Before a bond breaks in a chemical reaction, what happens? neutrons in the nucleus expand. energy is absorbed. the products get larger. an atom loses its protons.

Herbivores, carnivores, and omnivores are all types a. decomposers b. producers c. consumers d. biomes

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

The vapour pressure of benzene is 53.3 kpa at 60.6 °c, but it fell to 51.5 kpa when 19.0 g of a non-volatile organic compound was dissolved in 500 g of benzene. calculate the molar mass of the compound.