Sample chemistry equations

Question

AB→\underrightarrow{AB}

Note:

  • For chemistry equations equations see https://mhchem.github.io/MathJax-mhchem/
  • For molecule diagrams, use https://pubchem.ncbi.nlm.nih.gov/ (click on "draw structure") then export as svg.

COX2+C→2 CO\ce{CO2 + C -> 2 CO}

HgX2+→IX−HgIX2→IX−[HgXIIIX4]X2−\ce{Hg^2+ ->[I-] HgI2 ->[I-] [Hg^{II}I4]^2-}

Cp[HX2O(l)]=75.3 Jmol KC_p[\ce{H2O(l)}] = \pu{75.3 J // mol K}

x Na(NHX4)HPOX4→Δ(NaPOX3)Xx+x NHX3↑+x HX2O\ce{x Na(NH4)HPO4 ->[\Delta] (NaPO3)_x + x NH3 ^ + x H2O}

ZnX2+⇌+2 HX++2 OHX−Zn(OH)X2↓amphoteres Hydroxid⇌+2 HX++2 OHX−[Zn(OH)X4]X2−Hydroxozikat\ce{Zn^2+ <=>[+ 2OH-][+ 2H+] $\underset{\text{amphoteres Hydroxid}}{\ce{Zn(OH)2 v}}$ <=>[+ 2OH-][+ 2H+] $\underset{\text{Hydroxozikat}}{\ce{[Zn(OH)4]^2-}}$}

SOX4X2−+BaX2+→BaSOX4↓\ce{SO4^2- + Ba^2+ -> BaSO4 v}

ZnX2+⇌+2 HX++2 OHX−Zn(OH)X2↓amphoteres Hydroxid⇌+2 HX++2 OHX−[Zn(OH)X4]X2−Hydroxozikat\ce{Zn^2+ <=>[+ 2OH-][+ 2H+] $\underset{\text{amphoteres Hydroxid}}{\ce{Zn(OH)2 v}}$ <=>[+ 2OH-][+ 2H+] $\underset{\text{Hydroxozikat}}{\ce{[Zn(OH)4]^2-}}$}

Worked Solution

{{{correctAnswer}}}

Variant 0

DifficultyLevel

500

Question

AB→\underrightarrow{AB}

Note:

  • For chemistry equations equations see https://mhchem.github.io/MathJax-mhchem/
  • For molecule diagrams, use https://pubchem.ncbi.nlm.nih.gov/ (click on "draw structure") then export as svg.

COX2+C→2 CO\ce{CO2 + C -> 2 CO}

HgX2+→IX−HgIX2→IX−[HgXIIIX4]X2−\ce{Hg^2+ ->[I-] HgI2 ->[I-] [Hg^{II}I4]^2-}

Cp[HX2O(l)]=75.3 Jmol KC_p[\ce{H2O(l)}] = \pu{75.3 J // mol K}

x Na(NHX4)HPOX4→Δ(NaPOX3)Xx+x NHX3↑+x HX2O\ce{x Na(NH4)HPO4 ->[\Delta] (NaPO3)_x + x NH3 ^ + x H2O}

ZnX2+⇌+2 HX++2 OHX−Zn(OH)X2↓amphoteres Hydroxid⇌+2 HX++2 OHX−[Zn(OH)X4]X2−Hydroxozikat\ce{Zn^2+ <=>[+ 2OH-][+ 2H+] $\underset{\text{amphoteres Hydroxid}}{\ce{Zn(OH)2 v}}$ <=>[+ 2OH-][+ 2H+] $\underset{\text{Hydroxozikat}}{\ce{[Zn(OH)4]^2-}}$}

SOX4X2−+BaX2+→BaSOX4↓\ce{SO4^2- + Ba^2+ -> BaSO4 v}

ZnX2+⇌+2 HX++2 OHX−Zn(OH)X2↓amphoteres Hydroxid⇌+2 HX++2 OHX−[Zn(OH)X4]X2−Hydroxozikat\ce{Zn^2+ <=>[+ 2OH-][+ 2H+] $\underset{\text{amphoteres Hydroxid}}{\ce{Zn(OH)2 v}}$ <=>[+ 2OH-][+ 2H+] $\underset{\text{Hydroxozikat}}{\ce{[Zn(OH)4]^2-}}$}

Worked Solution

SOX4X2−+BaX2+→BaSOX4↓\ce{SO4^2- + Ba^2+ -> BaSO4 v}

Question Type

Multiple Choice (One Answer)

Variables

Variable nameVariable value
correctAnswer
$\ce{SO4^2- + Ba^2+ -> BaSO4 v}$

Answers

Is Correct?Answer
✓

SOX4X2−+BaX2+→BaSOX4↓\ce{SO4^2- + Ba^2+ -> BaSO4 v}