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Table B.1
Chemical surface reactions r assumed to form the solid materials s.
| Index r | Solid s | Surface reaction | Key species |
|---|---|---|---|
| 1 | TiO2 [s] | TiO2 → TiO2 [s] | TiO2 |
| 2 | rutile | Ti + 2 H2 O → TiO2 [s] + 2 H2 | Ti |
| 3 | (1) | TiO + H2 O → TiO2 [s] + H2 | TiO |
| 4 | TiS + 2 H2 O → TiO2 [s] + H2S + H2 | TiS | |
| 5 | SiO2 [s] | SiH + 2 H2 O → SiO2 [s] + 2 H2 + H | SiH |
| 6 | silica | SiO + H2 O → SiO2 [s] + H2 | SiO |
| 7 | (3) | SiS + 2 H2 O → SiO2 [s] + H2S + H2 | SiS |
| 8 | SiO[s] | SiO → SiO[s] | SiO |
| 9 | silicon mono-oxide | 2 SiH + 2 H2 O → 2 SiO[s] + 3 H2 | SiH |
| 10 | (2) | SiS + H2 O → SiO[s] + H2 S | SiS |
| 11 | Fe[s] | Fe → Fe[s] | Fe |
| 12 | solid iron | FeO + H2 → Fe[s] + H2 O | FeO |
| 13 | (1) | FeS + H2 → Fe[s] + H2 S | FeS |
| 14 | Fe(OH)2 + H2 → Fe[s] + 2 H2O | Fe(OH)2 | |
| 15 | 2 FeH → 2 Fe[s] + H2 | FeH | |
| 16 | FeO[s] | FeO → FeO[s] | FeO |
| 17 | iron (II) oxide | Fe + H2 O → FeO[s] + H2 | Fe |
| 18 | (3) | FeS + H2 O → FeO[s] + H2 S | FeS |
| 19 | Fe(OH)2 → FeO[s] + H2 | Fe(OH)2 | |
| 20 | 2 FeH + 2 H2 O → 2 FeO[s] + 3 H2 | FeH | |
| 21 | FeS[s] | FeS → FeS[s] | FeS |
| 22 | iron sulphide | Fe + H2 S → FeS[s] + H2 | Fe |
| 23 | (3) | FeO + H2 S → FeS[s] + H2 O | min{FeO, H2S} |
| 24 | Fe(OH)2 + H2 S → FeS[s] + 2 H2O | min{Fe(OH)2, H2S} | |
| 25 | 2 FeH + 2 H2 S → 2 FeS[s] + 3 H2 | min{FeH, H2S} | |
| 26 | Fe2 O3 [s] | 2 Fe + 3 H2 O → Fe2 O3 [s] + 3 H2 | ½Fe |
| 27 | iron (III) oxide | 2 FeO + H2 O → Fe2 O3 [s] + H2 | ½FeO |
| 28 | (3) | 2 FeS + 3 H2 O → Fe2 O3[s] + 2 H2S + H2 | ½FeS |
| 29 | 2 Fe(OH)2 → Fe2 O3 [s] + H2O + H2 | ½Fe(OH)2 | |
| 30 | 2 FeH + 3 H2 O → Fe2 O3 [s] + 4 H2 | ½FeH | |
| 31 | MgO[s] | Mg + H2 O → MgO[s] + H2 | Mg |
| 32 | periclase | 2 MgH + 2 H2 O → 2 MgO[s] + 3 H2 | ½MgH |
| 33 | (3) | 2 MgOH → 2 MgO[s] + H2 | ½MgOH |
| 34 | Mg(OH)2 → MgO[s] + H2 O | Mg(OH)2 | |
| 35 | MgSiO3 [s] | Mg + SiO + 2 H2 O → MgSiO3 [s] + H2 | min{Mg, SiO} |
| 36 | enstatite | Mg + SiS + 3 H2 O → MgSiO3 [s] + H2S + 2 H2 | min{Mg, SiS} |
| 37 | (3) | 2 Mg + 2 SiH + 6 H2 O → 2 MgSiO3 [s] + 7 H2 | min{Mg, SiH} |
| 38 | 2 MgOH + 2 SiO + 2 H2 O → 2 MgSiO3 [s] + 3 H2 | min{½MgOH, ½SiO} | |
