5. Why do we see a full moon only once every 29.5 days? A. It takes the moon 29.5 days to rise and set one time.
B. It takes Earth 29.5 days to make one rotation on its axis.
C. It takes Earth 29.5 days to make one revolution around the moon.
D. It takes the moon 29.5 days to make one revolution around Earth.

Determine the wavelength of the light absorbed when an electron in a hydrogen atom makes a transition from an orbital in the n=3 level to an orbital in the n=7 level.

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.