Unive 11,2016. Instru lUl elemental dent. April Concept reaction that is involve

Question

Unive 11,2016. Instru lUl elemental dent. April Concept reaction that is involve in the reaction of phase changes only (B) Terms (A) Heat of compound compositions Molecular structure species of tempe in do rature Different energies transition, chemical composition behave transfer Gas mixture of constant Standard enthalpies are a function product at their and standard state and temperature Idea gases are Cv for Water Exothermic molecular structure Pure gases Determined by products have different and Clapeyron equation Combustion reactions of hydrocarbon dioxide and unds whi carbon heat transfer mathematical model is used to temperature and transition at based on Temperature Heat of reaction Combustion reactions of hydrocarbon in air can be consider Sensible heat Heat of formation as

Explanation / Answer

ans ) 1) heat of formation    : it follows definition   like heat of areaction involves in the reaction of elemental

   species of compound .

     2)        stndard enthalpies are a function of              :     temperatures

   3)      clapeyron eq   :   heat transfer due temperature changes only without phase transition,chemical compositions

4)   water   : combustion reactions produce two compounds they are CO2& H2O.

5)    exothermic : combustion reactions of hydrocarbons in air

   6)   different energies   :   reactants & products have different molecular structures

7)    heat of reaction   : enthalpy change with reactants &products at their standard states.

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