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Irina18 [472]
3 years ago
13

Using the data, which of the following is the rate constant for the rearrangement of methyl isonitrile at 320 ∘C? (HINT: the act

ivation energy for this reaction is 160 kJ/mol) T(K) 1/T(K−1) ln k 462.9 2.160×10−3 -10.589 472.1 2.118×10−3 -9.855 503.5 1.986×10−3 -7.370 524.4 1.907×10−3 -5.757 Using the data, which of the following is the rate constant for the rearrangement of methyl isonitrile at 320 ? (HINT: the activation energy for this reaction is 160 ) ln 462.9 -10.589 472.1 -9.855 503.5 -7.370 524.4 -5.757 8.1×10−15 s−1 2.2×10−13 s−1 2.7×10−9 s−1 2.0×10−1 s−1 9.2×103 s−1

Chemistry
1 answer:
svp [43]3 years ago
3 0

Explanation:

Below is an attachment containing the solution.

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Answer to your question.

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A sucrose solution is prepared to a final concentration of 0.250 M . Convert this value into terms of g/L, molality, and mass %.
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Answer:

A. 85.6 g

= 0.0856 kg.

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C. 8.39 %

Explanation:

Given:

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Molar weight of sucrose = 342.296 g/mol

Density of solution = 1.02 g/mL

Mass of water = 934.4 g.

Density in g/l = 1.020 g/ml * 1000ml/1 l

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A.

Density of sucrose = mass/volume

= molar mass/molar concentration

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B.

Molality = number of moles of solute/mass of solvent

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= 0.00027 mol/g

C.

% mass of sucrose = mass of sucrose/total mass of solution * 100

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.ANSWER:Copper is a ductile metal

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Answer:

The correct answer is: “The Roman army grew in size and became dominant in the Mediterranean region”.

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