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How do I approach the essay section of the TSA?

The essential criteria that Oxford is looking for is intellectual curiosity and how you use this to explore a topic/question/statement. Therefore, you should be prepared to answer in a way that demonstrat...

RH
8478 Views

Describe the regulation of blood glucose level.

The glucose level is regulated in pancreas by negative feedback loop, which means that when there is too much glucose, it is removed from the blood, and when there's too little, it is released into the...

JO
Answered by Juraj O. Biology tutor
9100 Views

Hydrogen bromide forms a strong acid when dissolved in water whereas hydrogen fluoride forms a weak acid. Distinguish between the terms strong acid and weak acid. State equations to describe the dissociation of each acid in aqueous solution. [3]

Here, we have to focus on the term strong acid. It is defined as an acid that is dissolved completely in an aqueous solution. We say that the reaction of dissociation of the acid goes ...

JO
Answered by Juraj O. Chemistry tutor
41590 Views

What is the relative formula mass of sodium chloride?

58.5

Relative formula mass (Mr) is found by adding together the relative atomic masses (Ar) of all the atoms present in a compound. 

S...

JS
Answered by Jenny S. Chemistry tutor
62468 Views

Providing reasoning, what is the trend in the atomic radius of row 3 elements across the periodic table?

Decreasing atomic radius across the periodic table.

- greater number of protons in the nucleus resulting in a greater nuclear charge.

- little/no change in ...

JS
Answered by Jenny S. Chemistry tutor
4525 Views

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