Home
Class 12
CHEMISTRY
If a refrigerator door is opend then we ...

If a refrigerator door is opend then we get

A

Room cooled

B

Room heated

C

more heat is passed out

D

no effect on room

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    MBD PUBLICATION|Exercise Question Bank|390 Videos

  • TRANSITION METALS (d-BLOCK ELEMENTS)

    MBD PUBLICATION|Exercise QUESTION BANK|1320 Videos

Similar Questions

Explore conceptually related problems

Whether when the door of a refrigerator is open, it can cool the room ?

If the temperature of the interior of a refrigerator is 7^@C and the temperature of surroundings is 27^@C , What should be the coefficient of performance of the refrigerator working between these temperature ?

Distinguish between a refrigerator and a heat engine.

Is the refrigerator a heat engine ?

What is co-efficient of performance of a refrigerator ? Obtain mathematical expression for it.

In a refrigerator the inside temperature is at 270 K and the room temperature is 300 K. How many joules of heat will be delivered to the room for each joule of electric energy consumed by the refrigerator ?

Can a refrigerator be employed as a heat pump to heat a house in winter ?

On what principle refrigerator works ? State-the construction and working of household refrigerator Derive an expression for it's co-efficient of performance .

MBD PUBLICATION-THERMODYNAMICS-Question Bank
  1. A gas on subjecting to adiabatic expansion gets cooled due to:

    Text Solution

    |

  2. In a spontaneouse irreversible process, the total entropy of the syste...

    Text Solution

    |

  3. If a refrigerator door is opend then we get

    Text Solution

    |

  4. During isothermal expansion of an ideal gas its

    Text Solution

    |

  5. A gas expands isothermally and reversibly. The work done by the gas is...

    Text Solution

    |

  6. Temperature and heat are:

    Text Solution

    |

  7. Internal energy and pressure of a gas of unit volume are related as:

    Text Solution

    |

  8. The internal energy of one mole of a gas is:

    Text Solution

    |

  9. The heat measured for a reaction in a bomd calorimeter is:

    Text Solution

    |

  10. Give an expression for work done in a reversible isothermal expression...

    Text Solution

    |

  11. Work done in reversible adiabatic process is given by:

    Text Solution

    |

  12. The bond dissociatin energy of C-H bond in CH4 from the equation, C(...

    Text Solution

    |

  13. The enthalpy of formation of water from hydrogen and oxygen is - 286 k...

    Text Solution

    |

  14. For a gaseous reaction, A(g)+3B(g)rarr3C(g)+3D(g) triangleU is 17 k...

    Text Solution

    |

  15. The heat of combustion of methane is, -880kJ mol^-1. If 3.2 g of metha...

    Text Solution

    |

  16. If H2(g)+Cl2(g)→ 2HCl, ^@=-44 kcal 2Na(s)+2HCl(g→ )2NaCl(s)+H2(g)...

    Text Solution

    |

  17. The heat of formation of CO(g) and CO2(g) are -26.4 kcal and -94.0 kca...

    Text Solution

    |

  18. The standard heat of formation of NO2(g) amd N2O4(g) are 8.0 2.0 kcal ...

    Text Solution

    |

  19. Given enthalpy of formation of CO2(g) and CaO(s) are -94.0 kJ and -152...

    Text Solution

    |

  20. The heat of combustion of rhombic and momoclinic sulphur are 70.96 and...

    Text Solution

    |