Author Question: Hydrogen and oxygen molecules in a sample of gas have the same temperature. This means the hydrogen ... (Read 357 times)

erika · **on:** Jul 29, 2018

Hydrogen and oxygen molecules in a sample of gas have the same temperature. This means the hydrogen molecules, on average, have the same

A) speed and the same kinetic energy.
B) speed, but more kinetic energy.
C) speed, but less kinetic energy.
D) kinetic energy, but more speed.
E) kinetic energy, but less speed.

Question 2

Firefighters find that the temperature of burning material is best lowered when water is

A) used in small amounts.
B) pointed away from the flames.
C) sprayed as a fine mist.
D) salted.