Related InterviewSolutions

• How many gram of CaCO3 be decomposed to produce 20 litre of CO2at 750 torr and 27°C.
• 4 litre C2H4(g) burns in oxygen at 27°C and 1 atm to produce CO2 (g) and H20(g). Calculate the volume of CO2 formed at(a) 27°C and 1 atm,(b) 127°C and 1 atm,(c) 27°C and 2 atm.
• A student forgot to add the reaction mixture to the round bottomed open flask at 27°C and put it on the flame. After a lapse of time, he realized his mistake, using a pyrometer he found the temperature of the flask was 477°C. What fraction of air would have been expelled out?
• Through the two ends of a glass tube of length 200 cmhydrogen chloride gas and ammonia are allowed to enter. At what distance ammonium chloride will first appear?
• For 10 minutes each, at 27°C, from two identical holes nitrogen and an unknown gas are leaked into a common vessel of 3 litre capacity. The resulting pressure is 4.18 bar and the mixture contains 0.4 mole of nitrogen. What is the molar mass of the unknown gas?
• 6.0 g He and 12.0 g Ne molecules both having average velocity of 4 x 10^2 ms-1 are mixed. Calculate kinetic energy per mole of the mixture.