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(Cu2)S + 12 HNO3 = Cu(NO3)2 + CuSO4 + 10 NO2 + 6 H2O
Ca + AnswerH2O = AnswerCa(OH)2 + AnswerH2 =>
Ca + 2 AnswerH2O = AnswerCa(OH)2 + AnswerH2
CaCO3(s) + HBr(aq) = CaBr2(aq) + H2O(l) + CO2(g) =>
CaCO3(s) + 2 HBr(aq) = CaBr2(aq) + H2O(l) + CO2(g)
C6H12O6 = C2H5OHCO2 =>
C6H12O6 = 2 C2H5OHCO2
HCOOH + H{+} + Cr2O7{2-} = CO2 + H2O + Cr{3+} =>
3 HCOOH + 8 H{+} + Cr2O7{2-} = 3 CO2 + 7 H2O + 2 Cr{3+}
HNO3(aq) + Zn(OH)2(s) = Zn(NO3)2 + H2O =>
2 HNO3(aq) + Zn(OH)2(s) = Zn(NO3)2 + 2 H2O
Al(s) + O = AlO3(s) =>
Al(s) + 3 O = AlO3(s)
S8 + CH4 = CS2 + H2S =>
S8 + 2 CH4 = 2 CS2 + 4 H2S
C6H12O6 = C2H6OCO2 =>
C6H12O6 = 2 C2H6OCO2
KMnO4 + H2SO4 + FeCl2 = Fe2(SO4)3 + HCl + K2SO4 + MnSO4 + H2O =>
2 KMnO4 + 18 H2SO4 + 10 FeCl2 = 5 Fe2(SO4)3 + 20 HCl + K2SO4 + 2 MnSO4 + 8 H2O
KOHNaCl = KClNaOH =>
KOHNaCl = KClNaOH
C7H6O3CH3OH = C8H8O3H2O =>
C7H6O3CH3OH = C8H8O3H2O
Ag2S + Al + NaHCO3 + H2O = Ag + NaAl(OH)4 + Na2S + H2CO3 =>
3 Ag2S + 2 Al + 8 NaHCO3 + 8 H2O = 6 Ag + 2 NaAl(OH)4 + 3 Na2S + 8 H2CO3
KOHHCl = KClH2O =>
KOHHCl = KClH2O
Propane + HCl = CH3Cl + Ethane =>
C3H8 + HCl = CH3Cl + C2H6
Br2 + KOH = BrK + KBrO + H2O =>
Br2 + 2 KOH = BrK + KBrO + H2O
SiO2 + Ca(OH)2 = CaO2 + Si(OH)2 =>
SiO2 + Ca(OH)2 = CaO2 + Si(OH)2
Al2(SO4)3 + Ag = Ag(SO4)3 + Al =>
Al2(SO4)3 + Ag = Ag(SO4)3 + 2 Al
HCl + HClO4 + FeCl2 = H2O + FeCl3 =>
7 HCl + HClO4 + 8 FeCl2 = 4 H2O + 8 FeCl3
KBrO3 + K3AsO4 + H2O = KBr + KAsO4 + KOH =>
KBrO3 + 3 K3AsO4 + 3 H2O = KBr + 3 KAsO4 + 6 KOH
ZnBr2 + AgNO3 = Zn(NO3)2 + AgBr =>
ZnBr2 + 2 AgNO3 = Zn(NO3)2 + 2 AgBr
CH2OO2 = CO2H2O =>
CH2OO2 = CO2H2O
Co2 + Mg = Co2Mg =>
Co2 + Mg = Co2Mg
C5 = C8 =>
8 C5 = 5 C8
C + H2 + OH = C5H11O =>
5 C + 5 H2 + OH = C5H11O
AgNO3(ac) + HCI(ac) = AgCI(s) + HNO3(ac) =>
AgNO3(ac) + HCI(ac) = AgCI(s) + HNO3(ac)
