help with reactions

[maryb]

I need to write some reactions for experiments we did in school and I am not 100% sure I did it right. So please help
here are those experiments:

1) First we burn Mg and then we add H₂O

2)we add HNO₃ to some PbO, then heat it and then add HCl

3) mix Zn and CuSO₄ and then heat it

4) first we burn S and then add water

[maryb]

does anybody know this? help

[peter]

I need to write some reactions for experiments we did in school and I am not 100% sure I did it right. So please help
here are those experiments:

Burning of Mg is surely a nice experiment!

1) First we burn Mg and then we add H₂O

Code: Select all

2Mg + O2 = 2MgO

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MgO + H2O = Mg(OH)2

2)we add HNO₃ to some PbO, then heat it and then add HCl

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PbO + 2HNO3 = Pb(NO3)2

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Pb(NO3)2 + 2HCl = PbCl2 + 2HNO3

3) mix Zn and CuSO₄ and then heat it

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Zn + CuSO4 = ZnSO4 + Cu

4) first we burn S and then add water

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S + O2 = SO2

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SO2 + H2O = H2SO3

~Peter

[maryb]

thanks a lot