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8 HY + H2SO4 = 4 Y2 + H2S + 4 H2O
C2H2(g) + O2(g) = CO2(g) + H2O(g) =>
2 C2H2(g) + 5 O2(g) = 4 CO2(g) + 2 H2O(g)
MgCl2(NH4)2S = MgS(NH4)2Cl2 =>
MgCl2(NH4)2S = MgS(NH4)2Cl2
H2CO3(aq) + Sr(OH)2(aq) = H2O(l) + Sr(HCO3)2(aq) =>
2 H2CO3(aq) + Sr(OH)2(aq) = 2 H2O(l) + Sr(HCO3)2(aq)
H2SAg = AgSH2 =>
H2SAg = AgSH2
NaCl + KCr2O7 + H2SO4 = K2SO4 + Na2SO4 + Cr2(SO4)3 + Cl2 + H2O =>
14 NaCl + 2 KCr2O7 + 14 H2SO4 = K2SO4 + 7 Na2SO4 + 2 Cr2(SO4)3 + 7 Cl2 + 14 H2O
Fe3C + SnCl2 = FeCl2 + C + Sn =>
Fe3C + 3 SnCl2 = 3 FeCl2 + C + 3 Sn
N2H6SO4 + I2 = N2 + H2SO4 + HI =>
N2H6SO4 + 2 I2 = N2 + H2SO4 + 4 HI
AuLiCl = LiAuCl =>
AuLiCl = LiAuCl
ZnSNaCl = NaZnClS =>
ZnSNaCl = NaZnClS
C2H2 + OH{-} = C2H{-} + H2O =>
C2H2 + OH{-} = C2H{-} + H2O
PbO2 + Cl{-} + H{+} = Pb{+2} + Cl2 + H2O =>
PbO2 + 2 Cl{-} + 4 H{+} = Pb{+2} + Cl2 + 2 H2O
B2H6 + Cl2 = BCl3 + HCl =>
B2H6 + 6 Cl2 = 2 BCl3 + 6 HCl
Na2S + I2 + H2O + NaNO3 = Na2S2O3 + NaI + HNO3 =>
2 Na2S + 4 I2 + 3 H2O + 6 NaNO3 = Na2S2O3 + 8 NaI + 6 HNO3
Cr(OH)3 + BaO = Cr2(BaO2)3 + H2O =>
2 Cr(OH)3 + 3 BaO = Cr2(BaO2)3 + 3 H2O
CuSO4 + NH3 + H2O = Cu(OH)2CuSO4 + (NH4)2SO4 =>
2 CuSO4 + 2 NH3 + 2 H2O = Cu(OH)2CuSO4 + (NH4)2SO4
CO(OH)2 = COO + H2O =>
CO(OH)2 = COO + H2O
Fe2O3(s) + C(s) = Fe(s) + CO(g) =>
Fe2O3(s) + 3 C(s) = 2 Fe(s) + 3 CO(g)
CF3COOH + CH3CH2OH = CF3COOCH2CH3 + H2O =>
CF3COOH + CH3CH2OH = CF3COOCH2CH3 + H2O
AI + NiBr3 = AIBr3 + Ni =>
AI + NiBr3 = AIBr3 + Ni
Br2 + FeSO4 = Fe(SO4)3 + FeBr3 =>
3 Br2 + 3 FeSO4 = Fe(SO4)3 + 2 FeBr3
CoCl2 + NH4SCN = CoSCN + NH4 + Cl2 =>
CoCl2 + NH4SCN = CoSCN + NH4 + Cl2
Ca + Cd4O = CaO + Cd =>
Ca + Cd4O = CaO + 4 Cd
Fe + HNO3 = Fe[NO3]2 + NH4NO3 + H2O =>
4 Fe + 10 HNO3 = 4 Fe[NO3]2 + NH4NO3 + 3 H2O
Rb2O2 = Rb + O2 =>
Rb2O2 = 2 Rb + O2
FeSO4(NH4)2S = FeS + (NH4)2SO4 =>
FeSO4(NH4)2S = FeS + (NH4)2SO4
NO + O2 = NO2 =>
2 NO + O2 = 2 NO2
Br2 + FeSO4 = Fe(SO4)3 + FeBr3 =>
3 Br2 + 3 FeSO4 = Fe(SO4)3 + 2 FeBr3
CdCl2 + HS = CdS2 + HCl =>
CdCl2 + 2 HS = CdS2 + 2 HCl
Al + Nb2O5 = Al2O + Nb =>
10 Al + Nb2O5 = 5 Al2O + 2 Nb
C2H3NaO2 + H2O = NaOH + C4H8O4 =>
2 C2H3NaO2 + 2 H2O = 2 NaOH + C4H8O4
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
HCN = NHC =>
HCN = NHC
HCOOH + K = HCOOK + H2 =>
2 HCOOH + 2 K = 2 HCOOK + H2
OsO4 + NaOH = Na2[OsO4(OH)2] =>
OsO4 + 2 NaOH = Na2[OsO4(OH)2]
C2H6S2 + HBr = Br2C2H4 + H2S =>
C2H6S2 + 2 HBr = Br2C2H4 + 2 H2S
NiH2PO4 + Li3PO4 = Ni3PO4 + LiH2PO4 =>
3 NiH2PO4 + Li3PO4 = Ni3PO4 + 3 LiH2PO4
N2H6SO4 + I2 = N2 + H2SO4 + HI =>
N2H6SO4 + 2 I2 = N2 + H2SO4 + 4 HI
FeSO4CaCO3 = FeCO3CaSO4 =>
FeSO4CaCO3 = FeCO3CaSO4
ZnO + H2NO3 = ZnNO3 + H2O =>
ZnO + H2NO3 = ZnNO3 + H2O
CH3COONa + NaOH = Na2CO3 + CH4 =>
CH3COONa + NaOH = Na2CO3 + CH4
K3N + O2 = K2O + N2O5 =>
2 K3N + 4 O2 = 3 K2O + N2O5
KMnO4 + Na2SO3 + H2O = MnO2 + Na2SO4 + KOH =>
2 KMnO4 + 3 Na2SO3 + H2O = 2 MnO2 + 3 Na2SO4 + 2 KOH
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
NF + O = NOF =>
NF + O = NOF
(H{+}) + OH{-} = H2O =>
(H{+}) + OH{-} = H2O
NaCl(aq) + KBr(aq) = KCl(aq) + NaBr(aq) =>
NaCl(aq) + KBr(aq) = KCl(aq) + NaBr(aq)
AgO + OZn + H2O = Ag2O4Zn + H2 =>
2 AgO + OZn + H2O = Ag2O4Zn + H2
NaNO2HNO3 = HNO2NaNO3 =>
NaNO2HNO3 = HNO2NaNO3
Mg(OH)2 + H2(SO4) = MgSO4 + H(OH) =>
Mg(OH)2 + H2(SO4) = MgSO4 + 2 H(OH)
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