The value of the rate constant is : 0.63 * 10⁻²⁹ s⁻¹ and The unit of the rate constant is : sec⁻¹
The chemical reaction :
C₂H₅Cl ------> C₂H₄(g) + HCl(g)
<h3 /><h3>Determine the value and unit of the rate constant ( K ) </h3>
let the rate of reaction be expressed as
R = k [ C₂H₅Cl ]ⁿ ---- ( 1 )
where : n = order
k = rate constant
From the table
2 = 2ⁿ
therefore n = 1
Hence we can rewrite equation ( 1 ) as
R = k [ C₂H₅Cl ] ¹ ( first order reaction ) ---- ( 2 )
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<u>Next step </u><u>: substitute the value of C₂H₅Cl and initial rate into equation 2 </u>
0.630 * 10⁻³⁰ = k ( 0.1 ) ¹ M
Therefore : K = 0.630 * 10⁻²⁹ s⁻¹
Hence we can conclude that The value of the rate constant is : 0.63 * 10⁻²⁹ s⁻¹ and The unit of the rate constant is : sec⁻¹.
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The phrase which best describes a period on the periodic table is: a row of elements
Periodic table can be defined as an organized tabular arrangement of all the chemical elements arranged in order of increasing atomic number or number of protons, especially in rows.
On a related note, chemical elements with the same number of valence electrons are found in the same column of the periodic table.
In conclusion, the rows of a periodic table are referred to as periods while the columns are referred to as groups.
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Based on the excerpt from "Long Haul," we can deduce that "the long haul" represents: A. the ongoing battle to make the world a better place.
<h3>What is a context clue?</h3>
In English literature, a context clue refers to the hints in a literary work (poem) which is used by a poet to provide the meaning of an unfamiliar word or phrase, that is literally hidden in plain sight.
Based on the excerpt from "Long Haul," we can infer and logically deduce that "the long haul" represents an ongoing battle by the characters to make the world a better place for people to live in.
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