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 10.73 kJ 16.15 kJ 18.33 kJ 18.11 kJ 10.73 kJ 16.15 kJ 18.33 kJ 18.11 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 8 2 1 4 8 2 1 4 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A vessel of volume 1000 m³ contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately 20 34 17 25 20 34 17 25 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 x __________ 1026 1023 1020 1019 1026 1023 1020 1019 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry CaCO₃ contains __________ percent of Ca by weight. 96 40 48 12 96 40 48 12 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry pH value of an alkaline solution is Constant over a wide range 7 < 7 > 7 Constant over a wide range 7 < 7 > 7 ANSWER DOWNLOAD EXAMIANS APP
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