Draw an initial model to explain how the spark from the Van de Graaff generator lit the Bunsen burner.

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

What is the mass of 0.46 mol of mgcl2

Water is a highly important natural resource. which of these would be the best method to conserve water? a) drinking bottled water b) monitoring the ph of rivers c) treating and re-using wastewater d) testing nitrate levels in groundwater