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Which of the following best describes the kinetic theory?
Atoms and molecules are always moving or vibrating.
The kinetic theory of matter states that matter is made of particles whose speed is dependent on what?
The kinetic theory of matter states that matter is made of particles whose speed is dependent on their mass and temperature. The kinetic theory states that particles in matter are always in motion.
What happens to the volume of a gas when the number of moles doubles (all else held constant)?
When the number of moles of a gas doubles and all else is constant, then the volume also doubles.
When the Kelvin temperature of an enclosed gas doubles what do the particles of the gas do?
Temperature is proportional to energy and energy of gas particles is related to their velocity via E= 1/2mv2. So if the temperature doubles then the velocity of the individual particles increases by (4dE/m)1/2 =v
What will result from increasing the temperature of gas?
Increasing the temperature of a gas will generally increase its pressure and volume, assuming constant mass. Higher temperature will cause the gas particles to move faster and collide more frequently with the container walls, leading to an increase in pressure. The volume of the gas will also expand as the gas particles move farther apart from each other.
What When the volume and number of particles of a gas are constant is also constant?
The temperature and pressure.
When the volume and number of particles of a gas are constant is also constant?
The temperature and pressure.
How does reducing the volume of gas affect its pressure if the temperature of the gas and the number of particles are constant?
The pressure is now higher.
How does the kinetic theory explain the fact that the pressure of a gas in a sealed container remains constant indefinitely provided the volume and temperature are kept constant?
because according to kinetic theory number of collisions exert force per unit area(pressure) so when the temperature is constant along with volume then the same number of collisions are taking place per unit time thats why pressure remains constant....
What the increasing temperature doas to the particles and how this affects the number of collisions?
Increase in temperature cause the particles to move faster, which in turn would increase the number of collisions. If the volume did not change and the temperature increased, the pressure would also increase.
What is the temperature of a gas proportional to?
General Gas Law: p.V = n.R.T , soT = p.V/nR , hence Temperature is direct proportional to pressure and Volume.T = temperature, p = pressure, V = volume, n = number of moles,and R = gas constant
What effect does raising the temperature of a gas have on its pressure if the volume of the gas and the number of particles are kept constant?
Raising the temperature of a gas will increase its pressure, following the ideal gas law (PV = nRT). As temperature increases, the average kinetic energy of the gas particles also increases, leading to more frequent and forceful collisions with the walls of the container, resulting in higher pressure.
What happens to the average kinetic energy of the particles the pressure and number of collisions when the temperature is decreased?
When the temperature is decreased, the average kinetic energy of particles decreases since temperature is directly related to the average kinetic energy of particles. As a result, the pressure and number of collisions between particles will also decrease because particles will have less energy to move and collide with each other.
What happens if Kinetic energy of a gas is lowered?
the pressure decreases D:
When gas is pumped into a small rigid container the pressure inside the container increases as more particles are added if the number of particles are doubled than the pressure will double what woul?
If the number of gas particles in a small rigid container is doubled, the pressure inside the container will also double, assuming the temperature remains constant. This is because pressure is directly proportional to the number of gas particles in a closed system according to the ideal gas law.
If the volume and number of moles of gas are held constant as the temperature increase what will the pressure do?
If the volume and number of moles of gas are constant, then according to the ideal gas law, pressure is directly proportional to temperature. As temperature increases, the pressure will also increase in order to maintain equilibrium.
Why if a gas is present at 27 Celsius its volume becomes doubled when temperature increases to 327 Celsius under constant pressure?
pV = nRT we can firstly assume that n (number of moles) and R (gas constant) do not change and as pressure is also kept constant, the temperature must be proportional to the volume. Thus if temperature is increased from 27C (300K) to 327C (600K) and is doubled, the volume must also double.
