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In an endothermic reaction, the total en...

In an endothermic reaction, the total enthalpy of reactant is………………than that of products.

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In an exothermic reaction, the total enthalpy of reactant is ………….than that of products.

In endothermic reactions,

In an endothermic reaction, the total enthalpy of products is greater than that of reactants.

In an exothermic reaction, the total enthalpy of products is greater than that of reactants.

In an endothermic reaction, the value of DeltaH is

Assertions: In an exothermic reaction ,a greater yield of products can be obtained by lowering the temperature. Reason: In an exothermic reactions , the heat constant of reactants is greater than that of the products.

For an endothermic reaction to be spontaneous

A: Delta H is positive for endothermic reactions. R : If total enthalpies of reactants and products are H_(R) & H_(P) respectively then for an endothermic reaction H_(R) lt H_(P)

In exoergic reaction, the total mass of products is ……………………….. than the total mass of reactants.

While dealing with thermochemical reactions, the temperature and pressure of a reactant must be…………as those of products.

CENGAGE CHEMISTRY ENGLISH-THERMODYNAMICS-Exercises (Fill In The Blanks)
  1. An endothermic process is non-spontaneous at some temperature . It ca...

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  2. Coal and petrolem are called……………..fuels.

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  3. In an endothermic reaction, the total enthalpy of reactant is………………tha...

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  4. H(2)(g)+(1)/(2)O(2)(g)rarrH(2)O(l), DeltaH =- 286 kJ 2H(2)(g)+O(2)(g...

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  5. C(4)H(10)+(13)/(2)O(2)(g)rarr4CO(2)(g)+5H(2)O(l), DeltaH =- 2878 kJ ...

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  6. HCI +NaOH rarr NaCI +H(2)O, DeltaH =- 57.1 kJ mol^(-1) DeltaH is the...

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  7. C(s) to C(g) , DeltaH = 716.7 kJ DeltaH is the heat of …………… of gr...

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  8. C(s) to C(g) , DeltaH = 716.7 kJ DeltaH is the heat of …………… of gr...

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  9. H(2)O(s) rarr H(2)O(l), DeltaH = 6.01 kJ DeltaH is the heat of ……………...

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  10. H(2)O(l) rarr H(2)O(s), DeltaH =- 6.01 kJ DeltaH is the heat of …………...

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  11. H(2)O(l) rarr H(2)O(g), DeltaH = +40.7 kJ DeltaH is the heat of …………...

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  12. H(2)O(g) rarr H(2)O(l), DeltaH =- 40.7 kJ DeltaH is the heat of……………...

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  13. What is the sign convention for heat ?

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  14. A system is……………..if it cannot exchange matter and energy with the sur...

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  15. The entropy of gases is always……………….than that of liquids.

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  16. Heat of reaction at constant pressure is………….. .

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  17. A bomb calorimeter is used to measure the value of……………….at constant……...

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  18. Delta^(Theta)G(standard free energy change) is free energy change for ...

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  19. H(2)(g)+Br(2)(g) rarr 2HBr(g), DeltaH^(Theta) =-72.40 kJ DeltaG^(The...

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  20. If DeltaS is ………………..the reaction does not proceed in the forward dire...

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