Question

1. oil and water were poured into a funnel to separate the substances. only the water flowed through the separating funnel into the conical flask below.

a. explain which part of the experiment was made up of a mixture (provide your reasoning).
b. explain which part of the experiment was made up of a compound (provide your reasoning).

Explanation:

a. The oil - water combination in the funnel is a mixture as they are physically combined and can be separated by density differences.
b. Water in the conical flask is a compound as it is made of hydrogen and oxygen chemically bonded.

Answer:

a. The oil - water in the funnel is a mixture because they are not chemically combined and can be separated physically.
b. Water in the conical flask is a compound as it consists of two elements (H and O) chemically bonded.