1. Calculate the pH of the solutions, given the following (H'), and then identify the solution as acidic, basic, or neutral. a) [H") = 1.2 x 102 M
b) [H'] = 5.8 x 10'M
c) [H] = 3.92 x 10-12 M
d) (H') - 4.52 x 10' M

Which statement is usually true about the relationship between activation energy and reaction rates? low activation energy barriers result in low rates. high activation energy barriers result in low rates. low activation energy barriers result in no reaction. high activation energy barriers result in no reaction.

What is the correct lewis dot structure for arsenic?

Which is true concerning the products and reactants of photosynthesis and cellular respiration? a. the products of photosynthesis are sugars and the reactants of cellular respiration are starches. b. the products of photosynthesis are reactants in cellular respiration. c. oxygen is needed for photosynthesis and is given off in cellular respiration.