Stoichiometry If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is __________ times. 1000 10000 100 10 1000 10000 100 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight. Increases linearly Decreases Remains unchanged Increases Increases linearly Decreases Remains unchanged Increases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The effect of pressure on the heat capacity of the gases __________ is negligible. At pressure below one atmosphere Both A & B Neither A nor B Below the critical temperature At pressure below one atmosphere Both A & B Neither A nor B Below the critical temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The total volume occupied by a gaseous mixture is equal to the sum of the pure component volumes. This is the __________ law. Avogadro's Dalton's GayLussac's Amgat's Avogadro's Dalton's GayLussac's Amgat's ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is 13728 J 12712 J 4576 J 19206 J 13728 J 12712 J 4576 J 19206 J ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of temperature. °F = (°C + 17.778) x 1.8 °C = (F- 32) x 0.555 Temperature difference of 1°K = 1°C = 9/5 °F °R = 273 + °F °F = (°C + 17.778) x 1.8 °C = (F- 32) x 0.555 Temperature difference of 1°K = 1°C = 9/5 °F °R = 273 + °F ANSWER DOWNLOAD EXAMIANS APP
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