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3 NiS + 2 HNO3 + 6 HCl = 3 NiCl2 + 2 NO + 3 S + 4 H2O
CH3 + S = CS2 + H2S =>
2 CH3 + 7 S = 2 CS2 + 3 H2S
HNO3 + Cu = Cu(NO3)2 + H2O + NO =>
8 HNO3 + 3 Cu = 3 Cu(NO3)2 + 4 H2O + 2 NO
NaHCO3 + HC2H2O2 = CH3COONa + H2O + CO2 =>
7 NaHCO3 + 8 HC2H2O2 = 7 CH3COONa + 5 H2O + 9 CO2
Cu(II)SO4 = Cu(II) + SO4 =>
Cu(II)SO4 = Cu(II) + SO4
AgNO3 + Na2CO3 = Ag2CO3 + NaNO3 =>
2 AgNO3 + Na2CO3 = Ag2CO3 + 2 NaNO3
IBr3 + F2 = IF5 + BrF3 =>
IBr3 + 7 F2 = IF5 + 3 BrF3
Fe2O3(s) + CO(g) = Fe(s) + CO2(g) =>
Fe2O3(s) + 3 CO(g) = 2 Fe(s) + 3 CO2(g)
HNO3 + KOH = H2O + KNO3 =>
HNO3 + KOH = H2O + KNO3
HgNO3 = HgO + NO + O =>
HgNO3 = HgO + NO + O
Ti + H2SO4 = Ti(SO4)2 + H2 =>
Ti + 2 H2SO4 = Ti(SO4)2 + 2 H2
Pb(OH)4 + Cu2O = PbO2 + CuOH =>
Pb(OH)4 + 2 Cu2O = PbO2 + 4 CuOH
K + HNO3 = KH + NO3 =>
K + HNO3 = KH + NO3
IBr3 + F2 = IF5 + BrF5 =>
IBr3 + 10 F2 = IF5 + 3 BrF5
(NH4)(OH) + AlCl3 = (NH4)Cl + Al(OH)3 =>
3(NH4)(OH) + AlCl3 = 3(NH4)Cl + Al(OH)3
FeCI3 + CuCI = FeCI2 + CuCI2 =>
FeCI3 + CuCI = FeCI2 + CuCI2
BaZnO2 = ZnO + BaO =>
BaZnO2 = ZnO + BaO
MgCl2 + Pb(NO3)2 = Mg(NO3)2(aq) + PbCl2(s) =>
MgCl2 + Pb(NO3)2 = Mg(NO3)2(aq) + PbCl2(s)
H2NCONH2 + H2O + HCl = NH4Cl + CO2 =>
H2NCONH2 + H2O + 2 HCl = 2 NH4Cl + CO2
Sr(IO3)2 = Sr + IO3 =>
Sr(IO3)2 = Sr + 2 IO3
Ag(s) + KNO3(aq) = AgK + NO3 =>
Ag(s) + KNO3(aq) = AgK + NO3
Y(OH)3 = Y2O3 + H2O =>
2 Y(OH)3 = Y2O3 + 3 H2O
HNO3 + CaCO3 = CO2 + Ca(NO3)2 + H2O =>
2 HNO3 + CaCO3 = CO2 + Ca(NO3)2 + H2O
H6S + O2 = H2O + SO2 =>
2 H6S + 5 O2 = 6 H2O + 2 SO2
KNO3 + H2CO3 = K2CO3 + HNO3 =>
2 KNO3 + H2CO3 = K2CO3 + 2 HNO3
LiSO4 + Ba(C2H2O2)2 = Li(C2H2O2)2 + BaSO4 =>
LiSO4 + Ba(C2H2O2)2 = Li(C2H2O2)2 + BaSO4
Mn(s) + HCl(aq) = MnCl2(aq) + H2(g) =>
Mn(s) + 2 HCl(aq) = MnCl2(aq) + H2(g)
HgS + NaOH = HgO + Na2S + H2O =>
HgS + 2 NaOH = HgO + Na2S + H2O
HCl + KMnO4 = MnCl + Cl + KCl + H2O =>
8 HCl + KMnO4 = MnCl + 6 Cl + KCl + 4 H2O
CaO2 + HCl = CaClOOH =>
CaO2 + HCl = CaClOOH
RbNO3 + Mg + H2O = NH3 + Mg(OH)2 + Rb =>
2 RbNO3 + 9 Mg + 12 H2O = 2 NH3 + 9 Mg(OH)2 + 2 Rb
Zn + Fe(NO3)3 = Fe + Zn(NO3)2 =>
3 Zn + 2 Fe(NO3)3 = 2 Fe + 3 Zn(NO3)2
Mn2O7 = Mn + O =>
Mn2O7 = 2 Mn + 7 O
S + CaCl2 = SCl2 + Ca =>
S + CaCl2 = SCl2 + Ca
K2Cr2O7 + H2SO4 + Na2SO3 = Na2SO4 + Cr2(SO4)2 + K2SO4 + H2O =>
K2Cr2O7 + 3 H2SO4 + 4 Na2SO3 = 4 Na2SO4 + Cr2(SO4)2 + K2SO4 + 3 H2O
N2 + O = N2O5 =>
N2 + 5 O = N2O5
(NH4)2SO4 + KOH = H2O + K2SO4 + NH3 =>
(NH4)2SO4 + 2 KOH = 2 H2O + K2SO4 + 2 NH3
Mg(ClO2)2 + (NH4)2O = MgO + NH4ClO2 =>
Mg(ClO2)2 + (NH4)2O = MgO + 2 NH4ClO2
CrO3 + HCl = Cl2 + CrCl3 + H2O =>
2 CrO3 + 12 HCl = 3 Cl2 + 2 CrCl3 + 6 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
SiH4 + NF3 = SiF4 + NH3 =>
3 SiH4 + 4 NF3 = 3 SiF4 + 4 NH3
C2H6O + CN2H4O + MnSO4 + ZnSO4 + S = C8H12MnN4S8Zn + H2O + O =>
3 C2H6O + 2 CN2H4O + MnSO4 + ZnSO4 + 6 S = C8H12MnN4S8Zn + 7 H2O + 6 O
Ag + HNO3 = AgNO3 + NO + H2O =>
3 Ag + 4 HNO3 = 3 AgNO3 + NO + 2 H2O
[Cr(H2O)6]Cl2 + O2 + HCl = [Cr(H2O)6]Cl3 + H2O =>
4[Cr(H2O)6]Cl2 + O2 + 4 HCl = 4[Cr(H2O)6]Cl3 + 2 H2O
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
CU + HBr = CUBr2 + H2 =>
CU + 2 HBr = CUBr2 + H2
Sn + SnCl2 = Sn2Cl2 =>
Sn + SnCl2 = Sn2Cl2
Ca3P2 + H2O = Ca(OH)2 + H2 + P =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 3 H2 + 2 P
Fe + CuSO4 = FeSO4Cu =>
Fe + CuSO4 = FeSO4Cu
HCOOH + CH3NH2 = NH3 + CH3COOCH3 =>
HCOOH + 2 CH3NH2 = 2 NH3 + CH3COOCH3
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