Thermodynamics questions
1906 published questions with worked solutions.
- The enthalpy changes of some processes are given below: -D-glucose(s)+H_2O -D-glucose(aq); Heat of dissolution =10.84 kJ...
- The combustion of 5.0 g of coke raised the temperature of 1.0 g of water from 10°C to 55°C. If specific heat of water is 1 cal/g,...
- 10 mL of a strong acid (HA) on mixing with 10 mL of strong alkali (BOH) at the same temperature shows a temperature rise of 4°C....
- Heat of solution of anhydrous CuSO_4 is -15.9 kcal and heat of hydration of anhydrous CuSO_4 is -18.9 kcal. The heat of solution...
- The enthalpy change involved in the oxidation of glucose is -2880 kJ ,mol^ -1 . 25% of this energy is available for muscular...
- Heat of combustion of a fuel of molecular weight 86 is 688 kJ/mole. The calorific value of the fuel is … kJ/g
- Among the following, how many properties are path functions? P, V, H, Q, W, Q+W, S, H-TS
- Two moles of CO and one mole of O_2 react in a closed container of volume one litre to form 2 moles of CO_2 at a constant...
- 56 g of iron reacts with HCl in an open beaker at 25°C. What is the work done by the liberated gas in kJ?
- What is the value (in kJ) of the molar free energy change ( G) of water in equilibrium with ice at constant pressure?
- The enthalpy of fusion of I_2(s) is 16 KJ/mol and that of sublimation is 57 KJ/mol. What is the enthalpy of vapourisation of...
- H_2(g)+ 12O_2(g) H_2O(l); H at 25°C =-286 KJ. The molar enthalpy of vapourisation of water at 1 atm and 25°C is 44 KJ. Find the...
- C(diamond) C(graphite); H=-1.89 KJ/mol. What is the difference in liberated heat (KJ) when 24 g of diamond and 24 g of graphite...
- If 150 cal of heat is added to a system while the system does work equivalent to 200 cal by expanding against the surroundings,...
- The value of ( H- U) for the following reaction, 2C_6H_6(l)+15O_2(g) 12CO_2(g)+6H_2O(l) at 25°C, in kJ, is ________.
- Bond enthalpy of H─H bond is 104 kcal ,mol^ -1 . Energy required to dissociate 0.20 g of gaseous hydrogen into free gaseous atoms...
- When 0.50 g of an unknown carbon compound is burned in a bomb calorimeter, its temperature rises by 6.76°C. How much energy (in...
- The heat of combustion and the heat of formation of carbon monoxide are -283.5 and -110.0 kJ ,mol^ -1 respectively. The heat of...
- The energy needed to heat 54 g of aluminum from 25°C to 675°C is ___________ kJ. [Molar heat capacity of aluminum =24.4 J ,mol^...
- The entropy change involved in the isothermal reversible expansion of 1 mole of an ideal gas from a volume of 20 L to 200 L at...
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