What is the frequency of an electromagnetic wave that has a wavelength of 8.5 x 10^2 m in a vacuum? (The speed of light in a vacuum is 3.00 x 10^8 m/s.) A. 1.2 x 10^-3 Hz
B. 2.8 x 10^-6 Hz
C. 3.5 x 10^5 Hz
D. 2.6 x 10^11 Hz

Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.

What is the relationship between particles in matter

Acontainer holds 6.4 moles of gas. hydrogen gas makes up 25% of the total moles in the container. if the total pressure is 1.24atm. what is the partial pressure of hydrogen