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. +816.15 -1632.3 +1632.3 -2448.45 +816.15 -1632.3 +1632.3 -2448.45 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Size range of the colloidals particles is 500 - 1000 microns 50 - 200 microns 5 - 200 milli-microns 10 - 50 Angstrom 500 - 1000 microns 50 - 200 microns 5 - 200 milli-microns 10 - 50 Angstrom ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The percentage ratio of the partial pressure of the vapor to the vapor pressure of the liquid at the existing temperature is Not a function of the composition of gas mixture Termed as relative saturation Not a function of the nature of vapor Called percentage saturation Not a function of the composition of gas mixture Termed as relative saturation Not a function of the nature of vapor Called percentage saturation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Saturated molal absolute humidity of the vapor-gas mixture depends upon the Total pressure Vapor pressure at dry bulb temperature Both A & B Neither A nor B Total pressure Vapor pressure at dry bulb temperature Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an ideal gas, the compressibility factor Is unity at all temperature Decreases with pressure rise Is unity at Boyle's temperature Zero Is unity at all temperature Decreases with pressure rise Is unity at Boyle's temperature Zero ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of H⁺ in 1 c.c solution of pH 13 is 10¹³ 6.023xl0⁷ 6.023 x 10¹⁰ 6.023 xl0¹³ 10¹³ 6.023xl0⁷ 6.023 x 10¹⁰ 6.023 xl0¹³ ANSWER DOWNLOAD EXAMIANS APP