Thermodynamics
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Thermodynamics
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19 Questions

1. Unit of entropy is
2. Hydrogen has an ionisation energy of 1311kJ mol-“1 and for chlorine it is 1256 kJmol -“1.Hydrogen forms H + (aq) ions but chlorine doesnot form Cl+ (aq) ions because
3. For a reaction in which all reactants andproducts are liquids - which one of the followingequations is most applicable?
4. For a cyclic process - which of the following isnot true?
5. In a closed insulated container - a liquid isstirred with a paddle to increase thetemperature - which of the following is true?
6. According to the third law ofthermodynamics which one of the following10.55quantities for a perfectly crystalline solid is zeroat absolute zero?
7. If ΔH is the change in enthalpy and ΔE thechange in internal energy accompanying agaseous reaction - then
8. According to the third law ofthermodynamics which one of the following10.55quantities for a perfectly crystalline solid is zeroat absolute zero?
9. Achemical reaction will be spontaneous if it isaccompanied by a decrease of
10. One mole of an ideal gas at 300 K is expanded isothermally from an initial volume of 1 litre to 10 litres The E for this process is (R=2 calmol-1 K-1)
11. Adiabatic expansions of an ideal gas isaccompanied by
12. Equal volumes of molar hydrochloric acid andsulphuric acid are neutralized by dil.NaOHsolution and x kcal and y kcal of heat areliberated respectivelyWhich of the following istrue?
13. Equal volumes of molar hydrochloric acid andsulphuric acid are neutralized by dil.NaOHsolution and x kcal and y kcal of heat areliberated respectivelyWhich of the following istrue?
14. 2 mole of an ideal gas at 27ºCtemperature isexpanded reversibly from 2 lit to 20 litFind theentropy change (R= 2 cal/mol K)
15. In a closed insulated container - a liquid isstirred with a paddle to increase thetemperature - which of the following is true?
16. For a cyclic process - which of the following isnot true?
17. The molar heat capacity of water at constantpressure is 75 JK -“1 mol-“1When 1kJ of heat issupplied to 100 g of water - which is free toexpand - the increase in temperature of water is
18. When 1 mol of a gas is heated at constantvolume - temperature is raised from 298 to 308KIf heat supplied to the gas is 500 J - then whichstatement is correct?
19. Hydrogen has an ionisation energy of 1311kJ mol-“1 and for chlorine it is 1256 kJmol -“1.Hydrogen forms H + (aq) ions but chlorine doesnot form Cl+ (aq) ions because

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