Single Replacement
No matter if the reaction can occur or not, write out the reactants on your answer board. If the reaction can occur, write the products and then balance. If the reaction cannot occur, write NR as the products
Al + ZnO ->
Yes it can. Al > Zn in terms of reactivity.
Al's charge is +3, and O's charge is -2
They create Al2O3 + Zn
2Al + 3ZnO -> Al2O3 + 3Zn
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K + PO4 ->
3K + PO4 -> K3PO4
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NaBr ->
2NaBr -> 2Na + Br2
Identify the type of reaction, if it is a decomposition or synthesis reaction, label the pattern it will follow.
K + Mg(NO3)2
Single Replacement
What has to be true in order for a single replacement reaction to occur?
The single element has to be higher in reactivity than the element it will replace in the compound.
No matter if the reaction can occur or not, write out the reactants on your answer board. If the reaction can occur, write the products and then balance. If the reaction cannot occur, write NR as the products
Sr + H2O ->
Yes this can occur. When reacting water, Strontium forms a hydroxide.
Products are: Sr(OH)2 + H2
Sr + 2H2O -> Sr(OH)2 + H2
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CaO + H2O ->
CaO + H2O -> Ca(OH)2
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K2CO3 ->
K2CO3 -> K2O + CO2
Identify the type of reaction. If it is a decomposition or synthesis reaction, label the pattern it will follow.
CO2 + H2O ->
Synthesis
Nonmetal oxide + Water -> Oxyacid
If Chlorine is alone, it can be written as Cl2, why is this necessary?
Chlorine is a diatomic element.
Diatomic elements are too reactive to exist alone so they must pair up with themselves.
No matter if the reaction can occur or not, write out the reactants on your answer board. If the reaction can occur, write the products and then balance. If the reaction cannot occur, write NR as the products
H3P + S ->
Yes it can occur. Sulfur is higher in reactivity than Phosphorus.
The products are H2S + P
2H3P + 3S -> 3H2S + 2P
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N2O3 + H2O ->
N2O3 + H2O -> 2HNO2
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Ca(ClO3)2 ->
Ca(ClO3)2 -> CaCl2 + 3O2
Identify the type of reaction, if it is a decomposition or synthesis reaction, label the pattern it will follow.
H3PO4 ->
Decomposition
Oxyacid -> Nonmetal oxide + Water
What two nonmetal oxides does PO4-3 produce?
P4O10 or P2O5
No matter if the reaction can occur or not, write out the reactants on your answer board. If the reaction can occur, write the products and then balance. If the reaction cannot occur, write NR as the products.
K2SO4 + Li ->
Yes this can occur, Lithium is higher in reactivity than Potassium.
Products: Li2SO4 + K
K2SO4 + 2Li -> Li2SO4 + 2K
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BaO + SO3 ->
BaO + SO3 -> BaSO4
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RbOH ->
2RbOH -> Rb2O + H2O
Identify the type of reaction, if it is a decomposition or synthesis reaction, label the pattern it will follow.
ZnCO3 ->
Decomposition:
Metal carbonate -> Metal oxide + Carbon dioxide
List out all of the diatomic elements (there's 7)
H2, N2, F2, O2, I2, Cl2, Br2
No matter if the reaction can occur or not, write out the reactants on your answer board. If the reaction can occur, write the products and then balance. If the reaction cannot occur, write NR as the products
NH4Br + Cl2 ->
Yes this reaction can occur. Chlorine is greater in reactivity than Bromine.
Products: NH4Cl + Br2
2NH4Br + Cl2 -> 2NH4Cl + Br2
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CO2 + K2O ->
CO2 + K2O -> K2CO3
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HNO2 ->
2HNO2 -> N2O3 + H2O
Identify the type of reaction, if it is a decomposition or synthesis reaction, label the pattern it will follow.
PbO2 + P2O5 ->
Synthesis:
Metal oxide + Nonmetal oxide -> Ionic compound (salt)
Metal X displaces metal Y from its salt solution but not able to displace metal Z from its salt solution. Metal Y displaces metal W from its salt solution. Rank correct order of reactivity of metals (from highest reactivity to lowest)
________ > ________ > ________> ________
Z> X> Y > W
Metal X displaces metal Y from its salt solution but is not able to displace metal Z from its salt solution. This suggests that metal X is more reactive than metal Y but less reactive than metal Z. Metal Y displaces metal W from its salt solution. This implies that metal Y is more reactive than metal W. Based on the above information, we can determine the relative reactivity of the metals as follows: Most Reactive → Least Reactive: Metal Z> Metal X> Metal Y> Metal W