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4 FeCO3 + O2 = 2 Fe2O3 + 4 CO2
HIO4 + Al(OH)3 = Al(IO4)3 + H2O =>
3 HIO4 + Al(OH)3 = Al(IO4)3 + 3 H2O
CaCO3 + H3PO4 = Ca3(PO4)2 + H2CO3 =>
3 CaCO3 + 2 H3PO4 = Ca3(PO4)2 + 3 H2CO3
SnCl2 + KOH = Sn(OH)Cl2 + K =>
SnCl2 + KOH = Sn(OH)Cl2 + K
Cu + HCl = CuCl2 + H2 =>
Cu + 2 HCl = CuCl2 + H2
MgF2 + Cs = CsF + Mg =>
MgF2 + 2 Cs = 2 CsF + Mg
Ca(NO3)2(aq) + Na2SO4(aq) = CaSO4(s) + NaNO3(aq) =>
Ca(NO3)2(aq) + Na2SO4(aq) = CaSO4(s) + 2 NaNO3(aq)
Ca3(PO4)2(s) + SiO2 + C(s) = CaSiO3(s) + P4(s) + CO(g) =>
2 Ca3(PO4)2(s) + 6 SiO2 + 10 C(s) = 6 CaSiO3(s) + P4(s) + 10 CO(g)
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
PBO2 = O2 + PBO =>
2 PBO2 = O2 + 2 PBO
NO2 + O2 + H2O = HNO3 =>
4 NO2 + O2 + 2 H2O = 4 HNO3
HCL(aq) + NAOH(aq) = H2O(l) + NACL(aq) =>
HCL(aq) + NAOH(aq) = H2O(l) + NACL(aq)
Na2Cr2O7 + NH4NO3 = NaNO3 + (NH4)2Cr2O7 =>
Na2Cr2O7 + 2 NH4NO3 = 2 NaNO3 + (NH4)2Cr2O7
FeCO3 + O2 = Fe2O3 + CO2 =>
4 FeCO3 + O2 = 2 Fe2O3 + 4 CO2
B2H6 + NaOH + H2O = Na2B4O7 + H2 =>
2 B2H6 + 2 NaOH + 5 H2O = Na2B4O7 + 12 H2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
Fe(g) + O2(g) = FeO2(g) =>
Fe(g) + O2(g) = FeO2(g)
F2 + MgBr2 = Br + F2Mg =>
F2 + MgBr2 = 2 Br + F2Mg
NH3 + KH2PO4 = H2O + NHO + KPO =>
NH3 + KH2PO4 = 2 H2O + NHO + KPO
SI + HCl = SICl + H2 =>
2 SI + 2 HCl = 2 SICl + H2
Cl2 + NiBr3 = NiCl2 + Br2 =>
2 Cl2 + 2 NiBr3 = 2 NiCl2 + 3 Br2
Cl2 + NaBr = NaCl + Br2 =>
Cl2 + 2 NaBr = 2 NaCl + Br2
HCl + SO4 = H2SO4 + Cl =>
2 HCl + SO4 = H2SO4 + 2 Cl
BeO + HCl = BeCl + OH =>
BeO + HCl = BeCl + OH
ZnF2 + Na3 + PO4 = Zn3(PO4)2 + NaF =>
3 ZnF2 + 2 Na3 + 2 PO4 = Zn3(PO4)2 + 6 NaF
HCl + Na[Cr(OH)4] = Cr(OH)3 + NaCl + H2O =>
HCl + Na[Cr(OH)4] = Cr(OH)3 + NaCl + H2O
Cl{-} + Hg2{+2} = Hg2Cl2 =>
2 Cl{-} + Hg2{+2} = Hg2Cl2
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
K + H2O = KOH + H2 =>
2 K + 2 H2O = 2 KOH + H2
CH3COOH + Ag = CH3COOAg + H2 =>
2 CH3COOH + 2 Ag = 2 CH3COOAg + H2
Na2S + CdSO4 = Na2SO4 + CdS =>
Na2S + CdSO4 = Na2SO4 + CdS
KMnO4 + Cr2S3 + H2O = K2CrO4 + K2S4O6 + MnO2 + KOH =>
26 KMnO4 + 4 Cr2S3 + 2 H2O = 8 K2CrO4 + 3 K2S4O6 + 26 MnO2 + 4 KOH
Cs + MgF2 = CsF + Mg =>
2 Cs + MgF2 = 2 CsF + Mg
CuS + AgNO3 = Cu(NO3)2 + Ag2S =>
CuS + 2 AgNO3 = Cu(NO3)2 + Ag2S
Au + HNO2 = AuN2O3 + H2O =>
Au + 2 HNO2 = AuN2O3 + H2O
SrBr2 + K2SO4 = SrSO4 + KBr =>
SrBr2 + K2SO4 = SrSO4 + 2 KBr
Cr2O4 + H2O = Cr2O7 + H =>
Cr2O4 + 3 H2O = Cr2O7 + 6 H
F2 + KBr = F2KBr =>
F2 + KBr = F2KBr
PbO + NH3 = N + H2O + Pb =>
3 PbO + 2 NH3 = 2 N + 3 H2O + 3 Pb
[Co(NH3)6]Cl2 + HCl = H2[CoCl4] + NH3 =>
[Co(NH3)6]Cl2 + 2 HCl = H2[CoCl4] + 6 NH3
Si2H3 + O2 = H2O + SiO2 =>
4 Si2H3 + 11 O2 = 6 H2O + 8 SiO2
P4 = P2 =>
P4 = 2 P2
PB(NO3)2 + K2S = PBS + KNO3 =>
PB(NO3)2 + K2S = PBS + 2 KNO3
Fe2(SO4)3 + (KOH) = (K2SO4) + (Fe(OH)3) =>
Fe2(SO4)3 + 6(KOH) = 3(K2SO4) + 2(Fe(OH)3)
Mn(NO3)3 + (NH4)3PO4 = MnPO4 + NH4NO3 =>
Mn(NO3)3 + (NH4)3PO4 = MnPO4 + 3 NH4NO3
Na3[Cr(OH)6] + NaOH + PbO2 = Na2CrO4 + H2O + Na2[Pb(OH)4] =>
2 Na3[Cr(OH)6] + 4 NaOH + 3 PbO2 = 2 Na2CrO4 + 2 H2O + 3 Na2[Pb(OH)4]
FeSO4 + H2O = Fe(OH)2 + H2SO4 =>
FeSO4 + 2 H2O = Fe(OH)2 + H2SO4
Co2 + H2SO4 = CoH2SO4 =>
Co2 + 2 H2SO4 = 2 CoH2SO4
K2Cr2O7 + HCl = KCl + Cr2O3 + Cl2 + H2O =>
K2Cr2O7 + 8 HCl = 2 KCl + Cr2O3 + 3 Cl2 + 4 H2O
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