10.
In a certain reaction, 15.0g of impure magnesium sample reacted with excess
hydrochlor...
Chemistry, 19.04.2020 07:00, manlyman31
10.
In a certain reaction, 15.0g of impure magnesium sample reacted with excess
hydrochloric acid to liberate 8,6dm' of hydrogen gas at standard temperature and
pressure
Write a balanced equation for the reaction and calculate the mass of pure magnesium in the sample
Answers: 2
Chemistry, 22.06.2019 03:50, sgslayerkingminecraf
Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.
Answers: 1
Chemistry, 22.06.2019 14:30, joejoefofana
Consider the reduction reactions and their equilibrium constants. cu+(aq)+eββ½βββcu(s)pb2+(aq)+2eββ½βββ pb(s)fe3+(aq)+3eββ½βββfe(=6.2Γ108=4. 0Γ10β5=9.3Γ10β3 cu + ( aq ) + e β β½ β β β cu ( s ) k =6.2Γ 10 8 pb 2 + ( aq ) +2 e β β½ β β β pb ( s ) k =4.0Γ 10 β 5 fe 3 + ( aq ) +3 e β β½ β β β fe ( s ) k =9.3Γ 10 β 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
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