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 1120 4480 2240 0.4 1120 4480 2240 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of a vapor gas mixture may be increased by increasing the Temperature and the humidity 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 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the correct conversion. 1 calorie = 453.6 BTU 1 calorie = 252 BTU 1 BTU =453.6 calories 1 BTU = 252 calories 1 calorie = 453.6 BTU 1 calorie = 252 BTU 1 BTU =453.6 calories 1 BTU = 252 calories ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The temperature at which a real gas obeys Boyle's law is termed as the Inversion temperature Boyle's temperature Eutectic point Triple point Inversion temperature Boyle's temperature Eutectic point Triple point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be 14 10 7 14 10 7 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg. 80 78.51 80.38 79.62 80 78.51 80.38 79.62 ANSWER DOWNLOAD EXAMIANS APP
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