Answer:
5
Explanation:
An atom has the same number of protons and electrons
About 7-8 years More. The real answer would be 7.14285714286
Anode- oxidization
Cathode-reduction
Answer:
Energy is added (postive enthalpy)
Explanation:
Ice melting means solid turns into liquid. Solid is more stable than liquid thus you must put in energy to weaken the forces of solid and turn it into liquid. Thus, you must put in energy to melt ice. This makes the enthalpy of the system to be positive.
A factor that is changed in an experiment is called the Independent Variable.
