A white blood cell has a diameter of approximately 12 micrometers, or 0.012 um. A model represents its diameter as 24 pm. What is the ratio of model
size to actual size?
A. 200:1
B. 1:200
C. 1:2,000
O D. 2,000:1

How many moles of kci are produced from 2.50 moles k

A0.100-kilogram apple hangs in a tree 1.50 meter above the ground. ignore frictional effects, the total mechanical energy of the apples is

Temperature is defined as a. the equivalent of heat. b. a measure of the average kinetic energy of the individual atoms or molecules composing a substance. c. how hot or cold it is. d. the total kinetic energy of the atoms or molecules composing a substance. e. none of the above is correct.