C4f transition elements

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what is the usual colour of the transition element copper ?
blue
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what is the usual colour of the transition element Iron (II) ?
light green
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what is the usual colour of the transition element Iron (III) ?
red-ish/brown-ish
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what is a catalyst?
chemical that speeds up a reaction but doesn't change/used up by the reaction
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what are the two uses of transition metals as a catalyst ?
1) its used in the haber process 2) its used in manufacturing of margarine (nickel)
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what is the carbonate of iron(II) transition metals ?
Iron = Fe(II)CO3
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what is the carbonate of copper transition metals ?
copper= CuCO3
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what is the carbonate of manganese transition metals ?
manganese= MnCO3
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what is the carbonate of zinc transition metals ?
zinc= ZnCO3
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what is thermal decomposition ?
when a coloured carbonate is heated and broken down
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what is the word equation for the thermal decomposition of the transition element copper ?
copper carbonate = copper oxide + carbon dioxide
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what is the word equation for the thermal decomposition of the transition element zinc
zinc carbonate = zinc oxide + carbon dioxide
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what is the word equation for the thermal decomposition of the transition element manganese
manganese carbonate = manganese oxide + carbon dioxide
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what is the word equation for the thermal decomposition of the transition element iron
iron carbonate = iron oxide + carbon dioxide
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what is the balanced symbol equations for the thermal decomposition for the transition element carbonate iron?
Fe(II)CO3 = FeO + Co2
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what is the balanced symbol equations for the thermal decomposition for the transition element carbonate zinc ?
ZnCO3 = ZnO + Co2
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what is the balanced symbol equations for the thermal decomposition for the transition element carbonate manganese?
MnCO3=MnO + Co2
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what is the balanced symbol equations for the thermal decomposition for the transition element carbonate copper ?
CuCO3 = CuO + Co2
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what is one feature of thermal decomposition reactions ?
there is always a colour change
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how can you identify the presence of transition metals ions in solutions A) Cu^2+ B)Fe^2+ C)Fe^3+ ?
transition metals react with sodium hydroxide presenting a solid particular colour
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what is the balance symbol equation for the reaction between Cu^2+ and OH^-
Cu + 2OH = Cu(OH)2
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what is the balance symbol equation for the reaction between Fe^2 and OH^-
Fe + 2OH = Fe(OH)2
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what is the balance symbol equation for the reaction between Fe^3 and OH^-
Fe + 3OH = Fe(OH)3
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Card 2

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what is the usual colour of the transition element Iron (II) ?

Back

light green

Card 3

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what is the usual colour of the transition element Iron (III) ?

Back

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Card 4

Front

what is a catalyst?

Back

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Card 5

Front

what are the two uses of transition metals as a catalyst ?

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