T402102

From Help:Displaying_a_formula

<chem>{C_\mathit{x}H_\mathit{y}} + \mathit{z}O2 -> {\mathit{x}CO2} + \frac{\mathit{y}}{2}H2O</chem>

Failed to parse (syntax error): {\displaystyle \ce{{C_\mathit{x}H_\mathit{y}} + \mathit{z}O2 -> {\mathit{x}CO2} + \frac{\mathit{y}}{2}H2O}}

Fixed by slight change in syntax

<chem>C_\mathit{x}H_\mathit{y} + \mathit{z}O2 -> {\mathit{x}CO2} + \frac{\mathit{y}}{2}H2O</chem>

$\mathrm{C}{\phantom{A}}_{𝑥}\mathrm{H}{\phantom{A}}_{𝑦}+𝑧\mathrm{O}{\phantom{A}}_2⟶𝑥\text{CO2}+\frac{𝑦}{2}\mathrm{H}{\phantom{A}}_2\mathrm{O}$

<chem>A ->[{}\atop x] B</chem>

Failed to parse (syntax error): {\displaystyle \ce{A ->[{}\atop x] B}}

Fixed by slight change in syntax

<chem>A ->[x] B</chem>

$\mathrm{A}\stackrel{\mathrm{x}}{\to }\mathrm{B}$

<chem>A ->[{}\atop\ce{+H2O}] B</chem>

Failed to parse (syntax error): {\displaystyle \ce{A ->[{}\atop\ce{+H2O}] B}}

Fixed by slight change in syntax

<chem>A ->[\ce{+H2O}] B</chem>

$\mathrm{A}\stackrel{+\mathrm{H}{\phantom{A}}_2\mathrm{O}}{\to }\mathrm{B}$

From Chrysotile

:<chem>\overset{Chrysotile\ (serpentine)}{2Mg3Si2O5(OH)4} ->[{750^\circ C}] [{dehydration}] \overset{Forsterite}{3Mg2SiO4} + \overset{silica}{SiO2} + \overset{water}{4H2O}</chem>

Failed to parse (syntax error): {\displaystyle \ce{\overset{Chrysotile\ (serpentine)}{2Mg3Si2O5(OH)4} ->[{750^\circ C}] [{dehydration}] \overset{Forsterite}{3Mg2SiO4} + \overset{silica}{SiO2} + \overset{water}{4H2O}}}

From Disproportionation

::<chem>{2CH3-\underset{^\bullet}CH2 -> {H2C=CH2} + H3C-CH3}</chem>

Failed to parse (syntax error): {\displaystyle \ce{{2CH3-\underset{^\bullet}CH2 -> {H2C=CH2} + H3C-CH3}}}

From Einsteinium

:<chem>{^{254}_{99}Es} + {^{48}_{20}Ca} -> {^{302}_{119}Uue^\ast} -> no\ atoms</chem>

Failed to parse (syntax error): {\displaystyle \ce{{^{254}_{99}Es} + {^{48}_{20}Ca} -> {^{302}_{119}Uue^\ast} -> no\ atoms}}

Fixed by

:<chem>{}^{254}_{99}Es + {}^{48}_{20}Ca -> {}^{302}_{119}Uue^\ast -> no\ atoms</chem>

${\phantom{A}}_{\phantom{99}}^{\phantom{254}}{\phantom{A}}_{\phantom{2}99}^{\phantom{2}254}\mathrm{E}\mathrm{s}+{\phantom{A}}_{\phantom{20}}^{\phantom{48}}{\phantom{A}}_{\phantom{2}20}^{\phantom{2}48}\mathrm{C}\mathrm{a}⟶{\phantom{A}}_{\phantom{119}}^{\phantom{302}}{\phantom{A}}_{\phantom{2}119}^{\phantom{2}302}\mathrm{U}\mathrm{u}\mathrm{e}{\phantom{A}}^{\ast }⟶\mathrm{n}\mathrm{o}\mathrm{a}\mathrm{t}\mathrm{o}\mathrm{m}\mathrm{s}$

From Ethylene_oxide

: <chem>(CH2CH2)O{} + H2 ->[{}\atop\ce{Ni, Pt, Pd, BH3, LiAlH4}\text{ or other hydrides}] [\ce{80^\circ C}] \underset{ethanol}{C2H5OH}</chem>

Failed to parse (syntax error): {\displaystyle \ce{(CH2CH2)O{} + H2 ->[{}\atop\ce{Ni, Pt, Pd, BH3, LiAlH4}\text{ or other hydrides}] [\ce{80^\circ C}] \underset{ethanol}{C2H5OH}}}

: <chem>(CH2CH2)O{} + H2 ->[{}\atop\ce{{Zn} + CH3COOH}] \underset{ethylene}{CH2=CH2} + H2O</chem>

Failed to parse (syntax error): {\displaystyle \ce{(CH2CH2)O{} + H2 ->[{}\atop\ce{{Zn} + CH3COOH}] \underset{ethylene}{CH2=CH2} + H2O}}

