Kevin draws a lewis structure for the molecule of ozone, o3. later on that day, he draws another one for a friend to show what h
e's learned in school. when he compares the two drawings, he notices they look different. he runs to the teacher the next day to ask her which one is right. smiling, she answers, "they're both correct." explain why this is.
2 answers:
Explanation:
A structure that represents bonding between the atoms of the molecule and the lone pair of electrons existing in the structure or molecule is known as a lewis structure.
Therefore, when Kevin's teacher said that both the structures drawn by him are correct then it means that Kevin has drawn the lewis structure of the compound which showed different arrangement of electrons and lone pairs but they are actually the same.
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Explanation:
The given data is as follows.
n = 1 mol,
Q = 1500 J, R = 8.314 J/mol k
(a)
And, according to the first law of thermodynamics
And, in an isothermal process the change in internal energy of the gas is zero.
Hence, 0 = Q - W
or, W = Q
Expression for work done in an isothermal process is as follows.
W =
As W = Q, Hence expression for Q will also be given as follows.
Q =
Now,
[/tex]\Delta S = nR ln \frac{V_{f}}{V_{i}}[/tex]
=
= nR ln 2
=
= 5.76 J/K
Therefore, change in entropy is 5.76 J/K.
(b) As, Q =
=
= nRT ln 2
T =
=
= 260.4 K
Therefore, temperature of the gas is 260.4 K.