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a fost răspuns

Egalati formulele:

[tex] H_{2}SO_{4}[/tex] + CuO
[tex]HNO_{3}[/tex] + NaOH
HCl + [tex]CaCO_{3}[/tex]
[tex] H_{2}SO_{4}[/tex] + [tex]Cu(OH)_{2}[/tex]
[tex]Ca(OH)_{2}[/tex] + [tex]CO_{2}[/tex]
NaOH + HCl
NaOH + [tex]CuSO_{4}[/tex]

Răspuns :

Tureaanastasia
H2SO4+CuO=CuSO4+H2O
HNO3+NaOH=NaNO3=H2O
2HCl+CaCO3=CaCl2+H2CO3
H2SO4+Cu(OH)2=CuSO4+2H2O
Ca(OH)2+CO2=CaCO3+H2O
NaOH+HCl=NaCl+H2O
2NaOH+CuSO4=Na2SO4+Cu(OH)2
H2SO4+CuO=CuSO4+H2O

HNO3+NaOH=NaNO3+H2O

2HCl+CaCO3=CaCl2+CO2(gaz)+H2O

H2SO4+Cu(OH)2=CuSO4+2H2O

Ca(OH)2+CO2=CaCO3+H2O

NaOH+HCl=NaCl+H2O

2NaOH+CuSO4=Na2SO4+Cu(OH)2

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