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N2H2 + 2 Zn + 4 KOH + 4 H2O = 2 NH3 + 2 K2[Zn(OH)4]
HCHO + NaOH = CH3OH + HCOONa =>
2 HCHO + NaOH = CH3OH + HCOONa
C4H8 + KMnO4 + H2SO4 = C3H6O2 + MnSO4 + H2O + K2SO4 =>
15 C4H8 + 16 KMnO4 + 24 H2SO4 = 20 C3H6O2 + 16 MnSO4 + 24 H2O + 8 K2SO4
Fe2 + S3 = FeS =>
3 Fe2 + 2 S3 = 6 FeS
K2S + Al(NO3)3 = Al2S3 + KNO3 =>
3 K2S + 2 Al(NO3)3 = Al2S3 + 6 KNO3
CaCl2 + NaOH = Ca(OH)2(insol) + NaCl =>
CaCl2 + 2 NaOH = Ca(OH)2(insol) + 2 NaCl
CH3COCH3 + MnO2 = Mn + CO2 + H2O =>
CH3COCH3 + 4 MnO2 = 4 Mn + 3 CO2 + 3 H2O
NaHCO3 + H2C4H4O6 = Na2C4H4O6 + CO2 + H2O =>
2 NaHCO3 + H2C4H4O6 = Na2C4H4O6 + 2 CO2 + 2 H2O
NO3 + CO = NO2 + CO2 =>
NO3 + CO = NO2 + CO2
K2CrO4 + KI + H2SO4 = K2SO4 + Cr2(SO4)3 + I2 + H2O =>
2 K2CrO4 + 6 KI + 8 H2SO4 = 5 K2SO4 + Cr2(SO4)3 + 3 I2 + 8 H2O
CaCl2 + Br2 = CaBr2 + Cl2 =>
CaCl2 + Br2 = CaBr2 + Cl2
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
K2CO3(aq) + Pb(NO3)2(aq) = KNO3(aq) + PbCO3(s) =>
K2CO3(aq) + Pb(NO3)2(aq) = 2 KNO3(aq) + PbCO3(s)
ammonia + oxygen = N2O + H2O =>
2 NH3 + 2 O2 = N2O + 3 H2O
TiCl3 + NaClO4 + H2SO4 = H2O + HClO3 + Ti(SO4)2 + NaCl =>
8 TiCl3 + 19 NaClO4 + 16 H2SO4 = 4 H2O + 24 HClO3 + 8 Ti(SO4)2 + 19 NaCl
C2H7NO2 + H2O = CH3COOH + NH4OH =>
C2H7NO2 + H2O = CH3COOH + NH4OH
WCl4 + K2CrO4 + H2SO4 = H2WO4 + HClO3 + Cr2(SO4)3 + K2SO4 + H2O =>
3 WCl4 + 26 K2CrO4 + 65 H2SO4 = 3 H2WO4 + 12 HClO3 + 13 Cr2(SO4)3 + 26 K2SO4 + 56 H2O
NO2 + H2O = HNO3 + NO =>
3 NO2 + H2O = 2 HNO3 + NO
FeCl3(aq) + K4[Fe(Cn)6](aq) = Fe4[Fe(Cn)6]3(aq) + KCl(s) =>
4 FeCl3(aq) + 3 K4[Fe(Cn)6](aq) = Fe4[Fe(Cn)6]3(aq) + 12 KCl(s)
C5H4O2 + H2 = C5H10O + H2O =>
C5H4O2 + 4 H2 = C5H10O + H2O
H3PO4 + NaOH = HOH + Na3PO4 =>
H3PO4 + 3 NaOH = 3 HOH + Na3PO4
HSO4 + NaOH = NaSO4 + H2O =>
HSO4 + NaOH = NaSO4 + H2O
Cu(NO3)2 = CuO + NO2 + O2 =>
2 Cu(NO3)2 = 2 CuO + 4 NO2 + O2
CH3COO + K = CH3COOK =>
CH3COO + K = CH3COOK
