Given the reaction: 2 Na + 2 H20 – 2 NaOH + H2
What is the total number of moles of hydrogen produced when 4 moles of sodium react
completely?

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

The chemical equation below shows the reaction of sodium (na) and chlorine (cl) to form sodium chloride (nacl). 2na + cl2 → 2nacl in this equation, which of the following is a reactant? i. sodium ii. chlorine iii. sodium chloride

What is the formula of the ionic compound composed of calcium cations and chloride anions