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 +109.5 -109.5 +180 +100 +109.5 -109.5 +180 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole. -1632.3 -2448.45 +1632.3 +816.15 -1632.3 -2448.45 +1632.3 +816.15 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor that exists above its critical temperature is termed as a __________ vapor. Sub-cooled Gaseous Saturated Unsaturated Sub-cooled Gaseous Saturated Unsaturated ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry __________ kg of CaCO₃ on heating will give 56 kg of CaO. 100 56 1000 144 100 56 1000 144 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Specific gravity on API scale is given by the relation(where, G = specific gravity at 15.5°C). °API = (140/G) - 130 °API = 145 - (145/G) °API = 200(G - 1) °API = (141.5/G) - 131.5 °API = (140/G) - 130 °API = 145 - (145/G) °API = 200(G - 1) °API = (141.5/G) - 131.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vapor whose partial pressure is less than its equilibrium vapor pressure is called the __________ vapor. Dry gaseous Saturated Superheated Unsaturated Dry gaseous Saturated Superheated Unsaturated ANSWER DOWNLOAD EXAMIANS APP
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