Home
Class 11
PHYSICS
A student records Delta Q, Delta U and D...

A student records `Delta Q, Delta U` and `Delta W` for a thermodynamic cycle `A rarr B rarr C rarrA`. Certain entries are missing. Find correct entry in following options.

A

`W_(BC)=-70J`

B

`Delta Q_(CA)=130J`

C

`Delta U_(AB)=190 J`

D

`Delta U_(CA)=-160J`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEM

    DC PANDEY ENGLISH|Exercise Only One Option is Correct|27 Videos
  • ELASTICITY

    DC PANDEY ENGLISH|Exercise Medical entrances s gallery|21 Videos

Similar Questions

Explore conceptually related problems

Calculate w, q, Delta H and Delta U for an ideal gas expanding in vaccum isothermally

A fixed mass of gas is taken through a process A rarr B rarr C rarrA . Here A rarr B is isobaric, B rarr C is adiabatic and C rarr A is isothermal. Find pressure at C .

A fixed mass of gas is taken through a process A rarr B rarr C rarrA . Here A rarr B is isobaric, B rarr C is adiabatic and C rarr A is isothermal. Find volume at C .

For the reaction, A(s) + 3B(g) rarr 4C(g) + d(l) Delta H and Delta U are related as :

If DeltaU and Delta W represent the increase in internal energy and work done by the system resectively in a thermodynamical process, which of the following is true?

An ideal gas is undergoing a cyclic thermodynamic process in different ways as shown in the corresponding P-V diagrams in column 3 of the table. Consider only the path from state 1 to state 2. W denotes the corresponding work done on the system. The equations and plots in the table have standard notations as used in thermodynamic process. Here is the ratio of heat capacities at constant pressure and constant volume. The number of moles in the gas in n. Which of the following options is the only correct representation of a process in which Delta U = Delta Q - P Delta V ?

Following figure shows two process A and B for a gas. If Delta Q_(A) and Delta Q_(B) are the amount of heat absorbed by the system in two case, and Delta U_(A) and Delta U_(B) are changes in internal energies, respectively, then :

Following figure shows two process A and B for a gas. If Delta Q_(A) and Delta Q_(B) are the amount of heat absorbed by the system in two case, and Delta U_(A) and Delta U_(B) are changes in internal energies, respectively, then :

If for the reaction [2A(I) rarr 4B(g)] delta U and deltaS respectively are 1.2 kcal and 10 cal K^-1 at 300 K then delta G for the reaction is

Compare the formula C_p - C_v = R for an ideal gas with the thermodynamics relation Delta U = Delta Q - P Delta V .

DC PANDEY ENGLISH-CURRENT ELECTRICITY-All Questions
  1. Two identical beakers with negligible thermal expansion are filled wit...

    Text Solution

    |

  2. A process is shown in the diagram. Which of the following curves may r...

    Text Solution

    |

  3. A student records Delta Q, Delta U and Delta W for a thermodynamic cyc...

    Text Solution

    |

  4. Two rods of different materials are placed between massive walls as sh...

    Text Solution

    |

  5. Two metal rods X and Y having equal cross-sectional areas are joined i...

    Text Solution

    |

  6. The graph below shows V-p curve for three processes. Choose the correc...

    Text Solution

    |

  7. One mole of an ideal gas undergoes a process such that P prop (1)/(T)....

    Text Solution

    |

  8. One mole of an ideal monoatomic gas is taken through a cyclic process ...

    Text Solution

    |

  9. Figure (Five straight line numbered 1, 2, 3, 4 and 5) shows graph of c...

    Text Solution

    |

  10. Two identical objects A and B (emissivity e(A) and e(B),e(A)ne e(B)) a...

    Text Solution

    |

  11. n mole of an ideal gas undergo an isothernal process at temperature T....

    Text Solution

    |

  12. Five rods of same material and same cross-section are joined as shown....

    Text Solution

    |

  13. Five rods of same material and same cross-section are joined as shown....

    Text Solution

    |

  14. graph of an ideal gas is as shown in figure. Work done by the ga...

    Text Solution

    |

  15. graph of an ideal gas is as shown in figure. Heat is supplied to ...

    Text Solution

    |

  16. Two moles of a monoatomic gas are taken from a to c, via three paths a...

    Text Solution

    |

  17. Two moles of a monoatomic gas are taken from a to c, via three paths a...

    Text Solution

    |

  18. The internal energy of a gas is given by U = 3 pV. It expands from V(0...

    Text Solution

    |

  19. The internal energy of a gas is given by U = 3 pV. It expands from V(0...

    Text Solution

    |

  20. A certain amount of ice is supplied heat at a constant rate for 7 min....

    Text Solution

    |