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) 4480 2240 0.4 1120 4480 2240 0.4 1120 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. Dalton's GayLussac's Avogadro's Amgat's Dalton's GayLussac's Avogadro's Amgat's ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry What fraction of the total pressure is exerted by oxygen, if equal weights of oxygen and methane are mixed in an empty vessel at 25°C? 43864 L/3 x 298/273 43832 43833 43864 L/3 x 298/273 43832 43833 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 2.7 5.4 27 54 2.7 5.4 27 54 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state. Less Same More Either A or B; depends on the nature of the substance Less Same More Either A or B; depends on the nature of the substance ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of heat transfer rate. 1 kcal/hr= 1.163 Watt 1 BTU/ft².hr = 2.712 kcal/m².hr 1 kcal/m².hr = 0.3687 BTU/ft².hr = 1.163 Watt/m² 1 Watt = 1.163 kcal/hr 1 kcal/hr= 1.163 Watt 1 BTU/ft².hr = 2.712 kcal/m².hr 1 kcal/m².hr = 0.3687 BTU/ft².hr = 1.163 Watt/m² 1 Watt = 1.163 kcal/hr ANSWER DOWNLOAD EXAMIANS APP
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