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CaCO3 = CaO + CO2
C7H6O2 + O2 = CO2 + H2O =>
2 C7H6O2 + 15 O2 = 14 CO2 + 6 H2O
Ca(OH)2 + CO2 = CaCO3 + H2O =>
Ca(OH)2 + CO2 = CaCO3 + H2O
CaCO3 = CaO + CO2 =>
CaCO3 = CaO + CO2
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
KMNO4 + KI + H2SO4 = MNSO4 + K2SO4 + H2O + I2 =>
2 KMNO4 + 10 KI + 8 H2SO4 = 2 MNSO4 + 6 K2SO4 + 8 H2O + 5 I2
N2O + KMnO4 + H2SO4 = K2SO4 + MnSO4 + Mn(NO3)2 + H2O =>
5 N2O + 8 KMnO4 + 7 H2SO4 = 4 K2SO4 + 3 MnSO4 + 5 Mn(NO3)2 + 7 H2O
P2O5 + KOH = K3PO4 + H2O =>
P2O5 + 6 KOH = 2 K3PO4 + 3 H2O
P4O10 + H2O = H3PO4 =>
P4O10 + 6 H2O = 4 H3PO4
XeF2 + Mn(NO3)2 + KOH = KMnO4 + Xe + KF + KNO3 + H2O =>
5 XeF2 + 2 Mn(NO3)2 + 16 KOH = 2 KMnO4 + 5 Xe + 10 KF + 4 KNO3 + 8 H2O
N + H2 = NH3 =>
2 N + 3 H2 = 2 NH3
HNO3 + H2S = NO + S + H2O =>
2 HNO3 + 3 H2S = 2 NO + 3 S + 4 H2O
FESO4 + K2CO3 = FECO3 + K2SO4 =>
FESO4 + K2CO3 = FECO3 + K2SO4
NH3 + O2 = N2 + H2O =>
4 NH3 + 3 O2 = 2 N2 + 6 H2O
SnCl2 + K2Cr2O7 + H2SO4 = Sn(SO4)2 + SnCl4 + Cr2(SO4)3 + K2SO4 + H2O =>
6 SnCl2 + 2 K2Cr2O7 + 14 H2SO4 = 3 Sn(SO4)2 + 3 SnCl4 + 2 Cr2(SO4)3 + 2 K2SO4 + 14 H2O
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
Ca2 + O2 = CaO =>
Ca2 + O2 = 2 CaO
SnCl2 + K2Cr2O7 + H2SO4 = Sn(SO4)2 + SnCl4 + Cr2(SO4)3 + K2SO4 + H2O =>
6 SnCl2 + 2 K2Cr2O7 + 14 H2SO4 = 3 Sn(SO4)2 + 3 SnCl4 + 2 Cr2(SO4)3 + 2 K2SO4 + 14 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
C4H8 + O2 = CO2 + H2O =>
C4H8 + 6 O2 = 4 CO2 + 4 H2O
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
N2 + Mg = NMg2 =>
N2 + 4 Mg = 2 NMg2
FE(OH)3 + HCl = FEOHCl2 + H2O =>
FE(OH)3 + 2 HCl = FEOHCl2 + 2 H2O
C6H6 + CH3CL = C6H5CH3 + HCL =>
C6H6 + CH3CL = C6H5CH3 + HCL
C2H5NO2 + HNO3 = N2 + CO2 + H2O =>
5 C2H5NO2 + 9 HNO3 = 7 N2 + 10 CO2 + 17 H2O
AGNO3 + KI = AGI + KNO3 =>
AGNO3 + KI = AGI + KNO3
Mg + O2 = MgO =>
2 Mg + O2 = 2 MgO
CrCl3 + NaOH + NaClO = NaCrO4 + NaCl + H2O =>
CrCl3 + 4 NaOH + 2 NaClO = NaCrO4 + 5 NaCl + 2 H2O
Zn2 + S8 = Zn8S2 =>
16 Zn2 + S8 = 4 Zn8S2
CO2 + K(OH)2 = K(HCO3)2 =>
2 CO2 + K(OH)2 = K(HCO3)2
CrCl3 + Br2 + KOH = K2CrO4 + KBr + H2O + KCl =>
2 CrCl3 + 3 Br2 + 16 KOH = 2 K2CrO4 + 6 KBr + 8 H2O + 6 KCl
S + CO = SO2 + C =>
S + 2 CO = SO2 + 2 C
HClO4 + H2O = ClO4 + H3O =>
HClO4 + H2O = ClO4 + H3O
Sb + HNO3 = Sb2O5 + NO + H2O =>
6 Sb + 10 HNO3 = 3 Sb2O5 + 10 NO + 5 H2O
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
HgO = Hg + O =>
HgO = Hg + O
CuCl2 + Ba(OH)2 = Cu(OH)2 + BaCl2 =>
CuCl2 + Ba(OH)2 = Cu(OH)2 + BaCl2
AlBr3 + K2SO4 = KBr + Al2(SO4)3 =>
2 AlBr3 + 3 K2SO4 = 6 KBr + Al2(SO4)3
AGNO3 + KI = AGI + KNO3 =>
AGNO3 + KI = AGI + KNO3
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
EDTA + CaCl2 = CaEDTA + Cl2 =>
EDTA + CaCl2 = CaEDTA + Cl2
NH3 + HCL = NH4CL =>
NH3 + HCL = NH4CL
AgNO3 + MgCl2 = AgCl + Mg(NO3)2 =>
2 AgNO3 + MgCl2 = 2 AgCl + Mg(NO3)2
Cl(g) + NaBr(s) = NaCl(s) + Br2(l) =>
2 Cl(g) + 2 NaBr(s) = 2 NaCl(s) + Br2(l)
K + Cr + O2 = K2Cr2O7 =>
4 K + 4 Cr + 7 O2 = 2 K2Cr2O7
FeSO4 + KMNO4 + H2SO4 = Fe(SO4)3 + MNSO4 + K2SO4 + H2O =>
5 FeSO4 + 4 KMNO4 + 16 H2SO4 = 5 Fe(SO4)3 + 4 MNSO4 + 2 K2SO4 + 16 H2O
HCOOH + NAOH = HCOONA + H2O =>
HCOOH + NAOH = HCOONA + H2O
C2H2 + Br2 = C2H2Br2 =>
C2H2 + Br2 = C2H2Br2
Al + H2O + NaOH = NaAlO2 + H2 =>
2 Al + 2 H2O + 2 NaOH = 2 NaAlO2 + 3 H2
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