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. -109.5 +180 +100 +109.5 -109.5 +180 +100 +109.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately 0.11 0.13 0.07 0.09 0.11 0.13 0.07 0.09 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Boiling point of a solution as compared to that of the corresponding solvent is More Either more or less; depends upon the solvent Same Less More Either more or less; depends upon the solvent Same Less ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry With rise in pressure, the solubility of gases in solvent, at a fixed temperature Decreases Remains unchanged Decreases linearly Increases Decreases Remains unchanged Decreases linearly Increases ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The forces causing the vaporisation of liquid are derived from the Kinetic energy of translation of its molecules. The heat of vaporisation Increases with pressure rise Decreases with increasing pressure Becomes zero at the critical point Both B & C Increases with pressure rise Decreases with increasing pressure Becomes zero at the critical point Both B & C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Atoms of the same element, but of different masses are called Isotopes Isotones Isobars None of these Isotopes Isotones Isobars None of these ANSWER DOWNLOAD EXAMIANS APP
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