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Cu + 2 H2SO4 = SO2(g) + CuSO4 + 2 H2O
I{-} + Br2 + H2O = IO3{-} + Br{-} + H{+} =>
I{-} + 3 Br2 + 3 H2O = IO3{-} + 6 Br{-} + 6 H{+}
sulfur + ozone = sulfurdioxide =>
3 S + 2 O3 = 3 SO2
C2H6HCl = C2H6ClH =>
C2H6HCl = C2H6ClH
C10H15NO + HCl + P + I = HI + POCl3 + C10H15N =>
C10H15NO + 3 HCl + P + 3 I = 3 HI + POCl3 + C10H15N
Ho(s) + H2O(l) = Ho(OH)3(ac) + H2(g) =>
2 Ho(s) + 6 H2O(l) = 2 Ho(OH)3(ac) + 3 H2(g)
SeO2 + H2Se = Se + H2O =>
SeO2 + 2 H2Se = 3 Se + 2 H2O
K + S + O2 = K2SO3 =>
4 K + 2 S + 3 O2 = 2 K2SO3
AgNO3 + NaCl + H2O = AgNO3NaClH2O =>
AgNO3 + NaCl + H2O = AgNO3NaClH2O
Zn + FeCl2 = Fe + Zn2Cl2 =>
2 Zn + FeCl2 = Fe + Zn2Cl2
C2H5Br + Na = C4H10 + NaBr =>
2 C2H5Br + 2 Na = C4H10 + 2 NaBr
CH3CH(CH3)CH(Cl)CH2CH3 + KCN = CH3CH(CH3)CH(CN)CH2CH3 + KCl =>
CH3CH(CH3)CH(Cl)CH2CH3 + KCN = CH3CH(CH3)CH(CN)CH2CH3 + KCl
ICl3 + NaBr = NaCl + Br2 + ICl =>
ICl3 + 2 NaBr = 2 NaCl + Br2 + ICl
Cu(OH)2 + HCl = Cu(OH)Cl + H2O =>
Cu(OH)2 + HCl = Cu(OH)Cl + H2O
MnO2 + Sn(OH)4 = Mn(OH)2 + Sn(O2)2 =>
2 MnO2 + Sn(OH)4 = 2 Mn(OH)2 + Sn(O2)2
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
CrBr2 = Cr + Br2 =>
CrBr2 = Cr + Br2
COCl2 + Na2Co3 = COCo3 + NaCl =>
COCl2 + Na2Co3 = COCo3 + 2 NaCl
Fe(NO3)3 = Fe2O3 + NO2 + O2 =>
4 Fe(NO3)3 = 2 Fe2O3 + 12 NO2 + 3 O2
P + HF = PF3 + H2 =>
2 P + 6 HF = 2 PF3 + 3 H2
C25H38O + O2 = CO2 + H2O =>
C25H38O + 34 O2 = 25 CO2 + 19 H2O
PCl5 + H2O = HCl + H3PO4 =>
PCl5 + 4 H2O = 5 HCl + H3PO4
H2O + O2 = H2O2 =>
2 H2O + O2 = 2 H2O2
La + Cl2 = LaCl3 =>
2 La + 3 Cl2 = 2 LaCl3
Pb(CH3COO)2(aq) + NaBr(aq) = PbBr2(s) + Na(CH3COO)(aq) =>
Pb(CH3COO)2(aq) + 2 NaBr(aq) = PbBr2(s) + 2 Na(CH3COO)(aq)
KCrO7 + HCl = KCl + CrCl3 + Cl2 + H2O =>
KCrO7 + 14 HCl = KCl + CrCl3 + 5 Cl2 + 7 H2O
Fe + K2Cr2O7 + HCl = CrCl3 + KCl + FeCl + H2O =>
6 Fe + K2Cr2O7 + 14 HCl = 2 CrCl3 + 2 KCl + 6 FeCl + 7 H2O
N + HNO3 = N(NO3)2 + NH4NO =>
21 N + 24 HNO3 = 11 N(NO3)2 + 6 NH4NO
HCN + Mg = H2 + MgCN =>
2 HCN + 2 Mg = H2 + 2 MgCN
BaO + Cr2O3 = Ba3(CrO3)2 =>
3 BaO + Cr2O3 = Ba3(CrO3)2
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
H3P = H3 + P =>
H3P = H3 + P
H2CO3 + LiOH = H2OH + LiCO3 =>
H2CO3 + LiOH = H2OH + LiCO3
CuCl2*2H2O + NH3 = [Cu(NH3)2]Cl2 + H2O =>
CuCl2*2H2O + 2 NH3 = [Cu(NH3)2]Cl2 + 2 H2O
K2CO3 + HC1 = KC1 + CO2 + H2O =>
K2CO3 + 2 HC1 = 2 KC1 + CO2 + H2O
Cl2 + CuI = Cu + ClI =>
Cl2 + 2 CuI = 2 Cu + 2 ClI
K4[Fe(CN)6] + HClO4 = H4[Fe(CN)6] + KClO4 =>
K4[Fe(CN)6] + 4 HClO4 = H4[Fe(CN)6] + 4 KClO4
Fe + S8 = Fe3S2 =>
12 Fe + S8 = 4 Fe3S2
NaClO + NH3 = N2 + NaCl + H2O =>
3 NaClO + 2 NH3 = N2 + 3 NaCl + 3 H2O
Pb(NO3)2 + NaI = PbI2 + NaNO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 NaNO3
H3Po4 + Mg(OH)2 = Mg3(Po4)2 + H2O =>
2 H3Po4 + 3 Mg(OH)2 = Mg3(Po4)2 + 6 H2O
HCOOH + Ca = (HCOO)Ca + H2 =>
2 HCOOH + 2 Ca = 2(HCOO)Ca + H2
Au + O2 = Au2O3 =>
4 Au + 3 O2 = 2 Au2O3
C12H26 + O2 = CO2 + H2O =>
2 C12H26 + 37 O2 = 24 CO2 + 26 H2O
HClO + Ba(OH)2 = Ba(ClO)2 + H2O =>
2 HClO + Ba(OH)2 = Ba(ClO)2 + 2 H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
C6H14 + O2 = CO2 + H2O =>
2 C6H14 + 19 O2 = 12 CO2 + 14 H2O
Ca3P2(aq) + H2O(l) = Ca(OH)2(aq) + PH3(aq) =>
Ca3P2(aq) + 6 H2O(l) = 3 Ca(OH)2(aq) + 2 PH3(aq)
BeOKOHH2O = KBe(OH)3 =>
BeOKOHH2O = KBe(OH)3
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
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