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Explain how the properties and structure of solid salt change when it dissolves in water
When a salt is solid it forms a a crystaline structure and a fixed ionic lattice. This means the ions are stationary and cannot move in the solution and therefore is unable to conduct electricity. However, w...
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Lara E.
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Chemistry tutor
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What does Le Chatelier's principle say happens to an equilibrium when temperature is changed or a catalyst is added?
The temperature moves the equilibrium differently depending on if the forwards reaction is exothermic or endothermic. If its endothermic the equilibrium moves to the right giving more products. The addition ...
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Chemistry tutor
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State and explain the trend in boiling points of chlorine, bromine, and iodine
Boiling point increases down the group, because of increasing strength of van der Waals (intermolecular) forces. More energy is required to break van der Waals (intermolecular) forces.Follow up questions cou...
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Alexander D.
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Chemistry tutor
10167 Views
Can you explain the properties of a giant covalent lattice?
It is really important to note here that there are no intermolecular force of attraction between the molecules, compared to simple covalent molecules. There are only strong covalent bonds which means that gi...
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Nishi M.
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Chemistry tutor
4031 Views
Explain why, when a reversible reaction reaches equilibrium, the reaction appears to have stopped.
The forward and backwards reaction have the same rate so there is no overall change in the quantity of reactants and products.
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Alexandra O.
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Chemistry tutor
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