The boiling point of a substance is affected by
a.

the mass of the substance.
b.

the substance’s volume.
c.

the pressure of the air above the substance.
d.

the weight of the substance.

Rank the torques on the five doors shown in the figure above from least to greatest. note that the magnitude of all the forces is the same

What happens when chlorine reacts with bromine? a. electrons move from the chlorine atoms to the bromine atoms. b. electrons move from the bromine atoms to the chlorine atoms. c. electrons are shared between the chlorine atoms and the bromine atoms. d. electrons become delocalized among the atoms.

What are similarities and differences between refraction, reflection, diffraction and absorption?