Stoichiometry On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes 2 8 4 1 2 8 4 1 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 Increased collision rate among molecules Increase in average molecular speed Decrease in mean free path Increase in molecular attraction Increased collision rate among molecules Increase in average molecular speed Decrease in mean free path Increase in molecular attraction ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of a solution (made by dissolving a solute in a solvent) is __________ that of the pure solvent. More than Either more or less; depends on the solvent Less than Equal to More than Either more or less; depends on the solvent Less than Equal to ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry °API gravity of water at N.T.P. is about 10 100 1 10 100 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole. -1632.3 +816.15 +1632.3 -2448.45 -1632.3 +816.15 +1632.3 -2448.45 ANSWER DOWNLOAD EXAMIANS APP