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H2SO4 + 2 KOH = K2SO4 + 2 H2O
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
C5CH12 + O2 = CO2 + H2O =>
C5CH12 + 9 O2 = 6 CO2 + 6 H2O
HClO4 + P4O10 = H3PO4 + Cl2O7 =>
12 HClO4 + P4O10 = 4 H3PO4 + 6 Cl2O7
H2SO4 + Ni(OH)3 = H2O + Ni2(SO4)3 =>
3 H2SO4 + 2 Ni(OH)3 = 6 H2O + Ni2(SO4)3
Mg(OH)2 + HCl = MgCl2 + H2O =>
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
SeO2 + KOH = K2SeO3 + H2O =>
SeO2 + 2 KOH = K2SeO3 + H2O
HClC = C + HCl =>
HClC = C + HCl
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
C2H5OH + O2 = CO2 + H2O =>
C2H5OH + 3 O2 = 2 CO2 + 3 H2O
Al + O2 = Al2O3 =>
4 Al + 3 O2 = 2 Al2O3
NaNO2 + NaHSO3 = HON(SO3Na)2 + NaOH =>
NaNO2 + 2 NaHSO3 = HON(SO3Na)2 + NaOH
Sn + P4 = Sn3P4 =>
3 Sn + P4 = Sn3P4
ZnO + H3PO4 = Zn3(PO4)2 + H2O =>
3 ZnO + 2 H3PO4 = Zn3(PO4)2 + 3 H2O
Ca + O2 = CaO =>
2 Ca + O2 = 2 CaO
Mg + HCl = MgCl2 + H2 =>
Mg + 2 HCl = MgCl2 + H2
Ba(NO3)2 + Al2(SO4)3 = BaSO4 + Al(NO3)3 =>
3 Ba(NO3)2 + Al2(SO4)3 = 3 BaSO4 + 2 Al(NO3)3
Zn(NO3)2*6H2O + C2H5NO2 + Al(NO3)3*9H2O = CO2 + H2O + N2 + ZnAl2O4 =>
9 Zn(NO3)2*6H2O + 40 C2H5NO2 + 18 Al(NO3)3*9H2O = 80 CO2 + 316 H2O + 56 N2 + 9 ZnAl2O4
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
C6H12O6 + CH4N2O = C10H18O5N2 + CO2 + H2O =>
7 C6H12O6 + 4 CH4N2O = 4 C10H18O5N2 + 6 CO2 + 14 H2O
PB(OH)2 = PBOH2O =>
PB(OH)2 = PBOH2O
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
Fe2O3 + HCl = FeCl3 + H2O =>
Fe2O3 + 6 HCl = 2 FeCl3 + 3 H2O
XCH3 + KMnO4 + H2SO4 = K2SO4 + MnSO4 + CO2 + XO + H2O =>
10 XCH3 + 18 KMnO4 + 27 H2SO4 = 9 K2SO4 + 18 MnSO4 + 10 CO2 + 10 XO + 42 H2O
H2S + NaOH = H2O + Na2S =>
H2S + 2 NaOH = 2 H2O + Na2S
CaCl2*2H2O + KOH = Ca(OH)2 + KCl + H2O =>
CaCl2*2H2O + 2 KOH = Ca(OH)2 + 2 KCl + 2 H2O
HgS + HCl + HNO3 = HgCl2 + S + NO + H2O =>
3 HgS + 6 HCl + 2 HNO3 = 3 HgCl2 + 3 S + 2 NO + 4 H2O
H2SO4 + Fe2O3 = Fe2(SO4)3 + H2O =>
3 H2SO4 + Fe2O3 = Fe2(SO4)3 + 3 H2O
CaOHFeO = CaOFeOH =>
CaOHFeO = CaOFeOH
H2SO4 + KMnO4 + FeSO4 = K2SO4 + H2O + Fe(SO4)3 + MnSO4 =>
16 H2SO4 + 4 KMnO4 + 5 FeSO4 = 2 K2SO4 + 16 H2O + 5 Fe(SO4)3 + 4 MnSO4
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
(NH4)2SO4 + Cr(NO3)2 = NH4NO3 + CrSO4 =>
(NH4)2SO4 + Cr(NO3)2 = 2 NH4NO3 + CrSO4
SnO2 + C = Sn + CO =>
SnO2 + 2 C = Sn + 2 CO
S + Cl2 = SCl4 =>
S + 2 Cl2 = SCl4
Al + ZnO = Al2O3 + Zn =>
2 Al + 3 ZnO = Al2O3 + 3 Zn
NO2 + CaO = CaNO3 =>
NO2 + CaO = CaNO3
(a)C2H6 + O2 = CO2 + H2O =>
2(a)C2H6 + 7 O2 = 4 CO2 + 6 H2O
Ba(NO3)2 + NaHSO4 = BaHSO4 + Na(NO3)2 =>
Ba(NO3)2 + NaHSO4 = BaHSO4 + Na(NO3)2
NO2 = O2 + N2 =>
2 NO2 = 2 O2 + N2
K + H2SO4 = KSO4 + H2O + SO2 =>
K + 2 H2SO4 = KSO4 + 2 H2O + SO2
FeCl2 + NaBr = NaCl + FeBr2 =>
FeCl2 + 2 NaBr = 2 NaCl + FeBr2
P(OH)3 + NaOH = Na3[P(OH)6] =>
P(OH)3 + 3 NaOH = Na3[P(OH)6]
Ca3(PO4)2 + H3PO4 = Ca(H2PO4)2 =>
Ca3(PO4)2 + 4 H3PO4 = 3 Ca(H2PO4)2
C8H8O3 + NaOH = C8H7O3Na + H2O =>
C8H8O3 + NaOH = C8H7O3Na + H2O
K2MnO4 + H2SO4 = KMnO4 + MnO2 + K2SO4 + H2O =>
3 K2MnO4 + 2 H2SO4 = 2 KMnO4 + MnO2 + 2 K2SO4 + 2 H2O
CaC2(s) + H2O(l) = C2H2(g) + Ca(OH)2(aq)Ca(OH)2 =>
2 CaC2(s) + 4 H2O(l) = 2 C2H2(g) + Ca(OH)2(aq)Ca(OH)2
CH3CH2CH2CHO + Cu(OH)2 = CH3CH2CH2COOH + Cu2O + H2O =>
CH3CH2CH2CHO + 2 Cu(OH)2 = CH3CH2CH2COOH + Cu2O + 2 H2O
K2CrO4 + NaNO2 + H2SO4 = Cr2(SO4)3 + K2SO4 + NaNO3 + H2O =>
2 K2CrO4 + 3 NaNO2 + 5 H2SO4 = Cr2(SO4)3 + 2 K2SO4 + 3 NaNO3 + 5 H2O
SrSO4 + CH3COOH = (CH3COO)2Sr + H2SO4 =>
SrSO4 + 2 CH3COOH = (CH3COO)2Sr + H2SO4
NaOH + KHC8H4O4 = H2ONaKC8H4O4 =>
NaOH + KHC8H4O4 = H2ONaKC8H4O4
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