| 39 | 2 MgOH + 2 SiS + 4 H2 O → 2 MgSiO3 [s] + 2 H2S + 3 H2 | min{½MgOH, ½SiS} | |
| 40 | MgOH + SiH + 2 H2 O → MgSiO3 [s] + 3 H2 | min{½MgOH, ½SiH} | |
| 41 | Mg(OH)2 + SiO → 2 MgSiO3 [s] + H2 | min{Mg(OH)2, SiO} | |
| 42 | Mg(OH)2 + SiS + H2 O → MgSiO3 [s] + H2S+ H2 | min{Mg(OH)2, SiS} | |
| 43 | 2 Mg(OH)2 + 2 SiH + 2 H2 O → 2 MgSiO3[s] + 5 H2 | min{Mg(OH)2, SiH} | |
| 44 | 2 MgH + 2 SiO + 4 H2 O → 2 MgSiO3 [s]+ 5 H2 | min{MgH, SiO} | |
| 45 | 2 MgH + 2 SiS + 6 H2 O → 2 MgSiO3 [s]+ 2 H2S + 5 H2 | min{MgH, SiS} | |
| 46 | MgH + SiH + 3 H2 O → MgSiO3 [s]+ 4 H2 | min{MgH, SiH} | |
| 47 | Mg2 SiO4 [s] | 2 Mg + SiO + 3 H2 O → Mg2 SiO4 [s] + 3 H2 | min{½Mg, SiO} |
| 48 | forsterite | 2 MgOH + SiO + H2 O → Mg2 SiO4 [s] + 2 H2 | min{½MgOH, SiO} |
| 49 | (3) | 2 Mg(OH)2 + SiO → Mg2 SiO4 [s] + H2O + H2 | min{½Mg(OH)2, SiO} |
| 50 | 2 MgH + SiO + 3 H2 O → Mg2 SiO4 [s] + 4 H2 | min{½MgH, SiO} | |
| 51 | 2 Mg + SiS + 4 H2 O → Mg2 SiO4 [s] + H2S + 3 H2 | min{½Mg, SiS} | |
| 52 | 2 MgOH + SiS + 2 H2 O → Mg2 SiO4[s] + H2S + 2 H2 | min{½MgOH, SiS} | |
| 53 | 2 Mg(OH)2 + SiS → Mg2 SiO4 [s] + H2 + H2S | min{½Mg(OH)2, SiS} | |
| 54 | 2 MgH + SiS + 4 H2 O → Mg2 SiO4 [s] + H2S + 4 H2 | min{½MgH, SiS} | |
| 55 | 4 Mg + 2 SiH + 8 H2 O → 2 Mg2 SiO4[s] + 9 H2 | min{½Mg, SiH} | |
| 56 | 4 MgOH + 2 SiH + 4 H2 O → 2 Mg2 SiO4[s] + 7 H2 | min{½MgOH, SiH} | |
| 57 | 4 Mg(OH)2 + 2 SiH → 2 Mg2 SiO4 [s] + 5 H2 | min{½Mg(OH)2, SiH} | |
| 58 | 4 MgH + 2 SiH + 8 H2 O → 2 Mg2 SiO4[s] + 11 H2 | min{½MgH, SiS} | |
| 59 | Al2 O3 [s] | 2 Al + 3 H2 O → Al2 O3 [s] + 3 H2 | ½Al |
| 60 | aluminia | 2 AlOH + H2 O → Al2 O3 [s] + 2 H2 | ½AlOH |
| 61 | (3) | 2 AlH + 3 H2 O → Al2 O3 [s] + 4 H2 | ½AlH |
| 62 | Al2 O + 2 H2 O → Al2 O3[s] + 2 H2 | Al2O | |
| 63 | 2 AlO2 H → Al2 O3 [s] + H2O | ½AlO2H | |
| 64 | CaTiO3 [s] | Ca + Ti + 3 H2 O → CaTiO3 [s] + 3 H2 | min{Ca, Ti} |
| 65 | perovskite | Ca + TiO + 2 H2 O → CaTiO3 [s] + 2 H2 | min{Ca, TiO} |
| 66 | (3) | Ca + TiO2 + H2 O → CaTiO3 [s] + H2 | min{Ca, TiO2} |
| 67 | Ca + TiS + 3 H2 O → CaTiO3 [s] +H2S + 2 H2 | min{Ca, TiS} | |
| 68 | CaO + Ti + 2 H2 O → CaTiO3 [s] + 2 H2 | min{CaO, Ti} | |
| 69 | CaO + TiO + H2 O → CaTiO3 [s] + H2 | min{CaO, TiO} | |
