Stoichiometry The vapor pressure of liquids (having similar chemical nature) at any specified temperature __________ with increasing molecular weight. Increases Decreases Increases linearly Remains unchanged Increases Decreases Increases linearly Remains unchanged 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 +100 -109.5 +109.5 +180 +100 -109.5 +109.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 BTU/ft³ is approximately equal to __________ kcal/m³. 9 1 4 252 9 1 4 252 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of heat transfer rate. 1 kcal/hr= 1.163 Watt 1 Watt = 1.163 kcal/hr 1 kcal/m².hr = 0.3687 BTU/ft².hr = 1.163 Watt/m² 1 BTU/ft².hr = 2.712 kcal/m².hr 1 kcal/hr= 1.163 Watt 1 Watt = 1.163 kcal/hr 1 kcal/m².hr = 0.3687 BTU/ft².hr = 1.163 Watt/m² 1 BTU/ft².hr = 2.712 kcal/m².hr ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Assume that benzene is insoluble in water. The normal boiling points of benzene and water are 80.1 and 100°C respectively. At a pressure of 1 atm, the boiling point of a mixture of benzene and water is 80.1°C Less than 80.1°C Greater than 80.1°C but less than 100°C 100°C 80.1°C Less than 80.1°C Greater than 80.1°C but less than 100°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At higher temperatures, molal heat capacities for most of the gases (at constant pressure) __________ with increase in temperature. Does not vary Varies linearly Decreases Increases Does not vary Varies linearly Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
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