Thermodynamics questions
1906 published questions with worked solutions.
- The enthalpies of combustion of carbon and carbon monoxide are −393.5 and −283 kJ mol^ -1 respectively. The enthalpy of formation...
- The soldiers of Napolean army while at Alps during freezing winter suffered a serious problem as regards to the tin buttons of...
- Consider the reaction: N_2 + 3H_2 2NH_3 carried out at constant temperature and pressure. If H and U are the enthalpy and...
- If the bond dissociation energies of XY, X_2 and Y_2 (all diatomic molecules) are in the ratio of 1:1:0.5 and _fH for the...
- For a spontaneous reaction the G, equilibrium constant (K) and E^ _ cell will be respectively
- The correct order of the thermal stability of hydrogen halides (H – X) is
- The work of 146 kJ is performed in order to compress one kilo mole of gas adiabatically and in this process the temperature of...
- The standard enthalpy of formation ( _fH^ ) at 298 K for methane, CH_4(g), is −74.8 kJ mol^ -1 . The additional information...
- An ideal gas is allowed to expand both reversibly and irreversibly in an isolated system. If T_i is the initial temperature and...
- The enthalpy changes for the following processes are listed below: Cl_2(g) = 2Cl(g), 242.3 kJ mol^ -1 ; I_2(g) = 2I(g), 151.0 kJ...
- Identify the correct statement regarding a spontaneous process
- In conversion of lime-stone to lime, CaCO_3(s) CaO(s) + CO_2(g) the vales of H^ and S^ are +179.1 kJ mol^ -1 and 160.2 J/K...
- The energies of activation for forward and reverse reactions for A_2 + B_2 2AB are 180 kJ mol^ -1 and 200 kJ mol^ -1...
- An insulated container of gas has two chambers separated by an insulating partition. One of the chambers has volume V_1 and...
- Oxidising power of chlorine in aqueous solution can be determined by the parameters indicated below: 12Cl_2(g) 12 _ diss H^ Cl(g)...
- Standard entropy of X_2, Y_2 and XY_3 are 60,40 and 50JK^ -1 mol^ -1 , respectively. For the reaction, 12X_2 + 32Y_2 XY_3, H =...
- Assuming the gas to be ideal the work done on the gas in taking it from A to B is
- The work done on the gas in taking it from D to A is
- The net work done on the gas in the cycle ABCDA is
- On the basis of the following thermochemical data: ( fG^ H^+_ (aq) = 0 ) H_2O( ) H^+(aq) + OH^-(aq); H = 57.32 kJ H_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