Determine the net force acting on the object. Then, write whether or not there will be a change in motion. If yes, write the direction the object will move in.

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

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.