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Qu'est-ce que tu as fait le weekend dernier ?

Je suis allé au parc. Mes amis sont venus avec moi. Il faisait froid. Nous sommes rentrés chez moi.Samedi matin, j'ai proposé à mes amis de passer l'après-midi dans le parc à coté de ma maison. Nous avons dé...
WM
Answered by William M. • French tutor
6913 Views

0.04 moles of sulfur trioxide is placed in a flask (1.50dm^3) and allowed to reach equilibrium at 600 degrees. If 30% of the sulfur trioxide decomposes to sulfur dioxide and oxygen - what is the equilibrium constant?

The easiest way to start your answer is by writing out the equation for the reaction {2SO 3 (g) <-> 2SO 2 (g) + O 2 (g) } and considering what the equilibrium constant is {K c = [products] / [reactants...
IW
Answered by Isobel W. • Chemistry tutor
3657 Views

What is the difference between 'ser' and 'estar'?

First of all, this is a great question and something which almost every English speaker struggles with when learning Spanish because we only use one verb to convey both uses of 'ser' and 'estar'. The main th...
KH
Answered by Kate H. • Spanish tutor
2545 Views

How high can you raise a kilogram of sugar with 1 kWh of electrical energy? (To 2 s.f in kilometres)

The first thing to recognise is that the terms 'sugar' and 'electrical' are there to confuse you - the substance raised and the type of form of energy used to raise it are not important to the question. This...
AL
Answered by Alexander L. • Physics tutor
3575 Views

What caused the collapse of the Weimar Republic?

A useful way of tackling this question would be to split your ideas of the possible factors into those based on structural phenomena and those driven by the agency of individuals. In this way, your answer wo...
SB
Answered by Sebastian B. • History tutor
3297 Views