Sodium (Na) and water (H20) undergo a chemical reaction that produces sodium hydroxide (NaOH) and hydrogen gas (H2) Which equation represents this chemical reaction?
A. 2Na+ H2 - 2NaOH + 2H2O
B. H2 + 2H20 - 2Na + 2NaOH
C. 2Na + 2H20 - 2NaOH + H2
D. 2Na + 2NaOH - 2H2O + H2

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Describe the interaction that occurs between two objects with the same electrical charge.

An experimental procedure requires a 10 ml of acid to be dissolved