I understand the countries are different. The the ACS is the worlds largest chemical organization, and by no means limited to just the US. And the Royal Society of Chemistry (The UK's largest Chemistry organization in Europe) has pretty much mirrored the ACS in material to be presented to undergraduates.
My original train of thought still stands. If you have not had at least
two full semesters of calculus and the calculus based physics (or know the material on your own), and the school follows the ACS guidelines, it will probably be pretty hard, regardless of where you are at; unless the teacher makes exceptions.
That said, even though you need a years worth of math and physics before it, not all of it is used in Physical Chemistry, and what you need to know can be learned on your own. And if you pick up math really fast you can learn it while you take the course.
If you are that worried, find a cheap book and start studying now though.
It is always easier to learn something after you have already learned it