1. Balance each chemical reaction: H, + 2 HI а. b. Al + 02 Al,0, '23 + Cl, NaCl С. Na -> d. Al + HBr AIBr, + H, P + 0, -> е.

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Chapter4: Types Of Chemical Reactions And Solution Stoichiometry
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Problem 106AE: Many over-the-counter antacid tablets are now formulated using calcium carbonate as die active...
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1.
Balance each chemical reaction:
+ 2
HI
a.
->
b.
Al + 02
Al,O3
->
Na
+ Cl2
NaCl
с.
d.
Al
HBr
AIBI3
+ H,
->
P + 02
P,0,
е.
2. Write a balanced chemical reaction with the correct chemical formulas containing s (solid), (liquid), g (gas) or aq
(aqueous) for the reactants and products for the following reaction. A chunk of calcium carbonate (CaCO3) is
heated at high temperatures to form a powdered calcium oxide (CaO) and gaseous carbon dioxide (CO2).
a. Identify the oxidized atom and reduced atom and the oxidizing agent and the reducing agent.
b. Is the above reaction decomposition, combination, single displacement or double displacement?
3. Write a balanced chemical reaction with the correct chemical formulas containing s (solid), (liquid), g (gas) or aq
(aqueous) for the reactants and products for the following reaction. When a piece aluminum metal (Al), is dropped
into hydrochloric acid (HCI), hydrogen gas (H2) is released and soluble aluminum chloride (AICI3) is also formed.
a. Identify the oxidized atom and reduced atom and the oxidizing agent and the reducing agent.
b. Is the above reaction decomposition, combination, single displacement or double displacement?
Transcribed Image Text:1. Balance each chemical reaction: + 2 HI a. -> b. Al + 02 Al,O3 -> Na + Cl2 NaCl с. d. Al HBr AIBI3 + H, -> P + 02 P,0, е. 2. Write a balanced chemical reaction with the correct chemical formulas containing s (solid), (liquid), g (gas) or aq (aqueous) for the reactants and products for the following reaction. A chunk of calcium carbonate (CaCO3) is heated at high temperatures to form a powdered calcium oxide (CaO) and gaseous carbon dioxide (CO2). a. Identify the oxidized atom and reduced atom and the oxidizing agent and the reducing agent. b. Is the above reaction decomposition, combination, single displacement or double displacement? 3. Write a balanced chemical reaction with the correct chemical formulas containing s (solid), (liquid), g (gas) or aq (aqueous) for the reactants and products for the following reaction. When a piece aluminum metal (Al), is dropped into hydrochloric acid (HCI), hydrogen gas (H2) is released and soluble aluminum chloride (AICI3) is also formed. a. Identify the oxidized atom and reduced atom and the oxidizing agent and the reducing agent. b. Is the above reaction decomposition, combination, single displacement or double displacement?
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