Explain how to identify a starting position on a line

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

In saturated organic compounds, all the bonds between carbon atoms are called?

Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy