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K2Cr2O7 + 3 SnCl2 + 20 HCl = 2 CrCl3 + 7 H2O + 2 KCl + 3 H2(SnCl6)
KO2 + CO2 = K2CO3 + O2(g) =>
4 KO2 + 2 CO2 = 2 K2CO3 + 3 O2(g)
HgCO3 = Hg + CO + O2 =>
HgCO3 = Hg + CO + O2
Fe{5+} + I{2-} = Fe{3+} + I2 =>
2 Fe{5+} + 2 I{2-} = 2 Fe{3+} + I2
K2CO3 + FeSO4 = K2FeSO4 + CO3 =>
K2CO3 + FeSO4 = K2FeSO4 + CO3
B3 + O2 = BO =>
2 B3 + 3 O2 = 6 BO
Cr + NaOH(aq) + H2O(l) = Na[Cr(OH)4](aq) + H2(g) =>
2 Cr + 2 NaOH(aq) + 6 H2O(l) = 2 Na[Cr(OH)4](aq) + 3 H2(g)
Al + Au(SO4) = Al2(SO4)3 + Au =>
2 Al + 3 Au(SO4) = Al2(SO4)3 + 3 Au
K2CrO4 + NaNO2 + KOH + H2O = K3[Cr(OH)6] + NaNO3 =>
2 K2CrO4 + 3 NaNO2 + 2 KOH + 5 H2O = 2 K3[Cr(OH)6] + 3 NaNO3
Ca + HNO2 = CaHNO2 =>
Ca + HNO2 = CaHNO2
K4[Fe(CN)6] + H2SO4 + H2O2 = K2SO4 + K3[Fe(CN)6] + H2O =>
2 K4[Fe(CN)6] + H2SO4 + H2O2 = K2SO4 + 2 K3[Fe(CN)6] + 2 H2O
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
O2 + HCl + FeCl = FeCl3 + H2O =>
O2 + 4 HCl + 2 FeCl = 2 FeCl3 + 2 H2O
CH3COOH + CH3(CH2)2CH2OH = CH3COOCH2(CH2)2CH3 + H2O =>
CH3COOH + CH3(CH2)2CH2OH = CH3COOCH2(CH2)2CH3 + H2O
CH8H18 + O2 = CO2 + H2O =>
2 CH8H18 + 15 O2 = 2 CO2 + 26 H2O
FeCl3 + H2SO4 + KBr = FeCl2 + K2SO4 + HCl + Br2 =>
2 FeCl3 + H2SO4 + 2 KBr = 2 FeCl2 + K2SO4 + 2 HCl + Br2
LiCl(aq) + Pb(C2H3O2)2(aq) = LiC2H3O2 + PbCl2 =>
2 LiCl(aq) + Pb(C2H3O2)2(aq) = 2 LiC2H3O2 + PbCl2
C3H8 + O2 = CO + CH4 =>
2 C3H8 + O2 = 2 CO + 4 CH4
Cr(OH)3 + NaOH = Na + [Cr(OH)6] =>
Cr(OH)3 + 3 NaOH = 3 Na + [Cr(OH)6]
Cr(OH)2 + KOH = Cr(OH)3 + K =>
Cr(OH)2 + KOH = Cr(OH)3 + K
CoSO4 + Na2S2O8 + H2O = Na2SO4 + Co(OH)3 + H2SO4 =>
2 CoSO4 + Na2S2O8 + 6 H2O = Na2SO4 + 2 Co(OH)3 + 3 H2SO4
Ni(OH)2 + NaOH = Na2(Ni(OH)4) =>
Ni(OH)2 + 2 NaOH = Na2(Ni(OH)4)
Al(s) + HCl = AlCl3(aq) + H2(l) =>
2 Al(s) + 6 HCl = 2 AlCl3(aq) + 3 H2(l)
NaOH(aq) + FeCl3(aq) = NaCl(s) + Fe(OH)3(s) =>
