If you could measure the mass of the substances inside the cup before and after the reaction, you would see that the mass decreased over a course of the reaction. Explain the difference.

A solution of toilet bowl cleaner has PH of 13 the solution is?

Which of the following is the correct expression for the rate of the following reaction

A discovery only brings extensive change when

Why must the retina be smooth in a living eye

An atom's outermost electron arrangement determines how it interacts with other atoms. Which of the following atomic structures would be most likely to form an ionic bond? A. neon, which has eight outer electrons B.

Which of the following is a characteristic of nonmetals? a. nonmetals are often shiny and hard. b. nonmetals are often malleable. c. Nonmetals do not conduct electricity. d. nonmetals are often ductile.

How does a change in temperature affect the kinetic energy of the particles in a reaction?

Which characteristic best identifies an Arrhenius base

Which statement correctly describes why a compound is a pure substance? O A compound is not a pure substance because each of its molecules is m elements A compound is a pure substance because its molecule cannot be broken O A compound is not a pure

What negative impact did chemistry have on society through the production and use of chlorofluorocarbons?