Table of Contents
Why does pumping air into a tire at a constant temperature increase the pressure? The number of molecules increases. Which gas law has the assumptions of a fixed amount and pressure of a gas? At constant pressure and temperature, three tablets produce 600 cm³ of gas.
Why does opening the air valve of a tire at constant temperature decrease the pressure?
Why does opening the air valve of a tire at a constant temperature decrease the pressure? The atmospheric pressure decreases. The volume decreases.
What happens inside when an air filled balloon is squeezed?
When you squeeze an air-filled balloon, what happens inside? It doubles in volume. You place a balloon in a closed vacuum chamber at STP. You reduce the chamber pressure by half.
Which statement explains why you will not find liquid carbon dioxide on the earth’s surface?
Which statement explains why you will not find liquid carbon dioxide on the earth’s surface? The atmospheric pressure is below the triple point.
What is the solvent in an icy glass of lemonade?
In lemonade, water is called the solvent. Sugar and lemon juice are solutes. A solute is matter that dissolves in a solvent. The solvent is often a liquid, such as water.
Which formula is the mathematical representation of Boyle’s Law?
The relationship for Boyle’s Law can be expressed as follows: P1V1 = P2V2, where P1 and V1 are the initial pressure and volume values, and P2 and V2 are the values of the pressure and volume of the gas after change.
What would happen to the gas pressure inside a sealed container if the temperature decreased?
This gas law says that pressure and temperature are directly related ( in terms of K^o degrees Kelvin. ) If the temperature decreases the pressure will also decrease. When the temperature inside the container decreases the kinetic energy will also decrease.
How does the air pressure in a balloon change when it is squeezed?
By squeezing the balloon, you reduce the space the gas particles can occupy. As the particles are pushed a bit closer together, they collide with more, so the pressure from the moving gas particles increases. If the volume increases, its pressure decreases.
What is Boy low?
This empirical relation, formulated by the physicist Robert Boyle in 1662, states that the pressure (p) of a given quantity of gas varies inversely with its volume (v) at constant temperature; i.e., in equation form, pv = k, a constant.
What happens to the air pressure inside a balloon when it is squeezed to half its volume at constant temperature?
At a constant temperature, the air pressure will double inside a balloon when it is squeezed to half its volume.
What would happen if there was no carbon dioxide in the air?
Carbon dioxide is a colorless and non-flammable gas at normal temperature and pressure. A molecule of carbon dioxide (CO2) is made up of one carbon atom and two oxygen atoms. Carbon dioxide is an important greenhouse gas that helps to trap heat in our atmosphere. Without it, our planet would be inhospitably cold.
What would happen if carbon dioxide is removed from the air?
All plants would die because they do not have the CO2 to make food with. So if there was no carbon dioxide, we couldn’t get sufficient air, we can’t breathe it out, and plants start to die.
What does CO2 do to the atmosphere?
Carbon dioxide controls the amount of water vapor in the atmosphere and thus the size of the greenhouse effect. Rising carbon dioxide concentrations are already causing the planet to heat up.
Which process would most likely be employed to separate a mixture of sand and water quizlet?
Which process would most likely be employed to separate a mixture of sand and water? Filtration.
What relationship between temperature and solubility does this graph reveal?
What relationship between temperature and solubility does this graph reveal? The solubility of a solid increases with an increase in temperature.
Which property does an acid have quizlet?
Acids taste sour, react with metals, react with carbonates, and turn blue litmus paper red.
Why is temperature constant in Boyle’s law?
Boyle’s law states that the volume of a given mass of gas varies inversely with the pressure when the temperature is kept constant. The gas molecules are moving and are a certain distance apart from one another. An increase in pressure pushes the molecules closer together, reducing the volume.
How is temperature kept constant in Boyle’s law?
Or Boyle’s law is a gas law, stating that the pressure and volume of a gas have an inverse relationship. If volume increases, then pressure decreases and vice versa, when the temperature is held constant.
Why does the temperature of a gas decreases at constant volume?
If you decrease the temperature of a fixed amount of gas at constant pressure, the combined gas law reduces to Charles’s law. In this case, volume will also decrease.
What causes gas pressure in a sealed container?
Molecules of a gas move randomly. In a sealed container they exert a force when they collide with the container walls and this applies a pressure to the container. This means that they exert a greater force when they collide with the container walls, and also collide with the walls more frequently.
How does pressure affect gas pressure?
The Effect of Pressure on a Gas The pressure and volume of a gas are inversely proportional. Therefore, as you increase the pressure on a gas, the volume decreases.
What happens to the pressure in a sealed container if the amount of gas in the container increases?
If the amount of a gas in a sealed container increases, what happens to the pressure in the container? Pressure increases.
What causes gas pressure?
When more gas particles enter a container, there is less space for the particles to spread out, and they become compressed. The particles exert more force on the interior volume of the container. This force is called pressure.6 days ago.
How does the air pressure in a balloon change when the balloon is squeezed use the kinetic theory to explain why this change occurs?
The air pressure increases. Squeezing reduces the enclosed volume of the balloon without changing the number of particles in the balloon. Consequently, the number of collisions between the particles and the balloon increases.
What stays constant in Charles Law?
Charles’s law, a statement that the volume occupied by a fixed amount of gas is directly proportional to its absolute temperature, if the pressure remains constant. This empirical relation was first suggested by the French physicist J. See also perfect gas.