C7H14 + Br2 = C7H14Br2 =>
C7H14 + Br2 = C7H14Br2
FeCl2 + K2SO4 + HCl = FeCl3 + K2SO3 + H2O =>
2 FeCl2 + K2SO4 + 2 HCl = 2 FeCl3 + K2SO3 + H2O
Na2CO3 + Fe(NO3)2 = Fe(CO3) + NaNO3 =>
Na2CO3 + Fe(NO3)2 = Fe(CO3) + 2 NaNO3
KHCO3HCl = KClH2(CO3) =>
KHCO3HCl = KClH2(CO3)
P2O5 + Ca(OH)2 = CaHPO4 + H2O =>
P2O5 + 2 Ca(OH)2 = 2 CaHPO4 + H2O
NiCl2Ca(OH)2 = Ni(OH)2Cl2Ca =>
NiCl2Ca(OH)2 = Ni(OH)2Cl2Ca
NaOH + KMnO4 = H2O + O2 + K2MnO4 + Na2MnO4 =>
4 NaOH + 4 KMnO4 = 2 H2O + O2 + 2 K2MnO4 + 2 Na2MnO4
K2Cr2O7 + HOOCCH2C(OH)(COOH)CH2COOH + H2SO4 = K2SO4 + Cr2(SO)4 + CO2 + H2O =>
9 K2Cr2O7 + 14 HOOCCH2C(OH)(COOH)CH2COOH + 45 H2SO4 = 9 K2SO4 + 9 Cr2(SO)4 + 84 CO2 + 101 H2O
CH3COONH4HCl = CH3COOHNH4Cl =>
CH3COONH4HCl = CH3COOHNH4Cl
C2H4O2 + Cl2 = C2H3O2Cl + HCl =>
C2H4O2 + Cl2 = C2H3O2Cl + HCl
Zn + CH3COOH = ZnO + CH4 + CO =>
Zn + CH3COOH = ZnO + CH4 + CO
MnO4{-} + C2H5OH = MnO2 + CH3CO2H + OH{-} + H2O =>
4 MnO4{-} + 3 C2H5OH = 4 MnO2 + 3 CH3CO2H + 4 OH{-} + H2O
KClNaOH = NaClKOH =>
KClNaOH = NaClKOH
K2CrO4 + Cu2(SO4)2 = K2SO4 + Cu2(CrO4)2 =>
2 K2CrO4 + Cu2(SO4)2 = 2 K2SO4 + Cu2(CrO4)2
MnO2 + Na2CO3 + NaNO3 = Na2MnO4 + NaNO2 + CO2 =>
MnO2 + Na2CO3 + NaNO3 = Na2MnO4 + NaNO2 + CO2
KIO3 + H2SO3 = I2 + H2O + K2SO3 + H2SO4 =>
2 KIO3 + 6 H2SO3 = I2 + H2O + K2SO3 + 5 H2SO4
N2H4 + ClO3 = NO + Cl + H2O =>
3 N2H4 + 4 ClO3 = 6 NO + 4 Cl + 6 H2O
FeCl3 + KI = FeI + KCl3 =>
FeCl3 + KI = FeI + KCl3
S{-2} + I2 = I{-} + S =>
S{-2} + I2 = 2 I{-} + S
O12 = O10 =>
5 O12 = 6 O10
(NH4)2SO4 + NaNH2 = NH3 + Na2SO4 =>
(NH4)2SO4 + 2 NaNH2 = 4 NH3 + Na2SO4
KMnO4 + Na2S + HNO3 = KNO3 + Mn(NO3)2 + Na2SO4 + H2O =>
8 KMnO4 + 5 Na2S + 24 HNO3 = 8 KNO3 + 8 Mn(NO3)2 + 5 Na2SO4 + 12 H2O
Fe3O4(s) = Fe(s) + O2(g) =>
Fe3O4(s) = 3 Fe(s) + 2 O2(g)
C60 = C27 =>
9 C60 = 20 C27
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