Which statement best illustrates why carbon is so important to living things?
a. carbon occurs as a solid, a liquid, and a gas.
b. carbon is found in both the living and nonliving worlds.
c. carbon is stored in large quantities in fossil fuels.
d. carbon-based macromolecules are found in all life forms.

calculate how many grams of ammonia can be produced from 4.21 grams of

n2 + 3h2 = 2nh3

my answer:

25.0g n2 x (1 mol/ 28.0gn2) x (2 mol nh3/ 1 mol n2) x (17.0g nh3/ 1 molnh3) = 30.36g n2

25.0g h2 x (1 mol h2/ 2.00g h2) x (2 mol nh3/ 3 mol h2) x (17.0g nh3/ 1 mol nh3) = 141.67g h2

lr = n2

fun caring loving person