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Ca3P2 + 6 H2O = 3 Ca(OH)2 + 2 PH3
NaCO3(s) + CH3COOH(aq) = CH3COONa(aq) + CO2(g) + H2O(l) =>
8 NaCO3(s) + 9 CH3COOH(aq) = 8 CH3COONa(aq) + 10 CO2(g) + 6 H2O(l)
NaBr + NaBrO3 + H2(SO4) = Br2 + Na2(SO4) + H2O =>
5 NaBr + NaBrO3 + 3 H2(SO4) = 3 Br2 + 3 Na2(SO4) + 3 H2O
Al + H2SO4 = Al2(SO4)3 + H2 =>
2 Al + 3 H2SO4 = Al2(SO4)3 + 3 H2
C8H18 + O2 = CO2 + H2O =>
2 C8H18 + 25 O2 = 16 CO2 + 18 H2O
CH3OONa + HCl = CH3OOH + NaCl =>
CH3OONa + HCl = CH3OOH + NaCl
MgO3 + Al2 = Mg + Al2O3(s) =>
MgO3 + Al2 = Mg + Al2O3(s)
SbCl6{-} + Zn = Sb + Zn{2+} + Cl{-} =>
2 SbCl6{-} + 5 Zn = 2 Sb + 5 Zn{2+} + 12 Cl{-}
H2SO4(aq) + V2O3(s) = V2(SO4)3(aq) + H2O(l) =>
3 H2SO4(aq) + V2O3(s) = V2(SO4)3(aq) + 3 H2O(l)
C4H10 + O2 = CO2 + H2O =>
2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
Cr2O3 = Cr + O2 =>
2 Cr2O3 = 4 Cr + 3 O2
Ca(OH)2 + H2SO4 = CaSO4 + H2O =>
Ca(OH)2 + H2SO4 = CaSO4 + 2 H2O
KMnO4 + C3H5(OH)3 = K2CO3 + MnO + CO2 + H2O =>
14 KMnO4 + 5 C3H5(OH)3 = 7 K2CO3 + 14 MnO + 8 CO2 + 20 H2O
FeCl3 + K4[Fe(CN)6] = KFe[Fe(CN)6] + KCl =>
FeCl3 + K4[Fe(CN)6] = KFe[Fe(CN)6] + 3 KCl
P + O2 = P2O5 =>
4 P + 5 O2 = 2 P2O5
AgNO3 = Ag + NO2 + O2 =>
2 AgNO3 = 2 Ag + 2 NO2 + O2
KOH + BaSO4 = K2SO4Ba(OH)2 =>
2 KOH + BaSO4 = K2SO4Ba(OH)2
Zn + NaOH + H2O = Na2Zn(OH)4 + H21 =>
21 Zn + 42 NaOH + 42 H2O = 21 Na2Zn(OH)4 + 2 H21
Zn + H2SO4 = ZnSO4 + H2 =>
Zn + H2SO4 = ZnSO4 + H2
Al + S8 = Al2S3 =>
16 Al + 3 S8 = 8 Al2S3
OF2 = O2 + F2 =>
2 OF2 = O2 + 2 F2
Mn + H2SO4 = MnSO4 + H2 =>
Mn + H2SO4 = MnSO4 + H2
KMnO4 + H2SO4 = KMnSO4 + H2O + O2 =>
2 KMnO4 + 2 H2SO4 = 2 KMnSO4 + 2 H2O + 3 O2
NaHCO3 = Na2CO3 + CO2 + H2O =>
2 NaHCO3 = Na2CO3 + CO2 + H2O
HCl = Cl + H2 =>
2 HCl = 2 Cl + H2
KJ + MnO2 + H2SO4 = MnSO4 + J2 + K2SO4 + H2O =>
2 KJ + MnO2 + 2 H2SO4 = MnSO4 + J2 + K2SO4 + 2 H2O
