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what is the shape and bond angle of NH3 and use VSEPR theory to explain the bond angle.

NH3 has a bond angle of 107 degrees and is pyramidal this is because it has 3 bonded pairs and 1 lone pair. the lone pair repels more than the bonded pairs and this results in the bond angle being 107 degrees.
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Answered by Meherun C. • Chemistry tutor
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‘Conservatives favour pragmatism over principle.’ Discuss

(Conclusion example) Overall, it can be argued that Conservatives mostly do not favour pragmatism over principle. Traditional and One Nation Conservatives could be seen as pragmatic due to beliefs in human n...
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Answered by Caitlin C. • Politics tutor
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To what extent did the Suffragettes prompt positive change before 1918?

The Suffragettes prompted positive change by raising awareness of the cause and by running the movement efficiently. Their organisation is shown firstly by the strong media presence of the Suffragettes in ma...
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Answered by Caitlin C. • History tutor
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How do I integrate sin^2 (x) dx?

The key to answering this question is to recognise that a common substitution of u=sin(x) wont work straight away so we must write the integral in a different form. Knowing that cos(2x)=1-2sin^2(x), the sin^...
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Answered by Oghenebrume U. • Maths tutor
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Integrate cos^2(x)

1/4sin(2x) + x/2 + c
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Answered by James S. • Maths tutor
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