In the lab, you dissolve 179 g of MgCl2 into 1. 00 L of water. Find the freezing point of the solution. {Normal freezing point is 0oC and Kf = oC kg/mol}

What semimetal can form four single covalent bonds.

Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here