Thermodynamics questions
1906 published questions with worked solutions.
- The value of H for the combustion of C_ (s) is -94.0 kcal. Find the value of formation of CO_2 (g).
- Which of the following conditions guarantee that a reaction is spontaneous at constant T and P?
- The value of bond energies ( kJ ,mol^ -1 ) of N - N, N = N, N N are respectively :
- For the combustion of 1 mole of n-octane C_8H_ 18(l) producing carbon dioxide and water vapour at 25^
- A gas does 0.320 kJ of work on its surroundings and absorbs 120 J of heat from surroundings. Hence, U is
- In a reaction, if the heat content of product is more than that of reactant, the reaction is
- Heat of formation of H_2O_ (g) at 25^ is -243 kJ. U for the reaction H_ 2(g) + 12 O_ 2(g) H_2O_ (g) at 25^ is
- Molar Heat capacity is
- The heat evolved in the following reaction 2H_2(g) + O_2(g) 2H_2O(l) , H = -484 kJ to produce 9 g of water is
- The heat change in a chemical reaction at constant pressure is given by
- In the reaction, H_ 2(g) + Cl_ 2(g) 2HCl_ (g) , H = -184 kJ, if 2 moles of H_2 react with 2 moles of Cl_2 , then U is equal to
- Calculate the heat of reaction at 298K for the reaction C_2H_4 + H_ 2(g) C_2H_ 6(g) . Given that the heats of combustion of...
- The value of heat of neutralisation is highest in
- The bond energy of C - H bond in CH_4 from the following data : C_ (g) + 4H_ (g) CH_ 4(g) ; H = -398.7 kcal is about
- The heat of neutralization of one mole of a strong acid (in dilute solution) with one mole of a strong base is
- For an ideal gas the relationship between internal energy change U and enthalpy change H is
- The heat of combustion of carbon is 394 kJ ,mol^ -1 . The heat evolved in combustion of 6.023 10^ 21 atoms of carbon is
- The heats of combustion of yellow phosphorus and red phosphorus are -9.91 kJ and -8.78 kJ respectively. The heat of transition of...
- Enthalpy of a compound is equal to its
- The difference between heats of reaction at constant pressure and constant volume for the reaction : 2C_6H_ 6(l) + 15O_ 2(g)...
Other chapters
Alcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAlternating CurrentAminesAnatomy of Flowering PlantsAncient Indian HistoryAnimal KingdomApplication of DerivativesArea Under CurveAromatic Compounds and Aryl HalidesAtomsBasic Mathematics and LogarithmBinomial TheoremBiodiversity and ConservationBiological ClassificationBiomoleculesBiotechnology and Its ApplicationsBiotechnology: Principles and ProcessesBody Fluids and CirculationBreathing and Exchange of GasesCell Cycle and Cell DivisionCell: The Unit of LifeChemical Bonding and Molecular StructureChemical Coordination and Integration