| 70 | CaO + TiO2 → CaTiO3 [s] | min{CaO, TiO2} | |
| 71 | CaO + TiS + 2 H2 O → CaTiO3 [s] + H2S + H2 | min{CaO, TiO} | |
| 72 | CaS + Ti + 3 H2 O → CaTiO3 [s] +H2S + H2 | min{CaS, Ti} | |
| 73 | CaS + TiO + 2 H2 O → CaTiO3 [s] + H2S + 2 H2 | min{CaS, TiO} | |
| 74 | CaS + TiO2 + H2 O → CaTiO3[s] + H2S | min{CaS, TiO2} | |
| 75 | CaS + TiS + 3 H2 O → CaTiO3 [s] + 2 H2S + H2 | min{CaS, TiO} | |
| 76 | Ca(OH)2 + Ti + H2 O → CaTiO3[s] + 2 H2 | min{Ca(OH)2, Ti} | |
| 77 | Ca(OH)2 + TiO → CaTiO3 [s] + H2 | min{Ca(OH)2, TiO} | |
| 78 | Ca(OH)2 + TiO2 → CaTiO3[s] + H2O | min{Ca(OH)2, TiO2} | |
| 79 | Ca(OH)2 + TiS + H2 O → CaTiO3[s] + H2S + H2 | min{Ca(OH)2, TiO} | |
| 80 | 2 CaH + 2 Ti + 6 H2 O → 2 CaTiO3 [s] + 7 H2 | min{CaH, Ti} | |
| 81 | 2 CaH + 2 TiO + 4 H2 O → 2 CaTiO3 [s] + 5 H2 | min{CaH, TiO} | |
| 82 | 2 CaH + 2 TiO2 + 2 H2 O → 2 CaTiO3[s] + 3 H2 | min{CaH, TiO2} | |
| 83 | 2 CaH + 2 TiS + 6 H2 O → 2 CaTiO3 [s] + 2 H2S + 5 H2 | min{CaH, TiS} | |
| 84 | 2 CaOH + 2 Ti + 4 H2 O → 2 CaTiO3 [s] + 5 H2 | min{CaOH, Ti} | |
| 85 | 2 CaOH + 2 TiO + 2 H2 O → 2 CaTiO3 [s] + 3 H2 | min{CaOH, TiO} | |
| 86 | 2 CaOH + 2 TiO2 → 2 CaTiO3 [s] + H2 | min{CaOH, TiO2} | |
| 87 | 2 CaOH + 2 TiS + 4 H2 O → 2 CaTiO3 [s] + 2 H2S + 3 H2 | min{CaOH, TiS} | |
| 88 | CaSiO3 [s] | Ca + SiO + 2 H2 O → CaSiO3 [s] + 2 H2 | min{Ca, SiO} |
| 89 | Wollastonite | Ca + SiS + 3 H2 O → CaSiO3 [s] + H2S + 2 H2 | min{Ca, SiS} |
| 90 | (4) | 2 Ca + 2 SiH + 6 H2 O → 2 CaSiO3 [s] + 7 H2 | min{Ca, SiH} |
| 91 | CaO + SiO + 1 H2 O → CaSiO3 [s] + H2 | min{CaO, SiO} | |
| 92 | CaO + SiS + 2 H2 O → CaSiO3 [s] + H2S + H2 | min{CaO, SiS} | |
| 93 | 2 CaO + 2 SiH + 4 H2 O → 2 CaSiO3 [s] + 5 H2 | min{CaO, SiH} | |
| 94 | CaS + SiO + 2 H2 O → CaSiO3 [s] + H2S + H2 | min{CaS, SiO} | |
| 95 | CaS + SiS + 3 H2 O → CaSiO3 [s] + 2 H2S + H2 | min{CaS, SiS} | |
| 96 | 2 CaS + 2 SiH + 6 H2 O → 2 CaSiO3 [s] + 2 H2S + 5 H2 | min{CaS, SiH} | |
| 97 | 2 CaOH + 2 SiO + 2 H2 O → 2 CaSiO3 [s] + 5 H2 | min{CaOH, SiO} | |
| 98 | 2 CaOH + 2 SiS + 4 H2 O → 2 CaSiO3 [s] + 2 H2S + 3 H2 | min{CaOH, SiS} | |
| 99 | CaOH + SiH + 2 H2 O → CaSiO3 [s] + 3 H2 | min{CaOH, SiH} | |
| 100 | Ca(OH)2 + SiO → CaSiO3 [s] + H2 | min{Ca(OH)2, SiO} | |
| 101 | Ca(OH)2 + SiS + H2 O → CaSiO3 [s] + H2S + H2 | min{Ca(OH)2, SiS} | |
