What is the density of water and in order for something to float, must its density be higher or lower?

Drag each description into the most appropriate bin. heterogeneous catalyst

A chemist is about to perform a titration by adding a base to an acid. what is the most important reason for using a base instead of water to rinse out the burette?

Why is it necessary to mix the solution very rapidly when the bleach is added?

Are there any molecules that form a square?

What do repeated trials in an experiment allow a scientist to do?

If a new substance is formed in a chemical reaction, what atoms do they consist of?

What is a scientific explanation for a range of hypotheses and observations supported by testing

A chemical reaction involves the rearrangement of atoms to form new molecules. During a chemical reaction, however, atoms are neither created nor destroyed. Which of the following is true about the atoms involved in a chemical reaction? A.

What is the new concentration, after diluting 300 mL of a 1.5 M LiCl solution to 1L

The answer that he gave was wrong