In a reaction, the parts of two compounds switch places to form two new compounds.

a) synthesis

b) decomposition

c) double-displacement

d) single-displacement

i think it's c

If 10.0 ml of the solution on the right are withdrawn from the 100 ml beaker and diluted again in a similar manner, what is the new concentration? m nacl

Iwill give extra points to who gets this right

Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j