Write the balanced equation for the reaction of tin (II) chloride with potassium dichromate in aqueous hydrochloric acid to form Chromium (III) chloride and tin (IV) chloride as major products.

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Deanna HettingerLv2

15 Nov 2019

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Write balanced equations for the following reactions. a.) Tin (II) oxide reacts with hydrogen gas to produce tin metal and water b.) Potassium hydroxide reacts with sulfuric acid to produce water and potassium sulfate c.) Octane combusts in the presence of oxygen to form carbon dioxide and water d.) Iron (III) chloride reacts with copper (II) sulfate (include the products formed)

Chromium (III) oxide, often called chromic oxide, has been used as green paint pigment, as a catylistin organic synthesis, as a polishing powder, and to make metallic chromium, One way to make chromium (III) oxide is by reacting sodium dichromate, Na2Cr2O7 with ammonium chloride at 800 to 1000 degrees celcius to form chromium (III) oxide, sodium chloride, nitrogen and water.

a) write a balanced equation for this reaction

b) What is the minimum mass, in megagrams, of ammonium chloride necessary to react completely with 275 Mg of sodium dichromate, Na2Cr2O7?

c) What is the maximum mass, in megagrams, of chromium (III) oxide that can be made from 275 Mg of sodium dichromate, Na2Cr2O7, and excess ammonium chloride?

d) If 147Mg of chromium (III) oxide is formed in the reaction of 275 Mg of sodium dichromate, Na2Cr2O7, with excess ammonium chloride, what is the percent yeild?

Tin reacts with hydrochloric acid to produce hydrogen gas and tin (II) chloride. How many liters of hydrogen gas are produced at 27.0 degrees C, and a pressure of 710 torr if 2.80 grams of tin reacts with the excess hydrochloric acid?

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Write the balanced equation for the reaction of tin (II) chloride with potassium dichromate in aqueous hydrochloric acid to form Chromium (III) chloride and tin (IV) chloride as major products.

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