Pls I need help with these questions
I will mark the answer as brilliant

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize