Calculate the number of moles of aluminum, sulfur, and oxygen atoms in 9.00 moles of aluminum sulfate, Al2(SO4)3.

Determine the reaction and balance the following equations urgent due in the morning

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.