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7 Zn + S7 = 7 ZnS
CH3COOH + NaOH = C2H3NaO2H2O =>
CH3COOH + NaOH = C2H3NaO2H2O
Rb + Zn(No3)2 = Rb(No3)2 + Zn =>
Rb + Zn(No3)2 = Rb(No3)2 + Zn
KCl + H2C4H4O6 = KHC4H4O6 + HCl =>
KCl + H2C4H4O6 = KHC4H4O6 + HCl
CoCl2 + NaNO2 + H2SO4 = Na3[Co(NO2)6] + NaCl + Na2SO4 + NO + H2O =>
CoCl2 + 7 NaNO2 + H2SO4 = Na3[Co(NO2)6] + 2 NaCl + Na2SO4 + NO + H2O
N4 + S10 = N2S5 =>
N4 + S10 = 2 N2S5
C9H8O4 + NaOH = Na8C9O4 + H2O =>
C9H8O4 + 8 NaOH = Na8C9O4 + 8 H2O
Cu(s) + O2 = Cu2O(s) =>
4 Cu(s) + O2 = 2 Cu2O(s)
Al + Ca(OH)2 = AlOH + Ca =>
2 Al + Ca(OH)2 = 2 AlOH + Ca
H2 + SO4 = H2O + S =>
4 H2 + SO4 = 4 H2O + S
Na4[MnCl6] + (NH4)2S = MnS + NaCl + NH4Cl =>
Na4[MnCl6] + (NH4)2S = MnS + 4 NaCl + 2 NH4Cl
CH3COOH + Pb(OH)2 = H2O + Pb(CH3COO)2 =>
2 CH3COOH + Pb(OH)2 = 2 H2O + Pb(CH3COO)2
AI2(CO3)3 = AI2O3 + CO2 =>
AI2(CO3)3 = AI2O3 + 3 CO2
C3H7OH + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
C3H7OH + 3 K2Cr2O7 + 12 H2SO4 = 3 CO2 + 3 Cr2(SO4)3 + 3 K2SO4 + 16 H2O
H3PO4 + HCl = PCl5 + H2O = NO2 =>
H3PO4 + 5 HCl = PCl5 + 4 H2O
MnBr2 + Pb3O4 + HNO3 = HMnO4 + Br2 + Pb(NO3)2 + H2O =>
2 MnBr2 + 7 Pb3O4 + 42 HNO3 = 2 HMnO4 + 2 Br2 + 21 Pb(NO3)2 + 20 H2O
C3H3OF + O2 = CO2 + H2O + F2 =>
4 C3H3OF + 13 O2 = 12 CO2 + 6 H2O + 2 F2
(CH3)3N + H2O = (CH3)3NH + OH =>
(CH3)3N + H2O = (CH3)3NH + OH
Hg + Te = HgTe =>
Hg + Te = HgTe
N2 + Cu + H2O = CuO + NH3 =>
N2 + 3 Cu + 3 H2O = 3 CuO + 2 NH3
GaF3 + Na3PO4 = GaPO4 + NaF =>
GaF3 + Na3PO4 = GaPO4 + 3 NaF
Cu(NH3)4 + K4[Fe(CN)6] = Cu2[Fe(CN)6] + NH3 + K =>
2 Cu(NH3)4 + K4[Fe(CN)6] = Cu2[Fe(CN)6] + 8 NH3 + 4 K
MgCl2 + Na(HO)2 = NaCl2 + Mg(HO)2 =>
MgCl2 + Na(HO)2 = NaCl2 + Mg(HO)2
P4 + O2 = P2O3 =>
P4 + 3 O2 = 2 P2O3
Ag2SO4(ag) + (NH4)2S(ag) = (NH4)2SO4(ag) + Ag2S(s) =>
Ag2SO4(ag) + (NH4)2S(ag) = (NH4)2SO4(ag) + Ag2S(s)
FeCl3(aq) + KOH = Fe(OH)3(s) + KCl(aq) =>
FeCl3(aq) + 3 KOH = Fe(OH)3(s) + 3 KCl(aq)
