Thermodynamics questions
1906 published questions with worked solutions.
- The heat of neutralization of four acids p, q, r and s when neutralized against a common base are 13.7, 9.4, 11.2 and 12.4 kcal...
- A person requires 2870 kcal of energy for leading a normal life. If heat of combustion of cane sugar is -1349 kcal then a person...
- Daily requirement of energy of a person is 'x' kJ. If heat of combustion of a food material (molecular weight =100) is '-y' kJ,...
- In the combustion of 4 grams of CH_4 , 2.5 kcal of heat is liberated. The heat of combustion CH_4 is
- Enthalpy of combustion of carbon is -395 kJ . The amount of carbon needed to evolve 39.5 kJ is
- The heat change taking place in the reaction H_2O( l ) H_2O(g) , H( H_2O )_g=57 k Cal ; H( H_2O )_l=+68.3 K Cal
- For the reaction H_2(g)+Br_2(g) 2HBr(g) ; H=-72.6 kJ . The heat of formation of the HBr is
- The molar heat of vaporization for water is 9.72 kcal ,mol^ -1 . The amount of heat change when 45 g of water condense is :
- The heat of formation of HCl from the following reaction is H_2(g)+Cl_2(g) 2HCl(g) ; H=-44 kcal
- The heat of combustion of butane is 2890 kJ ,mole^ -1 . Its calorific value is
- Combustion of glucose takes place as C_6H_ 12 O_6(s)+6O_2(g) 6CO_2(g)+6H_2O(g) ; H=-72 kcals. The energy needed for the...
- The bond energy of oxygen is 120 kcal. This means that :
- 2HCl H_2+Cl_2 ; H=-44 kcals. In this reaction heat of formation of HCl in kcals is
- A cylinder of gas contains 11.2 kg of butane ( C_4H_ 10 ). A family needs 20 , 000 kJ of energy per day for cooking. If the heat...
- Which of the following has the highest heat of combustions?
- The heat evolved in the combustion of benzene is given by : C_6H_6+7 12O_2 6CO_2(g)+3H_2O( l ) H=-3264.6 kJ Which of the...
- Heat of combustion of methane and ethane are -101.7 kcal and -341.2 kcal. Then
- The heat changes for the reaction : CO(g)+ 12O_2(g) CO_2(g) is known as
- The heats of combustion of graphite and diamond are 393.5 and 395.4 kJ/mole respectively. The heat of transformation of graphite...
- The heat changes for the reaction : H_2O(s) H_2O( l ) is known as
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