| 102 | 2 Ca(OH)2 + 2 SiH + 2 H2 O → 2 CaSiO3[s] + 5 H2 | min{Ca(OH)2, SiH} | |
| 103 | 2 CaH + 2 SiO + 4 H2 O → 2 CaSiO3 [s] + 5 H2 | min{CaH, SiO} | |
| 104 | 2 CaH + 2 SiS + 6 H2 O → 2 CaSiO3 [s] + 2 H2S + 5 H2 | min{CaH, SiS} | |
| 105 | CaH + SiH + 3 H2 O → CaSiO3 [s] + 4 H2 | min{CaH, SiH} | |
| 106 | Fe2 SiO4 [s] | 2 Fe + SiO + 3 H2 O → Fe2 SiO4 [s] + 3 H2 | min{½Fe, SiO} |
| 107 | Fayalite | 2 Fe + SiS + 4 H2 O → Fe2 SiO4 [s] + H2S + 3 H2 | min{½Fe, SiS} |
| 108 | (4) | 4 Fe + 2 SiH + 8 H2 O → 2 Fe2 SiO4 [s] + 9 H2 | min{½Fe, SiH} |
| 109 | 2 FeO + SiO + H2 O → Fe2 SiO4 [s] + H2 | min{½FeO, SiO} | |
| 110 | 2 FeO + SiS + 2 H2 O → Fe2 SiO4 [s] + H2S + H2 | min{½FeO, SiS} | |
| 111 | 4 FeO + 2 SiH + 4 H2 O → 2 Fe2 SiO4 [s] + 5 H2 | min{½FeO, SiH} | |
| 112 | 2 FeS + SiO + 3 H2 O → Fe2 SiO4 [s] + 2 H2S + H2 | min{½FeS, SiO} | |
| 113 | 2 FeS + SiS + 4 H2 O → Fe2 SiO4 [s] + 3 H2S + H2 | min{½FeS, SiS} | |
| 114 | 4 FeS + 2 SiH + 8 H2 O → 2 Fe2 SiO4 [s] + 4 H2S + 5 H2 | min{½FeS, SiH} | |
| 115 | 2 Fe(OH)2 + SiO → Fe2 SiO4 [s] + H2O + H2 | min{½Fe(OH)2, SiO} | |
| 116 | 2 Fe(OH)2 + SiS → Fe2 SiO4 [s] + H2S + H2 | min{½Fe(OH)2, SiS} | |
| 117 | 4 Fe(OH)2 + 2 SiH → 2 Fe2 SiO4 [s] + 5 H2 | min{½Fe(OH)2, SiH} | |
| 118 | 2 FeH + SiO + 3 H2 O → Fe2 SiO4 [s] + 4 H2 | min{½FeH, SiO} | |
| 119 | 2 FeH + SiS + 4 H2 O → Fe2 SiO4 [s] + H2S + 4 H2 | min{½Fe(OH)2, SiS} | |
| 120 | 4 FeH + 2 SiH + 8 H2 O → 2 Fe2 SiO4 [s] + 11 H2 | min{½Fe(OH)2, SiH} | |
| 121 | C[s] | C → C[s] | C |
| 122 | Carbon | C2 → 2 C[s] | C2 |
| 123 | (4) | C3 → 3 C[s] | C3 |
| 124 | 2 C2 H → 4 C[s] + H2 | ½C2H | |
| 125 | C2 H2 → 2 C[s] + H2 | C2H2 | |
| 126 | CH4 → C[s] + 2 H2 | ½CH | |
Notes. The reaction efficiency is limited by the collision rate of the key species, which has the lowest abundance among the reactants. The notation ½ in the r.h.s. column means that only every second collision (and sticking) event initiates one reaction.
References. Data sources for the supersaturation ratios (and saturation vapour pressures): (1) Helling & Woitke (2006), (2) Nuth & Ferguson (2006), (3) Sharp & Huebner (1990), and (4) Woitke et al. (2018).
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