20 ! balance the following redox equation using the oxidation-number-change method. describe each step you use to balance the reaction. hcl(aq) + zn(s) zncl2(s) + h2(g)

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted

Stage in which a typical star has completely stopped fusion