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The first law of thermodynamics is not a...

The first law of thermodynamics is not adequate in predicting the direction of a process.`(True"/"False)`

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Knowledge Check

  • The first law of thermodynamics is a statement of :

    A
    conservation of heat
    B
    conservation of work
    C
    conservation of momentum
    D
    conservation of energy

  • First law of thermodynamics states that

    A
    system can do work
    B
    system has temperature
    C
    system has pressure
    D
    heat is form of enrgy

  • First Law of Thermodynamics leads to

    A
    Conservation of mass,
    B
    Conservation of linear momentum,
    C
    Conservation of energy,
    D
    Conservation of angular momentum.
    • CENGAGE CHEMISTRY-THERMODYNAMICS-Exercises (True/False)
    1. The first law of thermodynamics is not adequate in predicting the dire...

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    2. In an exothermic reaction, the total enthalpy of products is greater t...

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    3. In an endothermic reaction, the total enthalpy of products is greater ...

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    4. The standard enthalpy of diamond is zero at 298K and 1 atm pressure.

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    5. The standard enthalpy of Br(2)(g) is taken to be zero at standard cond...

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    6. The magnitude of enthalpy of neutralisation of a weak acid is smaller ...

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    7. In the relation DeltaH = DeltaU + (Deltan(g))RT the units of Deltan(g)...

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    8. The terms bond enthalpy and bond dissociation enthalpy stand for one a...

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    9. At 298K, the enthalpy of combustion of CH(4) corresponds to the reacti...

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    10. For an exothermic reaction, DeltaH is positive.

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    11. For an edothemic reaction, DeltaH is positive.

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    12. Calorific value of fat

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    13. It is possible to calculate the value of DeltaH for the reaction H(2...

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    14. The enthalpy of combustion of dimond and enthalpy of formation of carb...

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    15. The SI unit of heat is 'calorie'.

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    16. Can we measure the absolute value of internal enegry?

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    17. w is positive when the work is done on the system.

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    18. Heat of combustion is the amount of heat evolved when the number of mo...

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    19. The heat of neutralisation of HCI with NaOH is same as that of HNO(3) ...

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    20. The heat of neutralisation becomes large if either the acid or the bas...

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