PB(CH3COO)2(ac) + HCl(ac) = PBCl2(s) + CH3COOH(ac) =>
PB(CH3COO)2(ac) + 2 HCl(ac) = PBCl2(s) + 2 CH3COOH(ac)
Mg + HCl = MgCl2 + H2() =>
Mg + 2 HCl = MgCl2 + H2()
NaOH = Na2O + H2O =>
2 NaOH = Na2O + H2O
Al + HCl = AlCl3 + H2 =>
2 Al + 6 HCl = 2 AlCl3 + 3 H2
MnCl2 + AcAcH + KMnO4 = Mn(AcAc)3 + KCl + H2O + HCl =>
4 MnCl2 + 15 AcAcH + KMnO4 = 5 Mn(AcAc)3 + KCl + 4 H2O + 7 HCl
Ag + S2 = Ag2S =>
4 Ag + S2 = 2 Ag2S
AuCI3 = Au2 + CI3 =>
2 AuCI3 = Au2 + 2 CI3
Al(C22H22N3O9)3 + NH4OH = NH4C22H22N3O9 + Al(OH)3 =>
Al(C22H22N3O9)3 + 3 NH4OH = 3 NH4C22H22N3O9 + Al(OH)3
NH2 + NO = N2 + H2O =>
NH2 + NO = N2 + H2O
Na2CrO4 + AlCl3 = NaCl + Al2(CrO4)3 =>
3 Na2CrO4 + 2 AlCl3 = 6 NaCl + Al2(CrO4)3
SO2 + I2 + H2O = HI + H2SO4 =>
SO2 + I2 + 2 H2O = 2 HI + H2SO4
(b)Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + KNO3(aq) =>
(b)Pb(NO3)2(aq) + K2CrO4(aq) = PbCrO4(s) + 2 KNO3(aq)
Cr2O3 + CaO = CrCaO + O2 =>
2 Cr2O3 + 4 CaO = 4 CrCaO + 3 O2
MgO + H2SO4 = MgSO4 + H2O =>
MgO + H2SO4 = MgSO4 + H2O
NaOH + Z(NO3)2 = Z(OH)2 + NaNO3 =>
2 NaOH + Z(NO3)2 = Z(OH)2 + 2 NaNO3
K2CrO4 + FeSO4 + HCl = KCl + CrCl3 + FeCl3 + Fe2(SO4)3 + H2O =>
K2CrO4 + 3 FeSO4 + 8 HCl = 2 KCl + CrCl3 + FeCl3 + Fe2(SO4)3 + 4 H2O
CH4S + O2 = CO2 + H2O + SO3 =>
2 CH4S + 7 O2 = 2 CO2 + 4 H2O + 2 SO3
C2H6 + F2 = C2F4 + H2 =>
C2H6 + 2 F2 = C2F4 + 3 H2
Si + S8 = SiS4 =>
2 Si + S8 = 2 SiS4
AgNO3 + K2SO4 = Ag2SO4 + KNO3 =>
2 AgNO3 + K2SO4 = Ag2SO4 + 2 KNO3
Mg(C2H3O2)2 + NH4Br = MgBr2 + NH4(C2H3O2) =>
Mg(C2H3O2)2 + 2 NH4Br = MgBr2 + 2 NH4(C2H3O2)
FeSO4 + KMnO4 + H2SO4 = Fe2(SO4)3 + KSO4 + MnSO4 + H2O =>
4 FeSO4 + KMnO4 + 4 H2SO4 = 2 Fe2(SO4)3 + KSO4 + MnSO4 + 4 H2O
NH3 + NO = N2 + H2O =>
4 NH3 + 6 NO = 5 N2 + 6 H2O
K4[Fe(CN)6] + H2SO4 = HCN + K2SO4 + FeSO4 =>
K4[Fe(CN)6] + 3 H2SO4 = 6 HCN + 2 K2SO4 + FeSO4
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