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Chemistry
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What is the difference between London dispersion forces and hydrogen bonds?

Both are a type of intermolecular forces which means they act between more than 1 molecules. Do not confuse them with intramolecular forces acting within 1 molecule. Lond...

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Answered by Daria S. Chemistry tutor
23906 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
10101 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
4284 Views

Explain the trends in reactivity as you move down group one elements.

As you move down group one atomic radius increases. As a result the attraction to outer electrons is weaker. As there are an increased number of energy levels, shielding to the outer electrons also increa...

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Answered by Jack J. Chemistry tutor
2791 Views

Explain how fractional distillation works.

Hydrocarbons have different boiling points and therefore different condensation points. The linger the hydrocarbon, the more intermolecular forces exerting between each molecule. This means that it requir...

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Answered by Nick S. Chemistry tutor
6253 Views

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