What two elements make up the most abundant seawater salt?

Changing colors is not an indication of a chemical change.

Which factor impacts the possible number of ways in which different atoms can be put together? An atom's inability to share neutrons and protons The ability of atoms to combine in unlimited ways An atom's inability to react with all elements in the

A flask contains 0.330 mol of liquid bromine, br2. determine the number of bromine molecules present in the flask. express your answer numerically in molecules.

Cirrus clouds form at a height of more than 6,000 meters above earth which inequality represents h, the height, in meters, of cirrus clouds

P4 (s) + 5O2 (g) ⟶ P4 O10 (s) ΔG° = - 2697.0 kJ/mol 2H2 (g) + O2 (g) ⟶ 2H2 O (g) ΔG° = - 457.18 kJ/mol 6H2 O (g) + P4 O10 (s) ⟶ 4H3 PO4 (l) ΔG° = - 428.66 kJ/mol (a) Determine the standard free energy of formation, ΔGf °, for phosphoric acid.

What is the relationship between law of conservation and chemical reaction?

How quickly must non-frozen ready-to-eat foods be consumed? 24 hours . 48 hours . 3 days . 7 days

I need a essay on what I learned in chemistry

1. What is the relationship between temperature and pressure of a gas in a closed system? 2. What is the relationship between the pressure and volume of a gas at a constant temperature

An atom of aluminum has an atomic number of 13 and a mass number of 27. How many neutrons does it have?