16 Questions
What causes the fizzing sound when a can of soda is opened?
The release of pressurized carbon dioxide gas
Why does squeezing a can of soda cause the pressure of the CO2 gas in the solution to increase?
Squeezing reduces the amount of space occupied by CO2 gas molecules
What is in dynamic equilibrium when a can of soda is opened?
CO2 gas above the liquid and CO2 gas dissolved in the liquid
What prevents carbon dioxide dissolved in the liquid from escaping when a can of soda is opened?
The pressure from the CO2 gas above the liquid
What causes the appearance of bubbles rising and popping when a can of soda is opened?
Escape of carbon dioxide gas from the liquid
On a hot sunny day, why does a can of soda feel refreshing to drink?
The CO2 gas creates a refreshing sensation on the tongue
Which mathematical expression represents the relationship between pressure, volume, number of moles, and temperature of a gas?
P = nRT/V
When a gas is compressed, what happens to its pressure?
It increases
What does Kp represent in the context of chemical equilibrium?
Equilibrium constant using partial pressures
What is the general form of the expression for Kp in terms of partial pressures?
(P_reactant1 * P_reactant2) / (P_product1 * P_product2)
What does Kc represent in the context of chemical equilibrium?
Equilibrium constant using concentrations
Which term should be raised to the power equal to the coefficient of the substance in the chemical equation when writing the Kp expression?
Partial pressure
What happens to the numerical value of Kc compared to Kp for a given reaction?
It is generally different
What does the gas constant 'R' represent in the ideal gas equation?
'R' is a constant
What does n/V represent in the rearranged ideal gas equation 'P = nRT/V'?
Molar concentration (M)
Which law states that at constant temperature, the pressure of a given amount of gas is inversely proportional to its volume?
Boyle's law
Test your understanding of relating Kc and Kp for homogeneous gaseous equilibria with this quiz. This quiz covers the concept of chemical equilibrium, specifically focusing on Kc and Kp expressions in chemistry.
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