C2H6O + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO4 + CH3COOH + H2O =>
3 C2H6O + 2 K2Cr2O7 + 8 H2SO4 = 2 Cr2(SO4)3 + 2 K2SO4 + 3 CH3COOH + 11 H2O
Cu + I2 = CuI2 =>
Cu + I2 = CuI2
LiCl(aq) + AgNO3(aq) = LiNO3 + AgCl =>
LiCl(aq) + AgNO3(aq) = LiNO3 + AgCl
PBr5 + NaOH = Na2HPO4 + NaBr + H2O =>
PBr5 + 7 NaOH = Na2HPO4 + 5 NaBr + 3 H2O
CuS + O2 = CuSO4 =>
CuS + 2 O2 = CuSO4
Fe(s) + H2SO4(aq) = (FeSO4)2(aq) + H2(g) =>
2 Fe(s) + 2 H2SO4(aq) = (FeSO4)2(aq) + 2 H2(g)
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
RaCl2 = RaCl + Cl =>
RaCl2 = RaCl + Cl
K2CrO4 + NaCl = Na2CrO4 + KCl =>
K2CrO4 + 2 NaCl = Na2CrO4 + 2 KCl
H2SO4(ac) + KMnO4(ac) + H2O2(ac) = HMnO4(ac) + KSO4 + H2O =>
2 H2SO4(ac) + 2 KMnO4(ac) + H2O2(ac) = 2 HMnO4(ac) + 2 KSO4 + 2 H2O
Ca3PO8 + C + SiO2 = CaSiO3 + CO + P4 =>
4 Ca3PO8 + 20 C + 12 SiO2 = 12 CaSiO3 + 20 CO + P4
HgS + KI = K2[HgI4] + K2S =>
HgS + 4 KI = K2[HgI4] + K2S
CuSO4*5H2O + NaCl = CuCl2*2H2O + Na2SO4 + H2O =>
CuSO4*5H2O + 2 NaCl = CuCl2*2H2O + Na2SO4 + 3 H2O
AgF2 + Al = AlF4 + Ag =>
2 AgF2 + Al = AlF4 + 2 Ag
ZnO + CH3SH = ZnS + H2O + CH2 =>
ZnO + CH3SH = ZnS + H2O + CH2
I2 + FNa = INa + F2 =>
I2 + 2 FNa = 2 INa + F2
CO2 + NH3 + H2O = CH5NO3 =>
CO2 + NH3 + H2O = CH5NO3
NaClO4 + Zn + HCl = NaCl + ZnCl2 + H2O =>
NaClO4 + 4 Zn + 8 HCl = NaCl + 4 ZnCl2 + 4 H2O
FeSO4 + Ca(NO3)2 + H2O = Fe(NO3)2 + CaSO4*2H2O =>
FeSO4 + Ca(NO3)2 + 2 H2O = Fe(NO3)2 + CaSO4*2H2O
H2S + Rb(OH) = Rb2S + H2O =>
H2S + 2 Rb(OH) = Rb2S + 2 H2O
S + Br2 + KOH = K2SO4 + KBr + HBr =>
S + 3 Br2 + 4 KOH = K2SO4 + 2 KBr + 4 HBr
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
HCl(g) + NaHCO3(s) = NaCl(s) + H2O(l) + CO2(g) =>
HCl(g) + NaHCO3(s) = NaCl(s) + H2O(l) + CO2(g)
K2PO4 + MgCl2 = MgPO4 + K2Cl2 =>
K2PO4 + MgCl2 = MgPO4 + K2Cl2
C6H14 + HNO3 = C6NO3 + H15 =>
C6H14 + HNO3 = C6NO3 + H15
P2O3 + HClO4 + H2O = H3PO4 + HCl =>
2 P2O3 + HClO4 + 6 H2O = 4 H3PO4 + HCl
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