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4 Ca + H2SO4 = Ca4SO4 + H2
MnCO3 + H2O = HCO3 + MnO2 + H =>
MnCO3 + 2 H2O = HCO3 + MnO2 + 3 H
CaCO3 + SiO2 + CeO2 + Dy2O3 + Li2CO3 = Ca2SiO4CeDyLi + CO2 + O2 =>
4 CaCO3 + 2 SiO2 + 2 CeO2 + Dy2O3 + Li2CO3 = 2 Ca2SiO4CeDyLi + 5 CO2 + 4 O2
ZnO + Cl2O7 = Zn(ClO4)2 =>
ZnO + Cl2O7 = Zn(ClO4)2
Al2 + NaOH = Na3(AlO3) + H =>
Al2 + 6 NaOH = 2 Na3(AlO3) + 6 H
K3AsO3 + KOH + I2 = K3AsO4 + KI + H2O =>
K3AsO3 + 2 KOH + I2 = K3AsO4 + 2 KI + H2O
Ca(OH)2HBr = CaBr(OH)2H =>
Ca(OH)2HBr = CaBr(OH)2H
H23 + C = C3H63 =>
63 H23 + 69 C = 23 C3H63
CS + H = CSH =>
CS + H = CSH
SiF4 + NaF = Si + NaF5 =>
SiF4 + NaF = Si + NaF5
HClO2 + Bi(OH)3 = H2O + Bi(ClO2)3 =>
3 HClO2 + Bi(OH)3 = 3 H2O + Bi(ClO2)3
HCl + LiCO3 = LiCl + HCO3 =>
HCl + LiCO3 = LiCl + HCO3
NiSO4 + KCl = NiCl + KSO4 =>
NiSO4 + KCl = NiCl + KSO4
SiCl2(l) + Mg(s) = Si(s) + MgCl2(s) =>
SiCl2(l) + Mg(s) = Si(s) + MgCl2(s)
BaO2 + Al = Al2O3 + Ba =>
3 BaO2 + 4 Al = 2 Al2O3 + 3 Ba
MnO2 + HBr = MnBr2 + Br2 + H22O =>
MnO2 + 44 HBr = MnBr2 + 21 Br2 + 2 H22O
Cu + AgNO3 = Cu(NO3)2 + Ag =>
Cu + 2 AgNO3 = Cu(NO3)2 + 2 Ag
AE(NO3)3 + Ba(OH)2 = Ba(NO3)2 + AE(OH)3 =>
2 AE(NO3)3 + 3 Ba(OH)2 = 3 Ba(NO3)2 + 2 AE(OH)3
Pb(NO3)2 + NaI = PbI2 + Na + NO3 =>
Pb(NO3)2 + 2 NaI = PbI2 + 2 Na + 2 NO3
C2H4O2 + MnO4{2-} + H{+} = CO2 + MnO2 + H2O =>
C2H4O2 + 4 MnO4{2-} + 8 H{+} = 2 CO2 + 4 MnO2 + 6 H2O
CH3CH2OH + KBr = CH3CH2Br + KOH =>
CH3CH2OH + KBr = CH3CH2Br + KOH
CaCl3 + Na2CO3 = Na2Cl3 + CaCO3 =>
CaCl3 + Na2CO3 = Na2Cl3 + CaCO3
Cr(OH)3 + Na = NaCrO3 + H2 =>
2 Cr(OH)3 + 2 Na = 2 NaCrO3 + 3 H2
Pb(NO3)2 + AlCl3 = PbCl2 + NO3 + Al =>
3 Pb(NO3)2 + 2 AlCl3 = 3 PbCl2 + 6 NO3 + 2 Al
C2H2 + HCl = CHHCl =>
C2H2 + 2 HCl = 2 CHHCl
CO + NaOH = NaCO2 + H2 =>
2 CO + 2 NaOH = 2 NaCO2 + H2
CH3OH + O2 = CO2 + H2O =>
2 CH3OH + 3 O2 = 2 CO2 + 4 H2O
CH3CH2COCH3 + Cl2 + OH = CH3CH2COOH + HCl =>
6 CH3CH2COCH3 + 5 Cl2 + 10 OH = 8 CH3CH2COOH + 10 HCl
POH + H2SO4 = P2SO4 + H2O =>
2 POH + H2SO4 = P2SO4 + 2 H2O
Mn + Zn = MnZn =>
Mn + Zn = MnZn
NaOH + LiNO3 = LiOH + NaNO3 =>
NaOH + LiNO3 = LiOH + NaNO3
K2Cr2O7 + H2SO4 + CrCl2 = K2SO4 + Cr2(SO4)3 + H2O + CrCl3 =>
K2Cr2O7 + 7 H2SO4 + 6 CrCl2 = K2SO4 + 2 Cr2(SO4)3 + 7 H2O + 4 CrCl3
Cl2(g) + NaBr(s) = Br2(l) + NaCl(aq) =>
Cl2(g) + 2 NaBr(s) = Br2(l) + 2 NaCl(aq)
CaSiO3 + HF = SiF4 + CaF2 + H2O =>
CaSiO3 + 6 HF = SiF4 + CaF2 + 3 H2O
Al + NF3 = AlF3 + N2 =>
2 Al + 2 NF3 = 2 AlF3 + N2
C4H9Br + KOH = C4H10O + KBr =>
C4H9Br + KOH = C4H10O + KBr
CaNO3 + NaOH = Ca(OH)2 + Na + NO3 =>
CaNO3 + 2 NaOH = Ca(OH)2 + 2 Na + NO3
AgNO3 + K3PO4 = Ag3PO4 + KNO3 =>
3 AgNO3 + K3PO4 = Ag3PO4 + 3 KNO3
NaClH2SO4 = NaHSO4 + HCl =>
NaClH2SO4 = NaHSO4 + HCl
P + O2 = P2O5 = =>
4 P + 5 O2 = 2 P2O5
SO2 + K2Cr2O7 + H2O = Cr(OH)3 + K2SO4 + H2SO4 =>
3 SO2 + K2Cr2O7 + 5 H2O = 2 Cr(OH)3 + K2SO4 + 2 H2SO4
KNaC4H4O6 + H2O2 = CO2 + KOH + NaOH + H2O =>
KNaC4H4O6 + 5 H2O2 = 4 CO2 + KOH + NaOH + 6 H2O
Cr2(SO4)3 + NaOH = Na3[Cr(OH)6] + Na2SO4 =>
Cr2(SO4)3 + 12 NaOH = 2 Na3[Cr(OH)6] + 3 Na2SO4
KOH2 + Zn(NO3)2 = ZnOH2 + K(NO3)2 =>
KOH2 + Zn(NO3)2 = ZnOH2 + K(NO3)2
ZnSO4 + KOH = ZnOH + KSO4 =>
ZnSO4 + KOH = ZnOH + KSO4
Ca3(PO4)2 + HCl = CaHCl + PO4 =>
Ca3(PO4)2 + 3 HCl = 3 CaHCl + 2 PO4
Na2S + AgNO3 = NaNO3 + Ag2S =>
Na2S + 2 AgNO3 = 2 NaNO3 + Ag2S
hydrogen + fluorine = HF =>
H2 + F2 = 2 HF
H3PO3 + Zn + H2SO4 = ZnSO4 + H2O + H3P =>
H3PO3 + 3 Zn + 3 H2SO4 = 3 ZnSO4 + 3 H2O + H3P
Cu(HSO4)2 + KOH = CuSO4 + K2SO4 + H2O =>
Cu(HSO4)2 + 2 KOH = CuSO4 + K2SO4 + 2 H2O
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