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2 C2H6 + 7 O2 = 4 CO2 + 6 H2O
S2 + H2O = SO2 + H2 =>
S2 + 4 H2O = 2 SO2 + 4 H2
Ca3(PO4)2 + NaOH = Ca(OH)2 + Na3(PO4) =>
Ca3(PO4)2 + 6 NaOH = 3 Ca(OH)2 + 2 Na3(PO4)
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
P4(s) + Cl2(s) = PCl5(g) =>
P4(s) + 10 Cl2(s) = 4 PCl5(g)
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
HCIO + Zn = ZnCIO + H2 =>
2 HCIO + 2 Zn = 2 ZnCIO + H2
HClO4 + P2O5 = H3PO4 + Cl2O7 =>
6 HClO4 + P2O5 = 2 H3PO4 + 3 Cl2O7
Si2H3 + O3 = SiO2 + H2O3 =>
6 Si2H3 + 17 O3 = 12 SiO2 + 9 H2O3
NaOCH3(aq) + H2O(l) = CH3OH + NaOH =>
NaOCH3(aq) + H2O(l) = CH3OH + NaOH
FeH3 = Fe + H2 =>
2 FeH3 = 2 Fe + 3 H2
Na2O + NaCl = Na3OCl =>
Na2O + NaCl = Na3OCl
Zn + Al(OH)3 = Zn(OH)2 + Al =>
3 Zn + 2 Al(OH)3 = 3 Zn(OH)2 + 2 Al
SiF4(s) + H2O(l) = HF(aq) + SiO2 =>
SiF4(s) + 2 H2O(l) = 4 HF(aq) + SiO2
AgNO3 + (NH4)2CrO4 = Ag2CrO4 + NH4NO3 =>
2 AgNO3 + (NH4)2CrO4 = Ag2CrO4 + 2 NH4NO3
H2(g) + NO2(g) = H2O(l) + N2(g) =>
4 H2(g) + 2 NO2(g) = 4 H2O(l) + N2(g)
Na2S2O3 + I2 = Na2S4O6 + NaI =>
2 Na2S2O3 + I2 = Na2S4O6 + 2 NaI
Fe + Ag3PO4 = Fe3(PO4)2 + Ag =>
3 Fe + 2 Ag3PO4 = Fe3(PO4)2 + 6 Ag
Na2S + FeCl2 = NaCl + FeS =>
Na2S + FeCl2 = 2 NaCl + FeS
Cu(NO3)2 + S(NH4)2 = Cu(NH4)2 + S(NO3)2 =>
Cu(NO3)2 + S(NH4)2 = Cu(NH4)2 + S(NO3)2
NH4 + H2O2 = NO2 + H2O =>
NH4 + 4 H2O2 = NO2 + 6 H2O
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + CO =>
K4Fe(CN)6 + 6 H2SO4 + 6 H2O = 2 K2SO4 + FeSO4 + 3(NH4)2SO4 + 6 CO
CaHPO4 + NaOH = Na3PO4 + Ca(OH)2 + H2O =>
CaHPO4 + 3 NaOH = Na3PO4 + Ca(OH)2 + H2O
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Na2C2O4 = Na + C2O4 =>
Na2C2O4 = 2 Na + C2O4
S + Na2SO3 + H2O = Na2S2O3*5H2O =>
S + Na2SO3 + 5 H2O = Na2S2O3*5H2O
Sr(OH)2 + KBr = K(OH) + SrBr2 =>
Sr(OH)2 + 2 KBr = 2 K(OH) + SrBr2
FeS2 + HCl = FeCl2 + H2S + S =>
FeS2 + 2 HCl = FeCl2 + H2S + S
KMnO4 + HNO3 = KNO3 + Mn(NO3)2 + H2O + O2 =>
4 KMnO4 + 12 HNO3 = 4 KNO3 + 4 Mn(NO3)2 + 6 H2O + 5 O2
Na2S(aq) + Cu(CH3COO)2(aq) = Na(CH3COO)(aq) + CuS(s) =>
Na2S(aq) + Cu(CH3COO)2(aq) = 2 Na(CH3COO)(aq) + CuS(s)
Cu + KClO3 = CuO + KCl =>
3 Cu + KClO3 = 3 CuO + KCl
P4 + KOH + H2O = PH3 + KH2PO3 =>
P4 + 2 KOH + 4 H2O = 2 PH3 + 2 KH2PO3
Ga + NaOH = Ga(OH)3 + Na =>
Ga + 3 NaOH = Ga(OH)3 + 3 Na
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
Ca + P = Ca3P2 =>
3 Ca + 2 P = Ca3P2
Au + HNO2 = Au(NO2)2 + H2 =>
Au + 2 HNO2 = Au(NO2)2 + H2
Fe(NO3)2 + NaOH = Fe(OH)2 + NaNO3 =>
Fe(NO3)2 + 2 NaOH = Fe(OH)2 + 2 NaNO3
C3H8 + KMnO4 + H2SO4 = CH3COOH + MnSO4 + K2SO4 + H2O =>
10 C3H8 + 16 KMnO4 + 24 H2SO4 = 15 CH3COOH + 16 MnSO4 + 8 K2SO4 + 34 H2O
H2(g) + Br(l) = HBr(g) =>
H2(g) + 2 Br(l) = 2 HBr(g)
MgSO4 + Cl2 = MgCl2 + SO4 =>
MgSO4 + Cl2 = MgCl2 + SO4
P2S5 + NaOH = Na3PO2S2 + H2S + H2O =>
P2S5 + 6 NaOH = 2 Na3PO2S2 + H2S + 2 H2O
CO + I2 = COI2 =>
CO + I2 = COI2
HgCl2 + NH4OH = HgClNH2 + HCl + H2O =>
HgCl2 + NH4OH = HgClNH2 + HCl + H2O
Mg(HSO4)2 + Mg(OH)2 = MgSO4 + H2O =>
Mg(HSO4)2 + Mg(OH)2 = 2 MgSO4 + 2 H2O
NO2 + C = NO + CO =>
NO2 + C = NO + CO
CuO2 + H2O = H2CuO3 =>
CuO2 + H2O = H2CuO3
CuSO4(aq) + ZnCl2(aq) = ZnSO4(aq) + CuCl2(s) =>
CuSO4(aq) + ZnCl2(aq) = ZnSO4(aq) + CuCl2(s)
Cu(NO3) + K2S = Cu2S + KNO3 =>
2 Cu(NO3) + K2S = Cu2S + 2 KNO3
HCOOH + ZnO = (HCOO)2Zn + H2O =>
2 HCOOH + ZnO = (HCOO)2Zn + H2O
Na + H2O2 = Na2O + H2O =>
2 Na + H2O2 = Na2O + H2O
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