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Amanda and Wim share some money in the ratio 2:5. Wim receives £115. Calculate how much money was shared?

First, you need to find value of one part. We can see that Wim who has a share of 5 parts gets £115. So, 5 parts is equivalent to £115. Therefore, value of each part is 115/5 = £23. Now,...

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Answered by Saeideh N. Maths tutor
12474 Views

How does a change in temperature affect the Kc value when the forward reaction is exothermic?

To explain this I will use a made up example question: A2(g) + B2(g) <-> 2AB Change in enthalpy= Negative remember: according to Le Chatlier's principle, if a system in e...

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Answered by Ruairi O. Chemistry tutor
11113 Views

Question 14)http://ibdocuments.com/IB%20PAST%20PAPERS%20-%20SUBJECT/Group%204%20-%20The%20sciences/Computer_science_SL/2007%20November%20Examination%20Session/English%20Papers/Computer_science_paper_1_SL.pdf

a) With the word access modifier "private" we are declaring that the method will only be accessible within that class (i.e you can not call the method from an external class/file). b) Since the...

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Answered by Raul P. Computing tutor
1917 Views

Compare and contrast the structures of Diamond and Magnesium in terms of the position and interactions of particles within the substance. Comment on how this is reflected in their properties.

Diamond is a giant covalent structure of Carbon atoms in which every atom makes 4 covalent bonds, each with another Carbon atom, forming a regular tetrahedral str...

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Answered by Poppy H. Chemistry tutor
4972 Views

Why do chemical impulses only go in one direction across a synapse?

Ca2+ channels are only in the membrane of the presynaptic neuron. ACh-containing vesicles are only within the presynaptic neuron. (ACh only produced within the presynaptic neuron, has choline and acetyl)A...

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Answered by Reiss C. Biology tutor
6416 Views

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