Stoichiometry In the reaction, Ca + 2H₂O = Ca(OH)₂ + H₂ ; what volume (c.c.) of hydrogen at STP would be liberated, when 8 gm of calcium reacts with excess water? (atomic weight of calcium = 40) 0.4 2240 4480 1120 0.4 2240 4480 1120 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg. 375 600 650 700 375 600 650 700 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The elevation in boiling point of a solution is proportional to the __________ of the solution. Reciprocal of the molal concentration Normality Molarity Molal concentration Reciprocal of the molal concentration Normality Molarity Molal concentration ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction) Δ H >ΔH Δ H >ΔH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Percentage saturation of a vapor bearing gas is always __________ the relative saturation. Either A or B; depends on the system Smaller than Equal to Higher than Either A or B; depends on the system Smaller than Equal to Higher than ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of a vapor gas mixture may be increased by increasing the Humidity at constant temperature All of these Temperature at constant humidity Temperature and the humidity Humidity at constant temperature All of these Temperature at constant humidity Temperature and the humidity ANSWER DOWNLOAD EXAMIANS APP
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