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Chapter 20: Problem 15

Write a balanced equation and give the names of the products for the reaction of (a) magnesium with chlorine. (b) barium peroxide with water. (c) lithium with sulfur. (d) sodium with water.

Short Answer

Expert verified
(a) Magnesium with chlorine Answer: Magnesium chloride (b) Barium peroxide with water Answer: Barium hydroxide and hydrogen peroxide (c) Lithium with sulfur Answer: Lithium sulfide (d) Sodium with water Answer: Sodium hydroxide and hydrogen gas

Step by step solution

01

Identify reactants and products

The reactants are magnesium (Mg) and chlorine (Cl2). Magnesium will react with chlorine to form magnesium chloride (MgCl2).
02

Write the balanced chemical equation

Mg + Cl2 -> MgCl2
03

Name the products

The product of this reaction is magnesium chloride. (b) Barium peroxide with water
04

Identify reactants and products

The reactants are barium peroxide (BaO2) and water (H2O). Barium peroxide reacts with water to form barium hydroxide (Ba(OH)2) and oxygen gas (O2).
05

Write the balanced chemical equation

BaO2 + 2H2O -> Ba(OH)2 + H2O2
06

Name the products

The products of this reaction are barium hydroxide and hydrogen peroxide. (c) Lithium with sulfur
07

Identify reactants and products

The reactants are lithium (Li) and sulfur (S). Lithium reacts with sulfur to form lithium sulfide (Li2S).
08

Write the balanced chemical equation

2Li + S -> Li2S
09

Name the products

The product of this reaction is lithium sulfide. (d) Sodium with water
10

Identify reactants and products

The reactants are sodium (Na) and water (H2O). Sodium reacts with water to form Sodium hydroxide (NaOH) and Hydrogen gas (H2).
11

Write the balanced chemical equation

2Na + 2H2O -> 2NaOH + H2
12

Name the products

The products of this reaction are sodium hydroxide and hydrogen gas.

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