Question

In: Chemistry

1)Write a balanced chemical equation for the reaction of gaseous nitrogen dioxide with hydrogen gas to...

1)Write a balanced chemical equation for the reaction of gaseous nitrogen dioxide with hydrogen gas to form gaseous ammonia and liquid water.

Express your answer as a chemical equation. Identify all of the phases in your answer.

2)Write a molecular equation for the precipitation reaction (if any) that occurs when the following solutions are mixed. If no reaction occurs, write noreaction

Express your answer as a chemical equation. Enter noreaction if no precipitate is formed. Identify all of the phases in your answer.

a)sodium carbonate and lead(II) nitrate

b)potassium sulfate and lead(II) acetate

c)copper(II) nitrate and barium sulfide

d)calcium nitrate and sodium iodide

3) Identify the spectator ions in the following complete ionic equation.
Ba2+(aq)+2I−(aq)+2Na+(aq)+SO2−4(aq)→BaSO4(s)+2I−(aq)+2Na+(aq)

Express your answers as ions separated by a comma. Do not enter the coefficient or phases.

4)When a hydrochloric acid solution is combined with a potassium hydroxide solution, an acid-base reaction occurs.

Express your answer as a chemical equation. Identify all of the phases in your answer.

a)Write a balanced molecular equation for this reaction.

b)Write a net ionic equation for this reaction.

5)A solution contains an unknown amount of dissolved magnesium. Addition of 2.41×10−2 mol of Na2CO3 causes complete precipitation of all of the magnesium.

a)What mass of magnesium was dissolved in the solution?

Solutions

Expert Solution

queen_honey_blossom answered 2 years ago
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