Thermodynamics questions
1906 published questions with worked solutions.
- The bond dissociation energy is highest for
- Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Efficiency of a...
- A hypothetical gas expands adiabatically such that its volume changes from 08 litres to 27 litres. If the ratio of final pressure...
- Enthalpies of formation of CCl_4(g), H_2O(g), CO_2(g) and HCl(g) are –105, –242, –349 and –92 kJ mol^ -1 respectively. The...
- The enthalpy change for the conversion of 1 2 Cl_2(g) to Cl^-(aq) is (–) ____________kJ mol^ -1 (Nearest integer) Given : _ dis...
- Among the following, the state function(s) is(are)
- In a constant volume calorimeter, 3.5 g of a gas with molecular weight 28 was burnt in excess oxygen at 298.0 K. The temperature...
- Considering ideal gas behavior, the expansion work done (in kJ) when 144 g of water is electrolyzed completely under constant...
- Even Carnot engine cannot give 100% efficiency because we cannot
- If an endothermic reaction is non- spontaneous at freezing point of water and becomes feasible at its boiling point, then
- For the reactions, C + O_2 CO_2; H = -393 J 2Zn + O_2 2ZnO; H = -412 J
- "Heat cannot by itself flow from a body at lower temperature to a body at higher temperature" is a statement or consequence of
- A Carnot engine takes 3 10^6cal. of heat from a reservoir at 627^ , and gives it to a sink at 27^ . The work done by the engine is
- During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature. The ratio...
- The internal energy change when a system goes from state A to B is 40 kJ/mole. If the system goes from state A to B by a...
- If at 298 K the bond energies of C-H, C-C, C=C and H-H bonds are respectively 414, 347, 615 and 435 kJ mol^ -1 , the value of...
- In an irreversible process taking place at constant T and P and in which only pressure-volume work is being done, the change in...
- The enthalpy change for a reaction does not depend upon
- Which of the following statements is correct for any thermodynamic system?
- Two thermally insulated vessels 1 and 2 are filled with air at temperatures (T_1, T_2), volume (V_1, V_2) and pressure (P_1, P_2)...
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