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CuS + 10 HNO3 = Cu(NO3)2H2SO4 + 8 NO2 + 4 H2O
Fe + KSCN = Fe(SCN)3 + K =>
Fe + 3 KSCN = Fe(SCN)3 + 3 K
KIOO3 + KI + H2SO4 = I2 + K2SO4 + H2O =>
KIOO3 + 7 KI + 4 H2SO4 = 4 I2 + 4 K2SO4 + 4 H2O
Pb3N2 + Na2SO4 = PbSO4 + Na3N =>
Pb3N2 + 3 Na2SO4 = 3 PbSO4 + 2 Na3N
MgCl2 + NaBiO3 + HNO3 = HMgO4 + Bi(NO3)3 + NaNO3 + HCl + H2O =>
2 MgCl2 + 5 NaBiO3 + 20 HNO3 = 2 HMgO4 + 5 Bi(NO3)3 + 5 NaNO3 + 4 HCl + 7 H2O
Al2(SO3)3 + HCl = AlCl3 + H2OSO2 =>
Al2(SO3)3 + 6 HCl = 2 AlCl3 + 3 H2OSO2
PbAgN = PbNAg =>
PbAgN = PbNAg
C106H263O110N16P + HCl + O2 = CO2 + H2O + (NH4)3PO4 + NH4ClO3 =>
2 C106H263O110N16P + 26 HCl + 251 O2 = 212 CO2 + 212 H2O + 2(NH4)3PO4 + 26 NH4ClO3
CuSO4 + NH4Cl = (NH4)2SO4 + CuCl2 =>
CuSO4 + 2 NH4Cl = (NH4)2SO4 + CuCl2
MoS2 + H2O = H2SO4 + Mo + H2 =>
MoS2 + 8 H2O = 2 H2SO4 + Mo + 6 H2
Ca(HSO3)2 = CaO + H2O + SO2 =>
Ca(HSO3)2 = CaO + H2O + 2 SO2
Mg(NO3)2 + H2O = MgO + NH3 + O2 =>
Mg(NO3)2 + 3 H2O = MgO + 2 NH3 + 4 O2
Na2[Sn(OH)4] + BiCl3 + NaOH = Na2SnO3 + Bi + H2O + NaCl =>
3 Na2[Sn(OH)4] + 2 BiCl3 + 6 NaOH = 3 Na2SnO3 + 2 Bi + 9 H2O + 6 NaCl
Cr(OH)3 + Cl2 + OH{-} = CrO4{-}2 + Cl{-} + H2O =>
Cr(OH)3 + 2 Cl2 + 5 OH{-} = CrO4{-}2 + 4 Cl{-} + 4 H2O
PbI2 + KNO3 = Pb(NO3)2 + KI =>
PbI2 + 2 KNO3 = Pb(NO3)2 + 2 KI
C3H7Cl + NaOH = NaCl + C3H7OH =>
C3H7Cl + NaOH = NaCl + C3H7OH
KMnO4 + KOH + Zn = K2MnO4 + K2[Zn(OH)4] =>
2 KMnO4 + 4 KOH + Zn = 2 K2MnO4 + K2[Zn(OH)4]
Fe2O3(g) + H2(g) = Fe(s) + H2O(g) =>
Fe2O3(g) + 3 H2(g) = 2 Fe(s) + 3 H2O(g)
Cu5FeS4 = Cu2S + FeS + S =>
2 Cu5FeS4 = 5 Cu2S + 2 FeS + S
IO3{-} + NH3OH = I{-} + NO2 + H3O =>
7 IO3{-} + 9 NH3OH = 7 I{-} + 9 NO2 + 12 H3O
RbOH(aq) + HNO3(aq) = RbNO3 + H2O =>
RbOH(aq) + HNO3(aq) = RbNO3 + H2O
P4 + H2O2 + NaOH = NaH2PO4 + H2O =>
P4 + 10 H2O2 + 4 NaOH = 4 NaH2PO4 + 8 H2O
Mg(s) + Fe(NO3)3(aq) = Mg(NO3)2 + Fe(s) =>
3 Mg(s) + 2 Fe(NO3)3(aq) = 3 Mg(NO3)2 + 2 Fe(s)
SFe = FeS =>
SFe = FeS
