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 C2H33OH C₄H9OH (C₂H₄)2H₂.OH C₃H21OH C2H33OH C₄H9OH (C₂H₄)2H₂.OH C₃H21OH ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Increasing the temperature of an aqueous solution will cause decrease in its Molarity Weight percent Mole fraction Molality Molarity Weight percent Mole fraction Molality ANSWER DOWNLOAD EXAMIANS APP
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 0.09 0.11 0.07 0.13 0.09 0.11 0.07 0.13 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry CaCO₃ contains __________ percent of Ca by weight. 12 96 48 40 12 96 48 40 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 Which of the following expressions defines the Baume gravity scale for liquids heavier than water? (400/G) - 400 145 - (145/G) 200(G-1) (141.5/G) - 131.5 (400/G) - 400 145 - (145/G) 200(G-1) (141.5/G) - 131.5 ANSWER DOWNLOAD EXAMIANS APP
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