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21 Au(CN)2(aq) + Zn(s) = 21 Au(s) + Zn(CN)42(aq)
Au + KCN + O2 + H2O = KAu(CN)2 + KOH =>
4 Au + 8 KCN + O2 + 2 H2O = 4 KAu(CN)2 + 4 KOH
(NH4)2CO3 + NH4ClO4 = CO2 + H2O + HCl + N2 =>
5(NH4)2CO3 + 6 NH4ClO4 = 5 CO2 + 29 H2O + 6 HCl + 8 N2
Au + Pb(NO3)2 = Au(NO3)3 + Pb =>
2 Au + 3 Pb(NO3)2 = 2 Au(NO3)3 + 3 Pb
Au + Pb(NO3)2 = AuNO3 + Pb =>
2 Au + Pb(NO3)2 = 2 AuNO3 + Pb
Mg(OH)2(s) + HCl(aq) = MgCl2(aq) + H2O(l) =>
Mg(OH)2(s) + 2 HCl(aq) = MgCl2(aq) + 2 H2O(l)
ZnCl2 + K2CO3 = KCl + ZnCO3 =>
ZnCl2 + K2CO3 = 2 KCl + ZnCO3
NH4HSO4 + Na2SO4 = NH3 + NaHSO4 =>
NH4HSO4 + Na2SO4 = NH3 + 2 NaHSO4
Au + Pb(NO3)2 = Pb + Au(NO3)2 =>
Au + Pb(NO3)2 = Pb + Au(NO3)2
AgNO3 + K2SO3 + KOH = Ag + K2NO3 + K2SO4 + H2O =>
AgNO3 + K2SO3 + 2 KOH = Ag + K2NO3 + K2SO4 + H2O
Au + S2 = AuS =>
2 Au + S2 = 2 AuS
C2H4O2(g) + O2(g) = CO2(g) + H2O(v) =>
C2H4O2(g) + 2 O2(g) = 2 CO2(g) + 2 H2O(v)
K4Fe(CN)6 + H2SO4 + H2O = K2SO4 + FeSO4 + (NH4)2SO4 + COC6H5COOH + O2 = CO2 + H2O =>
4 K4Fe(CN)6 + 24 H2SO4 + 33 H2O = 8 K2SO4 + 4 FeSO4 + 12(NH4)2SO4 + 3 COC6H5COOH + 12 O2
(PO4)2 + H2O = P4 + OH =>
2(PO4)2 + 16 H2O = P4 + 32 OH
Ca1CO3 + H3PO4 = Ca3(PO4)2 + CO2 + H2O =>
3 Ca1CO3 + 2 H3PO4 = Ca3(PO4)2 + 3 CO2 + 3 H2O
Au2SO4 + Fe = Fe2(SO4)3 + Au =>
3 Au2SO4 + 2 Fe = Fe2(SO4)3 + 6 Au
C8468 + HO4 = CHO4 =>
C8468 + 8468 HO4 = 8468 CHO4
Ba(s) + HBr(aq) = BaBr(aq) + H2(g) =>
2 Ba(s) + 2 HBr(aq) = 2 BaBr(aq) + H2(g)
Ba(s) + HBr(aq) = BaBr2(aq) + H2(g) =>
Ba(s) + 2 HBr(aq) = BaBr2(aq) + H2(g)
S2X5 = X2 + S =>
2 S2X5 = 5 X2 + 4 S
Ba(s) + HCl(aq) = BaCl2(aq) + H2(g) =>
Ba(s) + 2 HCl(aq) = BaCl2(aq) + H2(g)
Ba + OH + H3PO4 = BaPO4 + H2O =>
Ba + 3 OH + H3PO4 = BaPO4 + 3 H2O
BaCO3(s) + HCl(aq) = BaCl2(aq) + H2O(l) + CO2(g) =>
BaCO3(s) + 2 HCl(aq) = BaCl2(aq) + H2O(l) + CO2(g)
CuHO + Zn = ZnHO + Cu =>
CuHO + Zn = ZnHO + Cu
AlS3 + H2O = Al(OH)3 + H2S2 =>
2 AlS3 + 6 H2O = 2 Al(OH)3 + 3 H2S2
BaCl2(aq) + KBr(aq) = KCl(aq) + BaBr2(s) =>
BaCl2(aq) + 2 KBr(aq) = 2 KCl(aq) + BaBr2(s)
BaH2(s) + H2O(l) = Ba(OH)2(aq) + H2(g) =>
BaH2(s) + 2 H2O(l) = Ba(OH)2(aq) + 2 H2(g)
BaO + As2O3 = Ba3(AsO3)2 =>
3 BaO + As2O3 = Ba3(AsO3)2
BaO + H3PO4 = Ba3(PO4)2 + H2O =>
3 BaO + 2 H3PO4 = Ba3(PO4)2 + 3 H2O
Na2S2O3 + HCl = Na2S4O6 + S + NaCl + H2O =>
5 Na2S2O3 + 6 HCl = 2 Na2S4O6 + 2 S + 6 NaCl + 3 H2O
NaOH + H2CO3 = Na2CO3 + H2O =>
2 NaOH + H2CO3 = Na2CO3 + 2 H2O
H2SO4 + KOH = K2SO4 + H2O =>
H2SO4 + 2 KOH = K2SO4 + 2 H2O
NaI + HNO3 = NO2 + I2 + NaOH =>
2 NaI + 2 HNO3 = 2 NO2 + I2 + 2 NaOH
Be(OH)2 + Ba(OH)2 = BaBeO2 + H2O =>
Be(OH)2 + Ba(OH)2 = BaBeO2 + 2 H2O
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
Br + HNO3 = HBr + NO3 =>
Br + HNO3 = HBr + NO3
Mg(NO3)2(aq) + ZnCl(aq) = MgCl2(aq) + Zn(NO3)(aq) =>
Mg(NO3)2(aq) + 2 ZnCl(aq) = MgCl2(aq) + 2 Zn(NO3)(aq)
Br2(l) + I2(s) = IBr3(s) =>
3 Br2(l) + I2(s) = 2 IBr3(s)
Br2 + LiOH = BrOH + Li =>
Br2 + 2 LiOH = 2 BrOH + 2 Li
C + HOH = CO + H =>
C + HOH = CO + 2 H
Fe + O2 = FeO =>
2 Fe + O2 = 2 FeO
C + HOH = CO + H2 =>
C + HOH = CO + H2
C10H16 + KMnO4 + H2O = MnO2 + KOH + C10H16(OH)2 =>
3 C10H16 + 2 KMnO4 + 4 H2O = 2 MnO2 + 2 KOH + 3 C10H16(OH)2
Mg2O4 + Al = Mg + Al2O3 =>
3 Mg2O4 + 8 Al = 6 Mg + 4 Al2O3
P + Ae = Ae3P2 =>
2 P + 3 Ae = Ae3P2
C2H2O4 = C + H2 + O2 =>
C2H2O4 = 2 C + H2 + 2 O2
C2H5COOH + Na = C2H5COONa + H2 =>
2 C2H5COOH + 2 Na = 2 C2H5COONa + H2
Al + H3O = Al(OH)3 + H2 =>
Al + 3 H3O = Al(OH)3 + 3 H2
C6H4(OH)COOH + CH3OH = C6H4(OH)COOCH3 + H2O =>
C6H4(OH)COOH + CH3OH = C6H4(OH)COOCH3 + H2O
(NH4)2S + HCl = (NH4)Cl + H2S =>
(NH4)2S + 2 HCl = 2(NH4)Cl + H2S
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