Stoichiometry No cooling occurs, when an ideal gas undergoes unrestrained expansion, because the molecules Exert no attractive force on each other Collide without loss of energy Do work equal to loss in kinetic energy Are above the inversion temperature Exert no attractive force on each other Collide without loss of energy Do work equal to loss in kinetic energy Are above the inversion temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of 3 100 1000 None of these 3 100 1000 None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The quantity of heat required to evaporate 1 kg of a saturated liquid is called Specific heat 1 Kcal Latent heat Sensible heat Specific heat 1 Kcal Latent heat Sensible heat ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg. 79.62 78.51 80 80.38 79.62 78.51 80 80.38 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not used for computing latent heat of vaporisation? Reference substance plots based on Durhing & Othmer plots Hess Kistyakowasky's equation Clausius-Clayperon equation Reference substance plots based on Durhing & Othmer plots Hess Kistyakowasky's equation Clausius-Clayperon equation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following holds good for a solution obeying Raoult's law (i.e., an ideal solution) (where, ΔH = heat of mixing, and ΔV = volume change on mixing ) ? ΔV = 0 ΔH = 1 (+ ve)and Δ V = -ve ΔH = 0 Both B and C ΔV = 0 ΔH = 1 (+ ve)and Δ V = -ve ΔH = 0 Both B and C ANSWER DOWNLOAD EXAMIANS APP
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