How many atoms are here in the following?

a. 3n2
b. 2h2o
c. 4hno3
d. 2ca(oh)2
e. 3ba(clo3)2
f. 5fe(no3)2
g. 4mg3(po4)2
h. 2(nh4)2so4
i. 6al2(seo4)3
j. 4c3h8

Arecipe calls for 1.2 cups of oil. how many liters of oil is this?

How do you lengthen a pattern piece? (family and consumer science, sewing)

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d