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 +100 -109.5 +180 +109.5 +100 -109.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Addition of a non-volatile solute to a pure solvent Increases its boiling point Both B and C Increases its freezing point Decreases its freezing point Increases its boiling point Both B and C Increases its freezing point Decreases its freezing point ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For water evaporating into usaturated air under adiabatic conditions and at constant pressure, the __________ remains constant throughout the period of vaporisation. Dry bulb temperature Humidity Wet bulb temperature Relative saturation Dry bulb temperature Humidity Wet bulb temperature Relative saturation ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Degrees of freedom will be equal to the number of components for a system comprising of Partially miscible two liquid components system having two phases Two liquid components and one solute (soluble in both the liquids) None of these Only soluble liquid components Partially miscible two liquid components system having two phases Two liquid components and one solute (soluble in both the liquids) None of these Only soluble liquid components ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The amount of Zn (atomic weight = 65) required to form 224 c.c. of H₂ at N.T.P. on treatment with dilute H₂SO₄ will be __________ gm. 65 0.065 6.5 0.65 65 0.065 6.5 0.65 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Total energy at a point comprises of __________ energy. Pressure Potential & kinetic Internal All of these Pressure Potential & kinetic Internal All of these ANSWER DOWNLOAD EXAMIANS APP
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