If 20.0 g of Mg react with excess HCl, how many grams of MgCl2 are produced in the following reaction: Mg(s) + 2HCl(aq) —> MgCl2(aq) + H2(g)

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

The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.