Stoichiometry For an endothermic reaction, the minimum value of energy of activation will be (where, ΔH = enthalpy of the reaction) >ΔH Δ H >ΔH Δ H ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The boiling points for pure water and pure toluene are 100°C and 110.6°C respectively. Toluene and water are completely immiscible in each other. A well agitated equimolar mixture of toluene and water are prepared. If, at a total pressure of one standard atm. exerted by the vapours of water and toluene, the mole fraction of water Xw in the vapour phase satisfies Xw = 0.5 Xw = 1.0 0.5 < Xw < 1.0 0 < Xw < 0.5 Xw = 0.5 Xw = 1.0 0.5 < Xw < 1.0 0 < Xw < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry In which of the following case of mixing of a strong acid with strong base (each of 1N concentration), temperature increase will be the highest? 35 c.c acid and 15 c.c base 30 c.c acid and 30 c.c base 15 c.c acid and 35 c.c base 20 c.c acid and 25 c.c base 35 c.c acid and 15 c.c base 30 c.c acid and 30 c.c base 15 c.c acid and 35 c.c base 20 c.c acid and 25 c.c base ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry A very dilute solution is prepared by dissolving 'x1' mole of solute in 'x2' mole of a solvent. The mole fraction of solute is approximately equal to X1/x2 1/x2 X2/x1 1 - (x1/x2) X1/x2 1/x2 X2/x1 1 - (x1/x2) ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry The effect of pressure on the heat capacity of the gases __________ is negligible. Below the critical temperature At pressure below one atmosphere Neither A nor B Both A & B Below the critical temperature At pressure below one atmosphere Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Stoichiometry One micron is equal to 10⁻⁶ m 10⁻⁴ mm 10⁻⁴ cm Both B & C 10⁻⁶ m 10⁻⁴ mm 10⁻⁴ cm Both B & C ANSWER DOWNLOAD EXAMIANS APP
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