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Si + 2 H2 = H4Si
S2 + Br2 = SBr3 =>
S2 + 3 Br2 = 2 SBr3
Mn + Cl2 = MnCl7 =>
2 Mn + 7 Cl2 = 2 MnCl7
Na2SO4 + SrBr2 = NaBr + SrSO4 =>
Na2SO4 + SrBr2 = 2 NaBr + SrSO4
Co(NO3)2 + (NH4)2CO3 = CoCO3 + (NH4)(NO3) =>
Co(NO3)2 + (NH4)2CO3 = CoCO3 + 2(NH4)(NO3)
Na(s) + O2(g) = Na2O2(s) =>
2 Na(s) + O2(g) = Na2O2(s)
Sn + Ag{+} = Sn{2+} + Ag =>
Sn + 2 Ag{+} = Sn{2+} + 2 Ag
K2SO3 + Br2 = KBr + KBrO3 + SO2 =>
3 K2SO3 + 3 Br2 = 5 KBr + KBrO3 + 3 SO2
H2SiCl3 + H2O = H10Si10O10 + HCl =>
10 H2SiCl3 + 10 H2O = H10Si10O10 + 30 HCl
FeS + K = Fe + K2S =>
FeS + 2 K = Fe + K2S
Al2O3 + HBr = H2O + AlBr3 =>
Al2O3 + 6 HBr = 3 H2O + 2 AlBr3
C5H5N5 + C5H6N2O2 = C10H11 + N7 + O2 =>
C5H5N5 + C5H6N2O2 = C10H11 + N7 + O2
CH4(s) + O2(g) = CO2 + H2O =>
CH4(s) + 2 O2(g) = CO2 + 2 H2O
AlCl3(aq) + K3PO4(aq) = AlPO4 + KCl =>
AlCl3(aq) + K3PO4(aq) = AlPO4 + 3 KCl
K2CO3 + Co(NO3)2 = CoCO3 + K2(NO3)2 =>
K2CO3 + Co(NO3)2 = CoCO3 + K2(NO3)2
Na2CO3 + FeCl3 = Fe2(CO3)3 + NaCl =>
3 Na2CO3 + 2 FeCl3 = Fe2(CO3)3 + 6 NaCl
K + Br2 = K5Br =>
10 K + Br2 = 2 K5Br
Cr(OH)2 + CO2 = CrCO3 + H2O =>
Cr(OH)2 + CO2 = CrCO3 + H2O
Co + H2SO4 = CoSO4 + H2 =>
Co + H2SO4 = CoSO4 + H2
Cl2(g) + I{-}(aq) = Cl{-}(aq) + I2(l) =>
Cl2(g) + 2 I{-}(aq) = 2 Cl{-}(aq) + I2(l)
KNO3 + NaCl = KCl + (NaNO3)2 =>
2 KNO3 + 2 NaCl = 2 KCl + (NaNO3)2
ZnS + HBr = ZnBr2 + H2S =>
ZnS + 2 HBr = ZnBr2 + H2S
HCl(aq) + KMnO4(aq) = KCl(aq) + H2O(l) + MnCl2(aq) + Cl2(aq) =>
16 HCl(aq) + 2 KMnO4(aq) = 2 KCl(aq) + 8 H2O(l) + 2 MnCl2(aq) + 5 Cl2(aq)
C7H16 + O2 = H2O + CO2 =>
C7H16 + 11 O2 = 8 H2O + 7 CO2
Cr2S3 + Mn(NO3)2 + Na2CO3 + H2O = NO + CO2 + Na2CrO4 + H2MnO4 + Na2SO4 =>
Cr2S3 + 15 Mn(NO3)2 + 5 Na2CO3 + 15 H2O = 30 NO + 5 CO2 + 2 Na2CrO4 + 15 H2MnO4 + 3 Na2SO4
Ni + H2S = Ni2S + H2 =>
2 Ni + H2S = Ni2S + H2
Mn(OH)2 + O2 = MnO(OH) + H2O =>
4 Mn(OH)2 + O2 = 4 MnO(OH) + 2 H2O
Cl2 + CH4 = CCl4 + ClH =>
4 Cl2 + CH4 = CCl4 + 4 ClH
Na2S2O3 + I2 = NaS + OI =>
2 Na2S2O3 + 3 I2 = 4 NaS + 6 OI
CH3CH2CH2COOH + NaCO3 = CH3CH2CH2CH2Na + CO2 + H2O =>
27 CH3CH2CH2COOH + 20 NaCO3 = 20 CH3CH2CH2CH2Na + 48 CO2 + 18 H2O
As + Na2O + H2O = NaAsO3 + H2 =>
2 As + Na2O + 5 H2O = 2 NaAsO3 + 5 H2
CsO2 = Cs2O2 + O2 =>
2 CsO2 = Cs2O2 + O2
Al + CrCl2 = AlCr + Cl =>
Al + CrCl2 = AlCr + 2 Cl
FeS + K = Fe + K2S =>
FeS + 2 K = Fe + K2S
CrCl2 + S + HCl = CrCl3 + H2S =>
2 CrCl2 + S + 2 HCl = 2 CrCl3 + H2S
Al2(CO3)3 + CH3COOH = Al(CH3COO)3 + H2CO3 =>
Al2(CO3)3 + 6 CH3COOH = 2 Al(CH3COO)3 + 3 H2CO3
Al + Pb(SO4) = Pb + Al(SO4) =>
Al + Pb(SO4) = Pb + Al(SO4)
Na + AlCl3 = Al + NaCl3 =>
Na + AlCl3 = Al + NaCl3
NaO2 + H2O = Na(OH)2 + O2 =>
2 NaO2 + 2 H2O = 2 Na(OH)2 + O2
AgF + HNO3 = AgFNO3 + H =>
AgF + HNO3 = AgFNO3 + H
K2SO3 + Br2 = KBr + KBrO3 + SO2 =>
3 K2SO3 + 3 Br2 = 5 KBr + KBrO3 + 3 SO2
LiNO3 + NaPO4 = LiPO4 + NaNO3 =>
LiNO3 + NaPO4 = LiPO4 + NaNO3
PCl5 + NH4Cl = NPCl2 + HCl =>
PCl5 + NH4Cl = NPCl2 + 4 HCl
KMnO4 + NaOH = Na3MnO4 + O2 + KOH + H2O =>
2 KMnO4 + 6 NaOH = 2 Na3MnO4 + O2 + 2 KOH + 2 H2O
KAl(SO4)2 + Ba(NO3)2 = KAl + NO3 + BaSO4 =>
KAl(SO4)2 + 2 Ba(NO3)2 = KAl + 4 NO3 + 2 BaSO4
Fe + Ca(OH)2 = Fe(OH)2 + Ca =>
Fe + Ca(OH)2 = Fe(OH)2 + Ca
P2S2 + O2 = P4O10 + S =>
2 P2S2 + 5 O2 = P4O10 + 4 S
C8H5KO4 + NaOH = KNaC8H4O4 + H2O =>
C8H5KO4 + NaOH = KNaC8H4O4 + H2O
NaClO4 + HCl + KBr = Br2 + NaCl + H2O + KClO3 =>
7 NaClO4 + 8 HCl + 8 KBr = 4 Br2 + 7 NaCl + 4 H2O + 8 KClO3
Mg + N2 + O2 = Mg(NO2)2 =>
Mg + N2 + 2 O2 = Mg(NO2)2
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