Stoichiometry Heat capacity of air can be approximately expressed as, Cp = 26.693 + 7.365 x10⁻³ T, where, Cp is in J/mole.K and T is in K. The heat given off by 1 mole of air when cooled at atmospheric pressure from 500°C to - 100°C is 18.11 kJ 16.15 kJ 18.33 kJ 10.73 kJ 18.11 kJ 16.15 kJ 18.33 kJ 10.73 kJ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry On addition of 1 c.c. of dilute hydrochloric acid (1% concentration) to 80 c.c. of a buffer solution of pH = 4, the pH of the solution becomes 2 1 8 4 2 1 8 4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry At room temperature, the product [H⁺] [OH⁻] in a solution is 10⁻¹⁴ moles/litre. If, [OH⁻] = 10⁻⁶ moles/litre, then the pH of the solution will be 10 6 8 12 10 6 8 12 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For the gaseous phase reaction, N₂ + O₂ ⇋ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by Increasing the concentration of N₂ Decrease in pressure Increase in pressure Decrease in temperature Increasing the concentration of N₂ Decrease in pressure Increase in pressure Decrease in temperature ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Average molecular weight of air is about 23 29 21 79 23 29 21 79 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The value of Trouton's ratio (λb/Tb) for a number of substances is 21 (where, λb = molal that of vaporisation of a substance at its normal boiling point, KCal/kg. mole and Tb = normal boiling point, °K). The Kis-tyakowsky equation is used for calculation of Trouton's ratio of __________ liquids. Polar Neither A nor B Both A & B Non-polar Polar Neither A nor B Both A & B Non-polar ANSWER DOWNLOAD EXAMIANS APP
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