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 Decrease in mean free path Increased collision rate among molecules Increase in molecular attraction Increase in average molecular speed Decrease in mean free path Increased collision rate among molecules Increase in molecular attraction Increase in average molecular speed ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour? 5 20 10 15 5 20 10 15 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following is not a colligative property? None of these Depression of freezing point Lowering of vapor pressure Osmotic pressure None of these Depression of freezing point Lowering of vapor pressure Osmotic pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assuming applicability of ideal gas law, the pure component volume of the vapor in a saturated gas can be calculated from theoretical relationship. The volumetric composition of a vapor saturated gas is independent of the Nature of the liquid Temperature of the liquid Total pressure Nature of the gas Nature of the liquid Temperature of the liquid Total pressure Nature of the gas ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry N.T.P. corresponds to 760 torr & 15°C 760 mm Hg gauge pressure & 0°C 101.325 KPa gauge pressure & 0°C 1 atm.absolute pressure& 0°C 760 torr & 15°C 760 mm Hg gauge pressure & 0°C 101.325 KPa gauge pressure & 0°C 1 atm.absolute pressure& 0°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids of similar chemical nature at any particular temperature __________ with increase in the molecular weight. Remains unchanged Either A or B; depends on the liquid Increases Decreases Remains unchanged Either A or B; depends on the liquid Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS