Stoichiometry A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c. 141.5 293 566 283 141.5 293 566 283 ANSWER DOWNLOAD EXAMIANS APP
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 1120 0.4 4480 2240 1120 0.4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the None of these Nature of both the gas & the liquid Temperature Total pressure None of these Nature of both the gas & the liquid Temperature Total pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At room temperature, the product [H⁺] [OH⁻] in a solution is 10⁻¹⁴ moles/litre. If, [OH⁻] = 10⁻⁶ moles/litre, then the pH of the solution will be 12 8 6 10 12 8 6 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of H₂SO₄ (5% concentration) is < 7 > 7 7 5 < 7 > 7 7 5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Enthalpy of formation of NH₃ is - 46 kJ/kg mole. The enthalpy change for the gaseous reaction, 2NH₃ → N₂ + 3H₂, is equal to __________ kJ/kg. mole. 92 -23 -92 46 92 -23 -92 46 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS