Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Exert no attractive force on each other Do work equal to loss in kinetic energy Are above the inversion temperature Collide without loss of energy Exert no attractive force on each other Do work equal to loss in kinetic energy Are above the inversion temperature Collide without loss of energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is insensitive to changes in pressure? Melting point Heat of vaporisation Both B & C Heat of fusion Melting point Heat of vaporisation Both B & C Heat of fusion ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If the pressure of a gas is reduced to half & its absolute temperature is doubled, then the volume of the gas will Increase four times Be reduced to l/4th None of these Increase two times Increase four times Be reduced to l/4th None of these Increase two times ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry An aqueous solution of 2.45% by weight H₂SO₄ has a specific gravity of 1.011. The composition expressed in normality is 0.25 0.2528 0.5 0.5055 0.25 0.2528 0.5 0.5055 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Heat of __________ of a fuel is called its calorific value. Combustion Reaction Vaporisation Formation Combustion Reaction Vaporisation Formation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a constant volume, for a fixed number of moles of a gas, the pressure of the gas increases with rise of temperature due to Increase in molecular attraction Increased collision rate among molecules Decrease in mean free path Increase in average molecular speed Increase in molecular attraction Increased collision rate among molecules Decrease in mean free path Increase in average molecular speed ANSWER DOWNLOAD EXAMIANS APP