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Is there an easier way of learning if a french noun is masculine or feminine?

There is normally no way of knowing the gender of a french noun. However there are a few helpful rules: Rules for feminine nouns: all nouns that end in -ité (e.g. fraternité, égalité) or -tion (station, nati...
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Answered by Callum C. • French tutor
2717 Views

By comparing the forces involved, explain why hydrogen iodide (HI) would have a higher boiling point than hydrogen bromide (HBr)?

stronger van der waal bonds because iodide ion (I-) has a larger electron cloud so more polarisable so istantaneouos dipoles happen more often and more strongly, so more energy is needed to overcome these bo...
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Answered by Maddie W. • Chemistry tutor
9175 Views

What are the short term pricing differences in the different market structures?

The two main market structures are perfect competition and monopolistic competition.In perfect competition, there are a lot of different firms all selling the same product. As a result, no firm has the oppor...
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Answered by Rae S. • Economics tutor
1922 Views

How do I know when to use sine, cos or tan when working with right angled triangles?

When dealing with right angled triangles, you just need to remember 'SOHCAHTOA'. If you struggle to remember this, you may find it easier to recall:' S ome O f H er C hildren A re H aving T rouble O ver A lg...
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Answered by Jonny G. • Maths tutor
3046 Views

A curve has equation y = x^3 - 48x. The point A on the curve has x coordinate -4. The point B on the curve has x coordinate - 4 + h. Show that that the gradient of the line AB is h^2 - 12h.

First, let's recall the gradient formula:grad = change in y / change in x = y2 -y1 / x2 - x1So let's label point A as x1, and point B as x2, and find the corresponding y1 and y2 using the equation of the cur...
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Answered by Oliver W. • Maths tutor
6844 Views