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 5 15 10 20 5 15 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Degrees of freedom will be equal to the number of components for a system comprising of Partially miscible two liquid components system having two phases Only soluble liquid components None of these Two liquid components and one solute (soluble in both the liquids) Partially miscible two liquid components system having two phases Only soluble liquid components None of these Two liquid components and one solute (soluble in both the liquids) ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of H⁺ in 1 c.c solution of pH 13 is 6.023xl0⁷ 10¹³ 6.023 x 10¹⁰ 6.023 xl0¹³ 6.023xl0⁷ 10¹³ 6.023 x 10¹⁰ 6.023 xl0¹³ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO₂, 0.05 gm mole of oxygen and 0.80 gm mole of N₂. What is its molecular weight? 28.6 30.6 32.6 30 28.6 30.6 32.6 30 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is 4576 J 13728 J 12712 J 19206 J 4576 J 13728 J 12712 J 19206 J ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A 'limiting reactant' is the one, which decides the __________ in the chemical reacation. None of these Equilibrium constant Conversion Rate constant None of these Equilibrium constant Conversion Rate constant ANSWER DOWNLOAD EXAMIANS APP