Answer:
Keq = [H₂]⁴[CSe₂]/[CH₄][H₂Se]².
Explanation:
- The equilibrium constant expression is the ratio of the concentrations of the products over the reactants.
<em>CH₄(g) + 2H₂Se(g) ⇄ 4H₂(g) + CSe₂(g).</em>
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<em>∴ Keq = [products]/[reactants] = [H₂]⁴[CSe₂]/[CH₄][H₂Se]².</em>
Answer is
3) how much mass per unit of volume is in a substance
The Farenheit and Celcius scales can have negative numbers
How will what move? What, exactly, are you asking?
