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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

Balance the following equations, and name each reactant and product:

(a) SF4(g) + H2O() → SO2(g) + HF()

(b) NH3(aq) + O2(aq) → NO(g) + H2O()

(c) BF3(g) + H2O() → HF(aq) + H3BO3(aq)

(a)

Interpretation Introduction

Interpretation:

The balanced equation and name of the reactant and product should be given.

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

Sulfur tetrafluoride reacts with water which yields the sulfur dioxide and hydrogen fluoride, the unbalanced equation is given below using correct molecular formula,

  

Balance the sulfur atom in the given equation, when balancing the equation, we should not alter the subscripts and we can change coefficients.  There is one sulfur atom in the left side and one sulfur in the right side.  Therefore according to the iron atom the balanced equation is given below.

  

Next, balance the oxygen atom in the equation, there is only one oxygen atom in the left side and two oxygen atoms in the right side.  For the balancing the oxygen atom, two water molecule is added to the left side of the reaction.  Therefore the balanced equation is given below

  

(b)

Interpretation Introduction

Interpretation:

The balanced equation and name of the reactant and product should be given.

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:

The balanced equation and name of the reactant and product should be given.

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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