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Chapter 10: Q.10.46 (page 350)

Complete and balance the equation for each of the following reactions:

a.KHCO3(s)+HCl(aq)鉄�b.Ca(s)+H2SO4(aq)鉄�c.H2SO4(aq)+Ca(OH)2(s)鉄�d.Na2CO3(s)+H2SO4(aq)鉄�

Short Answer

Expert verified

a.KHCO3(s)+HCl(aq)鈫�CO2(g)+H2O(l)+KCl(aq)b.Ca(s)+H2SO4(aq)鈫�CaSO4(aq)+H2(g)c.H2SO4(aq)+Ca(OH)2(s)鈫�CaSO4(s)+2H2O(l)d.Na2CO3(s)+H2SO4(aq)鈫�Na2SO4(s)+CO2(g)+H2O(l)

Step by step solution

01

Given Information  (part a) 

a.KHCO3(s)+HCl(aq)鈫�

02

Explanation (part a)

The balanced equations are-

a.KHCO3(s)+HCl(aq)鈫�CO2(g)+H2O(l)+KCl(aq)

03

Step 3  ; Introduction (part b )

b.Ca(s)+H2SO4(aq)鈫�

04

;  Explanation (part b ) 

b.Ca(s)+H2SO4(aq)鈫�CaSO4(aq)+H2(g)

05

Step 5  ; Introduction (part c )

c.H2SO4(aq)+Ca(OH)2(s)鈫�

06

;  Explanation (part c ) 

c.H2SO4(aq)+Ca(OH)2(s)鈫�CaSO4(s)+2H2O(l)

07

Step 7  ; Introduction (part d )

d.Na2CO3(s)+H2SO4(aq)鈫�

08

;  Explanation (part d) 

d.Na2CO3(s)+H2SO4(aq)鈫�Na2SO4(s)+CO2(g)+H2O(l)

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Most popular questions from this chapter

Name each of the following acids or bases:

a.Hcl

b.Ca(OH)2

c.HclO4

d.HNO3

e.H2SO3

f.HBrO2

Consider the buffer system of hydrofluoric acid, HF, and its salt, NaF .

HF(aq)+H2O(l)鈬�H3O+(aq)+F-(aq)

a. The purpose of this buffer system is to:

1. maintain [HF]

2. maintain F-

3. maintain pH

b. The salt of the weak acid is needed to:

1. provide the conjugate base

2. neutralize added H3O+

3. provide the conjugate acid

c. If OH-is added, it is neutralized by:

1. the salt

2. H2O

3. H3O+

d. WhenH3O+is added, the equilibrium shifts in the direction of the:

1. reactants

2. products

3. does not change

Complete the following table:

Calculate the H3O+andOH鈭�for a solution with the following pH values:

a. 10.0

b. 5.0

c. 7.00

d. 6.5

Sometimes, during stress or trauma, a person can start to hyperventilate. Then the person might breathe into a paper bag to avoid fainting. (10.8)

a. What changes occur in the blood pH during hyperventilation?

h. How does breathing into a paper bag help return blood pH to normal??
See all solutions

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