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How many moles are in a container with a volume of 12.6 L and a pressure of 115 kPa at a temperature of 28.1 C?
Wiki User
∙ 9y ago
The number of moles is 0,579.
Wiki User
∙ 8y ago
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What are the four variables in the ideal gas law?
Pressure, volume, temperature & the amount of gas.
Pressure is used to increase the volume of gas?
An increase of the temperature or a decrease of the pressure.
How are pressure volume and temperature of gases related?
The temperature, pressure, and volume of gases can be related by the ideal gas equation. PV = nRT where P is pressure, V is volume, n is moles, R is that ideal gas constant, and T is the temperature in Kelvin.
How many moles of N2 are in a flask with a volume of 250ml at a pressure of 300.0 kPa and a temperature of 300.0 K?
The number of moles is 0,03.
What happens to the pressure when volume increases or decreases and temperature stays constant?
When the temperature is increased, the volume of a container gets larger, and vice versa. This can be found by examining one of the fundamental laws of gasses, the combined gas law. It states that the product of pressure and volume, divided by temperature yields a constant value: pV/T=k Where k is a constant with units of energy/temperature. Thus, in order for k to remain constant, temperature and volume must be varied inversely to one another.
What would the effect on temperature and volume be if you changed the number of moles of gas in a container?
In a container the volume remain constant but the pressure increase.
What are the four variables in the ideal gas law?
Pressure, volume, temperature & the amount of gas.
How can the amount of moles of a gas be related to the pressure volume and temperature of the sample?
Depending on your experiment, the number of moles will or will not change. If the gas is in a sealed container, then obviously the number of moles does not change. But if the gas is in an open container, then the gas is free to move. In this case, raising the temperature would cause the number of moles to go down. Because the temperature is going up, the pressure increases also. When the pressure goes up, the volume goes up, meaning the gas "wants" to spread out. In an unsealed container, the gas will leave and you will end up with less moles within the container.
When is pressure useful?
when determining volume, moles, weight, and/or temperature
The volume of a gas is directly proportional to the number of moles of that gas if?
the pressure and temperature are held constant. ideal gas law: Pressure * Volume = moles of gas * temperature * gas constant
Why does vapor pressure increase with an increase in temperature?
PV=nRT where P=pressure, V=volume, n=no. of moles, R=gas constant, T=temperature(K) since volume and the number of moles remain constant, they can be ignored and we can assume:- that P is proportional to T and thus if temperature is increased, pressure will also increase.
If the volume and number of moles of gas are held constant as the temperature increase what will the pressure do?
The volume decrease.
Pressure is used to increase the volume of gas?
An increase of the temperature or a decrease of the pressure.
What happens to pressure on the molecule level when the number of moles of gas is increased at constant volumeWhat happens to the number of collisions with the side of the container?
Pressure in a constant volume (container) is directly proportinal to the number of moles and to the absolute temperature (in K)p :=: n * T with ':=:' meaning 'proportianal to' (not: equal to!)The number of collision is related to and determined by the pressure-value only! (pressure is the result ofcollisions only)
If you wanted to predict how temperature will effect the volume of a gas what factors must be held constant?
If temperature increases, then pressure increases. Temperature measures the average speed of particles, so if the temperature is high, then the particles are moving quickly and are colliding with other particles more forcefully. Pressure is defined as the force and number of collisions the particles have with the wall of its container. So if the high temperature causes the particles to move quickly, they are going to collide more often with the container, increasing the pressure. This remains true as long as the number of moles (n) remains constant.
How many moles are there in a 3 L container at 1 ATM pressure and 293 k use PVnRT?
This is another calculation. there are 0.123 moles inn this volume.
How can pressure be increased or decreased?
Increase pressure: decrease volume, increase temperature, increase moles of substance. Decrease pressure: do the reverse
