3. Which of the following is NOT evidence of a chemical change?
A)temperature
B)melting
C)color change
D)appearance of a solid

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?

Is a pencil falling to the floor anon contact force, a force, or a contact force

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)