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Define the term enthalpy of reaction

A chemical reaction occurs when bonds are broken and formed between atoms. Energy is taken in in order to break bonds; when a bond is formed the molecule becomes more stable, so energy is given out. The enth...
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Answered by Harry K. • Chemistry tutor
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Outline one or more ways in which behaviourists treat phobias.

Behaviourists argue that all behaviours are learnt therefore one way in which they treat phobias is by systematic desensitisation. This is where phobic anxiety is gradually reduced through counterconditionin...
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Why can customs unions lead to higher prices for consumers?

Although trading blocs such as the EU ( which is a customs union) promote free trade without tariffs ( taxes on imports ) within the borders of the union, it still places tariffs on imports that are external...
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Answered by Angus F. • Economics tutor
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How are inflation and unemployment linked?

The Phillips curve shows the relationship between unemployment and inflation. On the y axis is inflation increasing and on the x-axis is the unemployment rate increasing. The theory behind the relationship s...
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Answered by Angus F. • Economics tutor
2407 Views

How can I find the equation of a line l which passes through the points (5,7) and (3, -1)

First thing first, we should always write down the equation of a straight line (which is y = mx + c ) as this will be important for this question.In order to find the equation of the straight line l we need ...
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Answered by Katie C. • Maths tutor
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