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3 NiS + 8 H2SO4 = 8 H2O + 3 NiSO4 + 4 S2O3
N2 + H2 = NH3 =>
N2 + 3 H2 = 2 NH3
Fe(NO3)3 + KCNS = Fe(SCN)3 + KNO3 =>
Fe(NO3)3 + 3 KCNS = Fe(SCN)3 + 3 KNO3
Na2S3O3 + Br2 + NaOH = NaBr + Na2SO4 + H2O =>
Na2S3O3 + 7 Br2 + 18 NaOH = 14 NaBr + 3 Na2SO4 + 9 H2O
ZnCO3 + HCl = ZnCl2 + H2O + CO2 =>
ZnCO3 + 2 HCl = ZnCl2 + H2O + CO2
He + O2 = He2O3 =>
4 He + 3 O2 = 2 He2O3
Na2S + FeCl3 = Na3Cl3 + S3Fe2 =>
3 Na2S + 2 FeCl3 = 2 Na3Cl3 + S3Fe2
K2S + HNO3 = NO3S + K2H =>
K2S + HNO3 = NO3S + K2H
COOHCH2OHCCOOHCH2COOH + NaOH + CaCl2 = COOCa + CH2OHCCOOCaCH2COOCa + NaCl + H2O =>
3 COOHCH2OHCCOOHCH2COOH + 24 NaOH + 12 CaCl2 = 8 COOCa + 2 CH2OHCCOOCaCH2COOCa + 24 NaCl + 19 H2O
Na2(CO3) + Al(OH)3 = Na(OH) + Al2(CO3)3 =>
3 Na2(CO3) + 2 Al(OH)3 = 6 Na(OH) + Al2(CO3)3
Al + CO2 = AlCO2 =>
Al + CO2 = AlCO2
HOCH2CH2OH + HCl = ClCH2CH2OH + H2O =>
HOCH2CH2OH + HCl = ClCH2CH2OH + H2O
(NH4)2SO4(aq) + Ca(OH)2(aq) = H2O(l) + NH3(a) + CaSO4(aq) =>
(NH4)2SO4(aq) + Ca(OH)2(aq) = 2 H2O(l) + 2 NH3(a) + CaSO4(aq)
Cu(s) + Cr(CH3COO)3(aq) = Cu(CH3COO)3(aq) + Cr(s) =>
Cu(s) + Cr(CH3COO)3(aq) = Cu(CH3COO)3(aq) + Cr(s)
H2SO4 + NaOH = Na2SO4 + H2O =>
H2SO4 + 2 NaOH = Na2SO4 + 2 H2O
H2O + NaBr + KMnO4 = NaBrO3 + KOH + MnO2 =>
H2O + NaBr + 2 KMnO4 = NaBrO3 + 2 KOH + 2 MnO2
AgNO3 + HI = AgI + HNO3 =>
AgNO3 + HI = AgI + HNO3
Al + [OH]{-} + [NO3]{-} + H2O = [AlO2]{-} + NH3 =>
8 Al + 5[OH]{-} + 3[NO3]{-} + 2 H2O = 8[AlO2]{-} + 3 NH3
P2S3 + Br2 + KOH = K3PO4 + K2SO4 + KBr + H2O =>
P2S3 + 14 Br2 + 40 KOH = 2 K3PO4 + 3 K2SO4 + 28 KBr + 20 H2O
Na2O + H2CO3 = Na2CO3 + H2O =>
Na2O + H2CO3 = Na2CO3 + H2O
Na2H2 + CO3 = Na2CO3 + CO2 + H2O =>
Na2H2 + 2 CO3 = Na2CO3 + CO2 + H2O
FeS2 + O2 = Fe2O3 + SO2 =>
4 FeS2 + 11 O2 = 2 Fe2O3 + 8 SO2
NH4HF2 + TiO2 = (NH4)2TiF6 + NH3 + H2O =>
3 NH4HF2 + TiO2 = (NH4)2TiF6 + NH3 + 2 H2O
