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 -2448.45 +816.15 +1632.3 -1632.3 -2448.45 +816.15 +1632.3 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry Normality of a solution does not change with the increase in the Solute concentration Pressure Temperature Dilution of the solution Solute concentration Pressure Temperature Dilution of the solution ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The effect of pressure on the heat capacity of the gases __________ is negligible. Below the critical temperature Neither A nor B Both A & B At pressure below one atmosphere Below the critical temperature Neither A nor B Both A & B At pressure below one atmosphere ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The atomic weight of helium is 4 times that of hydrogen. Its diffusion rate as compared to hydrogen will be __________ times. 4 √2 43834 43832 4 √2 43834 43832 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The heat of vaporisation __________ with increase in pressure. Increases Decreases Becomes zero at critical pressure Both B and C Increases Decreases Becomes zero at critical pressure Both B and C ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry If a solution of eutectic composition is cooled, __________ reaching the eutectic temperature. It will not solidify even on None of these It will undergo no change until The solvent begins to freeze out even before It will not solidify even on None of these It will undergo no change until The solvent begins to freeze out even before ANSWER DOWNLOAD EXAMIANS APP
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