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2 NaNO2 + 2 H2SO4 + 2 KI = I2 + K2SO4 + Na2SO4 + 2 NO + 2 H2O
Mg2 + CO2 = MgO + C2 =>
2 Mg2 + 2 CO2 = 4 MgO + C2
C4H10 = C + H2 =>
C4H10 = 4 C + 5 H2
NiO + NaOH + H2O = Na2[Ni(OH)4] =>
NiO + 2 NaOH + H2O = Na2[Ni(OH)4]
C2H2 + H2 = C2H6 =>
C2H2 + 2 H2 = C2H6
CaSiO3 + KOH = Ca(OH)2 + K2SiO3 =>
CaSiO3 + 2 KOH = Ca(OH)2 + K2SiO3
CO2 + Mg = MgO + C =>
CO2 + 2 Mg = 2 MgO + C
CH3CHCl2 + KOH = CH3CHO + KCl + H2O =>
CH3CHCl2 + 2 KOH = CH3CHO + 2 KCl + H2O
NaHCO3 = Na2CO3H2OCO2 =>
2 NaHCO3 = Na2CO3H2OCO2
Zn(C2H2O2)2 + NaOH = Zn(OH)2 + NaC2H2O2 =>
Zn(C2H2O2)2 + 2 NaOH = Zn(OH)2 + 2 NaC2H2O2
CuSO4 + NaOH + CH3COCH3 = Cu2O + CH3COOH + Na2SO4 + H2O =>
8 CuSO4 + 16 NaOH + 2 CH3COCH3 = 4 Cu2O + 3 CH3COOH + 8 Na2SO4 + 8 H2O
C7H6N2O4 + HNO3 = C7H5N3O6 + H2O =>
C7H6N2O4 + HNO3 = C7H5N3O6 + H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
Fe(s)CuSO4(aq) = Cu(s)FeSO4(aq) =>
Fe(s)CuSO4(aq) = Cu(s)FeSO4(aq)
AgI + Fe2(CO3)3 = FeI3 + Ag2CO3 =>
6 AgI + Fe2(CO3)3 = 2 FeI3 + 3 Ag2CO3
Mg + H2O = Mg(OH)2 + H2 =>
Mg + 2 H2O = Mg(OH)2 + H2
CHCl3 + H2O = HCl + CO =>
CHCl3 + H2O = 3 HCl + CO
K2 + S = K2S =>
K2 + S = K2S
KNO2 + KI + H2SO4 = I2 + K2SO4 + (NH4)2SO4 + H2O =>
2 KNO2 + 12 KI + 8 H2SO4 = 6 I2 + 7 K2SO4 + (NH4)2SO4 + 4 H2O
C4H6O2 + NaOH = CH3CO2 + CH3OH + Na =>
5 C4H6O2 + 10 NaOH = 8 CH3CO2 + 4 CH3OH + 10 Na
Zn + FeCl3 = ZnCl2 + Fe =>
3 Zn + 2 FeCl3 = 3 ZnCl2 + 2 Fe
N + H2 = NH3 =>
2 N + 3 H2 = 2 NH3
HI(aq) + KHSO3(aq) = K2I + H2 + SO3 =>
2 HI(aq) + 4 KHSO3(aq) = 2 K2I + 3 H2 + 4 SO3
CoI3 + Pb(NO3)2 = PbI2 + Co(NO3)3 =>
2 CoI3 + 3 Pb(NO3)2 = 3 PbI2 + 2 Co(NO3)3
B + Cl2 = BCl3 =>
2 B + 3 Cl2 = 2 BCl3
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
C6H6 + O2 = CO2 + H2O =>
2 C6H6 + 15 O2 = 12 CO2 + 6 H2O
Ag2O2 + HNO3 = AgNO3 + O2 + H2O =>
2 Ag2O2 + 4 HNO3 = 4 AgNO3 + O2 + 2 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
NaOH + H2Cl2 = NaCl + H2O =>
2 NaOH + H2Cl2 = 2 NaCl + 2 H2O
H2O2 = H2O + O2 =>
2 H2O2 = 2 H2O + O2
Na2SnO2 + H2O = Sn(OH)2 + NaOH =>
Na2SnO2 + 2 H2O = Sn(OH)2 + 2 NaOH
C10H6 + Cl2 = C + HCl =>
C10H6 + 3 Cl2 = 10 C + 6 HCl
MnCO3(s) = MnO + CO2 =>
MnCO3(s) = MnO + CO2
H2 + S + CuCl2 = CuS + HCl =>
H2 + S + CuCl2 = CuS + 2 HCl
NaCIO = NaCI + O2 =>
2 NaCIO = 2 NaCI + O2
Al2(SO4)3 + Ag = Ag3SO4 + Al =>
Al2(SO4)3 + 9 Ag = 3 Ag3SO4 + 2 Al
Cd3N2 + Li = Cd + Li3N =>
Cd3N2 + 6 Li = 3 Cd + 2 Li3N
NiSO4 + HgCl2 = NiCl2 + HgSO4 =>
NiSO4 + HgCl2 = NiCl2 + HgSO4
HF + KOH = KF + H2O =>
HF + KOH = KF + H2O
AgNO3NaCl = AgClNaNO3 =>
AgNO3NaCl = AgClNaNO3
Ag(NO3) + H2SO4 = Ag2(SO4) + H(NO3) =>
2 Ag(NO3) + H2SO4 = Ag2(SO4) + 2 H(NO3)
NaBr(aq) + H2SO4(aq) = HBr + Na2SO4(aq) =>
2 NaBr(aq) + H2SO4(aq) = 2 HBr + Na2SO4(aq)
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
NH4H2PO4 = P2O5 + NH3 + H2O =>
2 NH4H2PO4 = P2O5 + 2 NH3 + 3 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
NaN3 = Na + N2 =>
2 NaN3 = 2 Na + 3 N2
FeCl3 + NH4OH = Fe(OH)3 + NH4Cl =>
FeCl3 + 3 NH4OH = Fe(OH)3 + 3 NH4Cl
NH4Cl + MgCO3 = MgCl2 + (NH4)2CO3 =>
2 NH4Cl + MgCO3 = MgCl2 + (NH4)2CO3
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