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Why must deodorant cans remain at the same temperature and pressure?
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Why don't magnets work on deodorant cans?
The cans are made from aluminium.
How is a spray deodorant made?
Deodorant cans are mostly made from plastics.
What gas do deodorant cans contain?
Deodorants contain CFC's. they deplete ozone layer.
Which is stronger the pressure of the air outside or inside the can?
the pressure difference, depends upon the can, and what it contains, in food cans, the pressure is equil, however in soda pop cans the pressure is higher on the inside
What items are making the ozone layer disappear?
chlorofluorocarbon. CFC... Its in hairsprays, Lysol cans, and another example spray deodorant ....lots of it comes in a can.
Can air pressure crush cans?
a drinks can
Why do you get gas in your oil?
Crude oil is typically removed from very high pressure reservoirs and is made up from a range of different hydrocarbon chains. Gas as you refer would mainly refer to methane which is CH4 and oil as you refer is presumably the liquid fraction at atmospheric pressure. At high pressure CH4 is not a gas but a liquid (LNG is sellable form) and is mixed in with the heavier fractions that are also liquid. Once the crude oil is transferred to the surface, the pressure is reduced considerably. At this low pressure, the CH4 chain is no longer a liquid but evaporates into a gas. The liquid oil has a higher boiling point and stays as a liquid (unless the temperature is increased above the boiling point). On a far simpler level, you wouldn't say that you get 'steam' in your 'water'. at 25degrees Celsius water (H2O) is a liquid. However if you raise the temperature (or lower the pressure) then the liquid water evaporates into gaseous form. Cans of deodorant are similar. At a high pressure inside the canister the 'deodorant' is a liquid. When you push the spray, the pressure is reduced from the high pressure of the inside of the canister to low pressure atmospheric. The liquid boils off. (cooling of the gas also occurs as a result of the joule thomspn effect but that is enough info for now)
Will cans crush under the pressure of heat?
no they will melt if it is hot enough
Why do you store areosol cans in a cool area?
If you increase the temperature, you increase the kinetic energy of the particles in the can. This means they move faster. The faster they move, the more they hit the side of the can. This causes pressure. Lots of pressure inside a can = *BOOM* (like when a coke bottle explodes in a freezer)
Why are tin cans used for aerated drinks?
Because they withstand large amounts of pressure
What chemical properties make aluminum bad for cans?
Aluminum is good for cans. Steel is still used in cans for vegetables, meats etc., because an aluminum can thick enough to survive pressure cooking is more expensive than a steel can.
How do you kill microbes when canning?
The canning process requires the cans to be pressure heated. This sterilises the contents.
