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CaCO3 = CaO + CO2
Co2(CO3)3 + NH4NO3 = Co(NO3)3 + (NH4)2 + CO3 =>
Co2(CO3)3 + 6 NH4NO3 = 2 Co(NO3)3 + 3(NH4)2 + 3 CO3
Ca(OH)2(aq) + H3PO4(aq) = H2O(l) + Ca3(PO4)2(s) =>
3 Ca(OH)2(aq) + 2 H3PO4(aq) = 6 H2O(l) + Ca3(PO4)2(s)
CS2 + O = CO2 + SO2 =>
CS2 + 6 O = CO2 + 2 SO2
K + HCl = KCl + H2 =>
2 K + 2 HCl = 2 KCl + H2
NA + HCl = H2 + NACl =>
2 NA + 2 HCl = H2 + 2 NACl
Sn + HNO3 = Sn(NO3)2 + N2O + H2O =>
4 Sn + 10 HNO3 = 4 Sn(NO3)2 + N2O + 5 H2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Fe2O3 + Al = Fe + Al2O3 =>
Fe2O3 + 2 Al = 2 Fe + Al2O3
Al + S = Al2S3 =>
2 Al + 3 S = Al2S3
CaC2 + O2 = CaO + CO2 =>
2 CaC2 + 5 O2 = 2 CaO + 4 CO2
Cu{2+} + HS{-} + H2O = Cu2S + SO4{2-} + H{+} =>
8 Cu{2+} + 5 HS{-} + 4 H2O = 4 Cu2S + SO4{2-} + 13 H{+}
CH4 + O2 = H2O + CO2 =>
CH4 + 2 O2 = 2 H2O + CO2
KIO3 + H2SO3 = KHSO3 + H2SO4 + I2 + H2O =>
2 KIO3 + 7 H2SO3 = 2 KHSO3 + 5 H2SO4 + I2 + H2O
Na + KNO3 = K2O + Na2O + N2 =>
10 Na + 2 KNO3 = K2O + 5 Na2O + N2
N2 + O2 = NO =>
N2 + O2 = 2 NO
Fe + HCl = FeCl2 + H2 =>
Fe + 2 HCl = FeCl2 + H2
Fe + SCN = Fe(SCN)3 =>
Fe + 3 SCN = Fe(SCN)3
NH4NO3 + KOH = KNO3 + H2O + NH =>
3 NH4NO3 + 2 KOH = 2 KNO3 + 5 H2O + 4 NH
Fe + O = Fe2O3 =>
2 Fe + 3 O = Fe2O3
Al(OH)3(s) + HCl(aq) = AlCl3(aq) + H2O(l) =>
Al(OH)3(s) + 3 HCl(aq) = AlCl3(aq) + 3 H2O(l)
NaNO3 = NaNO2 + O2 =>
2 NaNO3 = 2 NaNO2 + O2
Cu(NO3)2 + HI = CuI2 + HNO3 =>
Cu(NO3)2 + 2 HI = CuI2 + 2 HNO3
Na + MgCl2 = NaCl2 + Mg =>
Na + MgCl2 = NaCl2 + Mg
Ca + HNO3 = Ca(NO3)2 + N2O + H2O =>
4 Ca + 10 HNO3 = 4 Ca(NO3)2 + N2O + 5 H2O
S + O2 = SO2 =>
S + O2 = SO2
K + Cl2 = KCl =>
2 K + Cl2 = 2 KCl
K2Cr2O7 + HCl + H2So4 = Cr2(So4)3 + K2So4 + Cl2 + H2O =>
K2Cr2O7 + 6 HCl + 4 H2So4 = Cr2(So4)3 + K2So4 + 3 Cl2 + 7 H2O
Fe + Ca(OH)2 = Fe(OH)2 + Ca =>
Fe + Ca(OH)2 = Fe(OH)2 + Ca
HCl + H2O = H3O + Cl =>
HCl + H2O = H3O + Cl
Al2 + O3 = Al2O3 =>
Al2 + O3 = Al2O3
AG + I2 = AGI =>
2 AG + I2 = 2 AGI
H2 + Cl2 = HCl =>
H2 + Cl2 = 2 HCl
PbS + O2 = PbO + SO2 =>
2 PbS + 3 O2 = 2 PbO + 2 SO2
KMNO4 + HCl = KCl + MNCl2 + H2O + Cl2 =>
2 KMNO4 + 16 HCl = 2 KCl + 2 MNCl2 + 8 H2O + 5 Cl2
CH3COOH + HOC2H5 = H2O + CH3COOC2H5 =>
CH3COOH + HOC2H5 = H2O + CH3COOC2H5
Ba(OH)2 + Na3PO4 = Ba3(PO4)2 + NaOH =>
3 Ba(OH)2 + 2 Na3PO4 = Ba3(PO4)2 + 6 NaOH
HCl + Zn = ZnCl + H2 =>
2 HCl + 2 Zn = 2 ZnCl + H2
Ca(OH)2 + HNO3 = Ca(NO3)2 + H2O =>
Ca(OH)2 + 2 HNO3 = Ca(NO3)2 + 2 H2O
NaOH + H2So4 = Na2So4 + H2O =>
2 NaOH + H2So4 = Na2So4 + 2 H2O
AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + HNO3(aq) =>
2 AgNO3(aq) + H2SO4(aq) = Ag2SO4(s) + 2 HNO3(aq)
CH3COOH + HOC2H5 = H2O + CH3COOC2H5 =>
CH3COOH + HOC2H5 = H2O + CH3COOC2H5
P + S = PS =>
P + S = PS
Br2 + CH2Cl2 = HBr + CCl2Br2 =>
2 Br2 + CH2Cl2 = 2 HBr + CCl2Br2
Na3PO4 + KOH = NaOH + K3PO4 =>
Na3PO4 + 3 KOH = 3 NaOH + K3PO4
Ga(OH)3 + Ba(OH)2 = Ba3([Ga(OH)6])2 =>
2 Ga(OH)3 + 3 Ba(OH)2 = Ba3([Ga(OH)6])2
P + S = PS =>
P + S = PS
Al2O3 + Fe = Fe3O4 + Al =>
4 Al2O3 + 9 Fe = 3 Fe3O4 + 8 Al
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
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