Home
Class 11
CHEMISTRY
If a gas absorbs 200J of heat and expand...

If a gas absorbs `200J` of heat and expands by `500 cm^(3)` against a constant pressure of `2 xx 10^(5) N m^(-2)`, then the change in internal energy is

A

`-300 J`

B

`-100 J`

C

`+100 J`

D

`+300 J`

Text Solution

Verified by Experts

The correct Answer is:
C
`DeltaU=Q+W" "DeltaU=Q+W`
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

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

  • THERMODYNAMICS

    NARAYNA|Exercise Level -III|64 Videos

  • THERMODYNAMICS

    NARAYNA|Exercise C.U.Q|122 Videos

  • STRUCTURE OF ATOM

    NARAYNA|Exercise EXERCISE - IV EXEMPLAR PROBLEMS|24 Videos

Similar Questions

Explore conceptually related problems

A gas absorbs 400J of heat and expands by 2 xx 10^(-3) m^(3) against a constant pressure of 10^(5)Nm^(-2) . The cahnge in internal energy of gas is

An ideal gas absorbs 600cal of heat during expansion from 10L to 20L against the constant pressure of 2atm . Calculate the change in internal enegry.

When 100J of heat is given to an ideal gas it expands from 200cm^(3) to 400cm^(3) at a constant pressure of 3 xx 10^(5) Pa . Calculate (a) the change in internal energy of the gas (b) the number of moles in the gas if the initial temperature is 400K , (c ) the molar heat capacity C_(p) at constant pressure and (d) the molar heat capacity C_(v) at constant volume. [R = (25)/(3)J//mol-K]

A gas absorbs 120 J of heat and expands against the external pressure of 1.10 atm from a volume of 0.5 L to 2.0L.What is the change in internal energy? (1 L atm = 101.3 J)

A gas expends from 2 L to 6L against a constant pressure of 0.5 atm on absobing 200 J of heat. Calculate the change in internal energy.

An ideal gas expands in volume from 1 xx 10^(3) m^(3) at 300 K against a constant pressure of 1 xx 10^(5) N m^(-2) .The work done is

A gas absorbs 200J of heat and expands against the external pressure of 1.5 atm from a volume of 0.5 litre to 1.0 litre. Calculate the change in internal energy.

An ideal gas expands from 10^(-3) m^(3) to 10^(-2) m^(3) at 300 K against a constant pressure of 10^(5) Nm^(-2) . The workdone is

NARAYNA-THERMODYNAMICS-Level -I (C.W)
  1. 10 g of argon gas is compressed isothermally and reversibly at a tempe...

    Text Solution

    |

  2. A system absorbs 20kJ heat and also does 10kJ of work. The net interna...

    Text Solution

    |

  3. If a gas absorbs 200J of heat and expands by 500 cm^(3) against a cons...

    Text Solution

    |

  4. An insulated vessel contains 1mole of a liquid, molar volume 100mL at ...

    Text Solution

    |

  5. The molar heat capacity of water at constant pressure, C, is 75 JK^(-1...

    Text Solution

    |

  6. For a gas having molar mass M, specific heat at constant pressure can ...

    Text Solution

    |

  7. Molar heat capacity of water is equilibrium with the ice at constant p...

    Text Solution

    |

  8. C(v) values for monoatomic and diatomic gases respectively are

    Text Solution

    |

  9. The difference in DeltaH and DeltaE for the combustion of methane at 2...

    Text Solution

    |

  10. For the reaction C(2)H(4)(g)+3O(2)(g) rarr 2CO(2) (g) +2H(2)O(l), De...

    Text Solution

    |

  11. One mole of ideal gas expands freelt at 310 K from five litre volume t...

    Text Solution

    |

  12. 1g of graphite is burnt in a bomb calorimeter in excess of oxygen at 2...

    Text Solution

    |

  13. The combustion of 1 mol of benzene takes place at 298 K and 1 atm. Aft...

    Text Solution

    |

  14. DeltaH for CaCO(3)(s)rarrCaO(s)+CO(2)(g) is 176 kJ mol^(-1) at 1240 K....

    Text Solution

    |

  15. For the reaction 2CO(g) +O(2)(g) rarr 2CO(2)(g) , DeltaH=-560 kJ m...

    Text Solution

    |

  16. Which of the following is an endothermic reaction

    Text Solution

    |

  17. When 10 grams of methane is completely burnt in oxygen, the heat evolv...

    Text Solution

    |

  18. Given that C("(graphite)") rarr C((g)), DeltaH=+716.7 kJ. C("(diamon...

    Text Solution

    |

  19. At 25^(@)C the heat of formation of H(2)O((l)) is -285.9" kJ mole"^(-1...

    Text Solution

    |

  20. DeltaH value for the manufacture of NH(3) is DeltaH=-91.8 kJ. The corr...

    Text Solution

    |