Home
Class 11
PHYSICS
If R is universal gas constant , the amo...

If R is universal gas constant , the amount of heat needed to raise the temperature of 2 moles of an ideal monatomic gas from 273 K to 373 K when no work id done is

A

100 R

B

150 R

C

300 R

D

500 R

Text Solution

Verified by Experts

The correct Answer is:
C

`dQ = dU + 0 =""_(n)C_(v)dT = 2 xx (3//2) R xx 100 = 300` R.
Promotional Banner

Topper's Solved these Questions

  • COMPETITION CARE UNIT

    ICSE|Exercise THERMAL CONDUCTION |17 Videos
  • COMPETITION CARE UNIT

    ICSE|Exercise THERMAL RADIATION |13 Videos
  • COMPETITION CARE UNIT

    ICSE|Exercise PROPERTIES OF MATTER (CALORIMETRY, CHANGE OF STATE & KINETIC THEORY OF GASES ) |30 Videos
  • CIRCULAR MOTION

    ICSE|Exercise MODULE 2 (FROM ROTATIONAL KINETIC ENERGY , WORK ,POWER)|24 Videos
  • DIMENSIONS

    ICSE|Exercise SELECTED PROBLEMS (FROM CONVERSIONS OF ONE SYSTEMS OF UNITS INTO ANOTHER)|9 Videos

Similar Questions

Explore conceptually related problems

If R = universal gas constant, the amount of heat needed to raise the temperature the temperature of 2 mol of an ideal monatomic gas from 273 K to 373 K when no work is done is

Q cal of heat is required to raise the temperature of 1 mole of a monatomic gas from 20^(@)C to 30^(@)C at constant pressure. The amount of heat required to raise the temperature of 1 mole of diatomic gas form 20^(@)C to 25^(@)C

Find the amount of work done to increase the temperature of one mole jof an ideal gas by 30^(@)C , if it is expanding under condition VooT^(2//3) .

Forty calories of heat is needed to raise the temperature of 1 mol of an ideal monatomic gas from 20^(@)C to 30^(@)C at a constant pressure. The amount of heat required to raise its temperature over the same interval at a constant volume (R = 2 cal mol^(-1) K^(-1)) is

Amount of heat energy required to raise the temperature of 2 g neon gas by 54°F at constant volume is (R= 2 cal mol^-1 K^-1 )

70 calories of heat is required to raise the temperature of 2 mole of an ideal gas at constant pressure from 30^@C to 35^@C . The amount of heat required to raise the temperature of the same gas through the same range at constant volume is

70 calories of heat is required to raise the temperature of 2 mole of an ideal gas at constant pressure from 30^@C to 35^@C . The amount of heat required to raise the temperature of the same gas through the same range at constant volume is

4 mole of helium gas at temperatures of 300 K is taken in a cylinder. (i) What is the heat required to increase its temperature to 600 K, if it is heated at constant volume (ii) what is the heat required to raise the temperature of the gas at constant pressure to 600 K ? (iii) What is the work done by the gas during the process ? Given C _(v) = 12. 5 J//mol K, C _(p) = 20. 8 J//mol K.

50 cal of heat is required to raise the temperature of 1 mole of an ideal gas from 20^@ C to 25^@ C , while the pressure of the gas is kept constant. The amount of heat required to raise the temperature of the same has through same temperature range at constant volume is ( R = 2 cal/mol/K)

Temperature of 1 mole of an ideal gas is increased from 300K to 310K under isochoric process. Heat supplied to the gas in this process is Q=25R, where R=universal gas constant. What amount of work has to be done by the gas if temperature of the gas decreases from 310K to 300K adiabatically?

ICSE-COMPETITION CARE UNIT-INTERNAL ENERGY
  1. A monatomic gas on n molecules is heated from temperature T(1) to T(2)...

    Text Solution

    |

  2. A Carnot engine operates with a source at 500 K and sink at 375 K. Eng...

    Text Solution

    |

  3. If R is universal gas constant , the amount of heat needed to raise th...

    Text Solution

    |

  4. A frictionless heat engine can be 100% efficient only if its exhaust t...

    Text Solution

    |

  5. The temperateus of inside and outside of a refrigerator are 273 K and ...

    Text Solution

    |

  6. An ideal gas heat engine operates in Carnot cycle between 227^(@)C and...

    Text Solution

    |

  7. 1 cm^(3) of waterr at its boiling point absorbs 540 calories of heat t...

    Text Solution

    |

  8. If a refrigerator's door is kept open, will the room become cool or ho...

    Text Solution

    |

  9. A Carnot engine has an efficiency of 1//6. When the temperature of the...

    Text Solution

    |

  10. When an ideal diatomic gas is heated at constant pressure the fraction...

    Text Solution

    |

  11. A gas mixture coinsists of (2) moles of oxygen and (4) moles of argon ...

    Text Solution

    |

  12. When an ideal diatomic gas is heated at constant pressure the fraction...

    Text Solution

    |

  13. An ideal gas is taken through cycle A to B to C-A, as shown in Fig. IF...

    Text Solution

    |

  14. In a given process on an ideal gas, dW = 0 and dQ lt 0. Then for the g...

    Text Solution

    |

  15. When a gas expands adiabatically

    Text Solution

    |

  16. The specific heat of a gas in an isothermal process is

    Text Solution

    |

  17. When the system does not exchange heat with the surroundings, the proc...

    Text Solution

    |

  18. A diatomic gas initially at 18^(@)C is compressed adiabatically to one...

    Text Solution

    |

  19. For a gas gamma = 5//3 and 800 c.c, of this gas is suddenly compressed...

    Text Solution

    |

  20. The pressure inside a tyre is 4 times that of atmosphere. If the tyre ...

    Text Solution

    |