Stoichiometry Unrestrained expansion of an ideal gas does not result in its cooling due to the reason that the gas molecules Do not lose energy on collision Do work equal to loss in kinetic energy Do not exert attractive force on each other Are above the inversion temperature Do not lose energy on collision Do work equal to loss in kinetic energy Do not exert attractive force on each other Are above the inversion temperature 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 0.07 0.09 0.13 0.11 0.07 0.09 0.13 0.11 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. +1632.3 -1632.3 -2448.45 +816.15 +1632.3 -1632.3 -2448.45 +816.15 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 1 centipoise is equivalent to 1 gm/cm.second 2.42 lb/ft.hr 1 centistoke 2.42 lb/ft.second 1 gm/cm.second 2.42 lb/ft.hr 1 centistoke 2.42 lb/ft.second ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry 6 gms of magnesium (atomic weight = 24), reacts with excess of an acid, the amount of H₂ produced will be __________ gm. gm. 1 3 5 0.5 1 3 5 0.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction) Δ H >ΔH Δ H >ΔH ANSWER DOWNLOAD EXAMIANS APP
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