Stoichiometry 1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour? 20 15 5 10 20 15 5 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If 1 Nm³ of O₂ contains 'N' number of molecules, then number of molecules in 2Nm³ of SO₂ will be N/2 N 2N 4N N/2 N 2N 4N ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A liquid is in equilibrium with its vapor at its boiling point. On an average, the molecules in the liquid and gaseous phases have equal Intermolecular forces of attraction Kinetic energy Total energy Potential energy Intermolecular forces of attraction Kinetic energy Total energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry __________ fuels require the maximum percentage of 'excess air' for complete combustion. Gaseous Solid Liquid Nuclear Gaseous Solid Liquid Nuclear ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The OH⁻ concentration in a solution having pH value 3 is 10-11 10-10 10-3 10-13 10-11 10-10 10-3 10-13 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately 0.13 0.09 0.07 0.11 0.13 0.09 0.07 0.11 ANSWER DOWNLOAD EXAMIANS APP