Stoichiometry The number of atoms of oxygen present in 11.2 litres of ozone (O₃) at N.T.P. are 1.20 x 10²⁴ 9.03 x 10²⁴ 6.02 x 10²³ 3.01 x 10²² 1.20 x 10²⁴ 9.03 x 10²⁴ 6.02 x 10²³ 3.01 x 10²² ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry N₂ content in a urea sample was found to be only 42%. What is the actual urea content of the sample ? (molecular weight of urea = 60) 0.9 0.8 0.95 0.98 0.9 0.8 0.95 0.98 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In general, the specific heats of aqueous solutions __________ with increase in the concentration of the solute. Decrease None of these Remain unchanged Increase Decrease None of these Remain unchanged Increase ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One micron is equal to 10⁻⁴ mm Both B & C 10⁻⁴ cm 10⁻⁶ m 10⁻⁴ mm Both B & C 10⁻⁴ cm 10⁻⁶ m ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Kopp's rule is useful for the determination of Activation energy Heat capacities of solids Heat capacities of gases Molal heat capacities of gases Activation energy Heat capacities of solids Heat capacities of gases Molal heat capacities of gases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat of vaporisation __________ with increase in pressure. Decreases Both B and C Increases Becomes zero at critical pressure Decreases Both B and C Increases Becomes zero at critical pressure ANSWER DOWNLOAD EXAMIANS APP