What is the name of The compound? ii.
Η Η Η
I I I
H-C-C = C-C-H
I I I I
Η Η Η H

11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?