Why doesn't oil dissolve in water? oil molecules are non–polar. oil molecules carry a net negative charge. oil molecules carry a net positive charge?

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation:

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

An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³