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SnO2 + 2 H2 = Sn + 2 H2O
HNO3 + S = H2SO4 + NO2 + H2O =>
6 HNO3 + S = H2SO4 + 6 NO2 + 2 H2O
Cl2 + KI = I2 + KCl =>
Cl2 + 2 KI = I2 + 2 KCl
MgO + Cl = MgCl2 + O =>
MgO + 2 Cl = MgCl2 + O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
FeCl3 + Na2S = Fe2S + NaCl3 =>
2 FeCl3 + Na2S = Fe2S + 2 NaCl3
HCl + Al = HAl + Cl =>
HCl + Al = HAl + Cl
C6H12O6 + O2 = CO2 + H2O =>
C6H12O6 + 6 O2 = 6 CO2 + 6 H2O
H2SO4 + V2O3 = V2(SO4)3 + H2O =>
3 H2SO4 + V2O3 = V2(SO4)3 + 3 H2O
FeCl3 + Na2S = Fe2S + NaCl3 =>
2 FeCl3 + Na2S = Fe2S + 2 NaCl3
MgO + HCl = MgCl2 + H2O =>
MgO + 2 HCl = MgCl2 + H2O
NaOH + H2SO4 = Na2SO4 + H2O =>
2 NaOH + H2SO4 = Na2SO4 + 2 H2O
H2O + CaC2 = C2H2 + Ca(OH)2 =>
2 H2O + CaC2 = C2H2 + Ca(OH)2
O3 + NaBr + H2SO4 = Na2SO4 + Br2 + H2O =>
O3 + 6 NaBr + 3 H2SO4 = 3 Na2SO4 + 3 Br2 + 3 H2O
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
Al + H2So4 = Al2(So4)3 + H2 =>
2 Al + 3 H2So4 = Al2(So4)3 + 3 H2
O2 + C25H52 = CO2 + H2O =>
38 O2 + C25H52 = 25 CO2 + 26 H2O
C8 + H = CH4 =>
C8 + 32 H = 8 CH4
Al + H2So4 = Al2(So4)3 + H2 =>
2 Al + 3 H2So4 = Al2(So4)3 + 3 H2
C2H6 + O2 = H2O + CO2 =>
2 C2H6 + 7 O2 = 6 H2O + 4 CO2
S + C + I = SCI2 =>
S + C + 2 I = SCI2
Cr + S8 = Cr2S3 =>
16 Cr + 3 S8 = 8 Cr2S3
Mg + Zn(No3)2 = MgNo3 + Zn =>
2 Mg + Zn(No3)2 = 2 MgNo3 + Zn
PbO2(heat) = PbO + O2 =>
2 PbO2(heat) = 2 PbO + O2
KSCN + Fe2(SO4)3 = K3Fe(SCN)6 + K2SO4 =>
12 KSCN + Fe2(SO4)3 = 2 K3Fe(SCN)6 + 3 K2SO4
H3PO4 + NH3 = ((NH4)3PO4) =>
H3PO4 + 3 NH3 = ((NH4)3PO4)
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Mg(OH)2(aq) + HNO3(aq) = Mg(NO3)2(aq) + H2O(l) =>
Mg(OH)2(aq) + 2 HNO3(aq) = Mg(NO3)2(aq) + 2 H2O(l)
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
BrC6H4CO2H + NaHCO3 = NaBr + C6H4 + H2CO3 + CO2 =>
BrC6H4CO2H + NaHCO3 = NaBr + C6H4 + H2CO3 + CO2
K2 + O2 = K2O =>
2 K2 + O2 = 2 K2O
B2Br6 + HNO3 = B(NO3)3 + HBr =>
B2Br6 + 6 HNO3 = 2 B(NO3)3 + 6 HBr
KMnO4 + K2SO3 + H2O = MnO2 + K2SO4 + KOH =>
2 KMnO4 + 3 K2SO3 + H2O = 2 MnO2 + 3 K2SO4 + 2 KOH
Cu + HNO3 = NO + Cu(NO3)2 + H2O =>
3 Cu + 8 HNO3 = 2 NO + 3 Cu(NO3)2 + 4 H2O
YCl2 + KClO3 + H2SO4 = Y(SO4)3 + KCl + HCl + H2O =>
3 YCl2 + 2 KClO3 + 9 H2SO4 = 3 Y(SO4)3 + 2 KCl + 6 HCl + 6 H2O
YCl2 + KClO3 + H2SO4 = Y2(SO4)3 + KCl + HCl + H2O =>
6 YCl2 + KClO3 + 9 H2SO4 = 3 Y2(SO4)3 + KCl + 12 HCl + 3 H2O
HBr(aq) + NiS(s) = H2S + NiBr2 =>
2 HBr(aq) + NiS(s) = H2S + NiBr2
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
NaI + H2SO4 = I2 + Na2SO4 + H2O + S =>
6 NaI + 4 H2SO4 = 3 I2 + 3 Na2SO4 + 4 H2O + S
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
YCl2 + KClO + H2SO4 = Y2(SO4)3 + KCl + HCl + H2O =>
2 YCl2 + KClO + 3 H2SO4 = Y2(SO4)3 + KCl + 4 HCl + H2O
Fe(s) + O2(g) = Fe2O3(s) =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3(s)
FeCl2 + HNO2 + H2SO4 = HCl + N2 + Fe2(SO4)3 + H2O =>
6 FeCl2 + 2 HNO2 + 9 H2SO4 = 12 HCl + N2 + 3 Fe2(SO4)3 + 4 H2O
Cr2O3(s) + C(s) = Cr(s) + CO(g) =>
Cr2O3(s) + 3 C(s) = 2 Cr(s) + 3 CO(g)
FeCl2 + HNO2 + H2SO4 = HCl + N2 + Fe2(SO4)3 + H2O =>
6 FeCl2 + 2 HNO2 + 9 H2SO4 = 12 HCl + N2 + 3 Fe2(SO4)3 + 4 H2O
MnO2 + CO = Mn2O3 + CO2 =>
2 MnO2 + CO = Mn2O3 + CO2
Na2CrO4 + (NH4)2C2O4 = Na2C2O4 + (NH4)2CrO4 =>
Na2CrO4 + (NH4)2C2O4 = Na2C2O4 + (NH4)2CrO4
I2 + Na2S2O3 = NaI + Na2S4O6 =>
I2 + 2 Na2S2O3 = 2 NaI + Na2S4O6
O2 = O3 =>
3 O2 = 2 O3
KMNO4 + HCl = KCl + MNCl2 + H2O + Cl2 =>
2 KMNO4 + 16 HCl = 2 KCl + 2 MNCl2 + 8 H2O + 5 Cl2
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