Heylo fwiends. I dont know wat im doin.

Calculate the ph of a .10m nh4cl solution. the kb value for nh3 is 1.8×10^-5

If a refrigerator is a heat pump that follows the first law of thermodynamics, how much heat was removed from food inside of the refrigerator if it released 300j of energy to the room?unit:

Question 1 (true/false worth 4 points) (03.06 lc) an induced dipole occurs when a molecule's moving electrons are briefly more concentrated in one place than another, causing the molecule to become temporarily polarized. true false