Amixture has particles that cannot be seen but do reflect light
it should be classified as a
homogeneous mixture
suspension
solution
colloid

Imagine that you have produced several versions of lactase, each of which differs from normal lactase by a single amino acid. describe a test that could indirectly determine which of the versions significantly alters the three-dimensional shape of the lactase protein.

Which of the following statements about acidic water is true? a. acid has no effect on the h, o molecules. b. the solution contains a larger number of oh ions than h, o ions. c. the solution contains a larger number of h, o ions than qh ions. d. the solution contains an equal number of h, o ions and oh ions. none of the above e.

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons