Please check these balanced equations

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SUMMARY

This discussion focuses on the verification of several balanced chemical equations involving copper (Cu), nitric acid (HNO3), sodium carbonate (Na2CO3), and sulfuric acid (H2SO4). The equations presented include the reactions of copper with nitric acid to form copper(II) nitrate, the interaction of copper(II) nitrate with sodium carbonate to produce copper carbonate hydroxide, and the subsequent thermal decomposition of copper carbonate hydroxide into copper oxide. The final reactions involve the formation of copper sulfate from copper oxide and the displacement reaction between copper sulfate and magnesium.

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  • Understanding of stoichiometry in chemical reactions
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[tex]2Cu+6HNO_3\xrightarrow~2Cu(NO_3)_2+3H_2O+2NO_2[/tex]

[tex]2Cu(NO_3)_2~+~2Na_2CO_3~+~H_2O\xrightarrow~CuCO_3~\cdot~Cu(OH)_2~+~4NaNO_3~+~CO_2[/tex]

[tex]2HNO_3+Na_2CO_3\xrightarrow~2NaNO_3+CO_2+H_2O[/tex]

[tex]CuCO_3~\cdot~Cu(OH)_2\xrightarrow{\Delta}~2CuO+H_2O+CO_2[/tex]

[tex]CuO+H_2SO_4\xrightarrow~CuSO_4+H_2O[/tex]

[tex]CuSO_4+Mg\xrightarrow~MgSO_4+Cu[/tex]

[tex]H_2SO_4+Mg\xrightarrow~MgSO_4+H_2[/tex]
 
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dextercioby said:
They look okay.

Daniel.
Thank you.