Why is the chemical energy of a battery potential energy and not kinetic energy

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

0.2348 grams of pbcl2 used to form 44.0 ml of solution.

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?