Thermodynamics questions
1906 published questions with worked solutions.
- In exothermic reactions
- Thermo chemistry is the study of relationship between heat energy and
- In the reaction C(s)+O_2(g) CO_2(g) ; H=-94.3 kcal
- Which of the following values of heat of formation indicates that the product is least stable?
- In a thermal decomposition reaction, sign of H
- Which of the following is an exothermic reaction?
- For exothermic reaction to be spontaneous in nature :
- Calorific values of good and fuel are determined by
- Enthalpy of an element in its standard state at 298 K is
- The factor which does not influence the heat of reaction is
- Which one is the following bonds has the highest average bond energy (kcal/mole)?
- If _fH^0 for H_2O_2 and H_2O are -188 and -286 kJ mol^ -1 respectively, what will be the enthalpy change for the reaction :...
- Heat of formation, _fH^0 of an explosive compound like NCl_3 is
- The heat of formation of ammonia at 25^ C is -47 kJ . The correct equation which represents this value is :
- The bond energy of C-H bond in CH_4 from the following data : C(s)+4H(g) CH_4(g) ; H=-1398 kcal is about
- The bond energy of a O-H bond is 109 kcal ,mol^ -1 when a mole of water is formed
- The standard heat of formation of ethane, CO_2 and H_2O( l ) are -21.1, -94.1 and -68.3 kcal respectively. The standard heat of...
- In exothermic reaction the products are
- The heat of formation of Fe_2O_3(s) is -824.2 kJ ,mol^ -1 , H for the reaction 2Fe_2O_3(s) 4Fe(s)+3O_2(g) is :
- In the dissociation of CH_4(g)
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