Answer:
The answer is endothermic as the heat flows into the system from the surroundings. The products are at higher energy than the reactants, as they have absorbed energy.
A. 1,2,3. The solutions are getting lighter meaning the concentration is decreasing. Its most likely that water was added to dilute the solutions.
Feo + 2H = H2O + Fe + 2 + CIO4-
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Answer:
It's true.
Explanation:
In sub-energy level : number of orbitals
Answer:
protons have a positive, neutrons have no charge and electrons have a negative chage
Explanation:
