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2 K + S = K2S
Na + H2O = NaOH + H2 =>
2 Na + 2 H2O = 2 NaOH + H2
KNO3 + NAOH = KOH + NANO3 =>
KNO3 + NAOH = KOH + NANO3
FeO + H2O = Fe2O3 + H2 =>
2 FeO + H2O = Fe2O3 + H2
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
Sr(OH)2*8H2O + NH4Cl = SrCl2 + NH3 + H2O =>
Sr(OH)2*8H2O + 2 NH4Cl = SrCl2 + 2 NH3 + 10 H2O
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
Zn + O2 = ZnO =>
2 Zn + O2 = 2 ZnO
HE + O2 = HEO =>
2 HE + O2 = 2 HEO
Al2(SO4)3 + NaOH = Al(OH)3 + Na2SO4 =>
Al2(SO4)3 + 6 NaOH = 2 Al(OH)3 + 3 Na2SO4
Ca + N2 = Ca3N2 =>
3 Ca + N2 = Ca3N2
Cu + HNO3 = Cu(NO3)2 + NO2 + H2O =>
Cu + 4 HNO3 = Cu(NO3)2 + 2 NO2 + 2 H2O
Zn + FeCl3 = ZnCl2 + Fe =>
3 Zn + 2 FeCl3 = 3 ZnCl2 + 2 Fe
Cl + K = KCl =>
Cl + K = KCl
Ca(NO3)2 + NaOH = Ca(OH)2 + NaNO3 =>
Ca(NO3)2 + 2 NaOH = Ca(OH)2 + 2 NaNO3
MnBr2(aq) + AgNO3(aq) = Mn(NO3)2(aq) + AgBr(s) =>
MnBr2(aq) + 2 AgNO3(aq) = Mn(NO3)2(aq) + 2 AgBr(s)
MgCO3(s) + HCl(aq) = MgCl2(aq) + H2O(l) + CO2(g) =>
MgCO3(s) + 2 HCl(aq) = MgCl2(aq) + H2O(l) + CO2(g)
P + S = P2S5 =>
2 P + 5 S = P2S5
Ca3(PO4)2 + H2SO4 = CaSO4 + H3PO4 =>
Ca3(PO4)2 + 3 H2SO4 = 3 CaSO4 + 2 H3PO4
Pb + O2 = PbO =>
2 Pb + O2 = 2 PbO
C4H8O + O2 = CO2 + H2O =>
2 C4H8O + 11 O2 = 8 CO2 + 8 H2O
HgO = Hg + O2 =>
2 HgO = 2 Hg + O2
H2C2O4 + CH3CH(OH)CH3 = HC2O4(CH3)2CH + H2O =>
H2C2O4 + CH3CH(OH)CH3 = HC2O4(CH3)2CH + H2O
MNO2 + KCLO3 + KOH = KMNO4 + KCL + H2O =>
2 MNO2 + KCLO3 + 2 KOH = 2 KMNO4 + KCL + H2O
Sb2S3 + HCl = SbCl3 + H2S =>
Sb2S3 + 6 HCl = 2 SbCl3 + 3 H2S
CH3COOH + C5H11OH = CH3COOC2H5 + H3O =>
13 CH3COOH + 6 C5H11OH = 14 CH3COOC2H5 + 4 H3O
AlK(SO4)2*12H2O + CaCl2 = CaSO4*2H2O + AlCl3 + KCl + H2O =>
AlK(SO4)2*12H2O + 2 CaCl2 = 2 CaSO4*2H2O + AlCl3 + KCl + 8 H2O
Al + Ci2 = AlCi3 =>
2 Al + 3 Ci2 = 2 AlCi3
C6H10 + O2 = CO2 + H2O =>
2 C6H10 + 17 O2 = 12 CO2 + 10 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
HNO3 + NAOH = NANO3 + H2O =>
HNO3 + NAOH = NANO3 + H2O
I2 + HNO3 = HIO3 + NO2 + H2O =>
I2 + 10 HNO3 = 2 HIO3 + 10 NO2 + 4 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
H3PO4 + Al(OH)3 = AlPO4 + H2O =>
H3PO4 + Al(OH)3 = AlPO4 + 3 H2O
C6H5Cl + H2O = C6H5OH + HCl =>
C6H5Cl + H2O = C6H5OH + HCl
P2 + I2 = PI3 =>
P2 + 3 I2 = 2 PI3
CH3(CH2)2CH3 + O2 = CO2 + H2O =>
2 CH3(CH2)2CH3 + 13 O2 = 8 CO2 + 10 H2O
HCl + H2O = H3O + Cl =>
HCl + H2O = H3O + Cl
FeBr2 + Ba(OH)2 = Fe(OH)2 + BaBr2 =>
FeBr2 + Ba(OH)2 = Fe(OH)2 + BaBr2
NH3 + H2SO4 = (NH4)2SO4 =>
2 NH3 + H2SO4 = (NH4)2SO4
C7H8 + O2 = CO2 + H2O =>
C7H8 + 9 O2 = 7 CO2 + 4 H2O
Al2O3 + H2 = Al + H2O =>
Al2O3 + 3 H2 = 2 Al + 3 H2O
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
BaCO3 = CO2 + BaO =>
BaCO3 = CO2 + BaO
KHCO3 + H + Cl = KCl + H2O + CO2 =>
KHCO3 + H + Cl = KCl + H2O + CO2
Cr(OH)4{-} + Na2O2 = CrO4{-2} + Na{+} + OH{-} + H2O =>
2 Cr(OH)4{-} + 3 Na2O2 = 2 CrO4{-2} + 6 Na{+} + 4 OH{-} + 2 H2O
Cu2CO3(OH)2 = CuO + H2O + CO2 =>
Cu2CO3(OH)2 = 2 CuO + H2O + CO2
C2H2 + O2 = CO2 + H2O =>
2 C2H2 + 5 O2 = 4 CO2 + 2 H2O
CaC2 + H2O = Ca(OH)2 + C2H2 =>
CaC2 + 2 H2O = Ca(OH)2 + C2H2
BaSo4 + NaOH = BaOH + NaSo4 =>
BaSo4 + NaOH = BaOH + NaSo4
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