5 Questions
When a refrigerated bottle of carbonated beverage has not yet been opened, it feels rigid. When the carbonated beverage is opened, the container is no longer rigid, and an audible hiss is heard. Assume the gases involved in the carbonation of beverages are ideal. Which of the following is TRUE about the gases involved in carbonating the beverage?
The partial pressure of the gas above the beverage solution decreases to atmospheric pressure upon opening the container.
What happens to the rigidity of the container when the carbonated beverage is opened?
The container is no longer rigid.
Assuming the gases involved in the carbonation of beverages are ideal, what happens to the volume of the gas above the beverage solution when the container is opened?
The volume of the gas above the beverage solution increases upon opening the container.
What happens to the audible hiss when the carbonated beverage is opened?
An audible hiss is heard.
Assuming the gases involved in the carbonation of beverages are ideal, what happens to the temperature of the gas above the beverage solution when the container is opened?
The temperature of the gas above the beverage solution decreases upon opening the container.
Study Notes
Carbonation of Beverages
- Before opening, a refrigerated bottle of carbonated beverage feels rigid due to the pressure of the carbon dioxide gas.
- When the carbonated beverage is opened, the container is no longer rigid.
- An audible hiss is heard when the carbonated beverage is opened, indicating the release of pressure.
Changes in the Gas Above the Beverage Solution
- When the container is opened, the volume of the gas above the beverage solution increases.
- The gas expands and occupies more space as the pressure is released.
Temperature of the Gas
- When the container is opened, the temperature of the gas above the beverage solution remains constant, assuming the gases involved in carbonation are ideal.
- The ideal gas assumption means that the temperature of the gas does not change during the process.
Test your knowledge with the Pre-AP Chemistry Semester Exam for the 2023-2024 school year. This comprehensive assessment covers Units 01 through 05 and includes 36 multiple-choice questions and 2 free-response questions. Calculator usage is permitted, and you have 120 minutes to complete the exam.
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