Thermodynamics questions
1906 published questions with worked solutions.
- The correct thermodynamic conditions for the spontaneous reaction at all temperatures is:
- Which one of the following orders is correct for the bond dissociation enthalpy of halogen molecules?
- A Carnot engine having an efficiency of 1 10 as heat engine, is used as a refrigerator. If the work done on the system is 10 J,...
- For a given reaction, H = 35.5 kJ mol ^ -1 and S = 83.6 JK ^ -1 mol ^ -1 . The reaction is spontaneous at : (Assume that H and S...
- The efficiency of an ideal heat engine working between the freezing point and boiling point of water, is
- The bond dissociation energies of X _2, Y _2 and XY are in the ratio of 1 : 0.5 : 1. H for the formation of XY is -200 kJ mol ^...
- In which of the following processes, heat is neither absorbed nor released by a system?
- In an isobaric process
- The first operation involved in a carnot cycle is
- Identify a compound having highest thermal stability
- Calculate enthalpy change for following reaction. H _2 C = CH _ 2(g) + H _ 2(g) H _3 C - CH _ 3(g) [The bond energy of C-H, C-C,...
- One mole of an ideal gas at initial temperature of 'T' K does '6R' of work adiabatically. If the ratio of specific heats of this...
- In a process 605 J heat is absorbed by the system and 380 J work is done by the system on surrounding. What is the value of U ?
- A diatomic gas undergoes adiabatic change. Its pressure P and temperature T are related as P T^x where the value of x is
- A monoatomic gas is heated at constant pressure. The percentage of total heat used for doing external work is
- Find the value of Q from following equations. (i) C_ (s) + O_ 2(g) CO_ 2(g) H = Q kJ (ii) C_ (s) + 1 2 O_ 2(g) CO_ (g) H = -x kJ...
- Identify the correct decreasing order of thermal stability from following.
- Given that C_ (g) + 4H_ (g) CH_ 4(g) H^0 = -1665 kJ What is bond energy per mole of C-H bond?
- There are two samples A and B of a certain gas, which are initially at the same temperature and pressure. Both are compressed...
- A diatomic ideal gas is used in Carnot engine as a working substance. If during the adiabatic expansion part of the cycle, the...
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