Can you pressure cook a pint jar in a pressure cooker?
Yes you can pressure cook a pint jar in a pressure cooker.
Jars, presumably glass ones, can not withstand the pressures that a pressure cooker make. A pressure cooker increases the pressure in the pan, so you need a lower temperature and a shorter time to cook something, but jars burst when the pressure inside and outside the jar differ too much. It's best not to use them together.
What can be canned without a canner or pressure cooker and does not need to be cooked in a hot bath either i am Looking for things i can put in a jar and will last?
Some things are canned in a hot water bath. They do not need to be in a pressure cooker. A canner is just a tall pot with a lid. The food in the jars is heated close to boiling with the lids loosely on. After it is heated, the jars are removed and the lids tightened. As the food cools, a vacuum will form in the jar sealing it.
Sometimes you boil the lids and sometimes you don't. If you are canning with either a hot water bath or in a pressure cooker, you do not need to boil the lids. If you are canning something that is put into the jar hot and is not going to be processed in the the bath or pressure cooker, you boil the lid to soften the rubber in the lid that forms the seal.
The balloon exists in a separate pressure system from the bell jar itself. As the balloon is open to the surrounding air, the pressure within the balloon is 1 atm (1 atmospheric unit of pressure = 105 Pa). When pressure is decreased within the jar, the pressure within the jar decreases to a value lower than 1 atm. Therefore, to counter the low pressure created in the jar, the atmospheric air moves into the balloon…