Home
Class 12
CHEMISTRY
Internal energy is a property of a syste...

Internal energy is a property of a system, but heat is not- explain.

Promotional Banner

Topper's Solved these Questions

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise LONG TYPE QUESTIONS|37 Videos

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise Numerical Problems|47 Videos

  • CHEMICAL THERMODYNAMICS

    CHHAYA PUBLICATION|Exercise FILL IN THE BLANKS|23 Videos

  • CHEMICAL KINETICS

    CHHAYA PUBLICATION|Exercise EXERCISE (NUMERICAL PROBLEMS)|37 Videos

  • CHEMISTRY IN EVERYDAY LIFE

    CHHAYA PUBLICATION|Exercise PRACTICE SET 15|15 Videos

Similar Questions

Explore conceptually related problems

Internal energy does not include

Change in internal energy of a system is

Which is an intensive property of a system

Which is an intensive property of a system-

Is the internal energy of a system at 25^(@)C greater or less than its internal energy at 50^(@)C ?

In a process, if dU, dW and dQ are change in internal energy, work done and heat accepted respectively for a system, what is the relation between dU , dQ and dW?

Total heat content of a system is

Why is the internal energy of a system a state function?

(i) Show that heat of reaction at constant volume is equal to the change in internal energy of the system. (ii) Show that heat of reaction at constant pressure is equal to the change in enthalpy of the system.

When a bomb calorimeter is used to determine the heat of reaction, which property of the system under investigation is most likely to remain constant ?

CHHAYA PUBLICATION-CHEMICAL THERMODYNAMICS-SHORT TYPE QUESTIONS
  1. Why is the sudden expansion or compression of a gas considered to be a...

    Text Solution

    |

  2. Give thermodynamic definition of heat and work.

    Text Solution

    |

  3. Internal energy is a property of a system, but heat is not- explain.

    Text Solution

    |

  4. Show that both heat and work are path dependent quantities.

    Text Solution

    |

  5. Why does the internal enegy of a system increases with rise in tempera...

    Text Solution

    |

  6. What does pressure-volume work mean? Why is it considered that work do...

    Text Solution

    |

  7. Show that for an ideal gas the difference between the molar heat capac...

    Text Solution

    |

  8. In case of a solid or a liquid substance C(P,m)~~C(V,m), but in case o...

    Text Solution

    |

  9. For liquid ethanol at 25^(@)C,DeltaH(f)^(0)=-277.69kJ*mol^(-1). Repres...

    Text Solution

    |

  10. Reaction enthalpy for an exothermic reaction is negative- why?

    Text Solution

    |

  11. For which of the following reactions does the standard enthalpy of rea...

    Text Solution

    |

  12. Given: C(graphite, s)+O(2)(g)toCO(2)(g),DeltaH^(0)=x(1) C(graphite, ...

    Text Solution

    |

  13. At 25^(@)C,DeltaH(f)^(0)=0 for graphite, but for diamond DeltaH(f)^(0)...

    Text Solution

    |

  14. Mention two applications of Hess's law.

    Text Solution

    |

  15. "At 25^(@)C, the standard heat of combustion of graphite is -94300cal*...

    Text Solution

    |

  16. "At 25^(@)C, the standard heat of formation of H(2)O(l) is -285.83kJ*m...

    Text Solution

    |

  17. (1)/(2)A(2)(g)+(1)/(2)B(2)(g)toAB(g),DeltaH=-50kcal. If the bond energ...

    Text Solution

    |

  18. C(s)+(1)/(2)O(2)(g)toCO(g),DeltaH=-110.4kJ. Does this DeltaH represent...

    Text Solution

    |

  19. Give two examples of spontaneous process.

    Text Solution

    |

  20. When an adiabatic process is said to be an isoentropic process ?

    Text Solution

    |