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The question has asked me to ‘discuss’ a statement. How do I write a good answer?

Many students struggle with questions that ask for a statement to be ‘discussed’. What does the question mean? What am I being asked to do? It’s not always clear. However, if you remember a few golden rules ...
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Solve: 4x + 5 = 6x - 13

4x+5=6x-13. Take 4x from both sides 5= 6x-4x-13 5=2x-13. On the right hand side, you have -13 value. Add 13, to make 0. Adding thirteen on right also adds thirteen on left. 5 + 13 = 2x - 13 + 13 18=2x. 2 tim...
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Answered by Yacine H. • Maths tutor
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What is the difference between passive and active immunity?

Active immunity involves your bodies direct response to an unknown pathogen. This response is the production of antibodies specific to the antigen of a particular pathogen. This type of immunity is not immed...
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Answered by Emily P. • Biology tutor
227980 Views

What is meant by 'activation energy' ?

This is the MINIMUM energy required for a reaction to work or to be activated. If this energy is not reached, the reaction in full does not happy. Imagine a game of basketball. If you do not shoot the ball h...
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Answered by Yacine H. • Chemistry tutor
3638 Views

Define what 1 mole is

1 mole is just a unit of the amount of particles present in a substance. Here are several definition that all interlink: Mathematically speaking, 1 mole = mass of substance / Molecular Formula Mass. For it t...
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Answered by Yacine H. • Chemistry tutor
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