Stoichiometry The density of a gas at N.T.P.is 'ρ'. Keeping the pressure constant (i.e. 760 mm Hg), the 3 density of the gas will become ¾ 0.75ρ at a temperature of __________ °K 300° 273° 400° 300° 300° 273° 400° 300° ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a pure solvent Increases its freezing point Both B and C Increases its boiling point Decreases its freezing point Increases its freezing point Both B and C Increases its boiling point Decreases its freezing point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry CaCO₃ contains __________ percent of Ca by weight. 96 12 48 40 96 12 48 40 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 4 43834 √2 43832 4 43834 √2 43832 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At a temperature of 0°K, the molecules of a gas have only __________ energy. Vibrational Translational Rotational None of these Vibrational Translational Rotational None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a unit of length? Angstrom Parsec Barn Fermi Angstrom Parsec Barn Fermi ANSWER DOWNLOAD EXAMIANS APP