Match each substance with its correct definition.

a. neutral
b. base
c. acid
d. ph scale
e. phenolphthalein

1. a substance with a ph of 3
2. a substance with a ph of 10
3. a substance with a ph of 7
4. an indicator
5. a scale that represents the concentration of h 3 0+, 0-14

Which of the following statements is true? question 4 options: nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

What human activity increases beach erosion?

What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.