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K + I = KI
Cu2O + HNO3 = NO + Cu(NO3)2 + H2O =>
3 Cu2O + 14 HNO3 = 2 NO + 6 Cu(NO3)2 + 7 H2O
Cd(OH)2 + HCl = Cl2Cd + H2O =>
Cd(OH)2 + 2 HCl = Cl2Cd + 2 H2O
K(s) + H2O(l) = KOH(aq) + H2(g) =>
2 K(s) + 2 H2O(l) = 2 KOH(aq) + H2(g)
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
FeCl3 + KL = FeCl2 + L2 + KCl =>
2 FeCl3 + 2 KL = 2 FeCl2 + L2 + 2 KCl
CH4 = C2H2 + H2 =>
2 CH4 = C2H2 + 3 H2
C6H8O7 = H + C6H6O7 =>
C6H8O7 = 2 H + C6H6O7
K + I2 = KI =>
2 K + I2 = 2 KI
MnO2 + HCl = Cl2 + MnCl2 + H2O =>
MnO2 + 4 HCl = Cl2 + MnCl2 + 2 H2O
C6H12O6 + Cu(OH)2 = Cu2O + C6H12O7 + H2O =>
C6H12O6 + 2 Cu(OH)2 = Cu2O + C6H12O7 + 2 H2O
KMgO4 = K2MgO4 + MgO2 + O2 =>
2 KMgO4 = K2MgO4 + MgO2 + O2
CL2 + CRBR3 = BR2 + CRCL3 =>
3 CL2 + CRBR3 = BR2 + 2 CRCL3
C2H6O(l) + O2(g) = CO2(g) + H2O(l) =>
C2H6O(l) + 3 O2(g) = 2 CO2(g) + 3 H2O(l)
Li + O2 = Li2O =>
4 Li + O2 = 2 Li2O
Cr2(So4)3 + KOH = Cr(OH)3 + K2So4 =>
Cr2(So4)3 + 6 KOH = 2 Cr(OH)3 + 3 K2So4
HNO3 + NaOH = NaNO3 + H2O =>
HNO3 + NaOH = NaNO3 + H2O
Z + HCl = ZCl + H =>
Z + HCl = ZCl + H
Mg + Cl2 = MgCl2 =>
Mg + Cl2 = MgCl2
Al(s) + O2(g) = Al2O3(s) =>
4 Al(s) + 3 O2(g) = 2 Al2O3(s)
Zn + HCl = ZnCl2 + H2 =>
Zn + 2 HCl = ZnCl2 + H2
HNO3 + Cu = Cu(NO3)2 + NO2 + H2O =>
4 HNO3 + Cu = Cu(NO3)2 + 2 NO2 + 2 H2O
Cl2(aq) + KBr(aq) = KCl(aq) + Br2(aq) =>
Cl2(aq) + 2 KBr(aq) = 2 KCl(aq) + Br2(aq)
CoO + O2 = Co2O3 =>
4 CoO + O2 = 2 Co2O3
CH3CH2CH2COH + K2Cr2O7 + H2SO4 = Cr2(SO4)3 + K2SO2 + CH3CH2CH2COOH + H2O =>
5 CH3CH2CH2COH + K2Cr2O7 + 4 H2SO4 = Cr2(SO4)3 + K2SO2 + 5 CH3CH2CH2COOH + 4 H2O
NaCl + H2SO4 = Na2SO4 + HCl =>
2 NaCl + H2SO4 = Na2SO4 + 2 HCl
C2H2 = C6H6 =>
3 C2H2 = C6H6
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l) =>
CH3COOH(aq) + NaOH(aq) = CH3COONa(aq) + H2O(l)
Na + O2 = Na2O =>
4 Na + O2 = 2 Na2O
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
Fe2S3 + HCl = FeCl2 + H2S + S =>
Fe2S3 + 4 HCl = 2 FeCl2 + 2 H2S + S
C + Al2O3 = Al2C3 + CO =>
6 C + Al2O3 = Al2C3 + 3 CO
CO2 + H2 = CH4 + H2O =>
CO2 + 4 H2 = CH4 + 2 H2O
KMnO4 + H2SO4 = K2SO4 + MnSO4 + O2 + H2O =>
4 KMnO4 + 6 H2SO4 = 2 K2SO4 + 4 MnSO4 + 5 O2 + 6 H2O
CH3COOCH2CH3 + O2 = CO2 + H2O =>
CH3COOCH2CH3 + 5 O2 = 4 CO2 + 4 H2O
K + I2 = KI =>
2 K + I2 = 2 KI
FeS + HNO3 = Fe(NO3)3 + NO + S + H2O =>
FeS + 4 HNO3 = Fe(NO3)3 + NO + S + 2 H2O
CuSo4 + Fe = Cu + FeSo4 =>
CuSo4 + Fe = Cu + FeSo4
HCOOH + NaOH = HCOONa + H2O =>
HCOOH + NaOH = HCOONa + H2O
CO2 + Ca(OH)2 = Ca(HCO3)2 =>
2 CO2 + Ca(OH)2 = Ca(HCO3)2
H2 + F2 = HF =>
H2 + F2 = 2 HF
Fe5Si3 + SiC = FeSi + C =>
Fe5Si3 + 2 SiC = 5 FeSi + 2 C
CO2 + H2O = C6H12O6 + O2 =>
6 CO2 + 6 H2O = C6H12O6 + 6 O2
Fe(No3)3 + Ba(OH)2 = Fe(OH)3 + Ba(No3)2 =>
2 Fe(No3)3 + 3 Ba(OH)2 = 2 Fe(OH)3 + 3 Ba(No3)2
HNO2 + HJ = NO + J2 + H2O =>
2 HNO2 + 2 HJ = 2 NO + J2 + 2 H2O
Li + Cl2 = LiCl =>
2 Li + Cl2 = 2 LiCl
K2Cr2O7 + H2S + HCl = S + H2O + CrCl3 + KCl =>
K2Cr2O7 + 3 H2S + 8 HCl = 3 S + 7 H2O + 2 CrCl3 + 2 KCl
Pb2 + So4 = PbSo4 =>
Pb2 + 2 So4 = 2 PbSo4
NaHCO3 + H2So4 = Na2So4 + H2O + CO2 =>
2 NaHCO3 + H2So4 = Na2So4 + 2 H2O + 2 CO2
PCl5 + H2O = H3PO4 + HCl =>
PCl5 + 4 H2O = H3PO4 + 5 HCl
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