Stoichiometry Osmotic pressure exerted by a solution prepared by dissolving one gram mole of a solute in 22.4 litres of a solvent at 0°C will be __________ atmosphere. 0.5 1 1.5 2 0.5 1 1.5 2 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A sample of well water contains 140 gm/m³ Ca²⁺ ions and 345 gm/m³ Na⁺ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO₃ in gm/m³ is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) 485 345 350 140 485 345 350 140 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The elevation in boiling point of a solution is proportional to the __________ of the solution. Molarity Reciprocal of the molal concentration Molal concentration Normality Molarity Reciprocal of the molal concentration Molal concentration Normality ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A car tyre of volume 0.057 m³ is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is 380 630 880 760 380 630 880 760 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A solution of specific gravity 1 consists of 35% A by weight and the remaining B. If the specific gravity of A is 0.7, the specific gravity of Bis 1.3 1.2 1.25 1.35 1.3 1.2 1.25 1.35 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of heat transfer co-efficient. 1 kcal/m².hr.°K = 1.163 W/m².°C 1 W/m² . °C = 0.1761 BTU/ft².hr.°F 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C 1 kcal/m².hr.°K = 1.163 W/m².°C 1 W/m² . °C = 0.1761 BTU/ft².hr.°F 1 kcal/m².hr.°C = 0.2048 BTU/ft².hr. °F. = 1.163 W/m².°K 1 BTU/ft².hr.°F = 4.88 kcal/m².hr.°C = 20.44 kJ/m².hr°C = 5.678 W/m².°C ANSWER DOWNLOAD EXAMIANS APP
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