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IB

How to I approach the 10 mark question on paper 1?

Start by defining the key economic terms which are used in the question. This is absolutely essential. After your definitions move on to the next paragraph. In the second paragraph you need to explain the...

AL
25505 Views

Cu2+ (aq) reacts with ammonia to form the complex ion [Cu(NH)3)4]2+. Explain this reaction in terms of acid-base theory, and outline the bonding in the complex formed between Cu2+ and NH3

Ammonia acts as the Lewis base in this reaction by donating its lone pair of electrons, whilst Cu2+ (which is an electron deficient, electrophile) accepts the lone pair of electrons from the ammonia, maki...

SZ
Answered by Sophie Z. Chemistry tutor
81710 Views

Prove that i^i is real.

Here we are examining the imaginary number ‘i’, defined as the square root (sqrt) of ‘-1’.We begin by using Euler’s identity:e^(iπ)+1=0e^(iπ)=-1Since sqrt(x) is the same as x^(1/2):(e^(iπ))^(...

LC
7922 Views

What are some sophisticated essay phrases I can use in French?

When writing an academic essay in French, it is important to avoid repetition and Anglicisms. Often, the temptation is to literally translate what you want to say in English into French but this can often...

ES
Answered by Emily S. French tutor
22727 Views

To what extent did decisions about post-war Germany contribute to the breakdown of East-West relations between 1945 and 1949?

- Introduction: Show awareness that there is more than one model for explaining how disagreements over Germany led to the deterioration of East-West relations.

...

KS
Answered by Konrad S. History tutor
4975 Views

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