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WO3 + 3 H2 = W + 3 H2O
Fe2O3 + HNO2 = Fe(NO2)3 + H2O =>
Fe2O3 + 6 HNO2 = 2 Fe(NO2)3 + 3 H2O
K + MnSO4 = KSO4 + Mn =>
K + MnSO4 = KSO4 + Mn
Fe(s) + O2(g) = Fe2O3 =>
4 Fe(s) + 3 O2(g) = 2 Fe2O3
Hg2(NO3)2 + HCl = Hg2Cl2 + HNO3 =>
Hg2(NO3)2 + 2 HCl = Hg2Cl2 + 2 HNO3
Fe(OH)3 = Fe2O3 + H2O =>
2 Fe(OH)3 = Fe2O3 + 3 H2O
C5H12 + O2 = CO2 + H2O =>
C5H12 + 8 O2 = 5 CO2 + 6 H2O
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
Fe2O3 + C = CO2 + Fe =>
2 Fe2O3 + 3 C = 3 CO2 + 4 Fe
P2O3 + KOH + KMnO4 = K3PO4 + K2MnO4 + H2O =>
P2O3 + 10 KOH + 4 KMnO4 = 2 K3PO4 + 4 K2MnO4 + 5 H2O
Al(OH)3 + H2SO4 = Al2(SO4)3 + H2O =>
2 Al(OH)3 + 3 H2SO4 = Al2(SO4)3 + 6 H2O
H2 + Br2 = HBr =>
H2 + Br2 = 2 HBr
Fe + O2 = Fe2O3 =>
4 Fe + 3 O2 = 2 Fe2O3
C14H12O2 + HNO3 = C7H6O2 + NO2 + H2O =>
C14H12O2 + 4 HNO3 = 2 C7H6O2 + 4 NO2 + 2 H2O
CuSO4*5H2O + NaOH = Na2SO4 + H2O + Cu(OH)2 =>
CuSO4*5H2O + 2 NaOH = Na2SO4 + 5 H2O + Cu(OH)2
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
Ca3P2 + H2O = Ca(OH)2 + PH3 =>
Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
HNO3(aq) + Na2CO3(aq) = NaNO3(aq) + CO2(g) + H2O(l) =>
2 HNO3(aq) + Na2CO3(aq) = 2 NaNO3(aq) + CO2(g) + H2O(l)
CA(HCO3)2 = CACO3 + CO2 + H2O =>
CA(HCO3)2 = CACO3 + CO2 + H2O
SIO2 + KOH = K2SIO3 + H2O =>
SIO2 + 2 KOH = K2SIO3 + H2O
PBO + NaOH = Na2PBO2 + H2O =>
PBO + 2 NaOH = Na2PBO2 + H2O
K + AlCl = KCl + Al =>
K + AlCl = KCl + Al
Li + H2O = LiOH + H2 =>
2 Li + 2 H2O = 2 LiOH + H2
HCl + Al = AlCl3 + H2 =>
6 HCl + 2 Al = 2 AlCl3 + 3 H2
K + AlCl = KCl + Al =>
K + AlCl = KCl + Al
Al + NaOH + H2O = NaAl(OH)4 + H2 =>
2 Al + 2 NaOH + 6 H2O = 2 NaAl(OH)4 + 3 H2
CH3OH + K = CH3OK + H2 =>
2 CH3OH + 2 K = 2 CH3OK + H2
NaCN + H2SO4 = Na2SO4 + HCN =>
2 NaCN + H2SO4 = Na2SO4 + 2 HCN
S2Cl2 + H2O = S + HCl + HSO4 =>
7 S2Cl2 + 8 H2O = 12 S + 14 HCl + 2 HSO4
Al2O3 + HBr = AlBr3 + H2O =>
Al2O3 + 6 HBr = 2 AlBr3 + 3 H2O
H2SO3 + H2O2 = H2SO4 + H2O =>
H2SO3 + H2O2 = H2SO4 + H2O
Mg + HCl = MgCl + H2 =>
2 Mg + 2 HCl = 2 MgCl + H2
S2Cl2 + H2O = S + HCl + H2SO3 =>
2 S2Cl2 + 3 H2O = 3 S + 4 HCl + H2SO3
Al(NO3)3 + NaOH = Al(OH)3 + NaNO3 =>
Al(NO3)3 + 3 NaOH = Al(OH)3 + 3 NaNO3
HCl + NaOH = NaCl + H2O =>
HCl + NaOH = NaCl + H2O
HCl + Mg = MgCl + H2 =>
2 HCl + 2 Mg = 2 MgCl + H2
Na2S + AgNO3 = NaNO3 + Ag2S =>
Na2S + 2 AgNO3 = 2 NaNO3 + Ag2S
K2O + H2O = KOH =>
K2O + H2O = 2 KOH
Mg + HCI = MgCI + H2 =>
2 Mg + 2 HCI = 2 MgCI + H2
Ba(OH)2 + H3PO4 = BaHPO4 + H2O =>
Ba(OH)2 + H3PO4 = BaHPO4 + 2 H2O
C + H2 = CH4 =>
C + 2 H2 = CH4
P + O2 = P2O3 =>
4 P + 3 O2 = 2 P2O3
zinc + hydrochloricacid = zincchloride + hydrogen =>
Zn + 2 HCl = ZnCl2 + H2
Zn + H2O = Zn(OH)2 + H2 =>
Zn + 2 H2O = Zn(OH)2 + H2
Ba(OH)2 + H3PO4 = BaHPO4 + H2O =>
Ba(OH)2 + H3PO4 = BaHPO4 + 2 H2O
LiH + H2O = LiOH + H2 =>
LiH + H2O = LiOH + H2
Fe + Cl2 = FeCl3 =>
2 Fe + 3 Cl2 = 2 FeCl3
Zn + H2O = Zn(OH)2 + H2 =>
Zn + 2 H2O = Zn(OH)2 + H2
(CuOH)2CO3 = CuO + CO2 + H2O =>
(CuOH)2CO3 = 2 CuO + CO2 + H2O
C6H6 + O2 = H2O + CO2 =>
2 C6H6 + 15 O2 = 6 H2O + 12 CO2
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