Answer:
C is the answer hope I helped you have a good day by
The balanced reaction
that describes the reaction between carbon monoxide and oxygen to produce
carbon dioxide is expressed co(g)+ ½o2(g) <span>→ </span>co2(g). The heat of combustion is 67.6 kcal per mole CO. We are given with 14 grams CO. Convert this to mole equal to 0.5 mole. Hence the total heat is 33.8 kcal.
I think it would be B maybe
Definitely Calcium Chloride.
All the others are covalent.
Answer:
the second one I think...