Negative enthalpy change and positive entropy change. I am sure that's the answer!
Answer:
X ray
Explanation:
i m not sure about this answer hope it helps :)
<span>Energy is required to produce a chemical change during (2) electrolysis, given that it is the only stage which includes only a chemical change. The other options include physical changes as well.</span>
Explanation: In solids, particles are very closely packed in an orderly arrangement in a lattice and only vibrate in fixed positions. The forces of attraction between them are very strong. This allows them to overcome the forces of attraction that hold the other phases closer together
Answer:
Explanation: n=m/M(molar mass)
n=24.3 grams/(16+2x1.008)grams/moles(molar mass of H2O)
n=24.3grams/18.016grams/moles
n=1.35moles
