What do solutions and colloids have in common

a. both are made up of only elements

b. both appear homogeneous

c. both appear heterogeneous

d. both have large particles that will settle out

How many dots must be added to the symbol to properly represent a standard nitrogen ion? a) 1 b) 3 c) 5 d) 8

A2000 kg car is rounding a curve of radius 200 m on a level road. the maximum frictional force the road can exert on the tires of the car is 4000 n. what is the highest speed at which the car can round the curve?

How does the entropy of steam compare to the entropy of ice?