Stoichiometry The vapour pressure of water is given by, in Psat = A - (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K.The vapor pressure of water in atm. at 50°C is approximately 0.07 0.13 0.09 0.11 0.07 0.13 0.09 0.11 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Air at a temperature of 20°C and 750 mm Hg pressure has a relative humidity of 80%. What is its percentage humidity?Vapour pressure of water at 20°C is 17.5 mm Hg. 80.38 79.62 78.51 80 80.38 79.62 78.51 80 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If 1.5 moles of oxygen combines with aluminium to form Al2O₃, then the weight of aluminium (atomic weight = 27 ) used in this reaction is __________ gm. 2.7 5.4 27 54 2.7 5.4 27 54 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be __________ mm Hg. 375 600 650 700 375 600 650 700 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Which of the following ratios defines the recycle ratio in a chemical process? Recycle stream/fresh feed stream None of these Gross feed stream/recycle feed stream Recycle stream/gross feed stream Recycle stream/fresh feed stream None of these Gross feed stream/recycle feed stream Recycle stream/gross feed stream ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry N₂ content in a urea sample was found to be only 42%. What is the actual urea content of the sample ? (molecular weight of urea = 60) 0.98 0.8 0.9 0.95 0.98 0.8 0.9 0.95 ANSWER DOWNLOAD EXAMIANS APP
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