5. Which of the following is a chemical reaction?

A Iron rusts

B. Water freezes

C. Sugar dissolves in water.

D. Salt and pepper are mixed in a dish.

6. Abby is trying to Identify different liquids based on their physical properties. She has 4

Which scientist stated that particles "stream" and each particle of light carries a quantum of energy? a) Einstein b) Planck c) Schrodinger d) Bohr

What is the mass of a steel cylinder that has a density of 75.0 g/ml and a volume of 12 ml?

Ca (OH) 2 is added to a large beaker of water. How is the solution different from the original water?

Examples of chemical properties

A solution has a hydroxide ion concentration of 1 * 10-5 M. What is the hydrogen ion concentration of the solution? (a) 1 * 10-1 M (b) 1 * 10-5 M (c) 1 * 10-9 M (d) 1 * 10-14 M

In the reaction, HCl + H2O produces H3O + Cl, what is the conjugate acid

Draw the curved arrow mechanism for the conversion of aniline into benzenediazonium ion, and draw the final product that forms after the benzenediazonium ion is treated with

Sodium chloride is stirred into water to form a solution. in this case, what are sodium chloride and the water?

What can form as a result of a chemical reaction?

A solution of orange juice that weighs 500 g contains liquid juice and solid pulp. All of the pulp is removed from the juice. The pulp is found to weigh 50 g. How much would the remaining liquid juice weigh? A. 50 g B. 250 g C. 450 g D. 500 g