Home
Class 11
CHEMISTRY
5 moles of an ideal gas at 100 K are all...

5 moles of an ideal gas at 100 K are allowed to undergo reversible compression till its temperature becomes 200 K. If `C_V = 28 JK^(-1) mol^(-1)`, calculate `DeltaU and DeltapV`.

A

`DeltaU = 14 J, Delta(pV) = 0.8 J`

B

`DeltaU = 14 kJ, Delta(pV) = 4kJ`

C

`DeltaU = 14 kJ , Delta(pV) = 18 J`

D

`DeltaU = 2.8 kJ , Delta(pV) = 0.8 kJ`.

Text Solution

Verified by Experts

The correct Answer is:
B

`DeltaU = 14 kJ, Delta(pV) = 4kJ`
Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    ICSE|Exercise TRUE OR FALSE. TYPE QUESTIONS|24 Videos
  • CHEMICAL THERMODYNAMICS

    ICSE|Exercise FILL IN THE BLANKS. TYPE QUESTIONS|20 Videos
  • CHEMICAL THERMODYNAMICS

    ICSE|Exercise ESSAY (LONG ANSWER) TYPE QUESTIONS|32 Videos
  • CHEMICAL BONDING AND MOLECULAR STRUCTURE

    ICSE|Exercise NCERT TEXT-BOOK EXERCISES ( WITH HINTS AND SOLUTIONS)|47 Videos
  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    ICSE|Exercise NCERT TEXT-BOOK. EXERCISE (With Hints and Solutions)|63 Videos

Similar Questions

Explore conceptually related problems

5 moles of an ideal gas at 100 K are allowed to undergo reversible compression till its temperature becomes 200 K. If Delta U is 14 kJ, what is Delta pV in J ? for this process ( R = 8.0J K ^( -1 ) mol^( -1) )

5 moles of an ideal gas at 100 K are allowed to undergo reversible compression till its temperature becomes 200 K. If Delta U is 14 kJ, what is Delta PV for this process ( R = 8.0J K ^( -1 ) mol^( -1) )

Calculate the moles of an ideal gas at pressure 2 atm and volume 1 L at a temperature of 97.5 K

Two moles of an ideal gas at 1 atm are compressed to 2 atm at 273 K. The enthalpy change for the process is

1 mole of an ideal gas undergoes an isothermal reversible expansion form 10 atm to 1 atm at 300 K. What will be the work done ?

Two mole of an ideal gas is heated at constant pressure of one atmosphere from 27^(@)C to 127^(@)C . If C_(v,m)=20+10^(-2)"T JK"^(-1).mol^(-1) , then q and DeltaU for the process are respectively:

A sample of 3.0 mole of perfect gas at 200 K and 2.0 atm is compressed reversibly and adiabatically until the temperature reaches 250 K . Given that molar heat capacity at 27.5 J K^(-1) mol^(-1) at constant volume calculate q,W,DeltaU,DeltaH and the final pressure and volume.

n moles of an ideal triatomic linear gas undergoes a process in which the temperature changes with volume as k_(1)V ^ 2 where k_(1) is a constant. Choose incorrect alternative.

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 :

One mole of an ideal gas is allowed to expand reversible and adiabatically from a temperatureof 27^(@)C) if the work done during the process is 3 kJ,the final temperature will be equal to (C_(v)=20JK^(-1))

ICSE-CHEMICAL THERMODYNAMICS -OBJECTIVE (MULTIPLE CHOCE) TYPE QUESTIONS
  1. A piston filled with 0.04 mole of an ideal gas expands reversibly from...

    Text Solution

    |

  2. For complete combustion of ethanol, C(2)H(5)OH(l) + 3O(2)(g) rarr 2CO(...

    Text Solution

    |

  3. A gas is allowed to expand in a well insulated container against a co...

    Text Solution

    |

  4. For a given reaction, DeltaH = 35.5 kJ mol^(-1) and Delta S = 83.6 JK...

    Text Solution

    |

  5. Given C(("graphite"))+O(2)(g)toCO(2)(g), Delta(r)H^(0)=-393.5kJ" "mo...

    Text Solution

    |

  6. DeltaU is equal to

    Text Solution

    |

  7. The bond dissociation energies of X2, Y2 and XY are in the ratio of 1 ...

    Text Solution

    |

  8. The combustion of benzene(/) gives CO2(g) and H2O(l) Given that heat o...

    Text Solution

    |

  9. For the cell reaction 2Fe^(3+)(aq) + 2l^(-1) (aq) to 2Fe^(2+) (aq) +...

    Text Solution

    |

  10. Under isothermal condition, a gas at 300 K expands from 0.1 L to 0.25 ...

    Text Solution

    |

  11. In which case change in entropy is negative?

    Text Solution

    |

  12. For a cell involving one electron E(cell)^(0)=0.59V and 298K, the equi...

    Text Solution

    |

  13. The INCORRECT match in the following is

    Text Solution

    |

  14. During compression of a spring the work done is 10 kJ and 2 kJ escaped...

    Text Solution

    |

  15. Consider the given plot of enthalpy of the following reaction between ...

    Text Solution

    |

  16. The standard Gibbs energy for the given cell reaction in kJ mol^(-1) a...

    Text Solution

    |

  17. Among the following, the set of parameters that represents path functi...

    Text Solution

    |

  18. Which one of the following equations does not correctly represent the ...

    Text Solution

    |

  19. For silver, C(P)(J K^(-1)"mol"^(-1))=23+0.01T. If the temperature (T) ...

    Text Solution

    |

  20. 5 moles of an ideal gas at 100 K are allowed to undergo reversible com...

    Text Solution

    |