CuOH2 = CuH2O =>
CuOH2 = CuH2O
A = A5 =>
5 A = A5
NaOH + Co(NO3)2 = NaNO3 + Co(OH)2 =>
2 NaOH + Co(NO3)2 = 2 NaNO3 + Co(OH)2
C(s) + Ca3(PO4)2(s) + SiO2(s) = CaSiO3(l) + P4(g) + CO(g) =>
10 C(s) + 2 Ca3(PO4)2(s) + 6 SiO2(s) = 6 CaSiO3(l) + P4(g) + 10 CO(g)
Ca + H2SO3 + H2O = Ca(H2SO4) + H2 =>
Ca + H2SO3 + H2O = Ca(H2SO4) + H2
CH3CONH2 + Br2 + KOH = CH3NH2 + KBr + K2CO3 + H2O =>
CH3CONH2 + Br2 + 4 KOH = CH3NH2 + 2 KBr + K2CO3 + 2 H2O
MnO4 + NaCl + H2SO4 = Mn + Cl2 + Na2SO4 + H2O =>
MnO4 + 8 NaCl + 4 H2SO4 = Mn + 4 Cl2 + 4 Na2SO4 + 4 H2O
Cu(Cl)2(s)Fe(s) = Fe(Cl)2Cu(s) =>
Cu(Cl)2(s)Fe(s) = Fe(Cl)2Cu(s)
Pb(C2H3O2)2 + Na2CO3 = Na2(C2H3O2)2 + PbCO3 =>
Pb(C2H3O2)2 + Na2CO3 = Na2(C2H3O2)2 + PbCO3
Zn(NO3)2 + O = ZnO + NO3 =>
Zn(NO3)2 + O = ZnO + 2 NO3
NaOH + (NH4)2(SO4) = Na2(SO4) + NH3 + H2O =>
2 NaOH + (NH4)2(SO4) = Na2(SO4) + 2 NH3 + 2 H2O
NiH2O = NiOH2 =>
NiH2O = NiOH2
Fe2(NO3)2 + NaOH = Fe2(OH)2 + Na(NO3) =>
Fe2(NO3)2 + 2 NaOH = Fe2(OH)2 + 2 Na(NO3)
CuCl2 + Li2CO3 = CuLi2 + Cl2CO3 =>
CuCl2 + Li2CO3 = CuLi2 + Cl2CO3
NaCl(aq) + KNO3(aq) = NaNO3 + KCl =>
NaCl(aq) + KNO3(aq) = NaNO3 + KCl
Ca(OH)2 + CO2 = Ca(HCO3)2 =>
Ca(OH)2 + 2 CO2 = Ca(HCO3)2
CH3COOC2H3 + NaOH = CH3COONa + C2H3OH =>
CH3COOC2H3 + NaOH = CH3COONa + C2H3OH
Al2(Cr2O7)3 + K3PO4 = AlPO4 + K2Cr2O7 =>
Al2(Cr2O7)3 + 2 K3PO4 = 2 AlPO4 + 3 K2Cr2O7
CuAgSO4 = CuSO4Ag =>
CuAgSO4 = CuSO4Ag
P = P2 =>
2 P = P2
Na2HCO3 + Cu(NO3)2 = CuCO3 + NaNO3 + H =>
Na2HCO3 + Cu(NO3)2 = CuCO3 + 2 NaNO3 + H
K2[Sn(OH)4] + KBiO3 + H2O = Bi(OH)3 + KOH + SnO2 =>
K2[Sn(OH)4] + KBiO3 + H2O = Bi(OH)3 + 3 KOH + SnO2
ZnF2(aq) + PBr3(aq) = PF3(aq) + ZnBr2(aq) =>
3 ZnF2(aq) + 2 PBr3(aq) = 2 PF3(aq) + 3 ZnBr2(aq)
BaCl2 + NaCH3COO = Ba(CH3COO)2 + NaCl =>
BaCl2 + 2 NaCH3COO = Ba(CH3COO)2 + 2 NaCl
Ca(OH)2 + H(Cl) = Ca(Cl)2 + H(OH) =>
Ca(OH)2 + 2 H(Cl) = Ca(Cl)2 + 2 H(OH)
CaO + Cl2O7 = CaCl2 + O =>
CaO + Cl2O7 = CaCl2 + 8 O
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