Please Answer ASAP!! According to the law of definite proportions, the number of atoms at the start of a reaction will be the same at the end of the reaction.

Please select the best answer from the choices provided

T
F

If a || b and e || f, what is the value of y ?

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

How many moles of kci are produced from 2.50 moles k