Stoichiometry Specific gravity on API scale is given by the relation(where, G = specific gravity at 15.5°C). °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 °API = (140/G) - 130 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The weight fraction of methanol in an aqueous solution is 0.64. The mole fraction of methanol XM satisfies XM < 0.5 0.5 < XM < 0.64 XM = 0.5 XM ≥ 0.64 XM < 0.5 0.5 < XM < 0.64 XM = 0.5 XM ≥ 0.64 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Percentage saturation of a vapor bearing gas is always __________ the relative saturation. Equal to Higher than Either A or B; depends on the system Smaller than Equal to Higher than Either A or B; depends on the system Smaller than ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 bar is almost equal to __________ atmosphere. 10 1 1000 100 10 1 1000 100 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of the solvent decreased by 10 mm Hg, when a non-volatile solute was added to the solvent. The mole fraction of the solute in the solution is 0.2. What should be the mole fraction of the solvent, if the decrease in vapor pressure of the solvent is required to be 20 mm Hg.? 0.2 0.4 0.1 0.6 0.2 0.4 0.1 0.6 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. +180 +109.5 -109.5 +100 +180 +109.5 -109.5 +100 ANSWER DOWNLOAD EXAMIANS APP
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