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The enthalpy change for the reaction does not depends upon the
Answer: C. Nature of intermediate reaction steps The enthalpy change for the reaction does not depends upon the nature of intermediate reaction steps.
Answer: C. Nature of intermediate reaction steps
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For a spontaneous process, the correct statement is
Answer: D. Total entropy change is always negative For a spontaneous process, the correct statement is total entropy change is always negative.
Answer: D. Total entropy change is always negative
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The second law of thermodynamics states that in a cyclic process :
Answer: D. Heat cannot be completely converted into work The second law of thermodynamics states that in a cyclic process heat cannot be completely converted into work.
Answer: D. Heat cannot be completely converted into work
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Three moles of an ideal gas is expanded spontaneously into vaccum. The work done will be:
Answer: D. Zero Three moles of an ideal gas is expanded spontaneously into vaccum. The work done will be zero.
Answer: D. Zero
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The addition of a catalyst during a chemical reaction alters which of the following quantities?
Answer: C. Activation energy The addition of a catalyst during a chemical reaction alters activation energy.
Answer: C. Activation energy
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Identify the extensive quantity/quantities from the following
Answer: C. Both A and B The extensive quantities from the following are both enthalpy and volume.
Answer: C. Both A and B
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Which of the following is a state function?
Answer: C. q+w The following q+w is a state function.
Answer: C. q+w
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During free expansion, work done is
Answer: D. Zero and process is irreversible During free expansion, work done is zero and process is irreversible.
Answer: D. Zero and process is irreversible
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When a gas expands isothermally and reversibly, the work done by it is
Answer: A. Maximum When a gas expands isothermally and reversibly, the work done by it is maximum.
Answer: A. Maximum
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Heat exchange in a chemical reaction at constant temperature and pressure is called
Answer: C. Enthalpy Heat exchange in a chemical reaction at constant temperature and pressure is called enthalpy.
Answer: C. Enthalpy
See lessHeat exchange in a chemical reaction at constant temperature and pressure is called enthalpy.