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A2 = 2 A
ZnBr2 + HCl = ZnCl2 + HBr =>
ZnBr2 + 2 HCl = ZnCl2 + 2 HBr
NaCl + H2S = Na2S + Cl2 + H2 =>
2 NaCl + H2S = Na2S + Cl2 + H2
(NH4)2SO4 + HBr = H2SO4 + NH4Br =>
(NH4)2SO4 + 2 HBr = H2SO4 + 2 NH4Br
K + KNO3 = K2O + NO2 =>
K + KNO3 = K2O + NO2
RbNO4 + Na2S = Rb2S + NaNO4 =>
2 RbNO4 + Na2S = Rb2S + 2 NaNO4
KHSO4K2CO3 = CO2K2SO4KOH =>
KHSO4K2CO3 = CO2K2SO4KOH
H2SO4 + NH4Cl = (NH4)2SO4 + HCl =>
H2SO4 + 2 NH4Cl = (NH4)2SO4 + 2 HCl
C6H5CHBrCH3 + KOH = C6H5CHOHCH3 + KBr =>
C6H5CHBrCH3 + KOH = C6H5CHOHCH3 + KBr
H2O + K2CO3 = H2CO3 + KOH =>
2 H2O + K2CO3 = H2CO3 + 2 KOH
SO2 + Ca(OH)2 = CaSO4 + H2O + S =>
3 SO2 + 2 Ca(OH)2 = 2 CaSO4 + 2 H2O + S
C3H6O3 + K2Cr2O7 + H2SO4 = CO2 + Cr2(SO4)3 + K2SO4 + H2O =>
C3H6O3 + 2 K2Cr2O7 + 8 H2SO4 = 3 CO2 + 2 Cr2(SO4)3 + 2 K2SO4 + 11 H2O
Pb(NO3)2 + NaI = PbI2 + Na + NO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 Na + 2 NO3
Na6(Si30Al6)O72*20H2 + NaOH = Na64(Si30Al6)O81 + H2O =>
Na6(Si30Al6)O72*20H2 + 58 NaOH = Na64(Si30Al6)O81 + 49 H2O
Cl2 + CO + KOH = K2CO3 + KCl + H2O =>
Cl2 + CO + 4 KOH = K2CO3 + 2 KCl + 2 H2O
NOH + HCl = NCl + H2O =>
NOH + HCl = NCl + H2O
CH3CHCHCH3 + HOH = CH3CH2CHOHCH3 =>
CH3CHCHCH3 + HOH = CH3CH2CHOHCH3
Cs + P = CsP4 =>
Cs + 4 P = CsP4
(a)Pb(NO3)2(aq) + AlI3(aq) = PbI2(s) + Al(NO3)3(aq) =>
3(a)Pb(NO3)2(aq) + 2 AlI3(aq) = 3 PbI2(s) + 2 Al(NO3)3(aq)
LiNO2 + Mn(NO3)2 + C4H10 + O2 = LiMn2O4*C4H10 + NO3 =>
2 LiNO2 + 4 Mn(NO3)2 + 2 C4H10 + 5 O2 = 2 LiMn2O4*C4H10 + 10 NO3
(c)H2(g) + MnO2(s) = MnO(s) + H2O(g) =>
(c)H2(g) + MnO2(s) = MnO(s) + H2O(g)
Cr2O3 + NaNO3 + KOH = K2CrO4 + NaOH + NH3 + H2O =>
4 Cr2O3 + 3 NaNO3 + 16 KOH = 8 K2CrO4 + 3 NaOH + 3 NH3 + 2 H2O
CO + H2O = H3OH + CO2 =>
CO + 2 H2O = H3OH + CO2
Na2B4O7 + H2O = B(OH)3 + NaB(OH)4 =>
Na2B4O7 + 7 H2O = 2 B(OH)3 + 2 NaB(OH)4
C3H6Cl2O + NaOH = C3H5ClO + NaCl + H2O =>
C3H6Cl2O + NaOH = C3H5ClO + NaCl + H2O
Ba(OH)2 + Na2CO3 = BaCO3 + Na2(OH)2 =>
Ba(OH)2 + Na2CO3 = BaCO3 + Na2(OH)2
MnO2 + KI + H2SO4 = MnSO4 + I2 + KO + H2O =>
2 MnO2 + 2 KI + 2 H2SO4 = 2 MnSO4 + I2 + 2 KO + 2 H2O
