Explain how detergents are able to remove grease from a surface by referring to the intermolecular forces present.
(mentions IMF between det and water; IMF between det and grease; mentions agitation and being washed away)
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15
State the optimum conditions and the catalyst used in the Haber Process
T=450C; P=200atm; Fe catalyst
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10
Name this molecule
2,3-dimethylbut-2-ene
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banana
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seesaw
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rocket
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thief
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10
Name this molecule
3-chloropropanal
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15
Draw the structure of a soap
(soap structure)
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monster
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gold
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fairy
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baam
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10
Identify this amino acid
valine
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15
List 2 observations for the reaction between: Chromium(III) nitrate solution and magnesium ribbon
silver/grey solid dissolves | blackish/grey/silver solid forms | solution becomes less green/colourless
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10
Identify this amino acid
cysteine
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eraser
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shark
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shark
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baam
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20
Give the 4 characteristics of Chemical Equilibrium
only in a closed system | rate of forward reaction = the rate of reverse reaction | no change in macroscopic properties | can be attained from either direction