From Gold

<math chem display=block>\ce{Au{} + O3 ->[{}\atop{t<100^\circ\text{C}}] }(\text{no reaction})</math>

Failed to parse (syntax error): {\displaystyle \ce{Au{} + O3 ->[{}\atop{t<100^\circ\text{C}}] }(\text{no reaction})}

<chem display=block>2 Au{} + 3 F2 ->[{}\atop\Delta] 2 AuF3</chem>
<chem display=block>2 Au{} + 3 Cl2 ->[{}\atop\Delta] 2 AuCl3</chem>
<chem display=block>2 Au{} + 2 Br2 ->[{}\atop\Delta] AuBr3{} + AuBr</chem>
<chem display=block>2 Au{} + I2 ->[{}\atop\Delta] 2 AuI</chem>

Failed to parse (syntax error): {\displaystyle \ce{2 Au{} + 3 F2 ->[{}\atop\Delta] 2 AuF3}} Failed to parse (syntax error): {\displaystyle \ce{2 Au{} + 3 Cl2 ->[{}\atop\Delta] 2 AuCl3}} Failed to parse (syntax error): {\displaystyle \ce{2 Au{} + 2 Br2 ->[{}\atop\Delta] AuBr3{} + AuBr}} Failed to parse (syntax error): {\displaystyle \ce{2 Au{} + I2 ->[{}\atop\Delta] 2 AuI}}

<chem display=block>2 Au{} + 6 H2SeO4 ->[{}\atop{200^\circ\text{C}}] Au2(SeO4)3{} + 3 H2SeO3{} + 3 H2O</chem>
<chem display=block>Au{} + 4HCl{} + HNO3 -> HAuCl4{} + NO\uparrow + 2H2O </chem>

Failed to parse (syntax error): {\displaystyle \ce{2 Au{} + 6 H2SeO4 ->[{}\atop{200^\circ\text{C}}] Au2(SeO4)3{} + 3 H2SeO3{} + 3 H2O}} $$\mathrm{A}\mathrm{u}+4\mathrm{H}\mathrm{C}\mathrm{l}+\mathrm{H}\mathrm{N}\mathrm{O}{\phantom{A}}_3⟶\mathrm{H}\mathrm{A}\mathrm{u}\mathrm{C}\mathrm{l}{\phantom{A}}_4+\mathrm{N}\mathrm{O}\uparrow +2\mathrm{H}{\phantom{A}}_2\mathrm{O}$$

From Grignard reagent

<math chem title="Grignard oxygen oxidation pathways" display=block>
\begin{array}{lcrll}
\ce{{R-MgX} + O2 ->}\ {\color{Red}\ce{{R^\bullet} + [O2^\bullet]-}} + \ce{MgX+ ->} & \ce{R-O-O-MgX} & {\color{Gray}+\ \ce{H3O+}} & \ce{-> {R-O-O-H}} &{\color{Gray}+\ \ce{{HO-MgX} + H+}}\\
& \Bigg\downarrow \ce{R-MgX} \\
& \ce{R-O-MgX} & {\color{Gray}+\ \ce{H3O+}} &\ce{-> {R-O-H}} &{\color{Gray}+\ \ce{{HO-MgX} + H+}}\\
\end{array}
</math>

Failed to parse (unknown function "\begin{array}"): {\displaystyle \begin{array}{lcrll} \ce{{R-MgX} + O2 ->}\ {\color{Red}\ce{{R^\bullet} + [O2^\bullet]-}} + \ce{MgX+ ->} & \ce{R-O-O-MgX} & {\color{Gray}+\ \ce{H3O+}} & \ce{-> {R-O-O-H}} &{\color{Gray}+\ \ce{{HO-MgX} + H+}}\\ & \Bigg\downarrow \ce{R-MgX} \\ & \ce{R-O-MgX} & {\color{Gray}+\ \ce{H3O+}} &\ce{-> {R-O-H}} &{\color{Gray}+\ \ce{{HO-MgX} + H+}}\\ \end{array} }

From Sabatier_reaction

:<chem>CO2{} + 4H2 ->[{}\atop 400\ ^\circ\ce{C}][\ce{pressure+catalyst}] CH4{} + 2H2O</chem>{{pad}}∆''H'' = −165.0 kJ/mol

Failed to parse (syntax error): {\displaystyle \ce{CO2{} + 4H2 ->[{}\atop 400\ ^\circ\ce{C}][\ce{pressure+catalyst}] CH4{} + 2H2O}}  ∆H = −165.0 kJ/mol

From Transition_state_theory

: <chem> {A} + {B} <=> {[AB]^\ddagger} -> {P} </chem>

Failed to parse (syntax error): {\displaystyle \ce{ {A} + {B} <=> {[AB]^\ddagger} -> {P} }}

From Receptor–ligand kinetics

:<math chem>K_{\rm a} = {k_\ce{on} \over k_\ce{off}} = \ce{[{RL}] \over {[{R}]\,[{L}]}}</math>.

Failed to parse (syntax error): {\displaystyle K_{\rm a} = {k_\ce{on} \over k_\ce{off}} = \ce{[{RL}] \over {[{R}]\,[{L}]}}} .