What are the equations of the following?

a) magnesium + hydrochloric acid b) zinc + sulfuric acid c) iron + hydrochloric acid d) aluminium + sulfuric acid e) sodium + oxygen f) magnesium + oxygen

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Answer #1

Mg(s) + 2HCl(aq) –> MgCl2(aq)+ H2(g)

Zn(s) + H2SO4(aq) –> ZnSO4(aq) + H2(g)

Fe(s) + 2HCl(aq) –> FeCl2(aq) + H2(g)

2Al(s) + 3H2SO4(aq) –> Al2(SO4)3(aq) + 3H2(g)

4 Na + O2 –> 2 Na2O

2Mg + O2 – 2MgO

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