Answer:
Na+ is positively charged as it loses an electron
Cl- is negatively charged as it gains an electron
The chemical could have more or less of a reaction to the other chemicals in the experiment
Answer:
C.
Explanation:
The mass of the reactants should not change, in fact it would be equal because the only thing that changes is the form in which your products are in. The reactants will still have the same amount of mass from the products as no products were removed or added, the structure changed, the mass did not.
Answer: from the hotter surface to the colder one
Explanation:
