Question: The tides are periodic rises and falls of large bodies of water on Earth. Describe the cause of the tides on Earth. Use an drawing to help illustrate the cause of tides. Explain why there are two high days per day in one location.

In which reaction is precipitation occurring?

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )