Top answers

What is a catalyst?

A catalyst lowers the activation energy of a reaction and therefore increases the rate of reaction. The catalysts reacts with the reactants but is regenerated again in the reaction so it is not used up.
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Answered by Hannah G. • Chemistry tutor
5739 Views

How do I factorise a quadratic equation?

A quadratic equation is one with a squared term, like 3x 2 + 9x. If you're asked to factorise an equation like this, you need to find the highest common factor . This means that you need to find the highest ...
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Answered by Eden A. • Maths tutor
4934 Views

What is the political role of the Judiciary, and is it able to remain neutral from political bias?

The judiciary is one of the three branches of Government, and therefore plays a pivotal role in the political system. Its wider definition comprises numerous different layers of the legal system, that all pl...
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Answered by Rachael B. • Politics tutor
10836 Views

What is the process of natural selection?

- Differences in genes lead to variation within a species - It is in an individuals' best interest to produce the maximum amount of offspring in order to have maximum variation in the genes of their offsprin...
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Answered by Bethany M. • Biology tutor
5525 Views

What is the ablative absolute and how do you use it?

The ablative absolute is a neat and, I think, elegant Latin subordinate clause. It is distinguishable from the main clause by a subject noun and a participle, usually the perfect, in the ablative case. It ha...
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Answered by Sam C. • Latin tutor
5510 Views