Home
Class 12
CHEMISTRY
In a process, 600J of heat is absorbed b...

In a process, 600J of heat is absorbed by a system and 300J of work is done by the system. Calculate the change in internal energy of the system.

Text Solution

Verified by Experts

Given: `q=+600J,w=-300J.` so, change in internal energy, `DeltaU=q+w=(600-300)J=300J`.
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXERCISE|22 Videos

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILLS (HOTS) QUESTIONS|20 Videos

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise QUESTION ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)|35 Videos

  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise EXERCISE (NUMERICAL PROBLEMS)|37 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    CHHAYA PUBLICATION|Exercise PRACTICE SET 15|15 Videos
CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-SOLVED WBCHSE SCANNER
  1. Which of the following is an example of a closed system-

    Text Solution

    |

  2. Which is an intensive property of a system-

    Text Solution

    |

  3. In a process, 600J of heat is absorbed by a system and 300J of work is...

    Text Solution

    |

  4. Latent heat of vaporisation of water at normal boiling point is 40.75k...

    Text Solution

    |

  5. Calculate the enthalpy of formation of liquid ethyl alcohol from the f...

    Text Solution

    |

  6. State the condition of spontaneity and equilibrium in terms of Gibbs f...

    Text Solution

    |

  7. Assuming the reactant and product gases of chemical reaction as ideal,...

    Text Solution

    |

  8. Which variable is kept constant in an isochoric process?

    Text Solution

    |

  9. Calculate the change in internal energy of the gas when it expands fro...

    Text Solution

    |

  10. Calculate the work done for a reversible isothermal compression of 1 ...

    Text Solution

    |

  11. At 25^(@)C the standard heat of formation of liquid H(2)O is -286.0 kJ...

    Text Solution

    |

  12. The temperature of 4 mol of a gas decreases from 40^(@)C to -60^(@)C o...

    Text Solution

    |

  13. Which one is the correct unit of entropy-

    Text Solution

    |

  14. For the reversible reaction A =+ 2B harr C+ Heat the forward raction w...

    Text Solution

    |

  15. Which one of the following is true for a spontaneous process-

    Text Solution

    |

  16. (i) Why is the enthalpy change for a chemical reaction more important ...

    Text Solution

    |

  17. Find out the heat of formation of CH3COOH. Given that the heat of comb...

    Text Solution

    |

  18. Which one of the following relation shows spontaneity-

    Text Solution

    |

  19. For which of the following chemical equation has DeltaH=DeltaU-

    Text Solution

    |

  20. Write the definition of entropy.

    Text Solution

    |