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Choose the correct answer. A thermodynam...

Choose the correct answer. A thermodynamic state function is a quantity

A

used to determine heat changes

B

whose value is independent of path

C

used to detemine pressure volume work

D

whose value depends on temperature only

Text Solution

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The correct Answer is:
b
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Knowledge Check

  • A thermodynamics state function is a quantity

    A
    Used to determine heat changes
    B
    Whose value is independent of path
    C
    Used to determine pressure volume work
    D
    Whose value depends on temperature only

  • A thermodynamics state function is a quantity

    A
    used to determine heat changes
    B
    whose value is independent of path
    C
    used to determine pressure volume work
    D
    whose value depends on temperature only

  • Choose the correct answer : In an ecosystem :

    A
    Movement of energy is unidirectional
    B
    Energy cycling is an independent process
    C
    Energy cycling and nutrient cycling a coupled process
    D
    Micro and macronutrients cycle at same pace
    • CENGAGE CHEMISTRY-NCERT BASED EXERCISE-Thermodynamics
    1. Choose the correct answer. A thermodynamic state function is a quantit...

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    2. For the process to occur under adiabatic conditions, the correct condi...

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    3. The ethnalpies of all element in their states are:

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    4. DeltaU^(Θ) of combustion of methane is -XkJ mol^(-1). The value of Del...

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    5. The enthalpy of combustion of methane, graphite and dihydrogen at 298 ...

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

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    7. In a process, 701 J of heat is obsorbed by a system and 394 J of work ...

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    8. The reaction of cyanamide, NH(2)CN(s), with dioxygen was carried out i...

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    9. Calculate the number of kJ of heat necessary to raise the temperature ...

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    10. The enthalpy change on freezing of 1 mol of water at 5^(@)C to ice at...

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    11. Enthalpy of combustion of carbon to CO(2) is -393.5 kJ mol^(-1). Calcu...

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    12. Find the value of Delta(f) H^(@) for the reaction N(2) O(4) (g) + 3 ...

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    13. Given N(2)(g)+3H(2)(g)=2NH(3)(g),DeltaH^(@)=-22 kcal. The standard e...

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    14. Calculate the standard enthalpy of formation of CH(3)OH(l) from the fo...

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    15. Calculate the enthalpy change for the process C Cl(4)(g) rarr C(g)+4...

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    16. For an isolated system, DeltaU=0. What will be the value of DeltaS?

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    17. For the reaction at 298 K 2A+B rarr C DeltaH=400 kJ mol^(-1) and D...

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    18. For the reaction 2Cl(g) rarr Cl(2)(g), what are the signs of DeltaH ...

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    19. For the reaction, 2A(g)+B(g) rarr 2D(g) DeltaU^(Θ)=-10.5 kJ and De...

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    20. The equilibrium constant for a reaction is 10. What will be the value ...

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