Equilibrium Constants: Kp and Kc

This video tutorial explains how to calculate the equilibrium constant for partial pressure (Kp) from the equilibrium concentration constant (Kc) and vice versa. It covers the necessary formulas, constants, and steps to balance chemical equations. The tutorial provides examples of calculating Kp and Kc, including converting temperature units and determining delta n. By the end, viewers will understand how to perform these calculations and apply them to chemical reactions.

What is the main purpose of the video tutorial?

• To teach balancing chemical equations

• To explain how to calculate Kp from Kc

• To discuss the properties of methane

• To describe the process of steam production

Which gas constant value is used in the Kp calculation?

• 1.987 cal/mol·K

• 0.08206 L·atm/mol·K

• 8.3145 J/mol·K

• 0.08314 bar·L/mol·K

How is the temperature converted from Celsius to Kelvin?

• By adding 100

• By subtracting 273

• By adding 273

• By multiplying by 1.8

What is delta n in the context of the reaction?

• The sum of the coefficients of reactants

• The sum of the coefficients of products

• The difference between the coefficients of products and reactants

• The total number of moles in the reaction

What is the balanced equation for the reaction of carbon monoxide and hydrogen gas?

• CO + 2H2 → CH4 + H2O

• CO + 3H2 → CH4 + H2O

• 2CO + H2 → CH4 + H2O

• CO + H2 → CH4 + 2H2O

What is the calculated Kp value from the given Kc?

• 9.47 x 10^-4

• 3.5 x 10^-3

• 3.31 x 10^-6

• 2.5 x 10^-5

In the decomposition of ammonia, what is the balanced equation?

• NH3 → N2 + H2

• 2NH3 → N2 + 3H2

• NH3 + H2 → N2 + H2O

• 2NH3 → 2N2 + 3H2

What is the delta n value for the decomposition of ammonia?

• 3

• 0

• 1

• 2

How is Kc calculated from Kp in the example?

• By multiplying Kp with RT raised to delta n

• By dividing Kp by RT raised to delta n

• By adding RT to Kp

• By subtracting RT from Kp

What is the calculated Kc value from the given Kp?

• 6.06 x 10^-5

• 5.676 x 10^-7

• 3.44 x 10^-4

• 2.5 x 10^-6