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2 HCI + CaCO3 = CaCI2 + H2O + 2 CO
Pb(ClO3)2 + NaHCO3 = Pb(HCO3)2 + NaClO3 =>
Pb(ClO3)2 + 2 NaHCO3 = Pb(HCO3)2 + 2 NaClO3
KClO3 = KCl + O2 =>
2 KClO3 = 2 KCl + 3 O2
A2 + D2 = A2D2 =>
A2 + D2 = A2D2
C + S8 = CS2 =>
4 C + S8 = 4 CS2
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
H2SO4 + NaOH = H2O + Na2SO4 =>
H2SO4 + 2 NaOH = 2 H2O + Na2SO4
CaBr2 + Cl2 = CaCl2 + Br2 =>
CaBr2 + Cl2 = CaCl2 + Br2
MgSO4 + KIO3 = Mg(IO3)2 + K2SO4 =>
MgSO4 + 2 KIO3 = Mg(IO3)2 + K2SO4
B2O3 + HCl = BCl3 + H2O =>
B2O3 + 6 HCl = 2 BCl3 + 3 H2O
KMnO4 + H2SO4 + CH3CHOHCH2CH3 = MnSO4 + K2SO4 + CH3COCH2CH3 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 CH3CHOHCH2CH3 = 2 MnSO4 + K2SO4 + 5 CH3COCH2CH3 + 8 H2O
Al(OH)3 + HBr = Al(Br)3 + H2O =>
Al(OH)3 + 3 HBr = Al(Br)3 + 3 H2O
CH3NHCH3 + HNO3 = C2H5OH + N2 + H2O =>
5 CH3NHCH3 + 3 HNO3 = 5 C2H5OH + 4 N2 + 4 H2O
H2NNH2 = N2 + H2 =>
H2NNH2 = N2 + 2 H2
Na2CO3 + HCl = NaCl + H2O + CO2 =>
Na2CO3 + 2 HCl = 2 NaCl + H2O + CO2
TiNCl + HCl = TiCl4 + NH3 =>
TiNCl + 3 HCl = TiCl4 + NH3
C4H6 + HBr = Br + C3H8 =>
3 C4H6 + 14 HBr = 14 Br + 4 C3H8
CO2 + H2O = C2H2 + O2 =>
4 CO2 + 2 H2O = 2 C2H2 + 5 O2
Fe + HNO3 = Fe[NO3]2 + H2O + NO =>
3 Fe + 8 HNO3 = 3 Fe[NO3]2 + 4 H2O + 2 NO
Mg + N2 = Mg3(N2)2 =>
3 Mg + 2 N2 = Mg3(N2)2
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
Na2CO3(aq) + NiCl2(aq) = Na2Cl2(aq) + NiCO3(s) =>
Na2CO3(aq) + NiCl2(aq) = Na2Cl2(aq) + NiCO3(s)
MgAl = Mg + Al =>
MgAl = Mg + Al
Zn(s) + Ni(NO2)2(aq) = Ni(s) + Zn(NO2)2(aq) =>
Zn(s) + Ni(NO2)2(aq) = Ni(s) + Zn(NO2)2(aq)
KBr(aq) + Na2CO3(aq) = K2CO3(aq) + NaBr(aq) =>
2 KBr(aq) + Na2CO3(aq) = K2CO3(aq) + 2 NaBr(aq)
S + KOH = K2SO3S + K2S + H2O =>
4 S + 6 KOH = K2SO3S + 2 K2S + 3 H2O
CaO(s) + S(s) + O2 = CaSO4(s) =>
2 CaO(s) + 2 S(s) + 3 O2 = 2 CaSO4(s)
P + Ag2O = P2O5 + Ag =>
2 P + 5 Ag2O = P2O5 + 10 Ag
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
H2 + O2 = H2O =>
2 H2 + O2 = 2 H2O
K2(CrO4) + Pb(C2H3O2)2 = K(C2H3O2) + Pb2(CrO4)2 =>
2 K2(CrO4) + 2 Pb(C2H3O2)2 = 4 K(C2H3O2) + Pb2(CrO4)2
C6H5ONa + HNO3 = C6H2OH(NO2)3 + NaOH + H2O =>
C6H5ONa + 3 HNO3 = C6H2OH(NO2)3 + NaOH + 2 H2O
FeCl2 + KMnO4 = FeClO2KMnClO2 =>
FeCl2 + KMnO4 = FeClO2KMnClO2
Cd(s) + HCl(aq) = H2(g) + CdCl2(aq) =>
Cd(s) + 2 HCl(aq) = H2(g) + CdCl2(aq)
H3PO3 = PH3 + P2O5 + H2O =>
8 H3PO3 = 2 PH3 + 3 P2O5 + 9 H2O
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
C9H19NH2 + O2 = CO2 + H2O + N2 =>
4 C9H19NH2 + 57 O2 = 36 CO2 + 42 H2O + 2 N2
CH8H5O4 + O2 = CO2 + H2O =>
4 CH8H5O4 + 9 O2 = 4 CO2 + 26 H2O
Te(s) + I2(s) = Te2I2(s) =>
2 Te(s) + I2(s) = Te2I2(s)
W + F2 + H2O = WO3 + HF =>
W + 3 F2 + 3 H2O = WO3 + 6 HF
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
CO2 + H2O = C2H5OH + O2 =>
2 CO2 + 3 H2O = C2H5OH + 3 O2
H2O + (CN)2 = H2C2O4 + NH3 =>
4 H2O + (CN)2 = H2C2O4 + 2 NH3
Al2(SO4)3 + Ca(OH)2 = Al(OH)3 + CaSO4 =>
Al2(SO4)3 + 3 Ca(OH)2 = 2 Al(OH)3 + 3 CaSO4
KI + ICl = I3 + KCl =>
3 KI + 3 ICl = 2 I3 + 3 KCl
Sulfur + Oxygen = Sulfurdioxide =>
S + O2 = SO2
KHCO3 + Fe2O3 + BaO2 + Os + PbO2 = KBaFeOsO6 + PbO + CO2 + H2O =>
2 KHCO3 + Fe2O3 + 2 BaO2 + 2 Os + 4 PbO2 = 2 KBaFeOsO6 + 4 PbO + 2 CO2 + H2O
C3H3 + O2 = C02 + H2O =>
4 C3H3 + 3 O2 = 6 C02 + 6 H2O
(CH3)2NH + H2O = OH + (CH3)2NH2 =>
(CH3)2NH + H2O = OH + (CH3)2NH2
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