47. describe the shapes and relative energies of the s, p, d, and f atomic orbitals.

What does the mass of 0.7891 mol of ferric oxide (fe2o3)

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.