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Given that this is an oral question, there isn't time to prepare in the exam itself. However, these questions follow certain formats which, when learned, make it much more manageable. The first thing to obse...

N 2 (g)+3H 2 (g) ⇋ 2NH 3 (g) ΔH=-92kJmol -1 (equation for question above) According to Le Chatelier's principle, a system in dynamic equilibrium will shift the position of equilibrium to minimise the change ...

In our bodies we have a host of cells that make up our immune system. The immune system itself can be divided into the innate and adaptive immune response. If we use an analogy, the innate immune system acts...

Assumption: If sqrt(2^n- 1) ∈ℕ , it means that there is a k ∈ ℕ such that (2^n-1) = k^2 ⇒ k is odd, so there is m ∈ ℕ such that (2^n-1)=(2m+1)^2 . By solving the equation we get 2^n= 4m^2+4m+2. We divide bot...

政府收入的增加，平均商品价格的增加，旅游人总数的增加