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AysviL [449]
3 years ago
5

Which is the correct definition of electronegativity?

Chemistry
1 answer:
Mekhanik [1.2K]3 years ago
8 0

Answer:

Electronegativity is defined as the tendency of an atom participating in a covalent bond to attract the bonding electrons

Explanation:

Electronegativity increases and you go up and to the right, making fluorine the most electronegative element.

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Explain why having a thick, heavy chimney is a better idea than a thin, metal chimney for heating a home all winter long, especi
MA_775_DIABLO [31]

The major idea behind why having a thick, heavy chimney over a thin, metal chimney for heating a home for a longer period is because it retains a lot of heat and this means energy saving, hence it fuel efficient and cost effective

A metal is a good conductor of heat, this property will make it easily give out head that is needed to the surrounding especially at night, therefore a thick chimney especially made from clay material will be a better choice over a thin metal

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brainly.com/question/24792291

6 0
3 years ago
How can you write noncontact force in a sentence
Kaylis [27]
Here Is A Sentence You Could Possibly Use:

"The most common usage of non-contact force is weight."

Hope This Helps!

BTW, You May Want A Second Opinion Just In Case! :)
5 0
3 years ago
In an ELISA, the compound 4-chloro-1-naphthol is used because:_______
Gennadij [26K]

Answer:

a. It turns color in the presence of an enzyme that us bound to the secondary antibody.

Explanation:

The compound chloronapthenel is used in the reaction because it changes the color in the presence of an enzyme. It is strong organic compound which is used in biochemical processes.

8 0
3 years ago
Here anwser questions 2 ,4,6 those charts okay I also put how the formula on top solve these problems ! Please help me I geniunu
disa [49]

Answer:

39.5L

Explanation:

4 0
3 years ago
The equation represents the decomposition of a generic diatomic element in its standard state. 12X2(g)⟶X(g) Assume that the stan
aliina [53]

Answer:

K^{2000K}=0.774\\\\K^{3000K}=12.56

Explanation:

Hello,

In this case, considering the reaction, we can compute the Gibbs free energy of reaction at each temperature, taking into account that the Gibbs free energy for the diatomic element is 0 kJ/mol:

\Delta _rG=\Delta _fG_{X}-\frac{1}{2} \Delta _fG_{X_2}=\Delta _fG_{X}

Thus, at 2000 K:

\Delta _rG=\Delta _fG_{X}^{2000K}=4.25kJ/mol

And at 3000 K:

\Delta _rG=\Delta _fG_{X}^{3000K}=-63.12kJ/mol

Next, since the relationship between the equilibrium constant and the Gibbs free energy of reaction is:

K=exp(-\frac{\Delta _rG}{RT} )

Thus, at each temperature we obtain:

K^{2000K}=exp(-\frac{4250J/mol}{8.314\frac{J}{mol\times K}*2000K} )=0.774\\\\K^{3000K}=exp(-\frac{-63120J/mol}{8.314\frac{J}{mol\times K}*3000K} )=12.56

In such a way, we can also conclude that at 2000 K reaction is unfavorable (K<1) and at 3000 K reaction is favorable (K>1).

Best regards.

4 0
3 years ago
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