Q. Which of the following is heat required in phase transitions?

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Q. What is the latent heat for melting?

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Q. 15 J is the latent heat for melting of ice, what is the heat of transition from 0°C ice to 15°C water if heat of transition from 0°C water to 15°C water is 10 J?

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Q. 5 J is the latent heat for melting of ice, what is the heat of transition from 0°C ice to 15°C water if heat of transition from 0°C water to 15°C water is 12 J?

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Q. 150 J is the latent heat for vaporization of water, what is the heat of transition from 50°C water to 100°C steam if heat of transition from 50°C water to 100°C water is 12 J?

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Q. Heat of fusion of benzene is 10 J at 0°C, if Cp of solid benzene is 10 J/°C, and that of liquid benzene is 5 J/°C what is the enthalpy change of benzene from – 10°C to 10°C?

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Q. If Cp of liquid water is 10 J/°C, what is the enthalpy change of water at standard conditions from – 10°C to 0°C?

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Q. If Cp of liquid benzene is 15 J/°C, what is the enthalpy change of water from 5°C to 10°C?

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Q. If Cp of solid benzene is 10 J/°C, what is the enthalpy change of water from 5°C to 75°C?

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Q. If Cp of steam is 105 J/°C, what is the enthalpy change of steam from 106°C to 118°C?

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Q. If Cp of water is (23 + T) J/°C, what is the enthalpy change of water from 3°C to 5°C?

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Q. If Cp of water is 45T J/°C, what is the enthalpy change of water from 6°C to 8°C?

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Q. Cp of ice is 25 J/°C and that of water is 30 J/°C, what is the enthalpy change of water from – 10°C to 35°C at standard conditions, if the later heat of fusion of water is 110 J?

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Q. Cp of ice is 10 J/°C and that of water is 15 J/°C, what is the enthalpy change of water from – 15°C to 0°C at standard conditions, if the later heat of fusion of water is 110 J?

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Q. Cp of water is 10 J/°C and that of steam is 15 J/°C, what is the enthalpy change of water from 75°C to 110°C at standard conditions, if the later heat of vaporization of water is 245 J?

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Q. Water having CP = 10 J/°C, is heated from 10°C to 50°C, what is the enthalpy change?

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Q. Liquid benzene having CP = 29 J/°C, is heated from 5°C to 10°C, what is the enthalpy change?

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Q. Ice having CP = 15 J/°C, is heated from -10°C to -4°C, what is the enthalpy change?

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Q. Steam having CP = 105 J/°C, is heated from 100°C to 104°C, what is the enthalpy change?

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Q. Cyclohexane having CP = 48 J/°C, is heated from 50°C to 55°C, what is the enthalpy change?

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