Metals are good conductors of heat. ... It increases the surface area exposed to the air and transfers heat to the air. It is this increased heat transfer to the air that causes the coffee to cool faster with a metal spoon in the
Because even though its absorbed the heat it will not decrease but if you stir the temperature of the hot coffee will decrease because it's evaporating.
A metal spoon in a cup of hot coffee will act as a radiator, conducting heat to the air. If you stir it as well, you are bringing the hotter liquid from the centre of the cup to the edges, where it can cool faster. ... The fastest way to cool your coffee down is to add a bit more milk, or a splash of cold water.
Answers & Comments
Answer:
Metals are good conductors of heat. ... It increases the surface area exposed to the air and transfers heat to the air. It is this increased heat transfer to the air that causes the coffee to cool faster with a metal spoon in the
cup.
Explanation:
hope it helps
Answer:
No
Explanation:
Because even though its absorbed the heat it will not decrease but if you stir the temperature of the hot coffee will decrease because it's evaporating.
A metal spoon in a cup of hot coffee will act as a radiator, conducting heat to the air. If you stir it as well, you are bringing the hotter liquid from the centre of the cup to the edges, where it can cool faster. ... The fastest way to cool your coffee down is to add a bit more milk, or a splash of cold water.