The general rule is that once jam, or any perishable food, has been opened it should be returned to the fridge within 2 hours.
Because the temperature is the same inside and outside the can, moisture condenses on the outside once you take the can from the fridge into a warmer humid place, however this would not happen if you took the cold can to a place at least as cold as the fridge.
Temperature is usually warmer outside of the fridge.
I need to have my fridge fixed. Are there any companies specifically dedicated to appliance repair?
It's to reflect the heat away from the fridge, reducing heat radiation, therefore keeping the fridge cooler.
Yes, there is the option of a portable fridge that is specifically done for car use. Therefore this portable fridge is usually called a car fridge. This fridge uses a 12 Volt power supply.
The energy comes from the heat taken from the heat/energy inside of the refrigerator/fridge. A fridge takes heat energy from inside the fridge and dumps it outside the fridge into the the pipes on the back of the fridge and into the room.
The coolant absorbs heat inside the fridge, carries it outside, and releases the heat to the air.
electromagnetic force - specifically magnetic
yes
leave it outside
It works by pumping the heat that is inside the fridge to the outside, leaving the inside cold. If you put your had behind a fridge you can feel the heat emerging.
because its insulated like a starefome cooler