Ca3P2O8 + Si6O12 = P4O10 + CaSiO3 =>
2 Ca3P2O8 + Si6O12 = P4O10 + 6 CaSiO3
K2Cr2O7 + H2SO4 + SO2 = H2O + KCr(SO4)2 =>
K2Cr2O7 + H2SO4 + 3 SO2 = H2O + 2 KCr(SO4)2
NO3 + FeSO4 + H2SO4 = [Fe(NO)] + SO4 + H2O =>
NO3 + FeSO4 + 2 H2SO4 = [Fe(NO)] + 3 SO4 + 2 H2O
No + OH = NoOH =>
No + OH = NoOH
H3C6H5O7 + H2O = H3O + HCO2 =>
H3C6H5O7 + 17 H2O = 12 H3O + 6 HCO2
PbO2(ac) = PbO(s) + O2(g) =>
2 PbO2(ac) = 2 PbO(s) + O2(g)
Fe2(SO4)3 + NaI = FeI3 + Na2SO4 =>
Fe2(SO4)3 + 6 NaI = 2 FeI3 + 3 Na2SO4
Mg + HCl3 = H2 + MgCl3 =>
2 Mg + 2 HCl3 = H2 + 2 MgCl3
Fe(OH)2 + H3O = Fe + H2O =>
Fe(OH)2 + 2 H3O = Fe + 4 H2O
CU(OH)2 = CUO + H2O =>
CU(OH)2 = CUO + H2O
NaI + H2SO4 + Na2O2 = I2 + Na2SO4 + H2O =>
2 NaI + 2 H2SO4 + Na2O2 = I2 + 2 Na2SO4 + 2 H2O
Mn(s) + CuSO4(aq) = MnSO4(aq) + Cu =>
Mn(s) + CuSO4(aq) = MnSO4(aq) + Cu
KHC2O4*H2C2O4*2H2O + KMnO4 = MnO + K2C2O4 + H2O + CO2 =>
4 KHC2O4*H2C2O4*2H2O + 2 KMnO4 = 2 MnO + 3 K2C2O4 + 14 H2O + 10 CO2
Cu(s) + HNO3(ac) = Cu(NO3)2(ac) + NO(g) + H2O =>
3 Cu(s) + 8 HNO3(ac) = 3 Cu(NO3)2(ac) + 2 NO(g) + 4 H2O
KOH + ZnY2 = KY + Zn(OH)2 =>
2 KOH + ZnY2 = 2 KY + Zn(OH)2
W(CO)6 + HNO3 = WO3 + CO2 + NO2 + H2O =>
W(CO)6 + 18 HNO3 = WO3 + 6 CO2 + 18 NO2 + 9 H2O
Al2(SO4)3 + Pb(ClO3)2 = Al(ClO3)3 + Pb(SO4) =>
Al2(SO4)3 + 3 Pb(ClO3)2 = 2 Al(ClO3)3 + 3 Pb(SO4)
Mg + Cu(NO3)2 = MgN2O6 + Cu =>
Mg + Cu(NO3)2 = MgN2O6 + Cu
K2Cr2O7 + HI + H2SO4 = K2SO4 + Cr2(SO4) + I2 + H2O =>
K2Cr2O7 + 10 HI + 2 H2SO4 = K2SO4 + Cr2(SO4) + 5 I2 + 7 H2O
P4 + NaOH + H2O = PH3 + Na2HPO3 =>
P4 + 4 NaOH + 2 H2O = 2 PH3 + 2 Na2HPO3
H3O + calciumhydroxide = water + CaHOH =>
2 H3O + Ca(OH)2 = 3 H2O + CaHOH
C6H12O6 = C6H8O6 + H2 =>
C6H12O6 = C6H8O6 + 2 H2
Sodiumperoxide + H2O = sodiumhydroxide + O2 =>
2 Na2O2 + 2 H2O = 4 NaOH + O2
Ni(HCO3)2 + HBr = NiBr2 + CO2 + H2O =>
Ni(HCO3)2 + 2 HBr = NiBr2 + 2 CO2 + 2 H2O
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