Q. 15 J of heat is supplied to a system and 15 J of work is done on the system, then the system is which of the following?

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Q. 1 J of heat is supplied to the system and 1 kJ of work is done by the system, then the system is which of the following?

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Q. 10 J of work is and 5 J of heat is supplied to the system, then the system is which of the following?

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Q. For an open unsteady state system, 5 J of heat was supplied and 10 J of work was done on the system, what is the value of change in enthalpy?

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Q. For an open unsteady state system, 10 J of heat was supplied and 10 J of work was done by the system, what is the value of change in enthalpy?

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Q. For an open unsteady state system, 5 J of heat was supplied and 10 J of work was done by the system, what is the value of change in enthalpy?

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Q. For an open unsteady state system, 15 J of heat was taken off and 10 J of work was done by the system, what is the value of change in enthalpy?

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Q. For an open unsteady state system, 15 J of heat was supplied and -5 J of work was done on the system, what is the value of change in enthalpy?

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Q. Which of the following represents vaporization?

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Q. Which of the following can definitely cause vaporization?

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Q. Vaporization starts at which point?

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Q. What is the vaporization temperature of water at standard conditions?

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Q. What is the point of saturation of a condensable vapor?

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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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