Thermodynamics questions
1906 published questions with worked solutions.
- The heat changes for the reaction C(s) + 2S(s) CS_2(l) is known as
- One gram atom of graphite and one gram atom of diamond were separately burnt to carbon dioxide. The amount of heat liberated were...
- Heat of reaction between sodium hydroxide and hydrochloric acid is -57.32 kJ ,mol^ -1 , so heat of dissociation of water is
- Which has maximum calorific value?
- The enthalpy of formation of compounds A, B, C and D are -94.00, +34.00, +7.00 and -12.00 kcal per mole respectively. The correct...
- Heat of fusion is defined as :
- A system absorbs 10 kJ of heat at constant volume and its temperature rises from 27^ C to 37^ C . The value of U is
- Heat of reaction
- Molar heat capacities of vapour and liquid state of a substance are 38.07 and 63.17 JK^ -1 respectively. If the latent heat of...
- Which of the following statements is true? The entropy of the universe
- The entropy of a perfectly crystalline solid at absolute zero is
- Evaluate the entropy change in the vaporization of 36 gm water at 373 K. ( H_ vap = 40.63 kJ ,mol^ -1 )
- At 0 K, the entropy of a perfectly crystalline substance is
- If an endothermic reaction is non-spontaneous at freezing point of water and becomes feasible at its boiling point, then
- S^0 will be highest for the reaction
- A spontaneous process is defined as a process which
- 1 mole of ice is converted to liquid at 273 k ; H_2O(s) and H_2O(l) have entropies 38.20 and 60.03 J ,mol^ -1 ,deg^ -1 . Entropy...
- A system changes from state A to state B along two different paths I and II. The heat absorbed and work done by the system along...
- For 2A(g) A_2(g) H and S are :
- H_2(g) + Cl_2(g) 2HCl(g) ; H = -44 kcal 2Na(s) + 2HCl(g) 2NaCl(s) + H_2(g) ; H = -152 kcal 2Na(s) + Cl_2(g) 2NaCl(s) , H = ?
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