Stoichiometry On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes 1 2 8 4 1 2 8 4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 ata is equivalent to 10 torr 1 kgf/cm² 1 atm 0.98 Pascal 10 torr 1 kgf/cm² 1 atm 0.98 Pascal 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. +100 +180 +109.5 -109.5 +100 +180 +109.5 -109.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A gaseous mixture contains 14 kg of N₂, 16 kg of O₂ and 17 kg of NH₃. The mole fraction of oxygen is 0.33 0.16 0.66 0.47 0.33 0.16 0.66 0.47 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be -136.5°C -136.5°K 0°K 0°C -136.5°C -136.5°K 0°K 0°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 Pascal (unit of pressure) is equal to __________ N/m². 1000 0.1 1 10 1000 0.1 1 10 ANSWER DOWNLOAD EXAMIANS APP
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