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? 15 5 20 10 15 5 20 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The combustion equations of carbon and carbon monoxide are as follows: C + O₂ = CO₂, ΔH = - 394 kJ/kg . mole CO + 1/2 O₂ = CO₂, ΔH = - 284.5 kJ/kg. mole. The heat of formation of CO is __________ kJ/kg. mole. +109.5 -109.5 +180 +100 +109.5 -109.5 +180 +100 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The density of a liquid is 1500 kg/m³. Its value in gin/litre will be equal to 15 150 1500 1.5 15 150 1500 1.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry As per Kirchoff s equation, the heat of reaction is affected by the Molecularity Volume Temperature Pressure Molecularity Volume Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry __________ kg of CaCO₃ on heating will give 56 kg of CaO. 144 1000 100 56 144 1000 100 56 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Vapor pressure of a solution is proportional to(where, Sv and St are mole fraction of solvent and solute respectively). 1/Sv St 1/St Sv 1/Sv St 1/St Sv ANSWER DOWNLOAD EXAMIANS APP