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4 Fe + 3 O2 = 2 Fe2O3
calcium + water = calciumhydroxide + hydrogen =>
Ca + 2 H2O = Ca(OH)2 + H2
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
NaBr + H2SO4 + NaBrO3 = Br2 + NaSO4 + H2O =>
4 NaBr + 6 H2SO4 + 2 NaBrO3 = 3 Br2 + 6 NaSO4 + 6 H2O
NI3 = N2 + I2 =>
2 NI3 = N2 + 3 I2
MN(NO3)2 + NABIO3 + HNO3 = HMNO4 + BI(NO3)3 + NANO3 + H2O =>
2 MN(NO3)2 + 5 NABIO3 + 16 HNO3 = 2 HMNO4 + 5 BI(NO3)3 + 5 NANO3 + 7 H2O
Al + H2So4 = Al2(So4)3 + H2 =>
2 Al + 3 H2So4 = Al2(So4)3 + 3 H2
Al + Cl = AlCl3 =>
Al + 3 Cl = AlCl3
H2S + NH4ZnO2 = (NH4)2S + HZnO2 =>
H2S + 2 NH4ZnO2 = (NH4)2S + 2 HZnO2
BaCO3 = BaOCO2 =>
BaCO3 = BaOCO2
H2So4(aq) + Ba(OH)2(aq) = H2O(l) + BaSo4(s) =>
H2So4(aq) + Ba(OH)2(aq) = 2 H2O(l) + BaSo4(s)
BaCO3 = BaO + CO2 =>
BaCO3 = BaO + CO2
Mg3N2 + H2O = Mg[OH]2 + NH3 =>
Mg3N2 + 6 H2O = 3 Mg[OH]2 + 2 NH3
HBr + K2Cr2O7 = Br2 + CrBr3 + KBr + H2O =>
14 HBr + K2Cr2O7 = 3 Br2 + 2 CrBr3 + 2 KBr + 7 H2O
NH3 + O2 = NO + H2O =>
4 NH3 + 5 O2 = 4 NO + 6 H2O
H20 + SO4 = H2SO4 =>
H20 + 10 SO4 = 10 H2SO4
C6H14 + Br2 = C6H13Br + HBr2 =>
2 C6H14 + 3 Br2 = 2 C6H13Br + 2 HBr2
Al + HCl = AlCl2 + H2 =>
Al + 2 HCl = AlCl2 + H2
Na + KOH = NaOH + K =>
Na + KOH = NaOH + K
Ca3(PO4)2 + H3PO4 = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 H3PO4 = 3 Ca(H2PO4)2
C6H12O6 = CH3CH2OH + CO2 =>
C6H12O6 = 2 CH3CH2OH + 2 CO2
Cl2(g) + P(s) = PCl5(g) =>
5 Cl2(g) + 2 P(s) = 2 PCl5(g)
CH3CH2CH3 + O2 = CO2 + H2O =>
CH3CH2CH3 + 5 O2 = 3 CO2 + 4 H2O
HCl + C6H8O7 = C6H9O7 + Cl =>
HCl + C6H8O7 = C6H9O7 + Cl
C6H12O6 + O2 = H2O + CO2 =>
C6H12O6 + 6 O2 = 6 H2O + 6 CO2
CuO + Cl2 = CuCl2 + O2 =>
2 CuO + 2 Cl2 = 2 CuCl2 + O2
Fe + S8 = FeS2 =>
4 Fe + S8 = 4 FeS2
Al(ClO3)3 = AlCl3 + O2 =>
2 Al(ClO3)3 = 2 AlCl3 + 9 O2
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
H2So4 + LiOH = Li2So4 + H2O =>
H2So4 + 2 LiOH = Li2So4 + 2 H2O
NaI + MnO2 + H2SO4 = I2 + MnSO4 + Na2SO4 + H2O =>
2 NaI + MnO2 + 2 H2SO4 = I2 + MnSO4 + Na2SO4 + 2 H2O
Al(ClO3)3 = AlCl3 + O2 =>
2 Al(ClO3)3 = 2 AlCl3 + 9 O2
CU(NO3)2 + NaOH = CUOH + Na(NO3)2 =>
CU(NO3)2 + NaOH = CUOH + Na(NO3)2
HCl + CaCO3 = CO2 + CaCl2 + H2O =>
2 HCl + CaCO3 = CO2 + CaCl2 + H2O
NO + O2 + H20 = HNO3 =>
20 NO + 20 O2 + H20 = 20 HNO3
NH4H2BO3 + HCL = H3BO3 + NH4CL =>
NH4H2BO3 + HCL = H3BO3 + NH4CL
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
NH4 + NO2 = N2 + H2O =>
NH4 + NO2 = N2 + 2 H2O
Zn(NO3)2 + Na2CO3 = ZnCO3 + NaNO3 =>
Zn(NO3)2 + Na2CO3 = ZnCO3 + 2 NaNO3
Cu + HNO3 = Cu(NO3)2 + H2 =>
Cu + 2 HNO3 = Cu(NO3)2 + H2
C8H18 + O2 = H2O + CO2 =>
2 C8H18 + 25 O2 = 18 H2O + 16 CO2
NaBH4 + H2SO4 = B2H6 + H2 + Na2SO4 =>
2 NaBH4 + H2SO4 = B2H6 + 2 H2 + Na2SO4
silvernitrate + sodiumchloride = silverchloride + sodiumnitrate =>
AgNO3 + NaCl = AgCl + NaNO3
Al(s) + O2(g) = Al2O2(s) =>
2 Al(s) + O2(g) = Al2O2(s)
H2S + O2 = SO2 + H2O =>
2 H2S + 3 O2 = 2 SO2 + 2 H2O
Cu + CH3COOH + O2 = [Cu2(H2O)2(CH3COO)4] =>
2 Cu + 4 CH3COOH + O2 = [Cu2(H2O)2(CH3COO)4]
C4H8 + Br2 = C4H8Br2 =>
C4H8 + Br2 = C4H8Br2
NH3 + H2So4 = (NH4)2So4 =>
2 NH3 + H2So4 = (NH4)2So4
CaCl2 + Na3Po4 = Ca3(Po4)2 + NaCl =>
3 CaCl2 + 2 Na3Po4 = Ca3(Po4)2 + 6 NaCl
F2 + Cl2 = FCl =>
F2 + Cl2 = 2 FCl
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