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4. Balance the following equations (show work)
a.___H2(g) +___O2(g) →___H2O(1)

b.____Fe(s) +___O2(g)→___Fe2O3(s)

c.___Al(s) +___HCl(aq) →___AlCl3(aq) +___H2(g)

d.____CaCO3(s) +____HCl(aq) →____CaCl2(aq) +____CO2(g) +____H2O(1)

4 Balance The Following Equations Show Work AH2g O2g H2O1 BFes O2gFe2O3s CAls HClaq AlCl3aq H2g DCaCO3s HClaq CaCl2aq CO2g H2O1 class=

Sagot :

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Answer:

a) 2H2+O2 = 2H²O

b) 4Fe+30²=2Fe²O³

c) 2Al+6HCl=2AlCl³+3H²

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