Home
Class 11
CHEMISTRY
3.0 moles of ideal gas is heated at cons...

3.0 moles of ideal gas is heated at constant pressure from `27^(@)C` to `127^(@)C`. Then the work expansion of gas is

A

`-2.494 kJ`

B

`+2.494 kJ`

C

`-10.5 kJ`

D

`+10.5 kJ`

Text Solution

Verified by Experts

The correct Answer is:
A
`W= - nR DeltaT`
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    NARAYNA|Exercise Level-IV|27 Videos

  • THERMODYNAMICS

    NARAYNA|Exercise Level -I (H.W)|38 Videos

  • THERMODYNAMICS

    NARAYNA|Exercise Level -II (C.W)|41 Videos

  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - IV EXEMPLAR PROBLEMS|24 Videos

Similar Questions

Explore conceptually related problems

If an ideal gas is heated at constant pressure :

One mole of an ideal gas is heated at constant pressure from 0^(@)C to 100^(@)C (A) Calculate work done. (B) If the gas were expanded isothermally and reversibly at 0^(@)C from 1 atm to some other pressure P_(1) , water must be the final pressure if the maximum work is equal to the work involned in (a)?

One mole of an ideal gas is heated at constant pressure from 0^(@)C to 100^(@)C . a. Calculate the work done. b. If the gas were expanded isothermally and reversibly at 0^(@)C from 1 atm to some othe pressure P , what must be the final pressure if the maixmum work is equal to the work in (a) ?

One mole of a monoatomic ideal gas is heated at constant pressure from 25^(@)C to 300^(@)C . Calculate the DeltaH,DeltaU , work done and entropy change during the process. Given C_(v)=3/2R .

If 70 cal of heat is required to raise the temperature of moles of an ideal gas at constant pressure from 30^(@)C to 35^(@)C , calculate (i) the work done by the gas (ii) the increases in internal energy of the gas and (iii) degrees of freedom of gas molecules. given R =2 cal mol ^(-1) K^(-1)

10 mole of an ideal gas is heated at constant pressure of one atmosphere from 27^(@)C to 127^(@)C . If C_(v,m)=21.686+10^(-3)T(JK^(-1).mol^(-1)) , then DeltaH for the process is :

Half mole of an ideal monoatomic gas is heated at constant pressure of 1 atm from 20^(@)C " to " 90^(@)C . Work done by gas is close to: (Gas constant R = 8.31 J/mol-K)

310 J of heat is required to rise the temperature of 2 moles of an ideal gas at constant pressure from 25^(@)C to 35^(@)C . The amount of heat required to raise the temperature of the gas through the same range at constant volume, is

One mole of an ideal monoatomic gas is heated at a constant pressure of one atmosphere from 0^(@) to 100^(@)C. Then the change in the internal energy is

Heat supplied to an ideal gas sample at constant Pressure :

NARAYNA-THERMODYNAMICS-Level -III
  1. 5mol of an ideal gas at 27^(@)C expands isothermally and reversibly fr...

    Text Solution

    |

  2. One mole of a gas is heated at constant pressure to raise its temperat...

    Text Solution

    |

  3. 3.0 moles of ideal gas is heated at constant pressure from 27^(@)C to ...

    Text Solution

    |

  4. An ideal gas occupying volume of 2 dm^(3) and a pressure of 5 bar unde...

    Text Solution

    |

  5. A piston filled with 0.04 mole of an ideal gas expands reversible from...

    Text Solution

    |

  6. A heat engine absorbs heat Q(1) at temperature T(1) and Q(2) at temper...

    Text Solution

    |

  7. (Delta H - Delta U) for the formation of carbon monoxide (CO) from its...

    Text Solution

    |

  8. The gas in a refrigerator causes cooling on expansion because:

    Text Solution

    |

  9. 5 moles of oxygen are heated at constant volume from 10^(@)C to 20^(@)...

    Text Solution

    |

  10. The molar heat capacity of water is 75 JK^(-1)" mole"^(-1). What is th...

    Text Solution

    |

  11. When a certain amount of ethylene was burnt 622 kJ heat was evolved. I...

    Text Solution

    |

  12. When 100 ml of 0.2 M HCl is mixed with 100 ml of 0.2 M NaOH, the rise ...

    Text Solution

    |

  13. When 20 ml of 0.1 M HCl is mixed with 20 ml of 0.1 M NaOH, the rise in...

    Text Solution

    |

  14. The amount of heat evolved when 500 cm^(3) 0.1 M HCl is mixed with 200...

    Text Solution

    |

  15. When 20 ml of 0.1 M HCl is mixed with 20 ml of 0.1 M NaOH, the rise in...

    Text Solution

    |

  16. How much heat is produced when 2.63 g of phosphorous and 40g of Bromin...

    Text Solution

    |

  17. A coffee cup calorimeter initially contains 125 g of water at a temper...

    Text Solution

    |

  18. The lattice energy of solid NACl is 180K. Cal mol^(-1). The dissolutio...

    Text Solution

    |

  19. The change in enthalpy when HF reacts with NaOH in dilute conditions i...

    Text Solution

    |

  20. If (1)/(2)X(2)O((s)) rarr X((s))+(1)/(4)O(2(g)),DeltaH=90kJ then heat ...

    Text Solution

    |