2Mg(s)+O 2 (g) 2MgO(s) How many moles of oxygen gas are needed to produce 14 moles of Magnesium oxide

How can you use chemical equations to predict the products of the reaction you can carry out?

The diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

What term is applied to a scientist who studies ancient life, including animal and plant fossils a. anthropologist b. dendroclimatologist c. geophysicist d. paleontologist