Answer: -
The first compound is 3-Methylheptane.
The second compounds is 4-ethyl-3-methyl-4-propylheptane
The 3rd one is propanol.
The 4th one is 2-propanol.
The 5th one is methoxyethane
Gases in which the molecules that make it up naturally consist of two atoms of the same type.
The answer is 975S because u add all ofthem