When vinegar and baking soda are combined, bubbles begin to form. bubbles are evidence of a chemical reaction because they - a. pop when they are touched. b. show that a gas is forming. c. form at a fast rate. d. are generally transparent.

Give the set of reactants (including an alkyl halide and a nucleophile) that could be used to synthesize the following ether: draw the molecules on the canvas by choosing buttons from the tools (for bonds and charges), atoms, and templates toolbars, including charges where needed. ch3ch2och2ch2chch3 | ch3

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

Which of the following words describe the reality that the universe looks the same from various perspective