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{-}x = {-}4x
CH3C(CH3)C(CH3)CH3 + KMnO4 + H2O = (CH3)2C(OH)C(OH)(CH3)2 + MnO2 + KOH =>
3 CH3C(CH3)C(CH3)CH3 + 2 KMnO4 + 4 H2O = 3(CH3)2C(OH)C(OH)(CH3)2 + 2 MnO2 + 2 KOH
CaCO3 + C2H2O4 = CaC2O4 + H2O + CO2 =>
CaCO3 + C2H2O4 = CaC2O4 + H2O + CO2
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
Cr2O3 + NaOH + O = Na2CrO4 + H2O =>
Cr2O3 + 4 NaOH + 3 O = 2 Na2CrO4 + 2 H2O
Fe(OH)3 + NH3 = Fe + NO3 + H2O =>
3 Fe(OH)3 + NH3 = 3 Fe + NO3 + 6 H2O
C6H5CH3 + Br2 = HBr + C6H4CH3Br =>
C6H5CH3 + Br2 = HBr + C6H4CH3Br
H2SO4 + Zn(OH)2 = ZnSO4 + H2O =>
H2SO4 + Zn(OH)2 = ZnSO4 + 2 H2O
NaCo3KOH = NaOHKCo3 =>
NaCo3KOH = NaOHKCo3
NH4Cl + CO2 = NH4ClO + CO =>
NH4Cl + CO2 = NH4ClO + CO
C3H5NO3 = N + H2O + O + C =>
2 C3H5NO3 = 2 N + 5 H2O + O + 6 C
Ba + HNO3 = Ba(NO3)2 + NO + H2O =>
3 Ba + 8 HNO3 = 3 Ba(NO3)2 + 2 NO + 4 H2O
KMnO4 + CrI2 + KOH = K2MnO4 + Cr(IO3)3 + Cr2(MnO4)3 + H2O =>
78 KMnO4 + 6 CrI2 + 72 KOH = 75 K2MnO4 + 4 Cr(IO3)3 + Cr2(MnO4)3 + 36 H2O
Cr2O7 + NaOH = CrO + H2O + NaO =>
Cr2O7 + 10 NaOH = 2 CrO + 5 H2O + 10 NaO
CrO4{-2} + H{+} = Cr2O7{-2} + H2O =>
2 CrO4{-2} + 2 H{+} = Cr2O7{-2} + H2O
NaClO2 + C6H8O6 = ClO2 + C6H7NaO6 + NaCl + H2O =>
5 NaClO2 + 4 C6H8O6 = 4 ClO2 + 4 C6H7NaO6 + NaCl + 2 H2O
Zn + HNO3 = H2O + NH4NO3 + Zn(NO3)2 =>
4 Zn + 10 HNO3 = 3 H2O + NH4NO3 + 4 Zn(NO3)2
NaSH2O = NaOHHS =>
NaSH2O = NaOHHS
Pb(C3H2O2) = PbO + C + H2O =>
Pb(C3H2O2) = PbO + 3 C + H2O
BeI2 + SrSO4 = BeSO4 + I2Sr =>
BeI2 + SrSO4 = BeSO4 + I2Sr
Fe(NO3)3 + Ag2S = Fe2S3 + AgNO3 =>
2 Fe(NO3)3 + 3 Ag2S = Fe2S3 + 6 AgNO3
Pb + H4SiO4 = Pb4(SiO4)2 + H4 =>
4 Pb + 2 H4SiO4 = Pb4(SiO4)2 + 2 H4
CaSO4(s) + C(s) = CO(g) + SO2(g) + CaO(s) =>
CaSO4(s) + C(s) = CO(g) + SO2(g) + CaO(s)
KI(l) + NaOH(l) = KOH(l) + NaI(l) =>
KI(l) + NaOH(l) = KOH(l) + NaI(l)
FePO4 + H3PO4 = Fe(H2PO4)3 =>
FePO4 + 2 H3PO4 = Fe(H2PO4)3
Be + KOH = BeK2O + H2O =>
