Stoichiometry At what temperature, given mass of a gas that occupies a volume of 2 litres at N.T.P. will occupy a volume of 4 litres, if the pressure of the gas is kept constant? 273°C 273°K 200°C 100°C 273°C 273°K 200°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 Pascal (unit of pressure) is equal to __________ N/m². 1 1000 0.1 10 1 1000 0.1 10 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 kg of calcium carbide (CaC₂) produces about 0.41 kg of acetylene gas on treatment with water. How many hours of service can be derived from 1 kg of calcium carbide in an acetylene lamp burning 35 litres of gas at NTP per hour? 10 20 15 5 10 20 15 5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry CaCO₃ contains __________ percent of Ca by weight. 12 96 40 48 12 96 40 48 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. The temperature at which the above mixture will exert a pressure of one standard atm. is 100°C 110.6°C Between 100 and 110°C Less than 100°C 100°C 110.6°C Between 100 and 110°C Less than 100°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Pick out the wrong unit conversion of temperature. °C = (F- 32) x 0.555 °R = 273 + °F °F = (°C + 17.778) x 1.8 Temperature difference of 1°K = 1°C = 9/5 °F °C = (F- 32) x 0.555 °R = 273 + °F °F = (°C + 17.778) x 1.8 Temperature difference of 1°K = 1°C = 9/5 °F ANSWER DOWNLOAD EXAMIANS APP
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