When fat comes in contact with sodium hydroxide, it produces soap and glycerin. Determine whether this is a physical change or a chemical change. Explain your

Chemical change

Explanation:

A physical change is defined as the change in which a change in shape, size takes place. No new substance gets formed in these reactions.

A chemical change is defined as the change in which a change in chemical composition takes place. A new substance is formed in these reactions.

Thus when fat comes in contact with sodium hydroxide to produce soap and glycerin, it is termed as a chemical change.

answer; i do believe the correct answer is (river); /// good luck

c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.