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Equilibrium Expressions
Kc & Kp Relationships
Equilibrium Math
Le Chatlier's Principle
Trivia
100

Identify the equilibrium expression for the given chemical reaction. 

A(g) +B(g) <--> C(g)

Keq=[C]/[A][B]

100

At 300K, the Kc of the given chemical reaction is 4.0. Identify the equilibrium constant for partial pressures.

A(g)⇌B(g)

Kp = 4.0

100

At 25oC, the given chemical reaction starts with 1.0M of A and proceeds to equilibrium. What is the concentration of B if the Kc is 2×10−5.

A(aq)⇌B(aq)

[B]eq = 0.1M

100

Given the chemical reaction A2(g)⇌2B(g) in which equilibrium is established in a container. Which way will the reaction shift if more [B] is added?

Left 

100

In Disney's Cinderella, what are the names of Cinderella's two stepsisters?

Anastasia and Drizella

200

Identify the equilibrium expression for the given chemical reaction. 

2B(g)+G(s) <--> 2A(g)

Keq=[A]2/[B]2

200

At 298K, the given chemical reaction has a Kc of 1.50. What is the equilibrium constant for partial pressures?

2X(g)⇌Y(g)

Kp=0.0612

200

At 35oC, the given chemical reaction start with 0.50M of X and proceeds to equilibrium. What are the concentrations of X and Y at equilibrium? Kc = 5x10-6.

2X(aq)⇌Y(aq)

[Y]eq=1.25×10−6M

[X]eq=0.499 M

200

Given the exothermic chemical reaction, in which C(aq)+D(aq)⇌2E(aq). Which way will the chemical reaction shift if the temperature is increased. 

Left

200

The destruction of Pompeii in 79 AD was done by what volcano?

Mt. Vesuvius

300

Identify the equilibrium constant for the given chemical reaction.

A(s)+2B(aq)⇌C(aq)+D(g)+E(s)

Keq=[C][D]/[B]2

300

At 350K, the given chemical reaction has a Kc of 0.80. What is the equilibrium constant for partial pressure? 

A(g)+B(aq)⇌C(g)

Kp = 0.80

300

Given the following chemical reaction, 0.050M of F proceeds to equilibrium, identify the concentrations of the reactants and products at equilibrium if the Kc=3.0x10-6.

F(aq)⇌H3(aq)+G2(aq)

[F]eq = 0.0496M

[H3]eq= 3.87x10-4M

[G2]eq = 3.87x10-4M

300

Given the endothermic chemical reaction, where F5(g)⇌F3(g)+G2(g). Which way will the reaction shift if pressure is increased?

Left

300

What is the name of Princess Leia's home planet in Star Wars?

Alderaan

400

Identify the equilibrium constant for the given chemical reaction. 

3F(aq)+G(l)⇌2H(g)+I(aq)

Keq=[H]2[I]/[F]3

400

At 400K, the given chemical reaction has a Kc of 6.4. What is the equilibrium constant for partial pressures? 

2D(g)⇌E(g)+F(g)

Kp=6.4

400

The following chemical reaction initial starts with 0.10M of H and 0.10M of I. The reaction proceeds to equilibrium with a Kc of 1.5x10-2. What are the concentrations of the reactants and products at equilibrium?

H(aq)+I(aq)⇌J2(aq)

[H]eq = 0.09985M

[I]eq = 0.09985

[J2]eq = 0.00015M

400

Given the endothermic chemical reaction, where H(aq)+I2(aq)⇌J2(aq). Which way will the chemical reaction shift if [J2] is continuously removed from the solution?

Right

400

What is the name of the highest uninterrupted waterfall in the world?

Angel Falls

500

Identify the equilibrium constant for the given chemical reaction.

2J(g)+K(aq)+L(s)⇌M(g)+3N(aq)+O(l)

Keq=[M][N]3/ [J]2[K]

500

At 500K, the given chemical reaction has a Kp of 12.0. What is the equilibrium constant of concentrations?

2G(g)+H(g)⇌3I(g)

Kc = 12.0

500

The chemical reaction, where K2+L2⇌2M3, initially starts with 0.20M of K2 and 0.20M of L2 and proceeds to equilibrium. What are the concentrations of reactants and products if the Kc is 4.0x10-3.

[K2]eq = 0.1939

[L2]eq = 0.1939M

[M3]eq = 0.0123M

500

Given the exothermic chemical reaction, where K2(g)+3L2(g)⇌2M3(g). Which way will the reaction shift if the temperature is decreased from 30oC to 20oC? The volume is increased to double?

**Two Answers

Temperature response -- right

Volume response -- left

500

What is the technical name of the "#" symbol?

Octothorpe