Carbonated drinks in cans have a small amount of space above the liquid level inside the can known as the “headspace.” What woul
2 answers:
Answer: The temperature remains constant.
Explanation: Carbonated drinks have carbon dioxide mixed in water at high pressures as the solubility increases with high pressure. So, when we open the can at atmospheric pressure, the pressure will decrease and the solubility also decreases which will result in the increase in volume.
This phenomena is explained by Boyle's Law:
This law states that pressure is inversely proportional to the volume of the gas at constant temperature and number of moles.
Increase in pressure will result in decrease of volume and vice versa.
So, when we open the can of a carbonated drink, the pressure and volume changes but the temperature remains constant.
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Answer:
"A", "water changes from a gas to a solid to a liquid", according to this phase diagram, at at 0°C, as pressure is increased from 0atm to 10atm.
Explanation:
The question asks what happens at 0°C, as pressure is increased from 0atm to 10atm.
According to the question, the temperature is held constant. The pressure changes. In the phase diagram, we find the temperature 0°C on the horizontal axis, and all points where the temperature are 0°C are along that vertical line.
Since the pressure starts at 0atm and increases to 10atm, we start at the bottom, and move upward along that line, to see what phases of matter the substance changes to.
At the bottom, it is initially in a "gas" phase. As it moves up, it transitions to a "solid" phase. Later, as it continues moving up, it changes again into a "liquid" phase.
Thus, the answer would be "A", "water changes from a gas to a solid to a liquid", according to this phase diagram, at at 0°C, as pressure is increased from 0atm to 10atm.
