Calculate the mass of magnesium oxide formed when 0.52g of magnesium is burned

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

How do i turn 2 s into one in the products

The fact that the total amount of energy in a system remains constant is a(n)