Thermodynamics questions
1906 published questions with worked solutions.
- For the reaction C_3H_8(g) + 5O_ 2(g) 3CO_ 2(g) + 4H_2O_ ( ) at constant temperature H - U is
- What is change in internal energy of the system when work done by the system is 150 J and system release 300 J of heat ?
- If 8.84 kj heat is liberated for formation of 3 g ethane calculate it's _f H^
- A sample of gas at temperature T is adiabatically expanded to double its volume. The work done by the gas in the process is ( C_p...
- The difference between H and U is usually significant for systems consisting of
- What is change in internal energy when system releases 8 kJ of heat and performs 660 J of work on the surroundings?
- Heat engine operating between temperature T_1 and T_2 has efficiency 1 6 . When T_2 is lowered by 62 K, its efficiency increases...
- A system performs mechanical work equal to 15 kJ and lose 2 kJ of heat to surrounding. What is the change in internal energy of a...
- In a particular reaction 'x' kJ of heat is released by the system and 'y' kJ of work is done on the system. What is internal...
- Initial pressure and volume of a gas are 'P' and 'V' respectively. First its volume is expanded to '4V' by isothermal process and...
- Which of the following equations indicates increase in entropy?
- Which from following statements is true about internal energy?
- In which thermodynamic process, the change in internal energy, heat supplied 'Q' and the work done in expansion 'W' are all...
- Calculate bond enthalpy of H-Cl bond from following reaction H_ 2(g) + Cl_ 2(g) 2 HCl_ (g) , _rH^0 = -185 kJ (Given bond...
- For the combustion of one mole acetic acid, work done at 298 K is
- Calculate the change in enthalpy in a chemical reaction when work done is -800J and increase in internal energy is 600 J.
- Which one of the following equations specifies an isochoric process? [Q = heat supplied, p = change in pressure, V = change in...
- A polyatomic gas ( = 4/3) is compressed to ( 1 8 )th of its volume adiabatically. Its initial pressure is P_0, its new pressure...
- Carnot engine operating between temperature T_1 and T_2 has efficiency 0.2. When T_2 is lowered by 45 K, its efficiency becomes...
- If Q is the amount of heat supplied to 'n' moles of a rigid diatomic gas at constant pressure, U is the change in internal energy...
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