Be + 2 KOH = BeK2O + H2O
Mg(s) + Cd(No3)2 = MgNo3 + Cd =>
2 Mg(s) + Cd(No3)2 = 2 MgNo3 + Cd
Ba(OH)2 + Al(OH)3 = Ba3(AlO3)2 + H2O =>
3 Ba(OH)2 + 2 Al(OH)3 = Ba3(AlO3)2 + 6 H2O
Ce(SO4)2 + H2SO4 + KI = Ce2(SO4)3 + I2 + KHSO4 =>
2 Ce(SO4)2 + H2SO4 + 2 KI = Ce2(SO4)3 + I2 + 2 KHSO4
C + OH = C2OH =>
2 C + OH = C2OH
C5H7NO2 + O2 = CO2 + H2O + NO3{-} + H{+} =>
C5H7NO2 + 7 O2 = 5 CO2 + 3 H2O + NO3{-} + H{+}
CH3OH + Cr2O7{-}2 + H{+} = CH2O + Cr3{+} + H2O =>
37 CH3OH + 6 Cr2O7{-}2 + 10 H{+} = 37 CH2O + 4 Cr3{+} + 42 H2O
CuCl2 + (NH4)2C2O4 = CuC2O4 + NH4Cl =>
CuCl2 + (NH4)2C2O4 = CuC2O4 + 2 NH4Cl
Ba(NO3)2 + Na3(PO4) = Ba3(PO4)2 + NaNO3 =>
3 Ba(NO3)2 + 2 Na3(PO4) = Ba3(PO4)2 + 6 NaNO3
Na2Cr2O7 + HCl + H2S = NaCl + CrCl + S + H2O =>
Na2Cr2O7 + 4 HCl + 5 H2S = 2 NaCl + 2 CrCl + 5 S + 7 H2O
Ba(NO3)2 + Na3(PO4) = Ba3(PO4)2 + NaNO3 =>
3 Ba(NO3)2 + 2 Na3(PO4) = Ba3(PO4)2 + 6 NaNO3
Fe(OH)2NO3 + CuOH = Fe(OH)3 + CuNO3 =>
Fe(OH)2NO3 + CuOH = Fe(OH)3 + CuNO3
HI + SO2 = I2 + H2S + H2O =>
6 HI + SO2 = 3 I2 + H2S + 2 H2O
H2S + H2SO4 = SO2 + H2O =>
H2S + 3 H2SO4 = 4 SO2 + 4 H2O
ZnI2 + Na3PO4 = Zn3(PO4)2 + NaI =>
3 ZnI2 + 2 Na3PO4 = Zn3(PO4)2 + 6 NaI
CH3COOH + CuHCO3 = Cu(CH3COO)2 + H2O + CO2 =>
15 CH3COOH + 8 CuHCO3 = 8 Cu(CH3COO)2 + 10 H2O + 6 CO2
ZnS + AlP = Zn3P2 + Al2S3 =>
3 ZnS + 2 AlP = Zn3P2 + Al2S3
KMnO4 + H2SO4 + NO2 = K2SO4 + MnSO4 + NO3 + H2O =>
2 KMnO4 + 3 H2SO4 + 5 NO2 = K2SO4 + 2 MnSO4 + 5 NO3 + 3 H2O
K2SO4*BaCl2 = KCl + BaSO4 =>
K2SO4*BaCl2 = 2 KCl + BaSO4
CU(OH)2 = CUOH2O =>
CU(OH)2 = CUOH2O
K3PO4 + FeCl2 = FePO4 + K3Cl2 =>
K3PO4 + FeCl2 = FePO4 + K3Cl2
P4O8 = P2O4 =>
P4O8 = 2 P2O4
Ca(No3)2 + HCl = HNo3 + CaCl2 =>
Ca(No3)2 + 2 HCl = 2 HNo3 + CaCl2
Pb(C2H3O2)2*3H2O + Pb3O4 = Pb(C2H3O2)4 + PbO + H2O =>
2 Pb(C2H3O2)2*3H2O + Pb3O4 = Pb(C2H3O2)4 + 4 PbO + 6 H2O
Ba(s) + H2O = Ba(OH)2(aq) + H2(g) =>
Ba(s) + 2 H2O = Ba(OH)2(aq) + H2(g)
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