Keeps in heat, protects us from radiation, provides oxygen, and protects us from objects coming towards the earth.
Answer:
A weak acid
Explanation:
Im not sure if its right. But lets see someone else do it.
Bond energy is a measure of the bond strength of a chemical bond, and is the amount of energy needed to break the atoms involved in a molecular bond into free atoms.
There are 1.27 moles in the compound.