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  • Created by: 31082002
  • Created on: 28-06-17 20:57
What variable is placed on the x-axis? What variable is placed on the y-axis?
X-axis: Inpendent, Y-axis: Dependent
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What is the method of crystallisation?
1 - Put sodium nirate solution into a bowl and heat it up using a bunsen burner. 2 - Wait until the water from the solution has evaported. 3 - Take out of the bowl off the bunsen burner and leave it to cool. Once cool, rinse and dry.
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How do you calculate the percentage mass of a compound?
Percentage mass of a compund =
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How is mass conserved in a reaction?
The law of conservation states: During any chemical reaction no particles are created or destroyed. Meaning mass can never be gained or lost but transferred or conserved.
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Graphene is a giant covalent structure just like graphite. Why does graphene conduct electricity? What does graphene's structure looks like?
Graphene can conduct electricity because of the delocalised electrons that are free to move around and can carry charge. The structure of graphene is similar to graphite in which there are layers however the are 6 bonds betweens atoms.
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What is an isotope?
An isotope is an atom of the same element that has the same number of protons, they may have different numbers of neutrons
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How was Rutherford's famous gold foil experiment used to reject the plum pudding model in terms of sub atomic particles?
The pudding being completely positive and negative eletrons randomly placed in the atom. Rurtherford concluded that the atom was mostly made up of empty space and there was something hard in the middle deflecting/rebouning/repel the alpha particles.
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Other cards in this set

Card 2

Front

What is the method of crystallisation?

Back

1 - Put sodium nirate solution into a bowl and heat it up using a bunsen burner. 2 - Wait until the water from the solution has evaported. 3 - Take out of the bowl off the bunsen burner and leave it to cool. Once cool, rinse and dry.

Card 3

Front

How do you calculate the percentage mass of a compound?

Back

Preview of the front of card 3

Card 4

Front

How is mass conserved in a reaction?

Back

Preview of the front of card 4

Card 5

Front

Graphene is a giant covalent structure just like graphite. Why does graphene conduct electricity? What does graphene's structure looks like?

Back

Preview of the front of card 5
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