3. A sample of gas contains 3 moles of argon and 5 moles of krypton. If the argon exerts a pressure of
210 torr , what is the pressure of the krypton? What is the total pressure?

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 twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate