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3 years ago

Plastic are made of one type material. why are they not classified as a composite

1 answer:

7 0

It's because plastic is not a composite, it's actually a compound. Composites are actually a mixture of different types of materials.

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The equilibrium constant, Kp, for the following reaction is 10.5 at 350 K: 2CH2Cl2(g) CH4(g) CCl4(g) Calculate the equilibrium p

Ostrovityanka [42]

The complete question is as follows: The equilibrium constant, Kp, for the following reaction is 10.5 at 350 K: 2CH2Cl2(g) CH4(g) + CCl4(g) Calculate the equilibrium partial pressures of all species when CH2Cl2(g) is introduced into an evacuated flask at a pressure of 0.968 atm at 350 K. PCH2Cl2 = atm PCH4 = atm PCCl4 = atm

Answer: The equilibrium partial pressures of all species, that is, $CH_{4}$ , $CCl_{4}$ and $CH_{2}Cl_{2}$ is 0.420 atm, 0.420 atm and 0.128 atm.

Explanation:

For the given reaction equation, the initial and equilibrium concentration of involved species is as follows.

$2CH_{2}Cl_{2}(g) \rightarrow CH_{4}(g) + CCl_{4}(g)\\$

Initial: 0.968 atm 0 0

Equilibrium: (0.968 - 2x) x x

Now, $K_{p}$ for this reaction is as follows.

$K_{p} = \frac{P_{CH_{4}}P_{CCl_{4}}}{P^{2}_{CH_{2}Cl_{2}}}\\10.5 = \frac{x \times x}{(0.968 - 2x)^{2}}\\x = 0.420$

$P_{CH_{4}} = x = 0.420 atm\\P_{CCl_{4}} = x = 0.420 atm\\P_{CH_{2}Cl_{2}} = (0.968 atm - 2x) = (0.968 atm - 2(0.420)) = 0.128 atm$

Thus, we can conclude that the equilibrium partial pressures of all species, that is, $CH_{4}$ , $CCl_{4}$ and $CH_{2}Cl_{2}$ is 0.420 atm, 0.420 atm and 0.128 atm.

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3 years ago

Which object has the greatest volume

Leya [2.2K]

Answer:

joe mama

Explanation:

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3 years ago

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WARRIOR [948]

HCl + NaOH -> NaCl + H2O

reactants: hydrochloric acid HCl

sodium hydroxide NaOh

products: sodium chloride (table salt) NaCl

dihydrogen monoxide (water)

H2O

7 0

3 years ago

Draw all resonance structures for the nitryl fluoride molecule, no2f.

denis-greek [22]

From electronic configuration valence electron of Nitrogen is 5, oxygen 6x2 which 12 since it involve two molecules , that of is frulorine is 7, and that No2F is 24 which is gotten form adding (5,12,7 ).All resonance structure are as follows
F
.. I ..
: O : N :O:

..
OR : F:
I

N .. : F:

/ \ or I

.. .. N

:O :        :O:    / /    \\
    / /    \\
     :O : : O:

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4 years ago

What is the volume of 0.284g of carbon dioxide at STP ??

coldgirl [10]

Answer:

Explanatio

NCO2= 0, 248 /44= 0 ,005636

VCO2= 0,005636* 22,4= 0 ,126254545

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3 years ago