Thermodynamics questions
1906 published questions with worked solutions.
- In a fuel cell methanol is used as fuel and oxygen gas is used as an oxidizer. The reaction is CH_3OH( ) + 32O_2(g) CO_2(g) +...
- A diatomic ideal gas is used in a Car engine as the working substance. If during the adiabatic expansion part of the cycle,...
- The standard enthalpy of formation of NH_3 is −46.0 kJ mol^ -1 . If the enthalpy of formation of H_2 from its atoms is −436 kJ...
- The energy required to break one mole of Cl − Cl bonds in Cl_2 is 242 kJ mol^ -1 . The longest wavelength of light capable of...
- For a particular reversible reaction at temperature T, ΔH and ΔS were found to be both +ve. If T_e is the temperature at...
- A Carnot engine operating between temperatures T_1 and T_2 has efficiency 16. When T_2 is lowered by 62 K, its efficiency...
- The entropy change involved in the isothermal reversible expansion of 2 moles of an ideal gas from a volume of 10dm^3 to a volume...
- A single substance that exists in two or more forms is called
- A single substance that exists in two or more forms is called.
- Value of heat of fusion of NaCl is _____
- Which of the following is not reversible ?
- If the cold junction of thermocouple is lowered, then the neutral temperature
- Thermo emf produced in a thermocouple depends on the difference in
- A thermocouple can be used to measure rapidly changing temperature because it has
- Thermocouple is an arrangement of two different metals to convert
- Which of the following thermocouple produces the maximum thermo e. m. f. for the same temperature difference between hot and cold...
- Thermocouple is an arrangement of two different metals to convert
- Which of following requires maximum energy to undergo decomposition?
- Bond energy of H - H, F - F and H - F bonds are 104, 38 and 135 kcal mol^ -1 , respectively. The resonance energy in the H - F...
- What is standard N N bond enthalpy from following reaction, N_2(g) + 3H_2(g) 2NH_3(g) ; H^ = -83 kJ ( H^ ( H-H ) = 435 kJ ; H^ (...
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