If Cp of water is 45T J/°C, what is the enthalpy change of water from 6

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Question

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

Options:

A . 7 J

B . 14 J

C . 28 J

D . 56 J

Answer: Option B
Answer: (b).14 J

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Question 1. 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,....CP= 40 J/°C, what is the average CP of mixture?

Question 2. A mixture contains 20% O₂ with CP = 15 J/°C and 80% CO₂ with CP = 20 J/°C, what is the average CP of mixtu....= 20 J/°C, what is the average CP of mixture?

Question 3. What is the value of CP – CV for ideal gases?....

Question 4. 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, ....= 10 J/°C, what is the average CP of mixture?

Question 5. A mixture contains 20% SO₂ with CP= 35 J/°C, 30% NO₃ with CP = 20 J/°C and 50% CO₂ with CP = 40 J/°....= 40 J/°C, what is the average CP of mixture?

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

Question 7. CP-T curve of H2 forms a rectangle of height 20 J/°C from 4°C to 5°C?....

Question 8. Heat Capacity of water is given by 4 + T², what is the enthalpy change from 0°C to 3°C?....

Question 9. CP-T curve covers 10 J from 2°C to 10°C, what is the enthalpy change?....

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

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