14 Which two monomers may combine to form a polyester? O a dicarboxylic acid and an alkene
a pair of carboxylic acids
a dicarboxylic acid and a dihydroxy alcohol
a carboxylic acid and an amine

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

How many neutrons does an element have if its atomic number is 50 and its mass number is 166