What is a single-displacement reaction? a type of reaction that occurs when two simple substances interact to form a single new, more complex compound

a type of reaction that occurs when a single substance breaks down into two or more less complex substances

a chemical reaction that occurs when a substance combines with molecular oxygen, releasing light and heat

a chemical reaction that occurs when one element within a compound is exchanged with another element

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.