Stoichiometry At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant? 273°C 200°C 273°K 100°C 273°C 200°C 273°K 100°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Solution made by dissolving equimolar amounts of different solutes in the same amount of a given solvent will have the Different elevation in boiling point Same elevation in boiling point Elevation in boiling point in the ratio of their molecular weights None of these Different elevation in boiling point Same elevation in boiling point Elevation in boiling point in the ratio of their molecular weights None of these ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of Trouton's ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kis-tyakowsky equation is used for calculation of Trouton's ratio of __________ liquids. Polar Neither A nor B Both A & B Non-polar Polar Neither A nor B Both A & B Non-polar 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 Formation Solution Combustion Fusion Formation Solution Combustion ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry CaCO₃ contains __________ percent of Ca by weight. 12 48 96 40 12 48 96 40 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The effect of pressure on the heat capacity of the gases __________ is negligible. Neither A nor B Both A & B Below the critical temperature At pressure below one atmosphere Neither A nor B Both A & B Below the critical temperature At pressure below one atmosphere ANSWER DOWNLOAD EXAMIANS APP
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