Which of the following is an example of energy causing motion?
a. bowling ball on a ball stand
b. boy holding a bowling ball
c. rolling ball scattering the bowling pins
d. bowling pins scattered on the ground

What is the mass of each element in a 324.8 sample of co2

Which of these conditions most likely produces an unstable isotope?

Abeaker with 2.00×102 ml of an acetic acid buffer with a ph of 5.000 is sitting on a benchtop. the total molarity of acid and conjugate base in this buffer is 0.100 m. a student adds 4.70 ml of a 0.360 m hcl solution to the beaker. how much will the ph change? the pka of acetic acid is 4.740.