Home
Class 11
PHYSICS
Find the change in internal energy in jo...

Find the change in internal energy in joule, when 10g of air is heated from `30^(@)C" to " 40^(@)C`
`(C_(V)=0.172"kcal/kg K", J=4200" J/kcal")`

A

62.24 J

B

72.24 J

C

52.24 J

D

82.24 J

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    AAKASH SERIES|Exercise EXERCISE - 3|33 Videos

  • THERMODYNAMICS

    AAKASH SERIES|Exercise EXERCISE - 1B|32 Videos

  • THERMAL PROPERTIES OF MATTER

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (LEVEL - II) PRACTICE SHEET (ADVANCED) Integer/Subjective Type Questions|2 Videos

  • THERMOMETRY

    AAKASH SERIES|Exercise Numerical Exercise (LEVEL- 1)|11 Videos

Similar Questions

Explore conceptually related problems

Find the change in internal energy in joule when 20gm of a gas is heated from 20^(@)C to 30^(@)C (G = 0.18 kcal/kg K, J = 4200J/kcal)

An office room contains about 2000 moles of air . The change in the internal energy of this much air when it is cooled from 34 ^@ C to 24^@C at constant pressure of 1.0 atm is [ Use gamm _(" air") = 1.4 and universal gas constant =8.314 J // mol -K]

Energy of C, C pi bond in k.cal is

A 210 W heater is used to heat 100 g water. The time required to raise the temperature of this water from 25^(@)C to 100^(@)C is (specific heat capacity of water =4200" J/Kg-"^(@)C )

An ideal gas is heated from 20^(@)C to 40^(@)C under constant pressure. The change in internal energy is

AAKASH SERIES-THERMODYNAMICS-EXERCISE - 2
  1. Four moles of a perfect gas heated to increases its temperature by 2^(...

    Text Solution

    |

  2. Five moles of hydrogen is heated through 20 K under constant pressure....

    Text Solution

    |

  3. Find the change in internal energy in joule, when 10g of air is heated...

    Text Solution

    |

  4. The temperature of 5 moles of a gas at constant volume is changed from...

    Text Solution

    |

  5. When an ideal diatomic gas is heated at constant pressure, the fractio...

    Text Solution

    |

  6. When a monoatomic gas expands at constant pressure, the percentage of ...

    Text Solution

    |

  7. H calories of heat is required to increase the temperature of one mole...

    Text Solution

    |

  8. 1/2 mole of Helium gas is contained in a container at S.T.P. the heat ...

    Text Solution

    |

  9. How much heat energy in joules must be supplied to 14 gms of nitrogen ...

    Text Solution

    |

  10. For a gas, the different between the two specific heats is 4150J Kg^(-...

    Text Solution

    |

  11. The specific heat of air at constant pressure is 1.005 kJ/kg k and the...

    Text Solution

    |

  12. The specific heat of Argon at constant volume is 0.3122 kj/kg K. Find ...

    Text Solution

    |

  13. The volume of 1 kg of hydrogen gas at N.T.P is 11.2 m^(3). Specific he...

    Text Solution

    |

  14. If for hydrogen C(P)-C(V)=m and for nitrogen C(P)-C(V)=n, Where C(P) a...

    Text Solution

    |

  15. One mole of a monoatomic gas is mixed with one mole of a diatomic gas....

    Text Solution

    |

  16. One mole of an ideal gas undergoes an isothermal change at temperature...

    Text Solution

    |

  17. One mole of O(2) gas having a volume equal to 22.4 litres at 0^(@)C an...

    Text Solution

    |

  18. The isothermal Bulk modulus of an ideal gas at pressure P is

    Text Solution

    |

  19. Diatomic gas at pressure 'P' and volume 'V' is compressed adiabaticall...

    Text Solution

    |

  20. The pressure and density of a given mass of a diatomic gas (gamma = (7...

    Text Solution

    |