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emmaty7845
18.07.2019 •
Physics
If 0.40 moles of pcl5 is heated in a 10.0 l container, equilibrium is established in which 0.25 moles of cl2 are present. the reaction is: pcl5(g)\longleftrightarrow ⟺ pcl3(g) + cl2(g) what is the value of the equilibrium constant?
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Ответ:
0.0036
Explanation:
Initial moles of
= 2 mole
Moles of
at equilibrium= 0.25 mole
Volume of container = 10 L
Initial concentration of![PCL_5=\frac{moles}{volume}=\frac{2moles}{10L}=0.2M](/tpl/images/0105/4048/5a2af.png)
equilibrium concentration of![Cl_2=\frac{moles}{volume}=\frac{0.25moles}{10L}=0.025M](/tpl/images/0105/4048/16edf.png)
The given balanced equilibrium reaction is,
Initial conc. 0.2 M 0 0
At eqm. conc. (0.2-x) M xM xM
The expression for equilibrium constant for this reaction will be,
We are given : x = 0.025 M
Now put all the given values in this expression, we get :
Thus the value of the equilibrium constant is 0.0036.
Ответ:
Explanation :
When a ray of light passes through the narrow opening then the light diffracts. The process is known as the diffraction of light.
By examining a wave's pattern after it interacts with a barrier or gap, measurements can be made to better understand diffraction wave phenomena.
After diffracting the light forms a pattern consisting of dark and bright bands.
Hence, the question could be " How diffraction of wave occurs? Explain ".