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Art [367]
3 years ago
7

Check out this app! It's millions of students helping each other get through their schoolwork. https://brainly.app.link/qpzV02Ma

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Chemistry
1 answer:
marishachu [46]3 years ago
8 0

Answer:

why did you post a link to brainly when we are on brainly already??????

Explanation:

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Phosphorous pentachloride decomposes according to the reaction
guajiro [1.7K]

Answer: The equilibrium constant, K_c, for the reaction is 0.061.

Explanation:

Initial concentration of PCl_5  = \frac{\text {given mass}}{\text {Molar mass}\times Volume in L}}=\frac{12.3g}{208.2g/mol\times 1.50L}=0.039M  

Equilibrium concentration of PCl_5 = \frac{31.8}{100}\times 0.039=0.012M  

The given balanced equilibrium reaction is,

                            PCl_5(g)\rightleftharpoons PCl_3(g)+Cl_2(g)

Initial conc.              0.039 M                0 M        0 M

At eqm. conc.     (0.039-x) M              (x) M   (x) M

Given : (0.039-x) = 0.012

x = 0.027

The expression for equilibrium constant for this reaction will be,

K_c=\frac{[Cl_2]\times [PCl_3]}{[PCl_5]}

Now put all the given values in this expression, we get :

K_c=\frac{0.027\times 0.027}{0.012}=0.061

The equilibrium constant, K_c, for the reaction is 0.061.

4 0
3 years ago
If the electronnegavity difference between elements A and X is 0.8, the bond in AX will most likely be what?
siniylev [52]

Answer:

Polar covalent bond

Explanation:

When the electronegativity difference between two elements A and X is 0.8, the bond AX formed will most likely be a polar covalent bond.

A polar covalent bond is one whose electronegativity difference is between 0.5 and 2.1.

In such a bond type, we have heteronuclear species with one of the species having a higher electronegativity value.

  • When electronegativity difference is less than 0.5, a non-polar covalent bond forms.
  • If the value is greater than 2.1, an ionic bond will form.
8 0
3 years ago
What is the relationship between pressure and temperature
hoa [83]

Answer:

The Pressure Temperature Law. This law states that the pressure of a given amount of gas held at constant volume is directly proportional to the Kelvin temperature. With an increase in temperature, the pressure will go up.

Explanation:

7 0
3 years ago
You and everything around you are made up of matter. What is matter made up of?
aivan3 [116]
A: Atoms and molecules is the correct answer.
3 0
3 years ago
Read 2 more answers
Compute <br> 6.28x10 ^13+7.30x10^11 <br> answer three digits.
podryga [215]
Your answer is 161.94
7 0
3 years ago
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