Stoichiometry 1 gm mole of an alcohol whose molecular weight is 74 contains 48 gms of carbon, 10 gms of hydrogen and 16 gms of oxygen. Its molecular formula is (C₂H₄)2H₂.OH C2H33OH C₄H9OH C₃H21OH (C₂H₄)2H₂.OH C2H33OH C₄H9OH C₃H21OH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat evolved in the combustion of benzene is represented by the equation: C₆H₆ + 7.5 O₂ = 6CO₂ + 3H₂O, ΔH = 3264.6 kJ/kg. mole The heat energy change, when 39 gm of C₆H₆ is burnt in an open container, will be __________ kJ/kgmole. +816.15 -1632.3 -2448.45 +1632.3 +816.15 -1632.3 -2448.45 +1632.3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry N.T.P. corresponds to 760 torr & 15°C 1 atm.absolute pressure& 0°C 760 mm Hg gauge pressure & 0°C 101.325 KPa gauge pressure & 0°C 760 torr & 15°C 1 atm.absolute pressure& 0°C 760 mm Hg gauge pressure & 0°C 101.325 KPa gauge pressure & 0°C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The vapor pressure of a substance, at its melting point, is __________ in the solid state as compared to that in the liquid state. More Either A or B; depends on the nature of the substance Same Less More Either A or B; depends on the nature of the substance Same Less 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 0.95 0.8 0.9 0.98 0.95 0.8 0.9 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? 5 15 10 20 5 15 10 20 ANSWER DOWNLOAD EXAMIANS APP
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