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4 Pa + 5 O2 = 2 Pa2O5
Cu2S = Cu + S =>
Cu2S = 2 Cu + S
C2H4O2S + O2 = CO2 + H2O + SO3 =>
2 C2H4O2S + 7 O2 = 4 CO2 + 4 H2O + 2 SO3
Zn + H2SO4 + H2O = ZnSO4*H2O + H2 =>
Zn + H2SO4 + H2O = ZnSO4*H2O + H2
CuO(s) + CO(g) = Cu(s) + CO2(g) =>
CuO(s) + CO(g) = Cu(s) + CO2(g)
NiO + CH4 = Ni + CO2 + H2O =>
4 NiO + CH4 = 4 Ni + CO2 + 2 H2O
Fe2O3 + H2(g) = Fe + H2O(g) =>
Fe2O3 + 3 H2(g) = 2 Fe + 3 H2O(g)
HCl + NaCH3CO2 = NaCl + CH4CO2 =>
HCl + NaCH3CO2 = NaCl + CH4CO2
Mg(NO3)2(aq) + H2SO4(aq) = MgSO4 + H2(NO3)2 =>
Mg(NO3)2(aq) + H2SO4(aq) = MgSO4 + H2(NO3)2
Al(s) + CuO(s) = Al2O3(s) + Cu(s) =>
2 Al(s) + 3 CuO(s) = Al2O3(s) + 3 Cu(s)
NaHO + AgNO3 = NaNO3 + AgHO =>
NaHO + AgNO3 = NaNO3 + AgHO
Ag2CO3(aq) + KBr(aq) = K2CO3 + AgBr =>
Ag2CO3(aq) + 2 KBr(aq) = K2CO3 + 2 AgBr
LiOH(aq) + H2CO3(aq) = Li2CO3 + H2O =>
2 LiOH(aq) + H2CO3(aq) = Li2CO3 + 2 H2O
CH4CO2 + O2 = CO2 + H2O =>
CH4CO2 + 2 O2 = 2 CO2 + 2 H2O
Sr(OH)2 + NaH2PO4 = Sr3(PO4)2 + NaOH + H2O =>
3 Sr(OH)2 + 2 NaH2PO4 = Sr3(PO4)2 + 2 NaOH + 4 H2O
K2CO3(aq) + HNO3(aq) = KNO3 + H2O + CO2 =>
K2CO3(aq) + 2 HNO3(aq) = 2 KNO3 + H2O + CO2
Fe2O3 + Ni = NiO + Fe =>
Fe2O3 + 3 Ni = 3 NiO + 2 Fe
NaH + BCl3 = NaCl + B + H =>
3 NaH + BCl3 = 3 NaCl + B + 3 H
Ba(s) + Al(NO3)3(aq) = Ba(NO3)2 + Al =>
3 Ba(s) + 2 Al(NO3)3(aq) = 3 Ba(NO3)2 + 2 Al
CH3CHBrCOOH + KOH = CH2CHCOOK + KBr + H2O =>
CH3CHBrCOOH + 2 KOH = CH2CHCOOK + KBr + 2 H2O
Zn + H3O = ZnO + H2 =>
2 Zn + 2 H3O = 2 ZnO + 3 H2
Na(OH) + CO2 = Na2CO3 + H2O =>
2 Na(OH) + CO2 = Na2CO3 + H2O
J2 + HNO3 = HJO3 + NO + H2O =>
3 J2 + 10 HNO3 = 6 HJO3 + 10 NO + 2 H2O
Sr(NO3)2 + (NH4)2S = SrS + NH4NO3 =>
Sr(NO3)2 + (NH4)2S = SrS + 2 NH4NO3
CrO3 + H2O = H2Cr2O7 =>
2 CrO3 + H2O = H2Cr2O7
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
SrCl2 + (NH4)2C2O4 = SrC2O4 + (NH4)Cl =>
SrCl2 + (NH4)2C2O4 = SrC2O4 + 2(NH4)Cl
