4 Points
Match the following parts of an atom to their description.
Proton
Negatively charged
particle
Nucleus
Positively charged particle
in the nucleus
Electron
Particle in the nucleus
with no charge
Neutron
Composed of protons and
neutrons

Asample of neon occupies a volume of 375 ml at stp. what will be the volume of neon if the pressure is reduced to 90.0 kpa? a. 422 ml b. 422 l c. 333 ml d. 333 l

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

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?