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 The molar composition of a gas is 10% H₂, 10% O₂, 30% CO₂ and balance H₂O. If 50% H₂O condenses, the final mole percent of H₂ in the gas on a dry basis will be be 0.05 0.1818 0.1 0.2 0.05 0.1818 0.1 0.2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following expressions defines the Baume gravity scale for liquids lighter than water? °Be = (400/G) - 400 °Be = (140/G) - 130 °Be = 200(G-1) °Be = 145 - (145/G) °Be = (400/G) - 400 °Be = (140/G) - 130 °Be = 200(G-1) °Be = 145 - (145/G) ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperature, molal heat capacities of most of the gases (at constant pressure) __________ with increase in temperature. Increases linearly Decreases Remains unchanged Increases Increases linearly Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The evaporation of aqueous solution of sugar causes its molarity to Either A or B; depends on the concentration of the solution. Decrease. Remain unchanged. increase. Either A or B; depends on the concentration of the solution. Decrease. Remain unchanged. increase. ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Measurement of the amount of dry gas collected over water from volume of moist gas is based on the Boyle's law Dalton's law of partial pressures Charle's law Avogadro's hypothesis Boyle's law Dalton's law of partial pressures Charle's law Avogadro's hypothesis ANSWER DOWNLOAD EXAMIANS APP
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