Answer:
CnH2n+2 formula
Explanation:
Alkanes have the general formula CnH2n+2, so if an alkane had 7 carbon atoms, it would have the molecular formula C7H16.
I think the answer is 98 grams
False. gases have to greatest freedom of motion
Not sure if this is correct but i would choose the steel tray.
It is supposed to protect the cell from it's surroundings, or from the outside.