Home
Class 12
CHEMISTRY
If 2500 cal of heat is added to a system...

If 2500 cal of heat is added to a system while the system does work equivalent to 3500 cal by expanding against the surrounding atmosphere, the value of `Delta U` for the system is ________ .

A

`-1000 cal`

B

`1000 cal`

C

`-6000 cal`

D

`6000 cal`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    TARGET PUBLICATION|Exercise COMPETITIVE THINKING|97 Videos

  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|25 Videos

  • CHEMICAL THERMODYNAMICS AND ENERGETICS

    TARGET PUBLICATION|Exercise EVALUATION TEST|25 Videos

  • CHEMICAL KINETICS

    TARGET PUBLICATION|Exercise Evaluation test|13 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    TARGET PUBLICATION|Exercise 7|3 Videos

Similar Questions

Explore conceptually related problems

A system absorbs 800 J of heat and system works equivalent to 900 J by expanding. The value of Delta U for the system is

If 500 calorie of heat energy are added to a system and the system does 350 calorie of work on the surroundings, what is the energy change of the system?

If "10" calorie of heat energy is added to a system and the system does "5" calorie of work on the surroundings,What is the energy change of the system?

If 50 calories are added to a system and system does work of 30 calories on surroundings, the change in internal energy of system is

If 150 J of heat is added to a system and the work done by the system is 110 j. then change in internal energy wil be

Delta U for a system that does 1000 cal of work on the surroundings when 200 cal of heat are absorbed by the system is ______ .

A system absorb 600 J of heat and work equivalent to 300 J on its surroundings. The change in internal energy

TARGET PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS -CRITICAL THINKING
  1. In a reaction, if Delta Ult 0, then heat .

    Text Solution

    |

  2. A system has internal energy equal to U(1), 450J of heat is taken out ...

    Text Solution

    |

  3. If 2500 cal of heat is added to a system while the system does work eq...

    Text Solution

    |

  4. The INCORRECT statement in relation to first law of thermodynamics i.e...

    Text Solution

    |

  5. In an isobaric process, .

    Text Solution

    |

  6. In an isochoric process the increase in internal energy is

    Text Solution

    |

  7. Cooling of a gas in an adiabatic expansion is due to .

    Text Solution

    |

  8. Which of the following statements is INCORRECT for the second law of t...

    Text Solution

    |

  9. Point out the WRONG statement from the following, in relation to entha...

    Text Solution

    |

  10. For the following reaction at 298 K, H(2(g))+1/2 O(2(g))to H2 O((l))...

    Text Solution

    |

  11. In which of the following reactions, Delta H is greater than Delta U ?

    Text Solution

    |

  12. For the gaseous reaction involving the complete combustion of iso-buta...

    Text Solution

    |

  13. A mixture of 2 moles of carbon monoxide and one mole of oxygen in a cl...

    Text Solution

    |

  14. In which of the following, Delta U=Delta H?

    Text Solution

    |

  15. For CaCO(3(s)) iff CaO((s))+CO(2(g)) at 977^@ C, Delta H=176 kJ/mol, t...

    Text Solution

    |

  16. For the reaction C(6)H(12)(l)+9O(2)(g)to6H(2)O(l)+6CO(2)(g) , DeltaH...

    Text Solution

    |

  17. The heat produce during combustion of 7.8 g C6 H6 at constant volume f...

    Text Solution

    |

  18. The heat of combustion of solid benzoic acid at constant volume is -32...

    Text Solution

    |

  19. The mathematical expression for the standard enthalpy of sublimation i...

    Text Solution

    |

  20. In which of the following thermochemical changes DeltaH^@ is always ne...

    Text Solution

    |