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 For a neutral solution (pH = 7), the value of[H⁺] [OH⁻] is equal to 1 < 1 > 1 1 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Sodium __________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature. Thiosulphate Chloride Carbonate (monohydrate) Bisulphite Thiosulphate Chloride Carbonate (monohydrate) Bisulphite ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of gas constant 'R' is __________ kcal/kg.mole.°C. 2.79 None of these 3.99 1.987 2.79 None of these 3.99 1.987 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the correct conversion. 1 calorie = 252 BTU 1 BTU =453.6 calories 1 calorie = 453.6 BTU 1 BTU = 252 calories 1 calorie = 252 BTU 1 BTU =453.6 calories 1 calorie = 453.6 BTU 1 BTU = 252 calories ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant? 273°K 273°C 100°C 200°C 273°K 273°C 100°C 200°C ANSWER DOWNLOAD EXAMIANS APP
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