When Mechanism II for ozone destruction operates with X = Cl and X’ = Br, the radicals ClO and BrO react together to reform atomic chlorine and bromine. A fraction of the latter process proceeds by the intermediate formation of BrCl, which does not decompose and restart the mechanism until dawn.
Deduce why all the bromine exists as BrCl at night, even though only a fraction of the ClO with BrO collisions yields this product.

Which best describes why nh4+ can form an ionic bond with ci-?

Modern pennies are composed of zinc coated with copper. a student determines the mass of a penny to be 2.482 g and then makes several scratches in the copper coaling (to expose the underlying zinc). the student puts the scratched penny in hydrochloric acid, where the following reaction occurs between the zinc and the hcl (the copper remains undissolved): zn(s) + 2 hcl(aq) → h2(g) + zncl(aq)the student collects the hydrogen produced over water at 25 °c. the collected gas occupies a volume of 0.899 l at a total pressure of 79 j mmhg. calculate the percent zinc (by mass) in the penny. (assume that all the zn in the penny dissolves.)

Answer explain why it is not possible to deduce a complete order of reactivity.