Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 4 43834 43832 √2 4 43834 43832 √2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Volume percent for gases is equal to the Mole percent only for ideal gases Weight percent Mole percent Weight percent only for ideal gases Mole percent only for ideal gases Weight percent Mole percent Weight percent only for ideal gases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The OH⁻ concentration in a solution having pH value 3 is 10-11 10-13 10-3 10-10 10-11 10-13 10-3 10-10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Roult's law is obeyed by a __________ solution. Molar Normal Saturated None of these Molar Normal Saturated None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat change for the reaction, C(s) + 2S(s) → CS₂(l), is 104.2 kJ. It represents the heat of Fusion Combustion Solution Formation Fusion Combustion Solution Formation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 345 350 140 485 345 350 140 485 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS