Which statement best describes pseudoscience? it is objective and backed by facts. it lacks a process for collecting data. it is constantly updated based on new information. it is closely analyzed before it is made known.

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

1. what is boyle’s law? • state the definition of the law in words. • what are the assumptions of boyle’s law? • write at least one mathematical equation that represents the law. • what can be calculated with boyle’s law? • using a gas-filled balloon as an example, describe what is happening to the gas molecules inside the balloon before and after you squeeze it.

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 5 ohms. what is the voltage?