Abeaker contains a solution of calcium hydroxide (ca(oh)2) in water. a student places a straw in the beaker and then breathes into the solution through the straw. as the student breathes into the solution, a white precipitate forms. what is the most likely composition of the precipitate? h2o caco3 ch3oh

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?

How does a noncompetitive inhibitor reduce an enzyme’s activity?