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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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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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