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2 SnBr4 + 2 Sr2O2 = Sn2O4 + 4 SrBr2
Pb(NO3)2(aq) + Na2SO4(aq) = PbSO4(s) + NaNO3(aq) =>
Pb(NO3)2(aq) + Na2SO4(aq) = PbSO4(s) + 2 NaNO3(aq)
Cu + H2SO4 = CuSO4 + H2O + SO2 =>
Cu + 2 H2SO4 = CuSO4 + 2 H2O + SO2
Cu + NH3 = N + CuH6 =>
Cu + 2 NH3 = 2 N + CuH6
H2CO3 + KOH + NaOH = KNaCO3 + H2O =>
H2CO3 + KOH + NaOH = KNaCO3 + 2 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
NaMnO4 + Na2S + H2SO4 = MnSO4 + Na2SO4 + H2O =>
8 NaMnO4 + 5 Na2S + 12 H2SO4 = 8 MnSO4 + 9 Na2SO4 + 12 H2O
Cr2O7{2-} + SO2 + H{+} = Cr{3+} + SO4{2-} + H2O =>
Cr2O7{2-} + 3 SO2 + 2 H{+} = 2 Cr{3+} + 3 SO4{2-} + H2O
HClO3 + Mg(OH)2 = Mg(ClO3)2 + H2O =>
2 HClO3 + Mg(OH)2 = Mg(ClO3)2 + 2 H2O
Zn{2+} + HCl = ZnCl2 + H{+} =>
Zn{2+} + 2 HCl = ZnCl2 + 2 H{+}
Cl2(g) + NaBr(s) = NaCl(s) + Br2(l) =>
Cl2(g) + 2 NaBr(s) = 2 NaCl(s) + Br2(l)
Fe3O4 + CO = Fe + CO2 =>
Fe3O4 + 4 CO = 3 Fe + 4 CO2
AgNO3(ag) + Cu(s) = Cu(NO3)2(ag) + Ag(s) =>
2 AgNO3(ag) + Cu(s) = Cu(NO3)2(ag) + 2 Ag(s)
NH3(aq) + HCl(aq) = NH4{+} + Cl{-} =>
NH3(aq) + HCl(aq) = NH4{+} + Cl{-}
RuO2 + CO = Ru + CO2 =>
RuO2 + 2 CO = Ru + 2 CO2
C3H4 + H2 = C3H8 =>
C3H4 + 2 H2 = C3H8
CaSO4 + FeCl2 = FeSO4 + CaCl2 =>
CaSO4 + FeCl2 = FeSO4 + CaCl2
KI(aq) + Br2(l) = KBr(aq) + I2(aq) =>
2 KI(aq) + Br2(l) = 2 KBr(aq) + I2(aq)
NH4NO3 + Cu = NH3 + Cu(NO3)2 + H2 =>
2 NH4NO3 + Cu = 2 NH3 + Cu(NO3)2 + H2
C4H10 + F2 = C4F10 + HF =>
C4H10 + 10 F2 = C4F10 + 10 HF
Zn + Cu2(SO4)2 = Zn2(SO4)2 + Cu =>
2 Zn + Cu2(SO4)2 = Zn2(SO4)2 + 2 Cu
Ca3(PO4)2 + SiO2 + C = CaSiO2 + P + CO =>
Ca3(PO4)2 + 3 SiO2 + 8 C = 3 CaSiO2 + 2 P + 8 CO
NH4OCN = NH2CONH2 =>
NH4OCN = NH2CONH2
Ba + H3Po4 = BaPo + H2 =>
8 Ba + 2 H3Po4 = 8 BaPo + 3 H2
COH + HCl = CCl + H2O =>
COH + HCl = CCl + H2O
SiO2 + NH3 = Si + N2 + H2O =>
3 SiO2 + 4 NH3 = 3 Si + 2 N2 + 6 H2O
Ag + H2S + O2 = Ag2SH2O =>
4 Ag + 2 H2S + O2 = 2 Ag2SH2O
Cl2 + Ca(OH)2 = CaCl2Ca(ClO)2 + H2O =>
2 Cl2 + 2 Ca(OH)2 = CaCl2Ca(ClO)2 + 2 H2O
CuH2 + Zn = CuZn + H =>
CuH2 + Zn = CuZn + 2 H
SnCl2 + FeCl3 + NaOH = SnFe2O4 + NaCl + H2O =>
SnCl2 + 2 FeCl3 + 8 NaOH = SnFe2O4 + 8 NaCl + 4 H2O
B2O3 + NH4BF4 = BF3 + NH4 + O2 =>
2 B2O3 + 12 NH4BF4 = 16 BF3 + 12 NH4 + 3 O2
Cl2 + SnS2 = SnCl2 + S =>
Cl2 + SnS2 = SnCl2 + 2 S
K2Cr2O4 + HCl + NaOH = KO + NaCrO + H2O + Cl =>
K2Cr2O4 + 2 HCl + 2 NaOH = 2 KO + 2 NaCrO + 2 H2O + 2 Cl
Cu(OH)2 + HBr = CuBr2 + HOH =>
Cu(OH)2 + 2 HBr = CuBr2 + 2 HOH
Cr(CO3)2 = CrO + CO2 + O2 =>
2 Cr(CO3)2 = 2 CrO + 4 CO2 + O2
H2O2 + NiSO4 + H = H2SO4 + NiO =>
H2O2 + 2 NiSO4 + 2 H = 2 H2SO4 + 2 NiO
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
C8H14 + Br2 = C8H14Br4 =>
C8H14 + 2 Br2 = C8H14Br4
Co(NO3)2*6H2O + Fe(NO3)3*9H2O + C6H8O7 + Gd(NO3)3*6H2O = CoFe2GdO4 + H2O + CO2 + N2 =>
18 Co(NO3)2*6H2O + 36 Fe(NO3)3*9H2O + 58 C6H8O7 + 18 Gd(NO3)3*6H2O = 18 CoFe2GdO4 + 772 H2O + 348 CO2 + 99 N2
Sn(OH)2 + HBr = H2O + SnBr2 =>
Sn(OH)2 + 2 HBr = 2 H2O + SnBr2
Cu(CH3COO)2 + Sn = Cu + Sn(CH3COO)2 =>
Cu(CH3COO)2 + Sn = Cu + Sn(CH3COO)2
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
KClO + KI + H2SO4 = K2SO4 + KCl + I2 + H2O =>
KClO + 2 KI + H2SO4 = K2SO4 + KCl + I2 + H2O
Mg(HO)2 + HCl = MgCl2 + H2O =>
Mg(HO)2 + 2 HCl = MgCl2 + 2 H2O
MgCO3 + SiO2 = MgSiO3 + CO2 =>
MgCO3 + SiO2 = MgSiO3 + CO2
HBr + NaOH = NaBr + H2O =>
HBr + NaOH = NaBr + H2O
SiO2(g) + Ca3(PO4)2(s) = P2O5(g) + CaSiO3(s) =>
3 SiO2(g) + Ca3(PO4)2(s) = P2O5(g) + 3 CaSiO3(s)
MnO4{-} + H2S + H{+} = Mn{2+} + S04{2-} + H2O =>
6 MnO4{-} + 20 H2S + 8 H{+} = 6 Mn{2+} + 5 S04{2-} + 24 H2O
CH3COOH(aq) + NaHSO4(s) = NaCH3COO(s) + H2SO4(s) =>
CH3COOH(aq) + NaHSO4(s) = NaCH3COO(s) + H2SO4(s)
CH3COOH + Ca = (CH3COO)2Ca + H2 =>
2 CH3COOH + Ca = (CH3COO)2Ca + H2
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