Chapter 15: Chemical Equilibrium1) What is the equilibrium equation for the following reaction?FeS(s) + 2 H3O+ (aq)= Fe2+(aq)+ H2S (aq) + 2 H2O (I)2) What is true about the relationship of Kp and Ke for the reaction:2 CH4(g) + 3 O2(g)=2 CO(g) + 4 H20(g)?A) Kp < KcB) Kp = KcC) Kp > KcD) Kp and Kc are not related.3) Phosphorus pentachloride decomposes to phosphorus trichloride and chlorine gas at elevatedtemperatures by the following reaction:PC15(g) = PC13(g) + Cl2(g). If Kc = 1.8 at 250°C, what is the value of Kp at the sametemperature?A) 4.2 x 10-2B) 8.8 x 10-2C) 65D) 774) At a certain temperature, bromine and nitric oxide react to form nitrosyl bromide:Br2(g) + 2 NO(g)=2 NOB1(g).When initial amounts of Br2, NO, and NOB are mixed, the concentration of NOB increases.Which statement below is true?A) Kc QC) Kc =QD) More information is needed to make a statement about Kc.

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1) What is the equilibrium equation for the FeS(s) + 2 H30+ (aq) = Fe2+(aq) + H2S (aq) + 2 H20 (1)

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Ionic Equilibrium

Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.

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Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.

Bronsted Lowry Base In Inorganic Chemistry

Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.

Question

Chapter 15: Chemical Equilibrium
1) What is the equilibrium equation for the following reaction?
FeS(s) + 2 H3O+ (aq)= Fe2+(aq)+ H2S (aq) + 2 H2O (I)
2) What is true about the relationship of Kp and Ke for the reaction:
2 CH4(g) + 3 O2(g)=2 CO(g) + 4 H20(g)?
A) Kp < Kc
B) Kp = Kc
C) Kp > Kc
D) Kp and Kc are not related.
3) Phosphorus pentachloride decomposes to phosphorus trichloride and chlorine gas at elevated
temperatures by the following reaction:
PC15(g) = PC13(g) + Cl2(g). If Kc = 1.8 at 250°C, what is the value of Kp at the same
temperature?
A) 4.2 x 10-2
B) 8.8 x 10-2
C) 65
D) 77
4) At a certain temperature, bromine and nitric oxide react to form nitrosyl bromide:
Br2(g) + 2 NO(g)=2 NOB1(g).
When initial amounts of Br2, NO, and NOB are mixed, the concentration of NOB increases.
Which statement below is true?
A) Kc <Q
B) Kc > Q
C) Kc =Q
D) More information is needed to make a statement about Kc.

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