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These sorts of questions can look difficult, but if you learn the steps needed to solve them then they are all very similar.Step 1: Since we are told that X is a carbohydrate, we know tha...

We know that the reaction is a 2:1 ratio as 2 moles of NaNO3 is used to form 1 mole of O2 so first we need to find the moles of the product produced 
SoVolume of gas (dm3)= number of moles x 24dm3The...

The perfect tense in French has two parts. The first is the auxillary or first verb, which you will probably be familiar with, which takes the form of avoir (to have) or être (to be). You change this firs...

These articles are used before a noun, the same way you would typically use the word "the" or "a" in English. Their use will depend on 2 characteristics of the noun they are used with:...

An oxbridge music interview won't require a written out answer, but it's good to get used to following your thought patterns through. categorising widespread media is a practical way of enabling conversat...