Na2O + H2CO3 = Na2CO3 + H2O =>
Na2O + H2CO3 = Na2CO3 + H2O
Nb + Fe2O3 = Nb2O5 + Fe =>
6 Nb + 5 Fe2O3 = 3 Nb2O5 + 10 Fe
Cr2(SO4)3 + (NH4)2 = Cr2(NH4)2 + (SO4)2 =>
2 Cr2(SO4)3 + 2(NH4)2 = 2 Cr2(NH4)2 + 3(SO4)2
ZnOH2CO2 = ZnCO3H2 =>
ZnOH2CO2 = ZnCO3H2
Ag3(NO3) + K3PO4 = Ag3PO4 + K3(NO3) =>
Ag3(NO3) + K3PO4 = Ag3PO4 + K3(NO3)
Cu(OH)2HNO3 = CuOHNO3H2O =>
Cu(OH)2HNO3 = CuOHNO3H2O
AgNO3 + FeSO4 = Fe(SO4)3 + Fe(NO3)3 + Ag =>
6 AgNO3 + 3 FeSO4 = Fe(SO4)3 + 2 Fe(NO3)3 + 6 Ag
Zn + HCl = ZnCl2 + H2 = =>
Zn + 2 HCl = ZnCl2 + H2
HCe + NaOH = HOH + NaCe =>
HCe + NaOH = HOH + NaCe
Cu(OH)2 + H2SO4 = CuSO4 + H2O =>
Cu(OH)2 + H2SO4 = CuSO4 + 2 H2O
CuO + HCl = CuCl2 + H2O =>
CuO + 2 HCl = CuCl2 + H2O
KOH + H2CO3 = H2O + K2CO3 =>
2 KOH + H2CO3 = 2 H2O + K2CO3
N2H9 + O2 = N2 + H2O =>
4 N2H9 + 9 O2 = 4 N2 + 18 H2O
CaCO3 + H2SO4 = H2O + CO2 + Ca2(SO4)2 =>
2 CaCO3 + 2 H2SO4 = 2 H2O + 2 CO2 + Ca2(SO4)2
H2SO4 + NH3 = N2(SO4)3 + H2 =>
3 H2SO4 + 2 NH3 = N2(SO4)3 + 6 H2
K2CO3 + HCl = CO2 + H2O + KCl =>
K2CO3 + 2 HCl = CO2 + H2O + 2 KCl
NCl + CH = N + CCl + H2 =>
2 NCl + 2 CH = 2 N + 2 CCl + H2
H2SO4 + Ca(OH)2 = CaSO4*2H2O =>
H2SO4 + Ca(OH)2 = CaSO4*2H2O
Al + HNO3 = Al(NO3)3 + NHNO3 + H2O =>
5 Al + 21 HNO3 = 5 Al(NO3)3 + 3 NHNO3 + 9 H2O
NaCO + HCl = NaCl + COH =>
NaCO + HCl = NaCl + COH
Na(NO3)2 + HCl = NaCl + H(NO3)2 =>
Na(NO3)2 + HCl = NaCl + H(NO3)2
Zn(No3)2 + KOH = KNo3 + K2Zn(OH)4 =>
Zn(No3)2 + 4 KOH = 2 KNo3 + K2Zn(OH)4
NaBr + KI = NaI + KBr =>
NaBr + KI = NaI + KBr
AgNO3 + H2SO4 = Ag2SO4 + HNO3 = =>
2 AgNO3 + H2SO4 = Ag2SO4 + 2 HNO3
Na3PO4 + PbCO3 = Pb3(PO4)2 + Na2CO3 =>
2 Na3PO4 + 3 PbCO3 = Pb3(PO4)2 + 3 Na2CO3
H3PO4 + (OH)2 = (H3P2O7)2 + H2O =>
4 H3PO4 + (OH)2 = (H3P2O7)2 + 4 H2O
CuCl2 + KOH = Cu(OH)2 + KCl =>
CuCl2 + 2 KOH = Cu(OH)2 + 2 KCl
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