Thermodynamics questions
1906 published questions with worked solutions.
- Which element from following exhibits highest number of allotropes?
- Calculate for following reaction, at 25^0C. NH_2CN_ (g) + 3 2 O_ 2(g) N_ 2(g) + CO_ 2(g) + H_2O(l) ( = -740.5 kJ, R = 8.314 J K^...
- In a cyclic process, work done by the system is
- For a reaction to be spontaneous at all temperatures, the values of enthalpy change and entropy change should be
- For a certain reaction, H^0 is -345 kJ and S^0 is -123 JK^ -1 . At what temperature the change over from spontaneous to non...
- In thermodynamic isobaric process
- Which of the following properties of a system depends upon the amount of matter and path?
- Which of the following processes has S negative
- C_2H_5OH(l) + 3O_2(g) 2CO_2(g) + 3H_2O(l) The value of enthalpy change ( H) for above reaction at 27^ o C is -1366.5 kJ mol^ -1 ....
- A monoatomic ideal gas, initially at temperature T_1 is enclosed in a cylinder fitted frictionless piston. The gas is allowed to...
- The ratio of work done by an ideal rigid diatomic gas to the heat supplied by the gas in an isobaric process is
- Calculate the value of G for the following reaction. N_2O_ 4(g) 2NO_ 2(g) if H = 57.44 kJ and S = 176 ,JK^ -1 mol^ -1
- Under similar conditions enthalpy of freezing is exactly opposite to
- 100 ml of H_ 2(g) and 100 ml Cl_ 2(g) were allowed to react at 1 bar pressure as H_ 2(g) + Cl_ 2(g) 2HCl_ (g) What will be the PV...
- Calculate the enthalpy change when 6 g. CO(g) reacts with sufficient NO_2(g) according to the following reaction 4 ,CO(g) + 2...
- An ideal gas at 27^0C is compressed adiabatically to ( 8 27 ) of its original volume. If =5/3 then the rise in temperature of a...
- In a particular reaction, 4 kJ heat is released by the system and 12 kJ work done on the system. Calculate the H and U.
- What is the change in entropy of surrounding for the reaction, H_ 2(g) + 1 2 O_ 2(g) H_2O_ (l) at 298 K if standard enthalpy of...
- The first operation involved in a Carnot cycle is
- Calculate standard internal energy change for OF_ 2(g) + H_2O_ (g) 2HF_ (g) + O_ 2(g) at 300 K, if _f H^ 0 of OF_ 2(g) , H_2O_...
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