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Answer: Boyle's Law states if the temperature of gas remains the same, adding pressure will decrease the volume of the gas.
Explanation: The assumptions of Boyle's law basically states that if the temperature is constant, pressurizing the gas will cause a decrease in the overall volume of the gas.
The law can be represented with the following equation:
P1 x V1 = P2 x V2
Boyle's law can calculate the volume of a gas after it undergoes a pressure change. For example, if the volume of a gas is equal to 2.2 liters at a pressure of 1.3 atm, what happens to the volume of the gas if the pressure is decreased to 0.75 atm? You can determine that after plugging in the values into the equation.
1.3 atm x 2.2 L = 0.75 x V2
Next, multiply 1.3 atm by 2.2 L. Then, divide both sides of the equation by 0.75 to get 3.81, which can be rounded to 3.8. The answer is 3.8 L = V2.
So, this shows that when the pressure is decreased, the volume increases. The relationship between pressure and volume is inversely proportional, and the opposite would happen if the pressure was increased.
If you had a balloon, the gas molecules inside would be constantly in motion, and all spaced out. However, if the balloon was put under pressure, the molecules would become more closely packed together as the space decreased inside. So, according to Boyle's Law, the volume inside the balloon would decrease due to the pressure increasing if the temperature is constant.
Boyle's law
Definition:
According to Boyle's law, the pressure of an ideal gas increases with a decrease in the volume of the container at a constant temperature.
Pressure is inversely proportional to volume.
Assumptions of Boyle's law:
The assumptions made in the law are that the temperature and number of moles of gases or amount of gas within a closed system are constant.
Mathematical representation:
PV = k
P is the pressure of the gas
V is the volume of the gas in the container
k is constant
What can be calculated with Boyle's law?
We can calculate pressure and volume using Boyle's law.
The balloon is inflated with air, and as the air pressure presses on the rubber, the balloon expands. The balloon's unsqueezed portion will expand outward if one end is squeezed, reducing the volume and increasing pressure inside.
Learn more about Boyle's law here:
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