Use Figure 18.9 (p. 797) to determine whether Kc > 1 for

Chapter 18, Problem 40P

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QUESTION:

Use Figure 18.9 to determine whether \(\mathrm{Kc}>1\) for

(a) \(\mathrm{HCl}+\mathrm{NH}_{3} \rightleftharpoons \mathrm{NH}_{4}{ }^{+}+\mathrm{Cl}^{-}\)

(b) \(\mathrm{H}_{2} \mathrm{SO}_{3}+\mathrm{NH}_{3} \rightleftharpoons \mathrm{HSO}_{3}-+\mathrm{NH}_{4}^{+}\)

Equation Transcription:

Kc  > 1

HCl + NH3 ⇌ NH4+ + Cl ⎺

H2SO3 + NH3 ⇌ HSO3 ⎺ + NH4+

Text Transcription:

K_c  > 1

 

HCl + NH_3 ⇌ NH_4^+ + Cl ⎺

 

H_2SO_3 + NH_3 ⇌ HSO_3 ⎺ + NH_4^+

Questions & Answers

QUESTION:

Use Figure 18.9 to determine whether \(\mathrm{Kc}>1\) for

(a) \(\mathrm{HCl}+\mathrm{NH}_{3} \rightleftharpoons \mathrm{NH}_{4}{ }^{+}+\mathrm{Cl}^{-}\)

(b) \(\mathrm{H}_{2} \mathrm{SO}_{3}+\mathrm{NH}_{3} \rightleftharpoons \mathrm{HSO}_{3}-+\mathrm{NH}_{4}^{+}\)

Equation Transcription:

Kc  > 1

HCl + NH3 ⇌ NH4+ + Cl ⎺

H2SO3 + NH3 ⇌ HSO3 ⎺ + NH4+

Text Transcription:

K_c  > 1

 

HCl + NH_3 ⇌ NH_4^+ + Cl ⎺

 

H_2SO_3 + NH_3 ⇌ HSO_3 ⎺ + NH_4^+

ANSWER:

Step 1 of 2

(a)

The given reaction is shown below.

From the given figure, HCl is more acidic than  and  is more basic than .

Therefore, the direction in which the reaction will proceed is forward which indicates the formation of  and more as compared to HCland . As a result of this the value of  .

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