NFL regulations require all footballs to be inflated to between 12.5 and 13.5 psi. One football was found to have a pressure of 84.3 kPa. If 1 psi is equal to 8.895 kPa, what is the pressure of
this ball in psi?

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

If a solution had a ph of 7 what is the solution

Which of the following is the correct formula for copper (i) sulfate trihydrate? cuso4 · 3h2o cuso4(h2o)3 cu2so4(h2o)3 cu2so4 · 3h2o