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2 S + H2O + O = 2 HSO
CH3CHCOOH + I2 + NaOH = CH3CHCOOI + NaI + H2O =>
CH3CHCOOH + I2 + NaOH = CH3CHCOOI + NaI + H2O
Zn(CH3COO)2(aq) + CuSO4(aq) = ZnSO4(s) + Cu(CH3COO)2(aq) =>
Zn(CH3COO)2(aq) + CuSO4(aq) = ZnSO4(s) + Cu(CH3COO)2(aq)
(HCOO)2Ca + H2SO4 = HCOOH + CaSO4 =>
(HCOO)2Ca + H2SO4 = 2 HCOOH + CaSO4
Ca(s) + H2O(l) = Ca(OH)(s) + H2(g) =>
2 Ca(s) + 2 H2O(l) = 2 Ca(OH)(s) + H2(g)
KBr + Fe(OH)3 = KOH + FeBr3 =>
3 KBr + Fe(OH)3 = 3 KOH + FeBr3
CH3Br + Na = C2H6 + NaBr =>
2 CH3Br + 2 Na = C2H6 + 2 NaBr
Zn(s) + O2(g) = ZnO =>
2 Zn(s) + O2(g) = 2 ZnO
Pb(NO3)2 + KOH = Pb(OH)2 + KNO3 =>
Pb(NO3)2 + 2 KOH = Pb(OH)2 + 2 KNO3
Zn + AgSO4 = ZnSO4 + Ag =>
Zn + AgSO4 = ZnSO4 + Ag
F3 = F =>
F3 = 3 F
CH4 + O2 = CO2 + H2O =>
CH4 + 2 O2 = CO2 + 2 H2O
Al + H2SO4 = Al2(SO4)3 + H2Al =>
5 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2Al
FeHPO3 + H{+} + Cr2O7{2-} = Cr{3+} + Fe{3+} + H3PO4 + H2O =>
2 FeHPO3 + 14 H{+} + Cr2O7{2-} = 2 Cr{3+} + 2 Fe{3+} + 2 H3PO4 + 5 H2O
Na2Cr2O7 + HCl = NaCl + CrCl3 + H2O + Cl2 =>
Na2Cr2O7 + 14 HCl = 2 NaCl + 2 CrCl3 + 7 H2O + 3 Cl2
H3PO3 + Co = CoPO3 + H2 =>
2 H3PO3 + 2 Co = 2 CoPO3 + 3 H2
HC = CH = ch3 =>
HC = CH
Zn + S = ZnS =>
Zn + S = ZnS
C3H8S(l) + O2(g) = CO2(g) + H2O(l) + SO2(g) =>
C3H8S(l) + 6 O2(g) = 3 CO2(g) + 4 H2O(l) + SO2(g)
C7H14 + O2 = C7H14O =>
2 C7H14 + O2 = 2 C7H14O
Na0 = Na202 =>
202 Na0 = Na202
Al2(SO4)3 + H2(SO4) = Al(HSO4)3 =>
Al2(SO4)3 + 3 H2(SO4) = 2 Al(HSO4)3
Na2S + H2SO4 + KMnO4 = H2O + Na2SO4 + MnSO4 + K2SO4 =>
5 Na2S + 12 H2SO4 + 8 KMnO4 = 12 H2O + 5 Na2SO4 + 8 MnSO4 + 4 K2SO4
KMnO4 + FeSO4 + H2SO4 = Fe2(SO4)4 + MnSO4 + K2SO4 + H2O =>
4 KMnO4 + 10 FeSO4 + 16 H2SO4 = 5 Fe2(SO4)4 + 4 MnSO4 + 2 K2SO4 + 16 H2O
NH4HCO3(s) = NH3 + CO2(g) + H2O(g) =>
NH4HCO3(s) = NH3 + CO2(g) + H2O(g)
CH3CHOHCOONa + HCl = NaCl + CH3CHCOO + H2O =>
CH3CHOHCOONa + HCl = NaCl + CH3CHCOO + H2O
CaH + HBr = CaBr + H =>
CaH + HBr = CaBr + 2 H
K2S2O7 = K + S2O7 =>
K2S2O7 = 2 K + S2O7
Cu2O(s) + O2(g) = CuO(s) =>
2 Cu2O(s) + O2(g) = 4 CuO(s)
NiCl2 = Ni + Cl2 =>
NiCl2 = Ni + Cl2
Zn(s) + HCl2(ac) = ZnCl2(ac) + H2(g) =>
2 Zn(s) + 2 HCl2(ac) = 2 ZnCl2(ac) + H2(g)
CaCO3 + KF = CaF2 + K2CO3 =>
CaCO3 + 2 KF = CaF2 + K2CO3
Cu2O(s) + C(s) = Cu(s) + CO(g) =>
Cu2O(s) + C(s) = 2 Cu(s) + CO(g)
C7H11(l) + O2(g) = CO2(g) + H2O(g) =>
4 C7H11(l) + 39 O2(g) = 28 CO2(g) + 22 H2O(g)
Mg(NO3)2(ac) + NaHCO3(ac) = MgHCO3(s) + Na(NO3)2(ac) =>
Mg(NO3)2(ac) + NaHCO3(ac) = MgHCO3(s) + Na(NO3)2(ac)
Fe{2+} + Mg = Mg{2+} + Fe =>
Fe{2+} + Mg = Mg{2+} + Fe
BaCO3 + CH3COOH = Ba(CH3COO) + H2O + CO2 =>
8 BaCO3 + 9 CH3COOH = 8 Ba(CH3COO) + 6 H2O + 10 CO2
CrCl3 + KNO3 + K2CO3 = K2CrO4 + CO2 + KCl + KNO2 =>
2 CrCl3 + 3 KNO3 + 5 K2CO3 = 2 K2CrO4 + 5 CO2 + 6 KCl + 3 KNO2
SiO2 + CuF2 + H2SO4 = SiF4 + CuSO4 + H2O =>
SiO2 + 2 CuF2 + 2 H2SO4 = SiF4 + 2 CuSO4 + 2 H2O
O3 = O2 + O =>
O3 = O2 + O
NaCl + BeF2 = NaF + BeCl2 =>
2 NaCl + BeF2 = 2 NaF + BeCl2
F2 + H2O = OF2 + HF =>
2 F2 + H2O = OF2 + 2 HF
AlBr3 + O2 = Br2 + Al2O3 =>
4 AlBr3 + 3 O2 = 6 Br2 + 2 Al2O3
ZnO + N = ZnON =>
ZnO + N = ZnON
B2O3Na2O = Na2OB2O3 =>
B2O3Na2O = Na2OB2O3
CO2 + H2O + SO2 = C2H6S + O2 =>
4 CO2 + 6 H2O + 2 SO2 = 2 C2H6S + 9 O2
C2H6 + NHO3 = C2H5NO2 + H2O =>
C2H6 + NHO3 = C2H5NO2 + H2O
S2O9 = S + O2 =>
2 S2O9 = 4 S + 9 O2
Ba + NH4ClO4 = BaO + BaCl2 + NO + H2O =>
3 Ba + 2 NH4ClO4 = 2 BaO + BaCl2 + 2 NO + 4 H2O
propane + water = H2 + CO2 =>
C3H8 + 6 H2O = 10 H2 + 3 CO2
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