Ryan is a 13-year-old male who has just entered puberty. which change can ryan expect during this stage of his life? a thinning of body hair an increase in high-risk behaviors a more restful sleep pattern a decrease in vocal ability

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.

In order to calculate the amount of heat transferred you must know the __ and specific heat of the material, as well as the change in temperature. a. volume b. density c. mass d. enthalpy

What is the value of keq for the reaction expressed in scientific notation