Which of the following is true when comparing two substances - one has a pH of 9 and the other has a pH of 8 O The substance with a pH of 8 is 100 times more basic than the substance that has a pH of 9 The substance with a pH of 9 is 10 times more acidic than the substance that has a pH of 8 The substance with a pH of 8 is 10 times more basic than the substance that has a pH of 9 O The substance with a pH of 9 is 10 times more basic than the substance that has a pH of 8​

Who is better, messi or cristiano, i need this for a chemistry class. asap

1.aluminum chloride (alcl3), and sodium hydroxide (naoh) can react to form aluminum hydroxide (al(oh)3) and sodium chloride (nacl).    you have 13.4 g of aluminum chloride and 10.0 g of sodium hydroxide. answer the following questions: •what is the balanced equation for this reaction? •if you use all 13.4 g of aluminum chloride, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •if you use all 10.0 g of sodium hydroxide, how many grams of aluminum hydroxide can be formed? work must be shown to earn credit •how many grams of aluminum hydroxide will actually be made?     which reagent is limiting? explain your answer.

Select the correct answer. when carbon dioxide dissolves in water, it sometimes reacts with water to form carbonic acid as in this balanced equation: co2 + h2o → h2co3. if 495 milliliters of carbon dioxide at 25°c and 101.3 kilopascals reacts with excess water, what is the theoretical yield of carbonic acid? use the periodic table and the ideal gas resource a. 0.889 g b. 1.10g c. 1.27g d. 2.02g what's the answer! quick!