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Describe what happens to sodium and chlorine in a reaction to make Sodium cholride, you may use diagrams to help you.

As Sodium is a metal and Chlorine is a non-metal they will undergo an ionic reaction in which Sodium will lose an electron and donate it to the Chlorine atom which will gain an electron. This will create a p...
GS
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An industrial process converts the alkene ethene into ethanol, according to the following reaction: C2H4 + H2O --> CH3CH20H. What mass of ethanol can be made from 53g of ethane, given that the water is in excess. (2 marks) (6-7 grade)

This question is all about using the mols equation question (mols = mass/molecular weight). It's best to break it down into steps: 1) calculate the molecular masses of the compounds that are involved in the ...
CS
Answered by Charlie S. • Chemistry tutor
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Why do metallic compounds conduct electricity ?

metallic compounds conduct electricity as they all share the property of having a 'sea of electrons' which means that they have free floating electrons surrounding the compound. This sea of electrons is due ...
NE
Answered by Naomi E. • Chemistry tutor
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The rate of reaction between marble chips and hydrochloric acid can be increased by: a) increasing the concentration of the hydrochloric acid, b) increasing the temperature of the hydrochloric acid. Explain why in terms of the reacting particle model.(6)

(For a reaction to occur, reactant particles must collide and interact with each other in some way.The rate of a chemical reaction is proportional to the number of collisions between reactant molecules.) Inc...
LE
Answered by Liz E. • Chemistry tutor
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why do ionic compounds conduct electricity when in molten state or solution but not when solid?

this is because ionic compounds have positive and negative ions that are only allowed to move when the compound is liquid or when dissolved in solution. in solid state they are in their fixed position and th...
MR
Answered by Muzaina R. • Chemistry tutor
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