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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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Chapter
Section
BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

The products formed in several reactions are given below. Identify the reactants (labeled x and y) and write the complete balanced equation for each reaction.

(a) x + y → H2O(ℓ) + CaBr2(aq)

(b) x + y → Mg(NO3)2(aq) + CO2(g) + H2O(ℓ)

(c) x + y → BaSO4(s) + NaCI(aq)

(d) x + y → NH4+(aq) + OH(aq)

(a)

Interpretation Introduction

Interpretation:

In the given reaction, reactants has to be identified and complete balanced equation should be written.

Concept introduction:

The law of conservation of mass states that no atoms can be created or destroyed in a chemical reaction, therefore, the number of atoms present in the reactants is equal to the number of atoms present in the products.

Explanation

Reactants and the balanced equation is given below.

  

Calcium bromide and water is the product of the given reaction, therefore if the reactant is Calcium hydroxide and hydrogen bromide the product would be the Calcium bromide and water.  The unbalanced equation is given below using correct molecular formula,

  

Balance the bromine atom in the given equation, when balancing the equation, we should not alter the subscripts and we can change coefficients.  There are two bromine atoms in the right side and one bromine atoms in the left side.  Therefore according to the bromine atoms two molecules of hydrogen bromide is added to the left side...

(b)

Interpretation Introduction

Interpretation:

In the given reaction, reactants has to be identified and complete balanced equation should be written.

Concept introduction:

The law of conservation of mass states that no atoms can be created or destroyed in a chemical reaction, therefore, the number of atoms present in the reactants is equal to the number of atoms present in the products.

(c)

Interpretation Introduction

Interpretation:

In the given reaction, reactants has to be identified and complete balanced equation should be written.

Concept introduction:

The law of conservation of mass states that no atoms can be created or destroyed in a chemical reaction, therefore, the number of atoms present in the reactants is equal to the number of atoms present in the products.

(d)

Interpretation Introduction

Interpretation:

In the given reaction, reactants has to be identified and complete balanced equation should be written.

Concept introduction:

The law of conservation of mass states that no atoms can be created or destroyed in a chemical reaction, therefore, the number of atoms present in the reactants is equal to the number of atoms present in the products.

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