JEE Physics21)The bond energy is the energy required to
break one mole of similar bonds
JEE Physics22)Heat of combustion of carbon monoxide at constant volume and at 17° C is - 67710 cal. The heat of combustion at constant pressure is
- 68000 cal
JEE Physics23)Which is correct for an endothermic reaction ?
∆H is positive
JEE Physics24)For the gaseous reaction involving the complete combustion of iso-butane
∆H > ∆E
JEE Physics25)Heat liberated with 100 mL of 1 N NaOH is neutralised by 300 mL of 1 N HCl
5.73 kJ
JEE Physics26)Heat required to raise the temperature of 1 mole of a substance by 1° is called
molar heat capacity
JEE Physics27)If ∆G for a reaction is negative, you infer that the change is
spontaneous
JEE Physics28)What will be the value of ∆G for ice at 8°C temperature ?
Positive
JEE Physics29)One mole of which of the following has the highest entropy?
Hydrogen gas
JEE Physics30)Gibb's free energy G, enthalpy H and entropy S are interrelated as in
G = H - TS