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What is the difference between "tu" and "usted" in Spanish?

When speaking in Spanish, there are two way of saying "you" when you are talking to a single person - "tú " and "usted" . The difference between these two is that the first, &qu...
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Answered by Isabel C. • Spanish tutor
35680 Views

In terms of structure and bonding explain why the boiling point of bromine is different from that of magnesium

Bromine exists as a simple molecular structure- the Br 2 molecules are held together using Van der Waals forces. Whereas Magnesium is a metal and is held together using metallic bonding. Metalic bonding cons...
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Answered by Mubeena A. • Chemistry tutor
24321 Views

What are some key features to look for when analysing a poem?

Some key features to look for when anaylsing a poem: Title - What does it say about the poem's subject, genre and tone? Reapproach the title after reading the poem - did it change? Physical structure - How d...
KL
7905 Views

How do I express complicated logs as single logarithms?

The process of transforming a complicated log to a single logarithm depends on the question. However, there are some basic rules and methods that are commonly involved. Here is an example: Example Express 2l...
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Answered by Keeley L. • Maths tutor
12571 Views

is x + x equal to x^2 ?

No. Think of an x as a tangible object, for instance an apple. If you have an apple plus another apple, you have 2 apples. Therefore if you have an x you have 1x. 1x plus another 1x is 2x, not x^2.
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Answered by Rosalie C. • Maths tutor
3776 Views