Thermodynamics questions
1906 published questions with worked solutions.
- For complete combustion of ethene, C_2H_4(g)+3O_2(g) 2CO_2(g)+2H_2O(l) the amount of heat produced as measured in bomb...
- Given below are two statements: Statement I: If heat is added to a system, its temperature must increase. Statement II: If...
- A gas is compressed adiabatically, which one of the following statement is NOT true?
- The number of endothermic process/es from the following is _______. A. I_2(g) 2I(g) B. HCl(g) H(g) + Cl(g) C. H_2O(l) H_2O(g) D....
- Consider two containers A and B containing monoatomic gases at the same Pressure (P), Volume (V) and Temperature (T). The gas in...
- The thermodynamic process, in which internal energy of the system remains constant is
- Solid fuel used in rocket is a mixture of Fe_2O_3 and Al (in ratio 1 : 2). The heat evolved (kJ) per gram of the mixture is _____...
- An engine operating between the boiling and freezing points of water will have A. Efficiency more than 27% B. Efficiency less...
- Identify the correct order of standard enthalpy of formation of sodium halides.
- What happens when methane undergoes combustion in systems A and B respectively? (System A: Adiabatic, System B: Diathermic...
- A_2+B_2 2AB, H_f = –200 KJ mol^ -1 AB, A_2 and B_2 are diatomic molecules. If the bond enthalpies of A_2, B_2 and AB are in the...
- A thermodynamic system is taken through a cyclic process. The total work done in the process is :
- 30.4 kJ of heat is required to melt one mole of sodium chloride and the entropy change at the melting point is 28.4 J K^ -1 mol^...
- 1 g of a liquid is converted to vapour at 3 10^5P_a pressure. If 10% of the heat supplied is used for increasing the volume by...
- For independent processes at 300 K [table: Process A: ΔH=-25,ΔS=-80; B: ΔH=-22,ΔS=40; C: ΔH=25,ΔS=-50; D: ΔH=22,ΔS=20] The number...
- Match List I with List II List-I: (A) Isothermal Process (B) Adiabatic Process (C) Isochoric Process (D) Isobaric Process...
- 28.0 L of CO_2 is produced on complete combustion of 16.8 L gaseous mixture of ethene and methane at 25°C and 1 atm. Heat evolved...
- A Carnot engine with efficiency 50% takes heat from a source at 600 K. In order to increase the efficiency to 70%, keeping the...
- Which of the following relations are correct ? (A) U = q + p V (B) G = H – T S (C) S= q_ rev T (D) H = U – nRT Choose the most...
- The correct order of hydration enthalpies is (A) K^+ (B) Rb^+ (C) Mg^ 2+ (D) Cs^+ (E) Ca^ 2+ Choose the correct answer from 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