Corpus is a Latin word, which. means body. In financial usage, it. means a collection of bonds, stocks, or other holdings, which. form the principal1 of a trust fund. The concept of corpus is closely linked to. the concept of trust.
Physical changes occur when objects or substances undergo a change that does not change their chemical composition. This contrasts with the concept of chemical change in which the composition of a substance changes or one or more substances combine or break up to form new substances. In general a physical change is reversible using physical means.
Why wouldn't it be chemical because any heat being transfered is having to do with a chemical change. A physical property is like a boiling point or a melting point, or a color change or a change of state. A chemical change describes the ability to function in a chemical reaction. It's a physical property.