Cr(OH)3 + Ba(OH)2 = Ba3(CrO3)2 + H2O =>
2 Cr(OH)3 + 3 Ba(OH)2 = Ba3(CrO3)2 + 6 H2O
Cr(s) + NiSO4(aq) = Cr2(SO4)3(aq) + Ni(s) =>
2 Cr(s) + 3 NiSO4(aq) = Cr2(SO4)3(aq) + 3 Ni(s)
C6H8O7 + H2O = C6H6O7 + H3O =>
C6H8O7 + 2 H2O = C6H6O7 + 2 H3O
C5H5Cl + O2 = CO2 + H2O + HCl =>
C5H5Cl + 6 O2 = 5 CO2 + 2 H2O + HCl
Zn + HNO3(dilute) = Zn(NO3)2 + N2O + H2O =>
4 Zn + 10 HNO3(dilute) = 4 Zn(NO3)2 + N2O + 5 H2O
HNO2 + CH3NH2 = CH3OH + H2O + N2 =>
HNO2 + CH3NH2 = CH3OH + H2O + N2
Fe + O2 + H2O = Fe2O3H6O3 =>
4 Fe + 3 O2 + 6 H2O = 2 Fe2O3H6O3
HC2H3O2 + RbOH = RbC2H3O2 + H2O =>
HC2H3O2 + RbOH = RbC2H3O2 + H2O
AgNO3 + SnCl2 = Ag + Sn(NO3)2 + SnCl4 =>
2 AgNO3 + 2 SnCl2 = 2 Ag + Sn(NO3)2 + SnCl4
MgS + NH4C2H3O2 = NH4S + MgC2H3O2 =>
MgS + NH4C2H3O2 = NH4S + MgC2H3O2
Fe(NH4)2(SO4)2*6H2O(s) + H2C2O4(aq) = FeC2O4*2H2O(s) + (NH4)2SO4(aq) + H2SO4(aq) + H2O =>
Fe(NH4)2(SO4)2*6H2O(s) + H2C2O4(aq) = FeC2O4*2H2O(s) + (NH4)2SO4(aq) + H2SO4(aq) + 4 H2O
C2H2 + HBrO + HBr = C2OBr2 + H2 =>
C2H2 + HBrO + HBr = C2OBr2 + 2 H2
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
CuO + HI = CuOH + I =>
CuO + HI = CuOH + I
Fe2O3 + MnO + SiO + SnO + O2 = FeMn3Si2Sn7O16 =>
2 Fe2O3 + 12 MnO + 8 SiO + 28 SnO + 5 O2 = 4 FeMn3Si2Sn7O16
K2(CrO7) + HCl = CrCl3 + KCl + Cl + H2O =>
K2(CrO7) + 14 HCl = CrCl3 + 2 KCl + 9 Cl + 7 H2O
As4S6 + O2 = SO2 + As406 =>
203 As4S6 + 1218 O2 = 1218 SO2 + 2 As406
H + CH3 + CO2 = HCH3CO2 =>
H + CH3 + CO2 = HCH3CO2
CaBr2(aq) + AgNO3 = AgBr + Ca(NO3)2 =>
CaBr2(aq) + 2 AgNO3 = 2 AgBr + Ca(NO3)2
Au + H3 = AuH3 =>
Au + H3 = AuH3
HC2H3O2(aq) + KOH(s) = KC2H3O2(aq) + H2O(l) =>
HC2H3O2(aq) + KOH(s) = KC2H3O2(aq) + H2O(l)
(Na2CO3)(aq) + (HNO3)(aq) = CO2 + (NaNO3) + H2O =>
(Na2CO3)(aq) + 2(HNO3)(aq) = CO2 + 2(NaNO3) + H2O
CH3COOAg + CH3NH3Br = CH3COONH3CH3 + AgBr =>
CH3COOAg + CH3NH3Br = CH3COONH3CH3 + AgBr
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