All n, iso, and neo alkyl groups are primary (1 degree) except isopropyl which is secondary (2 degree)?

What mass of carbon dioxide is produced from the complete combustion of 4.50×10−3 g of methane?

An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron

Which of the following involves only abiotic factors? a. a large rock being weathered by wind and rain b. an otter using a stone to break open a sea urchin c. a spider building a web in the corner of a building d. a pine tree absorbing light from the sun