A graduated cylinder is placed on a balance and has a mass of 29.00g. 3.00cm3 of mercury are added to it and the mass reads 69.50g. What is the density of the mercury? a
9.67 g/cm3

b
23.2 g/cm3

c
13.5 g/cm3

d
12.2g/cm3

Agood hypothesis includes which of the following? a: prediction b: data c: uncertainty d: conclusion

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.