1. which color is absorbed and which is reflected by the leaves of most plants?
a. green and violet are reflected; red is absorbed.
b. red and blue are absorbed; green is reflected.
c. blue and green are absorbed; red is reflected.
d. red and violet are reflected; green is absorbed.

What are the percent by mass of copper in penny lab

Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2

Consider hydrogen in an excited state n = 5n=5 that emits photons to reach the ground state. there are various possible transitions other than straight to the ground state that can occur; for example, it can drop to the n = 3n=3 state followed by the n = 3n=3 to the ground state transition. which of the possible transitions will result in the emission of a photon in the visible region?