K3[Fe(Cl)6] + Re + KOH = K4[Fe(Cl)6] + KReO4 + H2O =>
7 K3[Fe(Cl)6] + Re + 8 KOH = 7 K4[Fe(Cl)6] + KReO4 + 4 H2O
OH + Na = OHNa =>
OH + Na = OHNa
Cd(NO3)2 + H2O = Cd + O2 + HNO3 =>
2 Cd(NO3)2 + 2 H2O = 2 Cd + O2 + 4 HNO3
(C6H5C)4(C4H2N)2(C4H2NH)2 + Cu(CH3CO2C)4 = Cu(C6H5C)4(C4H2N)4 + H2(CH3CO2C)4 =>
(C6H5C)4(C4H2N)2(C4H2NH)2 + Cu(CH3CO2C)4 = Cu(C6H5C)4(C4H2N)4 + H2(CH3CO2C)4
NaCl(aq) + Hg2(C2H3O2)2(aq) = Hg2Cl2 + Na(C2H3O2) =>
2 NaCl(aq) + Hg2(C2H3O2)2(aq) = Hg2Cl2 + 2 Na(C2H3O2)
HAuCl4 + SnCl2 = Au + SnCl4 + HCl =>
2 HAuCl4 + 3 SnCl2 = 2 Au + 3 SnCl4 + 2 HCl
HCOOH + Ca(OH)2 = HCOO2HCa + H2O =>
HCOOH + Ca(OH)2 = HCOO2HCa + H2O
NO + PbO2 + KOH = K2PbO2 + KNO3 + H2O =>
2 NO + 3 PbO2 + 8 KOH = 3 K2PbO2 + 2 KNO3 + 4 H2O
NaOCN(aq) + NaOH(aq) + Cl2(g) = NaCl(aq) + H2O + NaHCO3(aq) + N2(g) =>
2 NaOCN(aq) + 6 NaOH(aq) + 3 Cl2(g) = 6 NaCl(aq) + 2 H2O + 2 NaHCO3(aq) + N2(g)
Li2CO2 = CO2 + Li =>
Li2CO2 = CO2 + 2 Li
AgNO3(s) + K2CO3(aq) = Ag2CO3(s) + KNO3(aq) =>
2 AgNO3(s) + K2CO3(aq) = Ag2CO3(s) + 2 KNO3(aq)
Na2CO3(s) + H2SO4(aq) = CO2(g) + H2O(l) + Na2SO4(aq) =>
Na2CO3(s) + H2SO4(aq) = CO2(g) + H2O(l) + Na2SO4(aq)
Sr + P2 = SrP =>
2 Sr + P2 = 2 SrP
H2C2O4 + K2Cr2O7 + H2SO4 = K2SO4 + Cr2(SO4)2 + CO2 + H2O =>
4 H2C2O4 + K2Cr2O7 + 3 H2SO4 = K2SO4 + Cr2(SO4)2 + 8 CO2 + 7 H2O
Zn + H2O4 = H2 + ZnO4 =>
Zn + H2O4 = H2 + ZnO4
SO2 + SC = CS2 + CO =>
SO2 + 5 SC = 3 CS2 + 2 CO
Na3[Cu(S2O3)2] + H2O + Na2S4O6 = Na2S2O3 + H2SO4 + CuS =>
2 Na3[Cu(S2O3)2] + 2 H2O + Na2S4O6 = 4 Na2S2O3 + 2 H2SO4 + 2 CuS
CH3COONaHCl = ClCH3COONaH =>
CH3COONaHCl = ClCH3COONaH
Cl2 + SrBr2 = ClBr2 + Sr =>
Cl2 + 2 SrBr2 = 2 ClBr2 + 2 Sr
HCOONa + Cu(OH)2 + NaOH = Cu2O + H2O + Na2CO3 =>
HCOONa + 2 Cu(OH)2 + NaOH = Cu2O + 3 H2O + Na2CO3
(NH4)2CO3(ac) + CaCl2(ac) = (NH4)2Cl2(ac) + CaCO3(ac) =>
(NH4)2CO3(ac) + CaCl2(ac) = (NH4)2Cl2(ac) + CaCO3(ac)
Ba(OH)2(ac) + Na3PO4(ac) = Ba3(PO4)2(s) + NaOH(ac) =>
3 Ba(OH)2(ac) + 2 Na3PO4(ac) = Ba3(PO4)2(s) + 6 NaOH(ac)
MnO4 + H2CO2 = MnO2 + H2O + CO2 =>
MnO4 + 2 H2CO2 = MnO2 + 2 H2O + 2 CO2
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