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 Volume occupied by one gm mole of a gas at S.T.P. is 22.4 litres 22400 litres 22.4 c.c 359 litres 22.4 litres 22400 litres 22.4 c.c 359 litres ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For most salts, the solubility increases with rise in temperature, but the solubility of __________ is nearly independent of temperature rise. Sodium carbonate monohydrate Sodium chloride Anhydrous sodium sulphate Hypo Sodium carbonate monohydrate Sodium chloride Anhydrous sodium sulphate Hypo ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be 14 7 10 14 7 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules Are above the inversion temperature Do work equal to loss in kinetic energy Do not exert attractive force on each other Do not lose energy on collision Are above the inversion temperature Do work equal to loss in kinetic energy Do not exert attractive force on each other Do not lose energy on collision ANSWER DOWNLOAD EXAMIANS APP
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 10 15 5 20 10 15 5 ANSWER DOWNLOAD EXAMIANS APP
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