Pressure and volume changes at a constant temperature can be calculated using
a. boyle’s law.
c. kelvin’s law.
b. charles’s law.
d. dalton’s law.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm

Acombination reaction is when two or more combine to form one product. a decomposition reaction is when a substance breaks down into two or more simpler substances in a chemical reaction.