Download Write balanced equations for each of the following

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PRACTICE 2: BALANCING EQUATIONS
Write balanced equations for each of the following chemical reactions: Be sure to indicate
physical states where they are indicated.
1. solid magnesium plus oxygen gas yields solid magnesium oxide
2. solid iron plus oxygen gas yields solid iron (III) oxide
3. water plus gaseous dinitrogen trioxide yields a solution of HNO 2
4. solid sodium oxide plus water yields a solution of sodium hydroxide
5. solid iron plus water yields, in the presence of heat, solid Fe 3O4 plus hydrogen
6. solid potassium chlorate (heated) will produce solid potassium chloride as well as oxygen gas
7. solid aluminum plus lead (II) nitrate solution yields a solution of aluminum nitrate plus solid lead
8. solid copper plus silver nitrite solution yields a solution of cupric nitrite plus solid silver
9. a solution of calcium hydroxide plus hydrochloric acid yields a solution of calcium chloride plus water
10. potassium hydroxide solution plus phosphoric acid yields a solution of potassium phosphate plus water
11. A solution of magnesium bromide reacts with chlorine gas to produce a solution of magnesium chloride and
pure liquid bromine
12. when a piece of pure sodium (solid) is dropped into water, it reacts chemically with the water to produce a
solution of sodium hydroxide and hydrogen gas is given off
13. crystalline potassium nitrate, when heated, decomposes into solid potassium nitrite and oxygen gas
14. solid calcium oxide reacts with hydrochloric acid to form a solution of calcium chloride and water as its products
15. solutions of aluminum nitrate and ammonium hydroxide are mixed together and the products formed are a
precipitate of aluminum hydroxide and a solution of ammonium nitrate
16. nitrogen gas and water vapor are the only PRODUCTS formed when solid ammonium nitrite is heated strongly
17. pure potassium metal (solid) reacts chemically with chlorine gas to produce potassium chloride crystals as the
only product
18. crystalline sodium chloride and oxygen gas are the products formed when solid sodium chlorate is heated
19. solid lead reacts with oxygen gas to produce a solid lead oxide compound in which lead displays its LOWEST
oxidation number.
20. solid mercuric oxide, when heated, will form pure liquid mercury and oxygen gas