Which of these statements is an example of a prediction? A;birds are red, blue, and brown. B;birds are large. C;if you walk near them, they will fly away. D;the bloods are warm blooded

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

If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?

What can happen to an atoms electrons when an electric current is passed through the atom?