In which of these situations should a fire blanket be used? A.
A hot match starts a fire in the trash can.
B.
A student's clothes catch on fire.
C.
Smoke in the lab sets off the fire alarm.
D.
A student tips over their Bunsen burner.

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

Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88

Ineed ! i have no clue how to do this problem.