The names of the compounds fes, nacl, naoh, and pb(cn)2 all end in the suffix

a. -ite.
b. -ate.
c. -ide.
d. -ic.

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 380j of energy to the room?

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

Which of the following is the best name for mgcl2