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. +180 +100 +109.5 -109.5 +180 +100 +109.5 -109.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The temperature of a gas in a closed container is 27° C. If the temperature of the gas is incresed to 300° C, then the pressure exerted is Unpredictable Doubled Halved Trebled Unpredictable Doubled Halved Trebled ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry S.T.P. corresponds to 101.325 kPa gauge pressure & 15.5°C 760 torr & 0°C 1 atm. absolute pressure & 15.5°C 760 mm Hg gauge pressure & 15.5°C 101.325 kPa gauge pressure & 15.5°C 760 torr & 0°C 1 atm. absolute pressure & 15.5°C 760 mm Hg gauge pressure & 15.5°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Weight of 56 litres of ammonia at N.T.P. is __________ gm. 2.5 42.5 2800 56 2.5 42.5 2800 56 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The amount of Zn (atomic weight = 65) required to form 224 c.c. of H₂ at N.T.P. on treatment with dilute H₂SO₄ will be __________ gm. 6.5 0.65 65 0.065 6.5 0.65 65 0.065 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight. Increases Remains unchanged Decreases Increases linearly Increases Remains unchanged Decreases Increases linearly ANSWER DOWNLOAD EXAMIANS APP