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Why is the Harber process performed at higher temperatures rather than low?

The forward reaction in the Harber process is exothermic. Following Le Chatelier's principle, the reaction would therefore be favoured by using lower temperatures, increasing the yield of ammonia at equil...

Answered by Thomas M. • Chemistry tutor

4099 Views

How do you test for alkenes and alkanes?

Mix with bromine water (orange), if a double bond is present (alkenes) then the bromine water will be decolourised.

Answered by Elizabeth P. • Chemistry tutor

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What is the difference between meiosis and mitosis?

Meiosis - cell division to form gametes (sex cells), each gamete contains half the number of chromosomes than in a normal cell. Mitosis - division of body cells during normal growth, each cell contains a ...

Answered by Elizabeth P. • Biology tutor

4342 Views

What are the key themes in Wuthering Heights and which do you think is the most important?

Themes include any from the given list: Supernatural - seen most powerfully when Heathcliff is grieving Catherine when he asks for her spirit to walk the earth. Nelly refers to Heathcliff as many things i...

Answered by Olivia S. • English Literature tutor

8254 Views

y=e^(2x) - x^3. Find dy/dx. (please note this is "e to the power of 2x, minus x cubed")

The rules to know are 1) when differentiating e to the power of x... be it 2x or 100x... you bring down the number in front of x, and leave the power as it is. in our case e^(2x) goes to 2e^(2x).