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1) 2CO()+O2()↔2CO2() ∆H= -556,0
2) Fe3O4()+CO()↔3FeO()+CO2() ∆H= 34,6
3) N2()+O2()↔2NO() ∆H= 180,0
4) C()+2N2O()↔CO2()+N2() ∆H= -558,0
5) 4NH3()+5O2()↔4NO()+6H2O() ∆H= -1122,6
6) 2H2()+O2()↔2H2O() ∆H= -483,6
7) CaCO3 (K) ↔CaO (K) +CO2 () ∆H= 179,0
8) CH4()+2O2()↔2H2O()+CO2() ∆H= -890,3
9) 2SO2()+O2()↔2SO3() ∆H= -198,0
10) 4NH3()+3O2()↔2N2()+6H2O() ∆H= -1530,0
11) C2H5OH()+3O2()↔2H2O()+2CO2() ∆H= -1366,9
12) CO()+H2O()↔CO2()+H2() ∆H= 2,9
13) 4HCl()+O2()↔2H2O()+2Cl2() ∆H= -114,4
14) PCl5()↔PCl3()+2Cl2() ∆H= 92,6
15) 2HI()↔H2()+I2() ∆H= 52,0
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1. , , ?
1. S→SO42─; MnO4─→Mn2+; Cl─→ClO3─; Cr3+→Cr0;
2. Ca→CaO; S2─→S0; ClO─→Cl2; CrO42─→Cr3+;
3. MnO42─→Mn0; P3─→P5+; NO2─→NO3─; Fe2O3→Fe0;
4. Al0→AlO2─; S2─→SO42─; MnO2→Mn0; Pb4+→Pb2+;
5. Mg2+→Mg0; PH3→H3PO4; AlO2─→Al0; Fe6+→Fe3+;
6. P2O5→PH3; MnO4─→Mn0; Fe2+→H2FeO4; Mn2+→MnO2;
7. NH3→NO; FeO→Fe2O3; SnO2→SnO; CrO42─→CrO;
8. ZnO22─→Zn0; PbO→PbO2; NO2─→NH3; CrO42─→Cr0;
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9. BrO3─→Br2; Ni (OH) 3→Ni (OH) 2; MnO2→MnO4─; S0→SO42─;
10. NO2─→NO3─; Al0→AlO33─; Cl2O7→ClO─; Mn4+→MnO42─;
11. Mn2+→MnO42─; Cl7+→HCl; FeO2─→Fe0; SO32─→ SO42─;
12. I2→IO3─; MnO2→Mn0; NO→NH3; H2S→SO2;
13. PO43─→PH3; S2─→SO2; Al0→AlO2─; NO3─→NH3;
14. MnO2→MnO4─; SO42─→SO2; CeO42─→Cr2O3; N2O→ NO3─;
15. N2→NH3; H2S→SO2; MnO4─→MnO2; CrO42─→CrO;
2. , - :
1. Cu+HNO3→Cu (NO3)2+NO+H2O;
HBr+H2SO4→Br2+SO2+H2O;
KClO→KClO3+KCl;
2. Na2SO3→Na2S+Na2SO4;
KCl+KMnO4+H2SO4→Cl2+KCl+MnSO4+H2O;
Zn+HNO3→Zn (NO3)2+N2O+H2O;
3. KMnO4+KNO2+H2O→KNO3+MnO2+KOH;
Br2+KOH→KBr+KBrO3+H2O;
Mg+HNO3→Mg (NO3)2+N2+H2O;
4. Ca3 (PO4)3+C+SiO2→CaSiO3+P+CO;
Na+HNO3→NaNO3+NH4NO3+H2O;
PH3+O2→P2O5+H2O;
5. Ag+HNO3→AgNO3+NO+H2O;
KMnO4+H2S+ H2SO4→K2SO4+S+MnSO4+H2O;
HIO3+HI→I2+H2O;
6. SiO2+HF→SiF4+O2;
NaI+NaIO3+H2SO4→I2+Na2SO4+H2O;
Mg+HNO3→Mg (NO3)2+NH4NO3+H2O;
7. HClO4+H2SO3→HCl+H2SO4;
NH3+O2→NO+H2O;
Cu+HNO3→Cu (NO3)2+NO+H2O;
8. Cl2+H2O→HClO4+HCl;
KI+KMnO4+H2SO4→I2+K2SO4+MnSO4+H2O;
Ni+HNO3→Ni (NO3)2+NO+H2O;
9. NaCl+MnO2+H2SO4→Cl2+Na2SO4+MnSO4+H2O;
KClO3→KCl+O2;
Mg+H2SO4→MgSO4+ H2S+H2O;
10. KMnO4+HCl→KCl+Cl2+MnCl2+H2O;
H2S+HIO3→S+I2+H2O;
Fe+HNO3→Fe (NO3)3+N2+H2O;
11. P+H2SO4→H3PO4+SO2+H2O;
Hg+HNO3→Hg (NO3)2+NO+H2O;
S+KOH→K2S+K2SO4+H2O;
12. Pb+HNO3→Pb (NO3)2+NO+H2O;
NH4NO2→N2+H2O;
K2Cr2O7+H2S+H2SO4→Cr2 (SO4)3+S+K2SO4+H2O;
13. Ca+HNO3→Ca (NO3)2+NH4NO3+H2O;
Br2+KOH→KBr+KBrO3+H2O;
AgNO3→Ag+NO2+O2;
14. CrCl3+H2O2+KOH→KCl+K2CrO4+H2O;
Al+HNO3→Al (NO3)3+NH4NO3+H2O;
V2O5+Ca→V+CaO;
15. As2S3+HNO3→H3AsO4+H2SO4+NO;
Fe (OH)2+O2+H2O→Fe(OH)3
K+H2SO4→K2SO4+H2S+H2O.
3. - , , ? .
1. H2SO4 H2S SO3 (S);
2. Mn KMnO4 MnO2 (Mn);
3. K2Cr2O7 Cr Cr2O3 (Cr);
4. HNO2 NH3 NO (N);
5. Fe Fe2O3 H2FeO4 (Fe);
6. K2MnO4 Mn2O7 MnO (Mn);
7. SO2 S H2SO4 (S);
8. HCl Cl2 HClO4 (Cl);
9. MoO Mo MoO3 (Mo);
10. K2CrO4 Cr NaCrO2 (Cr);
11. HBr HBrO3 Br2 (Br);
12. HNO3 NaNO2 NH3 (N);
13. H2S H2SO4 H2SO3 (S);
14. H2 HCl BaH2 (H2);
15. V V2O5 V2O3 (V).
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