Orders of magnitude are important for absorbance measurements. Absorbance is the quantitative measurement of how much light is absorbed by a material. The absorbance of a sample and is related to the transmission using the relationship: Absorbance

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need

At stp, which substance is the best conductor of electricity? a. nitrogen b. neon c. sulfur d. silver