Top answers


Explain the effect of increasing concentraion of O2 on the equilibrium position of this gas phase reaction and what you might see given that Nitrogen Oxide and Nitrogen Dioxide appear colourless and brown respectively. NO + 0.5O2 ----> NO2

Using "Le Chatelier's principle", the equilbrium will seek to oppose the change made to the reaction. In order to counter the increase in oxygen concentration, the reaction will shift to the right ...
AB
Answered by Amman B. • Chemistry tutor
4103 Views

'Gothic writing is characterised by a fascination with death.' Consider how far you agree with this statement by comparing Dracula with at least one other text prescribed for this topic.

I would always advise to plan before writing the essay to outline what you want to say and how you're going to structure it so that you remain focused on the question when writing. This plan does not need to...
Answered by • English Literature tutor
7536 Views

How successful was the Treaty of London of 1518 in fulfilling Henry VIII’s aims in foreign policy?

Whilst it may have appeared in the beginning that the Treaty of London - an international non-aggression pact which involved over twenty European rulers - satisfied Henry’s desire to put England at the foref...
ES
Answered by Evie S. • History tutor
20252 Views

Describe how ATP is generated in the light-dependent reaction of photosynthesis.

Light energy excites electrons in chlorophyll to a higher energy level. The electrons pass down the electron transfer chain, reducing carriers as they go and releasing energy. The energy lost is used to gene...
Answered by • Biology tutor
7552 Views

What is the difference between 'por' and 'para'?

First of all this is a great question and one that many people ask.We use 'por' when we want to talk about things such as mode of travel, duration and motivation (explaining why you did something). When usin...
IM
Answered by Isla M. • Spanish tutor
2625 Views