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Explain in terms of ΔG, why a reaction for which both ΔH and ΔS are positive is sometimes spontaneous and sometimes not.

For a reaction to be spontaneous delta G has to be negative according to the equation delta G = delta H - TdeltaS. Therefore if the temperature of a reaction is very high then -TdeltaS will be greater than d...
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Answered by Aaron C. • Chemistry tutor
17977 Views

How do you create commands (imperatives) in Spanish?

There are two basic forms of imperatives, negative imperatives and positive imperatives, and these can be divided into informal (tú) and formal commands (ustedes/ vosotros). Let's start with the positive imp...
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Answered by Lauren C. • Spanish tutor
4215 Views

What's the best way to revise for my exam?

I always found that the best way to revise, above anything else, was making sure I knew exactly what was going on in the text I was studying. You can do this by re-reading the text and by checking SparkNotes...
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5006 Views

How do I write a good paragraph?

Good paragraphs come in all shapes and sizes, although this doesn't necessarily help you to prepare effectively for an exam, so a little extra guidance may be needed. Here's a good basic guide to writing a s...
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4147 Views

What is homeostasis?

Homeostatis is the regualtion of the internal conditions of the body to ensure that everything remains balanced.
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Answered by Amna R. • Biology tutor
4727 Views