What is the hydroxide concentration of a 0.10 molar solution of ammonia at equilibrium if its Ka is 5.62 × 10-10? A.
1.33 × 10-2 molar
B.
1.33 × 10-3 molar
C.
3.17 × 10-12 molar
D.
3.17 × 10-8 molar
E.
7.50 × 10-6 molar

If an area has high air pressure and low humidity, what type of weather will it most likely have? plz !

Kelly has come up with an explanation for why her sister is sometimes in a good mood and other times in a bad mood. she speculates that it is based on the hours of sleep her sister got the previous night. this explanation for her sister's behaviors is an example of a(n)

The earth's surface is (science) a: studied using seismic waves b: constantly changing over time c: only studied indirectly d: the same today as million of years