Which of these is an indication that a chemical reaction has occurred?

A. melting of a substance

B. boiling of a substance

C. formation of a precipitate

D. freezing of a substance

The process of cell division that creates sex cells reproducing organism is called? A. mitosis B. meiosis C. replication

What are transferred in an oxidation-reduction reaction

Which molecule is the "energy cash" of the cell? Carbon dioxide glucose ATP oxygen Really Sorry To Bug People! But I'm Really Unsure Of This I Want To Get A Good Grade In Science! So Sorry I Couldn't Find The Label Science So I Chose Chemistry!

How many total atoms are there in the formula Co2 (CrO4) 3?

Reactions between atoms occur when: an atom seeks to fill its outer shell of electrons an atom seeks to balance its positive and negative charges the reaction will result in paired electrons

Most fruit juices are a solution of water, sugar, and fruit-specific chemicals. in this solution, identify the solvent and solutes.

What reaction shows one element taking the place of another in a compound?

An industrial chemist is studying a sample of an unknown metal. Describe two ways he could change the metal physically and two ways he could change the metal chemically to try to identify it.

Which of the following elements is the most nonreactive? H, fe, Au, O, Ne

Which is most likely why many scientists reject the cold fusion theory? There is too much waste involved in the process. Cold fusion experiments have been conducted at room temperature only.