The solubility of a salt of molar mass 101g at 20oC is 0.34 mol dm-3….
The solubility of a salt of molar mass 101g at 20oC is 0.34 mol dm-3. If 3.40g of…
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The Arrhenius equation expresses the relationship between the speed of a reaction and its
The Arrhenius equation expresses the relationship between the speed of a reaction and its A. Molecular collision B.…
When dissolved in water, NaOH flakes show
When dissolved in water, NaOH flakes show A. An endothermic change B. An exothermic change C. A slow…
Which of the following equations show that a reaction is in equilibrium?
Which of the following equations show that a reaction is in equilibrium? A. ΔG B. ΔG = ΔH…
PCl5(g) ↔ PCl3(g) + Cl2(g) In the reaction above, a decrease in pressure will
PCl5(g) ↔ PCl3(g) + Cl2(g) In the reaction above, a decrease in pressure will A. Decelerate the reaction…
When H2S is passed into a solution of iron (III) chloride, the solution turns
When H2S is passed into a solution of iron (III) chloride, the solution turns A. Pale green B.…
What amount of mercury would be liberated if the same quantity of electricity that liberates…
What amount of mercury would be liberated if the same quantity of electricity that liberates 0.65g of zinc…
In the reaction E+F ↔ G+H, the backward reaction is favoured if the concentration of
In the reaction E+F ↔ G+H, the backward reaction is favoured if the concentration of A. F is…
Which of the following gases contains the least number of atoms at s.t.p?
Which of the following gases contains the least number of atoms at s.t.p? A. 1 mole of butane…
The chromatography separation of ink is based on the ability of the components to
The chromatography separation of ink is based on the ability of the components to A. React with solvent…