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2 Cu + Br2 = 2 CuBr
H4SiO4 + NaOH = Na4SiO4 + H2O =>
H4SiO4 + 4 NaOH = Na4SiO4 + 4 H2O
Na2SiO3 + H2O = Na2Si2O5 + NaOH =>
2 Na2SiO3 + H2O = Na2Si2O5 + 2 NaOH
HCI{+} + NaOH = NaCI{+} + H2O =>
HCI{+} + NaOH = NaCI{+} + H2O
K2S + HCl = KCl + H2S =>
K2S + 2 HCl = 2 KCl + H2S
Al(OH)3 = O2 + Al2O3 + H2 =>
4 Al(OH)3 = 3 O2 + 2 Al2O3 + 6 H2
Na{+} + HCl = NaCl + H{+} =>
Na{+} + HCl = NaCl + H{+}
CH3(CH2)4CH3 + Br2 = CH3(CH2)5Br + HBr =>
CH3(CH2)4CH3 + Br2 = CH3(CH2)5Br + HBr
Al + PtCl2 = AlCl3 + Pt =>
2 Al + 3 PtCl2 = 2 AlCl3 + 3 Pt
CH3(CH2)4CH3 + Br2 = CH3CH2CH2CH2CH2CH2Br + HBr =>
CH3(CH2)4CH3 + Br2 = CH3CH2CH2CH2CH2CH2Br + HBr
CaC2 + O2 = Ca + CO2 =>
CaC2 + 2 O2 = Ca + 2 CO2
Zn(OH)2 + HBr = ZnBr2 + H2O =>
Zn(OH)2 + 2 HBr = ZnBr2 + 2 H2O
NaBO3*4H2O + H2SO4 + KMnO4 = Na2SO4 + H2O + KBO3 + HMnO4 =>
2 NaBO3*4H2O + H2SO4 + 2 KMnO4 = Na2SO4 + 8 H2O + 2 KBO3 + 2 HMnO4
NiCl2(H2O)6 + NH4OH = Ni(NH3)6Cl2 + H2O =>
NiCl2(H2O)6 + 6 NH4OH = Ni(NH3)6Cl2 + 12 H2O
NH4H2PO4 = NH3 + P2O5 + H2O =>
2 NH4H2PO4 = 2 NH3 + P2O5 + 3 H2O
K + Br2 = KBr =>
2 K + Br2 = 2 KBr
ZnO + CH3COOH = ZnC4H6O4 + H2O =>
ZnO + 2 CH3COOH = ZnC4H6O4 + H2O
FeCl2K3[Fe(CN)6] = FeK3Cl2[Fe(CN)6] =>
FeCl2K3[Fe(CN)6] = FeK3Cl2[Fe(CN)6]
C + O2 + N2 + H2 = CO(NH2)2 =>
2 C + O2 + 2 N2 + 4 H2 = 2 CO(NH2)2
HCN + H2O = CN{-} + H3O{+} =>
HCN + H2O = CN{-} + H3O{+}
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
CuFeS2 + O2 + H{+} = Cu{2+} + Fe{3+} + SO4{2-} + H2O =>
4 CuFeS2 + 17 O2 + 4 H{+} = 4 Cu{2+} + 4 Fe{3+} + 8 SO4{2-} + 2 H2O
Au3N = Au3 + N =>
Au3N = Au3 + N
(NH4)3SbO4 + H2SO4 = Sb2O5 + (NH4)2SO4 + H2O =>
2(NH4)3SbO4 + 3 H2SO4 = Sb2O5 + 3(NH4)2SO4 + 3 H2O
XHCO3 + H2SO4 = XHSO4 + CO2 + H2O =>
XHCO3 + H2SO4 = XHSO4 + CO2 + H2O
(NH4)2CO3 + Ba3(PO4)2 = BaCO3 + (NH4)3PO4 =>
3(NH4)2CO3 + Ba3(PO4)2 = 3 BaCO3 + 2(NH4)3PO4
Fe(NO3)3 + H2Co3 = Fe2(Co3)3 + HNO3 =>
2 Fe(NO3)3 + 3 H2Co3 = Fe2(Co3)3 + 6 HNO3
C2H6O + K2Cr2O7 + H2SO4 = C2H4O + Cr2(SO4)3 + H2O + K2SO4 =>
3 C2H6O + K2Cr2O7 + 4 H2SO4 = 3 C2H4O + Cr2(SO4)3 + 7 H2O + K2SO4
Se + H2O = H2SeO =>
Se + H2O = H2SeO
Ca(s) + H2O(l) = H2(g) + CaO(g) =>
Ca(s) + H2O(l) = H2(g) + CaO(g)
Cu2O + O2 = CuO =>
2 Cu2O + O2 = 4 CuO
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
C2H4Br + HBr = C2H3Br3 + H2 =>
2 C2H4Br + 4 HBr = 2 C2H3Br3 + 3 H2
Pb(OH)2 + HCl = H2O + PbCl2 =>
Pb(OH)2 + 2 HCl = 2 H2O + PbCl2
NaOH + K3PO4 = Na3PO4 + KOH =>
3 NaOH + K3PO4 = Na3PO4 + 3 KOH
Cr2(SO4)3 + NaOH = Cr(OH)3 + Na2SO4 =>
Cr2(SO4)3 + 6 NaOH = 2 Cr(OH)3 + 3 Na2SO4
Mg(H2PO4)2 = Mg + H2PO4 =>
Mg(H2PO4)2 = Mg + 2 H2PO4
H2O2 + KI = I2 + KOH =>
H2O2 + 2 KI = I2 + 2 KOH
NaHSO4 + KNO3 = NaKSO4 + HNO3 =>
NaHSO4 + KNO3 = NaKSO4 + HNO3
Cu + CaSO4 = Ca + Cu2SO4 =>
2 Cu + CaSO4 = Ca + Cu2SO4
Na + Al(NO3)3 = Al + NaNO3 =>
3 Na + Al(NO3)3 = Al + 3 NaNO3
NH4NO3 = N2 + O2 + H2O =>
2 NH4NO3 = 2 N2 + O2 + 4 H2O
Mg + (NO3) + NaOH = Mg(OH)2 + NaNO3 =>
Mg + 2(NO3) + 2 NaOH = Mg(OH)2 + 2 NaNO3
Au + HNO3 = Au(NO3)2 + H2O + NO2 =>
Au + 4 HNO3 = Au(NO3)2 + 2 H2O + 2 NO2
CuCl + Al = AlCl + Cu =>
CuCl + Al = AlCl + Cu
KOH(aq) + H2SO4(ag) = K2SO4(aq) + H2O(l) =>
2 KOH(aq) + H2SO4(ag) = K2SO4(aq) + 2 H2O(l)
Mg(Cl2) + Na(OH) = Mg(OH)2 + NaCl =>
Mg(Cl2) + 2 Na(OH) = Mg(OH)2 + 2 NaCl
Cu + CaSO4 = Ca + Cu2SO4 =>
2 Cu + CaSO4 = Ca + Cu2SO4
FeCl3 + NaOH = Fe(OH)3 + NaCl =>
FeCl3 + 3 NaOH = Fe(OH)3 + 3 NaCl
V(OH)4Cl + FeCl2 + HCl = VOCl2 + FeCl3 + H2O =>
V(OH)4Cl + FeCl2 + 2 HCl = VOCl2 + FeCl3 + 3 H2O
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