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What happens if a piston is used to decrease the volume of a contained gas?
Wiki User
∙ 9y ago
The volume will increase as the piston moves downward. If the cylinder is sealed and the gas can not escape, the pressure in the cylinder will decrease. If the cylinder has a small opening as in a motor, the higher pressure outside will push in air that will mix with fuel to ignite when the spark plug is fired.
(Supv note: it is not possible to have negative pressure. You can have zero pressure but not a deficit.)
Wiki User
∙ 14y ago
Wiki User
∙ 6y agoIf the temperature remains constant, decreasing the volume will increase the pressure.
anon
Wiki User
∙ 7y agoThe pressure increases. Initially, when the gas is compressed, it will also usually heat up.
Wiki User
∙ 10y agothe volume of the gas increases.
Wiki User
∙ 9y agoGas particles become compressed.
Wiki User
∙ 14y agoNoonan?
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If the volume of a cylinder-piston arrangement containing a gas is increased by a factor of eight and the temperature is doubled the pressure inside the piston will by a factor of?
Decrease, 4
What causes increase in pressure of a contained gas?
If the gas is confined by volume then the temperature must decrease. Given by the ideal gas equation pv=nrt on the left pressure time volume. If the volume is constant then the decrease in value of the left hand side of the equation has to compensated by a change in the right hand side. n= no of moles (a measure of the number of atoms present) R= gas constant so the only variable is T temperature which must decrease
What will happen to the pressure inside a cylinder with a piston when its volume is reduced while staying at a constant temperature?
The pressure will increase, proportionally to the decrease in volume. The Gas Law is PV=RT; then PdV + VdP = 0 if the Temperature stays constant.
If the number of moles of gas decrease what happens to the volume?
According to Avogadro's Law, the number of moles is proportional to the volume. Therefore, if the number of moles of gas decreases, the volume also decreases.
What will happen to pressure when gas expands and volume increases?
As the pressure increases, the volume wil decrease.
In regards to a fluid rotary pump with all other factors equal does increasing piston size and lift decrease or increase pressure and why?
In general, increasing the diameter of a piston will only increase the volume of fluid the pump will move. Increasing the stroke, however, will increase pressure. The piston will rise higher in the cylinder to more fully compress the volume of fluid contained.
What happens to the volume of the gas if the pressure increased?
Volume decrease.
If the volume of a cylinder-piston arrangement containing a gas is increased by a factor of eight and the temperature is doubled the pressure inside the piston will by a factor of?
Decrease, 4
What happens when you press the noble gas?
The volume decrease.
How are temperature and air mass related?
For a given volume and pressure, the mass of the air contained in that volume (density) will decrease as the temperature increases.
What happens to density if the volume increase?
must decrease
Can energy as work be transferred to an incompressible fluid contained in an insulated cylinder fitted with a frictionless piston?
no, because there will be no change in volume
When the volume of a cell increases what happens to the production of waste products?
decrease :)
What happens if mass is decreased and volume remains constant?
The density will decrease
What happens when pressure is increased on gases?
The volume decrease and the density increase.
What happens to volume during phase changes?
Volume increases with increase in temperature, and decreases with decrease in temperature.
What happens to the density as the volume increases?
If volume increases while mass remains the same, the density will decrease.
