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In an exothermic reaction, the total ent...

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

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For an exothermic reaction

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

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

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.

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

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)

Dimerisation of NO_2, is an exothermic reaction. If enthalpy of reaction is /_\H, then the minimum value of activation energy for forward reaction (E_a) will be

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CENGAGE CHEMISTRY ENGLISH-THERMODYNAMICS-Exercises (Fill In The Blanks)
  1. While dealing with thermochemical reactions, the temperature and press...

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

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  3. The heat content of the products is more than that of the reactants in...

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  4. The standard molar enthalpy of a substance is the enthalpy of the subs...

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  5. The conventional standard molar enthalpy of an element in its stable s...

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  6. The heat released when the requisite amounts of iron in the gaseous st...

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  7. The products of combustion of hydrocarbon at 298 K are ……….. and ……………...

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  8. The products of combustion of hydrocarbon at 298 K are ……….. and ……………...

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  9. Which of the following reactions will have the value of enthalpy of ne...

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  10. The enthalpy of neutralisation of a weak acid is …………….. than that of ...

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  11. The enthalpy of fusion of KCl is…………..than that of naphthalene.

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  12. The enthalpy change of the reaction: CuSO(4)(s) +5H(2)O(l)rarr CuSO(...

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  13. The enthalpy change when 1mol of graphite is converted into diamond is...

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  14. The stable state of aggregation of carbon at 298K and 1atm pressure is...

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  15. The stable state of aggregation of sulphur at 298K and 1atm pressure i...

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  16. The part of the universe chosen for study of enegry changes is called ...

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  17. The energy stored within a substance is called its…………..

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  18. A reaction in which heat is absorbed is called an……………….

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  19. The enthalpy of elements in their standard states are taken as zero .T...

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  20. Why is heat of neutralisation for a strong acid and strong base consta...

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