Home
Class 11
CHEMISTRY
Energy can transfer from system to surro...

Energy can transfer from system to surroundings as work if

A

There is thermal equilibrium between system and surrounding.

B

There is mechanical equilibrium between system and surrounding.

C

If pressure of system is greater than atmospheric pressure.

D

None of these.

Text Solution

Verified by Experts

`w = P_(ex)(DeltaV)`
Promotional Banner

Topper's Solved these Questions

  • THERMODYNAMICS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises (Assertion-Reasoning)|23 Videos

  • THERMODYNAMICS

    CENGAGE CHEMISTRY ENGLISH|Exercise Exercises (Interger)|10 Videos

  • THERMODYNAMICS

    CENGAGE CHEMISTRY ENGLISH|Exercise Multiple correct Answer Type|2 Videos

  • STOICHIOMETRY

    CENGAGE CHEMISTRY ENGLISH|Exercise Archives Subjective|33 Videos

Similar Questions

Explore conceptually related problems

Energy transfer is cyclic

Assign the proper sign to q and w in the following cases : 15 kJ of energy is transferred to the system by doing work on it.

System and surroundings together constitute

State whther each of the following will increase or decreases the total enegry content of the system: a. Heat transferred to the surroundings b. Work done on the system. c. Work done by the system.

In a certain chemical process, a lab technician supplies 254 J of heat to a system. At the same time, 73 J of work are done on the system by its surroundings. What is the increase in the internal energy of the system?

Heat transferred from surroundings to the system will increase or decrease the total energy content of the system.

During a process, the internal energy of the system increases by 240kJ while the system performed 90 kJ of work on its surroundings. How much heat was transferred between the system and the surroundings during this process. In which direction did the heat flow?

A system transfers 20 kJ of heat to the surroundings. Write the value of q for both the system and surroundings.

A thermally isolated gaseous system can exchange energy with the surroundings. The mode of energy may be

Increase in enthalpy of the surroundings is equal to decrease in enthalpy of the system. Will the temperature of system and surroundings be the same when they are in thermal equilibrium ?

CENGAGE CHEMISTRY ENGLISH-THERMODYNAMICS-Exercises (Single Correct)
  1. i. At absolute zero the entropy of a perfect crystal is zero. This sta...

    Text Solution

    |

  2. In which of the following process DeltaH and DeltaU are of same magnit...

    Text Solution

    |

  3. Energy can transfer from system to surroundings as work if

    Text Solution

    |

  4. The state of equilibrium refers to

    Text Solution

    |

  5. For hypothetical reversible reaction 1//2A(2)(g) +3//2B(2)(g) rarr A...

    Text Solution

    |

  6. If values of Delta(f)H^(Theta) of ICl(g),Cl(g), and I(g) are, respecti...

    Text Solution

    |

  7. If S+O(2)toSO(2),DeltaH=-298.2 " kJ" " mole"^(-1) SO(2)+(1)/(2)O(2)t...

    Text Solution

    |

  8. Under which of the following condition is the relation DeltaH = DeltaU...

    Text Solution

    |

  9. Evaporation of water is

    Text Solution

    |

  10. Which of the following reaction is endothermic?

    Text Solution

    |

  11. Which of the following is an endothermic reaction?

    Text Solution

    |

  12. Calculate heat of formation of KOH(s) using the following equations ...

    Text Solution

    |

  13. Since the enthalpy of elements in their natural state is taken to be z...

    Text Solution

    |

  14. A reaction A +B rarr C+D +q is found to have a positive entropy change...

    Text Solution

    |

  15. Molar heat capacity of water in equilibrium with the ice at constant p...

    Text Solution

    |

  16. Standard molar enthalpy of formation of CO(2) is equal to :

    Text Solution

    |

  17. A process is called reversible when

    Text Solution

    |

  18. Which one of the following statements is false?

    Text Solution

    |

  19. Identify intensive property from the following

    Text Solution

    |

  20. The product of combustion of an aliphatic thiol (RSH) at 298K are :

    Text Solution

    |