Thermodynamics questions
1906 published questions with worked solutions.
- Which of the following mixing of 1M base and 1M acid leads to the largest increase in temperature?
- S(g) + 3 2 O_2(g) SO_3(g) + 2x kcal SO_2(g) + 1 2 O_2(g) SO_3(g) + y kcal The heat of formation of SO2(g) is given by :
- A Carnot engine (E) is working between two temperatures 473K and 273K. In a new system two engines – engine E_1 works between...
- The formation enthalpies, H_f^ for H_ (g) and O_ (g) are 220.0 and 250.0 kJ mol^ -1 , respectively, at 298.15 K, and H_f^ for...
- Consider the following data : Heat of formation of CO2(g) = –393.5 kJ mol⁻¹ Heat of formation of H2O(l) = –286.0 kJ mol⁻¹ Heat of...
- The workdone in an adiabatic change in an ideal gas depends upon only :
- Identify the characteristics of an adiabatic process in a monoatomic gas. (A) Internal energy is constant. (B) Work done in the...
- Arrange the following in order of magnitude of work done by the system/on the system at constant temperature. (a) |w_ reversible...
- In an adiabatic process, which of the following statements is true?
- A sample of n-octane (1.14 g) was completely burnt in excess of oxygen in a bomb calorimeter, whose heat capacity is 5 kJ K^ -1 ....
- During the melting of a slab of ice at 273 K at atmospheric pressure:
- A gas is kept in a container having walls which are thermally non-conducting. Initially the gas has a volume of 800 cm³ and...
- Given : H^ _ sub [C(graphite)] = 710 kJ mol⁻¹ _ C-H H^ = 414 kJmol⁻¹ _ H-H H^ = 436 kJmol⁻¹ _ C=C H^ = 611 kJmol⁻¹ The H_f^ for...
- Let us consider a reversible reaction at temperature, T. In this reaction, both ΔH and ΔS were observed to have positive values....
- A monoatomic gas having = 5 3 is stored in a thermally insulated container and the gas is suddenly compressed to ( 1 8 )^ th of...
- Consider the given data: (a) HCl(g) + 10 H_2O(l) HCl.10H_2O, H = -69.01 kJ mol^ -1 (b) HCl(g) + 40 H_2O(l) HCl.40H_2O, H = -72.79...
- The hydration energies of K⁺ and Cl⁻ are –x and –y kJ/mol respectively. If lattice energy of KCl is –z kJ/mol, then the heat of...
- For complete combustion of ethanol, C_2H_5OH(l) + 3O_2(g) 2CO_2(g) + 3H_2O(l) , the amount of heat produced as measured in bomb...
- The heats of combustion of carbon and carbon monoxide are –393.5 and –283.5 kJ mol^ -1 , respectively. The heat of formation (in...
- Given C_ (graphite) + O_2(g) CO_2(g) ; _rH^ = -393.5 kJ mol^ -1 H_2(g) + 1 2 O_2(g) H_2O(l) ; _rH^ = -285.8 kJ mol^ -1 CO_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