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Possible Answers: Aller, Arriver, Decsencdre, Devenir, Entrer, Monter, Mourir, Naitre, Partir, Rester, Retouner, Revenir, Sortir,Tomber, Venir. Example: Je suis allée au cinema avec mon mec pour voir un film...

A catalyst is something that changes the rate of a chemical reaction, without being used up during it. A catalyst provides a different reaction pathway, which requires a lower activation energy than the orig...

Climate change is a very current issue, impacting the planet socially, politically, economically and environmentally. As it is a complex process, it is increasingly difficult to make progress in finding a so...

The most important thing to remember about answering these longer-style questions in an exam is to PLAN! It might feel like you don't have a lot of time, but just spending five minutes before you start writi...

The chemical equation is as follows: CaCO 3(s) +2HCl (aq) --->CO 2(g) +H 2 O(l)+CaCl 2(aq) The general formula for an acid reacting with a carbonate is: Carbonate+Acid--->Carbon dioxide+Water+Salt Thes...