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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Q. What is the value of CP – CV for ideal gases?

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Q. A mixture contains 20% O₂ with CP = 15 J/°C and 80% CO₂ with CP = 20 J/°C, what is the average CP of mixture?

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Q. A mixture contains 30% Ar with CP = 30 J/°C, 30% N₂ with CP = 20 J/°C and 40% CH₄ with CP = 10 J/°C, what is the average CP of mixture?

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Q. A mixture contains 20% O₂ with CP = 10 J/°C, 30% N₂ with CP = 20 J/°C and 50% CO₂ with CP= 40 J/°C, what is the average CP of mixture?

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Q. A mixture contains 20% SO₂ with CP= 35 J/°C, 30% NO₃ with CP = 20 J/°C and 50% CO₂ with CP = 40 J/°C, what is the average CP of mixture?

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Q. Heat Capacity of CO₂ is given by 12 + 3T + T², what is the enthalpy change from 0°C to 6°C?

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Q. Heat Capacity of water is given by 4 + T², what is the enthalpy change from 0°C to 3°C?

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Q. CP-T curve covers 10 J from 2°C to 10°C, what is the enthalpy change?

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Q. CP-T curve of CO₂ forms a rectangle of height 10 J/°C from 5°C to 10°C?

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Q. CP-T curve of H2 forms a rectangle of height 20 J/°C from 4°C to 5°C?

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Q. What is the work done by an open steady-state system if heat transferred to it is 10 J?

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Q. In a closed system, change in internal energy is 10 J and heat transferred to it is 10 J what is the work done by the system?

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