised at  pressure and    (Given: Molar enthalpy of vapourisation of water at    and    and 

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