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3 Cu + 8 HNO3 = 3 Cu(NO3)2 + 2 NO + 4 H2O
Cu + H2SO4 = Cu2SO4 + H2O + SO2 =>
2 Cu + 2 H2SO4 = Cu2SO4 + 2 H2O + SO2
S2 + O2 = SO3 =>
S2 + 3 O2 = 2 SO3
NaCl(aq) + H2SO4(aq) = HCl(g) + NaHSO4(aq) =>
NaCl(aq) + H2SO4(aq) = HCl(g) + NaHSO4(aq)
HNO3 + Ca(OH)2 = Ca(NO3)2 + H2O =>
2 HNO3 + Ca(OH)2 = Ca(NO3)2 + 2 H2O
KClO3 = KCl + KClO4 =>
4 KClO3 = KCl + 3 KClO4
H2 + N2 = NH3 =>
3 H2 + N2 = 2 NH3
C6H6 + Br2 = C6H3Br3 + H2 =>
2 C6H6 + 3 Br2 = 2 C6H3Br3 + 3 H2
Mg + H2SO4 = MgSO4 + H2S + H2O =>
4 Mg + 5 H2SO4 = 4 MgSO4 + H2S + 4 H2O
C2H6 + O2 = CO2 + H2O =>
2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
CH3CO2H + CH3O = CH3CO2CH3 + H2O =>
CH3CO2H + 4 CH3O = 2 CH3CO2CH3 + 2 H2O
Mg + HNO3 = Mg(NO3)2 + N2O + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + N2O + 5 H2O
Li + O2 = LiO2 =>
Li + O2 = LiO2
Fe(ClO3)3 + NaSCN = Fe(SCN)3 + NaClO3 =>
Fe(ClO3)3 + 3 NaSCN = Fe(SCN)3 + 3 NaClO3
NiCl2 + C4H8N2O2 = NiC8H16N4O4 + Cl =>
NiCl2 + 2 C4H8N2O2 = NiC8H16N4O4 + 2 Cl
Mg + HNO3 = Mg(NO3)2 + NH4NO3 + H2O =>
4 Mg + 10 HNO3 = 4 Mg(NO3)2 + NH4NO3 + 3 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C5H10O5 + [Ag(NH3)2]OH = Ag + CO2 + H2O + NH3 =>
C5H10O5 + 20[Ag(NH3)2]OH = 20 Ag + 5 CO2 + 15 H2O + 40 NH3
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
Cs2O + H2O = CsOH =>
Cs2O + H2O = 2 CsOH
MgCl2 + HNO3 = Mg(NO3)2 + HCl =>
MgCl2 + 2 HNO3 = Mg(NO3)2 + 2 HCl
CaCN2(s) + H2O(l) = CaCO3(s) + NH3(g) =>
CaCN2(s) + 3 H2O(l) = CaCO3(s) + 2 NH3(g)
NiCl2 + C4H8N2O2 = NiC8H16N4O4 + Cl2 =>
NiCl2 + 2 C4H8N2O2 = NiC8H16N4O4 + Cl2
FeS + O2 = Fe2O3 + SO2 =>
4 FeS + 7 O2 = 2 Fe2O3 + 4 SO2
Mg(NO3)2 = MgO + NO2 + O2 =>
2 Mg(NO3)2 = 2 MgO + 4 NO2 + O2
NaOH + H2SO4 = Na2SO4 + HOH =>
2 NaOH + H2SO4 = Na2SO4 + 2 HOH
LI + O2 = LIO2 =>
LI + O2 = LIO2
S + O2 = SO3 =>
2 S + 3 O2 = 2 SO3
Zr(s) + O2(g) = ZrO(s) =>
2 Zr(s) + O2(g) = 2 ZrO(s)
(NH4)2SO4 + NaOH = Na2SO4 + H2O + NH3 =>
(NH4)2SO4 + 2 NaOH = Na2SO4 + 2 H2O + 2 NH3
Pb(NO3)2 + Na2CrO4 = PbCrO4 + NaNO3 =>
Pb(NO3)2 + Na2CrO4 = PbCrO4 + 2 NaNO3
Na + H2SO4 = NaSO4 + SO2 + H2O =>
Na + 2 H2SO4 = NaSO4 + SO2 + 2 H2O
NH3 + CuO = N2 + Cu + H2O =>
2 NH3 + 3 CuO = N2 + 3 Cu + 3 H2O
CH3CO2 + ClCH2CO2H = CH2COOCH3 + HCl + CO2 =>
CH3CO2 + ClCH2CO2H = CH2COOCH3 + HCl + CO2
H2SO4 + Al = Al2SO4 + H2 =>
H2SO4 + 2 Al = Al2SO4 + H2
Na + H2SO4 = NaSO4 + SO2 + H2O =>
Na + 2 H2SO4 = NaSO4 + SO2 + 2 H2O
FeCl3 + NH4SCN = (NH4)3[Fe(SCN)6] + NH4Cl =>
FeCl3 + 6 NH4SCN = (NH4)3[Fe(SCN)6] + 3 NH4Cl
CH3COH + K2Cr2O7 + H2SO4 = CH3COOH + K2SO4 + Cr2SO4 + H2O =>
5 CH3COH + K2Cr2O7 + 2 H2SO4 = 5 CH3COOH + K2SO4 + Cr2SO4 + 2 H2O
Ca(NO3)2(heat) = CaO + NO2 + O2 =>
2 Ca(NO3)2(heat) = 2 CaO + 4 NO2 + O2
H2SO4 + NaCl = HCl + Na2SO4 =>
H2SO4 + 2 NaCl = 2 HCl + Na2SO4
Zn + Na2CO3 = ZnCO3 + Na =>
Zn + Na2CO3 = ZnCO3 + 2 Na
Ba(C2H3O2)2 + (NH4)2SO4 = BaSO4 + NH4C2H3O2 =>
Ba(C2H3O2)2 + (NH4)2SO4 = BaSO4 + 2 NH4C2H3O2
Na + H2SO4 = Na2SO4 + SO2 + H2O =>
2 Na + 2 H2SO4 = Na2SO4 + SO2 + 2 H2O
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
K + HOH = KOH + H2 =>
2 K + 2 HOH = 2 KOH + H2
CaC2 + H2O = C2H2 + Ca(OH)2 =>
CaC2 + 2 H2O = C2H2 + Ca(OH)2
Ca(OH)2 + SiO2 = CaO*SiO2*H2O =>
Ca(OH)2 + SiO2 = CaO*SiO2*H2O
Hg(HCO3)2 = HgCO3 + H2O(g) + CO2(g) =>
Hg(HCO3)2 = HgCO3 + H2O(g) + CO2(g)
(NH4)2Cr2O7 = N2 + H2O + Cr2O3 =>
(NH4)2Cr2O7 = N2 + 4 H2O + Cr2O3
Zr + H2 = ZrH =>
2 Zr + H2 = 2 ZrH
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