Answer: the molecular formula is C10H20O
Explanation:Please see attachment for explanation
15. D is correct, exothermic reactions release heat
I am not sure about 16
The output density is given as kg/m 3, lb/ft 3, lb/gal(US liq) and sl/ft 3. Specific weight is given as N/m 3 and lb f / ft 3.
The typically bald, rocky, or sandy surfaces in desert climates hold little moisture and evaporate the little rainfall they receive.