Question 5 The choices below are all efficiency ratings for heat engines. Which is a Carnot engine?
A
0.25
B
0.50
С
1.0
D
2.0

a.   mass number from atomic number

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.