Home
Class 12
CHEMISTRY
A system has internal energy equal to U(...

A system has internal energy equal to `U_(1), 450J` of heat is taken out of it and `600J` of work is done on it. The final enegry of the system will be

A

`U_1 +1050 J`

B

`U_1 -150 J`

C

`U_1 +150 J`

D

`U_1 -1050 J`

Text Solution

Verified by Experts

The correct Answer is:
C
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

What is the change in internal energy if 10 J of heat is given to system at constant pressure and 20 J of work is done by the system?

A system absorbs 640 J heat and does work of 260 J, the change in internal energy of the system will be :

Calculate the changes in internal energy of a system if, 300 J of heat energy is added to the system and a work of 160 J is done on the system.

If the amount of heat given to a system is 50 J and work done on the system is 15 J, then change in internal energy of the system will be

The internal energy change in a system that has absorbed 2 kcal of heat and done 500J of work is

When a system is taken from state a to state b, in figure along the path a to c to b , 60J of heat flow into the system, and 30 J of work is done : (i) How much heat flows into the system along the path a to d to b if the work is 10J . (ii) When the system is returned from b to along the curved path, the work done by the system is -20J . Does the system absorb or liberate heat, and how much ? (iii) If , U_(a) = 0 and U_(d)= 22J , find the heat absorbed in the process a to d and d to b .

TARGET PUBLICATION-CHEMICAL THERMODYNAMICS AND ENERGETICS -CRITICAL THINKING
  1. The work done when 1.6 xx 10^-2 kg of oxygen at 300 K are expanded iso...

    Text Solution

    |

  2. In a reaction, if Delta Ult 0, then heat .

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  6. In an isobaric process, .

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |