Because alcohol expands over small temp changes, hence while a vial of it is used in sprinklers as the stop plug; the room gets hotter, the plug shatters.
Since the reaction gives off heat energy it is considered to be an exothermic reaction
Hi There! :)
Active <span>transport requires the use of energy. :)
Therefore A</span>
You can have a solution of hydrogen peroxide that might say 10% that means that 10% per mass of the hydrogen peroxide solution is the hydrogen peroxide the rest is water.
concentration is the amount of mass in the solution eg 5gdm-3
hope that helps