3 NaOH(aq) + FeCl3(aq) = 3 NaCl(s) + Fe(OH)3(s)
OH{-} + I2 + ClO3{-} = IO3{-} + Cl{-} + H{+} =>
3 OH{-} + 3 I2 + 5 ClO3{-} = 6 IO3{-} + 5 Cl{-} + 3 H{+}
C3H8 + O2 = CO2 + H2O =>
C3H8 + 5 O2 = 3 CO2 + 4 H2O
NH4NO3(s) = NH4(s) + NO3(s) =>
NH4NO3(s) = NH4(s) + NO3(s)
Mg(NO3)2(aq) + H2SO4 = MgSO4 + HNO3 =>
Mg(NO3)2(aq) + H2SO4 = MgSO4 + 2 HNO3
HNO3 + Fe(OH)3 = HNO3(OH) + Fe =>
3 HNO3 + Fe(OH)3 = 3 HNO3(OH) + Fe
CuO + Na2S = Cu + Na + SO2 =>
2 CuO + Na2S = 2 Cu + 2 Na + SO2
Ta3N5 = Ta + N2 =>
2 Ta3N5 = 6 Ta + 5 N2
P + H2O2 + KOH = K3PO4 + H2O =>
2 P + 5 H2O2 + 6 KOH = 2 K3PO4 + 8 H2O
Al + MgSO4 = Al(SO4)2 + Mg =>
Al + 2 MgSO4 = Al(SO4)2 + 2 Mg
NaCl + H2O = Na2O + H4 + Cl =>
4 NaCl + 2 H2O = 2 Na2O + H4 + 4 Cl
S3O = S8 + O2 =>
8 S3O = 3 S8 + 4 O2
CrO3 + Al2O3 = Al2CrO6 =>
CrO3 + Al2O3 = Al2CrO6
NT3 = N + T3 =>
NT3 = N + T3
K2S + KMnO4 + KOH = K2SO4 + K2MnO4 + H2O =>
K2S + 8 KMnO4 + 8 KOH = K2SO4 + 8 K2MnO4 + 4 H2O
HCl + Zn = ZnCl2 + H2 =>
2 HCl + Zn = ZnCl2 + H2
CaOH2 = Ca + O + H =>
CaOH2 = Ca + O + 2 H
H2O + MnO4{-} + e = OH{-} + MnO2 =>
2 H2O + MnO4{-} + 3e = 4 OH{-} + MnO2
HCHO + KMnO4 + H2SO4 = H2CO2 + H2O + MnSO4 + K2SO4 =>
5 HCHO + 2 KMnO4 + 3 H2SO4 = 5 H2CO2 + 3 H2O + 2 MnSO4 + K2SO4
Hg + NaOH = Hg(OH) + Na =>
Hg + NaOH = Hg(OH) + Na
Hg(NO3)2 + Cs2S = HgS + CsNO3 =>
Hg(NO3)2 + Cs2S = HgS + 2 CsNO3
Pb3O4 + KOH + H2O = K2[Pb(OH)4] + K2[Pb(OH)6] =>
Pb3O4 + 6 KOH + 4 H2O = 2 K2[Pb(OH)4] + K2[Pb(OH)6]
CaO + AnswerP2O5 = AnswerCa3(PO4)2 =>
3 CaO + AnswerP2O5 = AnswerCa3(PO4)2
FeS + HI = FeH + SI =>
FeS + HI = FeH + SI
C8H10 + H2O2 = CO2 + H2O =>
C8H10 + 21 H2O2 = 8 CO2 + 26 H2O
AgCl(s) + NaNO3(aq) = AgNO3(aq) + NaCl(aq) =>
AgCl(s) + NaNO3(aq) = AgNO3(aq) + NaCl(aq)
PBr5 + NaOH = Na2HPO4 + NaBr + H2O =>
PBr5 + 7 NaOH = Na2HPO4 + 5 NaBr + 3 H2O
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