Chemical reactions that release energy will not occur without a source of energy. So the answer is release.
<span>If the concentration of H⁺ ions will decrease then the concentration of OH⁺ ions will increase.</span>
B is correct. Molecules move faster when they are hotter because they have more energy. You can notice this change with your naked eye. Molecules in solids don't move. They have barely any energy. Hope this helps! ;)
Always use this method !!! always
Answer:
the catalyst is for activation energy