What color of the spectrum contains the least amount of energy? A. Red
B. Brown
C. Green
D. Violet

8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?

Amethod of separation that employs a system with two phases of matter, a mobile phase and a stationary phase, is called