The answer is C <span>The reactants lost internal energy.</span>
Answer:
secondary, because there are some remains of the previous community (C)
Explanation:
Subscripts cannot be changed because they are the ratio of the amount. And as we know, in a chemical equation/reaction, mass cannot be created nor destroyed. Therefore, we cannot change subscripts, however, we could change coefficients. <span />
The gram formula mass is Molar mass. The mass of 1.0 moles is :
3) 48.0 g