Stoichiometry If pH value of an acidic solution is decreased from 5 to 2, then the increase in its hydrogen ion concentration is __________ times. 1000 10000 10 100 1000 10000 10 100 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following has the smallest least effect on the solubility of a solute into the solvent? Nature of the solute Pressure Temperature Nature of the solvent Nature of the solute Pressure Temperature Nature of the solvent ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is __________ kg mole. 44 16 1 44 16 1 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Claussius Clapeyron equation applies to the __________ process. Melting Sublimation Vaporisation All of these Melting Sublimation Vaporisation All of these ANSWER DOWNLOAD EXAMIANS APP
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 10.73 kJ 16.15 kJ 18.33 kJ 18.11 kJ 10.73 kJ 16.15 kJ 18.33 kJ ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A rigid vessel containing three moles of nitrogen gas at 30°C is heated to 250°C. Assume the average capacities of nitrogen to be Cp = 29.1 J/mole.°C and, Cv = 20.8 J/mole.°C. The heat required, neglecting the heat capacity of the vessel, is 12712 J 4576 J 19206 J 13728 J 12712 J 4576 J 19206 J 13728 J ANSWER DOWNLOAD EXAMIANS APP