Calculate the molarity of a MgSO4 solution prepared by adding 0.27 moles of MgSO4 to
enough water to make 7 L of solution.
Answer in units of M.

Identify the electromagnets with poles that are reversed from the electromagnet shown above

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of tthe table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 9 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Δu of , in kj/kg, as it isto k, (a)as a of , (b) at , (c) at .