valence Bond theory predicts that tin will use which hybrid orbitals in Snf5 -1. sp3d sp3d2 sp3 or sp2​

Which best explains why an iceberg floats?

What was bohr’s contribution to the planetary model

How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.