Supply the reagent(s) necessary to complete each transformation depicted below. If multiple steps are required, be sure to numbe
r the order in which you would use the reagents. You do not need to include solvents unless a solvent plays a direct role in the reaction.
1 answer:
Answer:
The transformation was not added. See the attached file for the structure and the answer.
Explanation:
In the first reaction it is normal nucleophilic substitution reaction on the addition of hydrobromide. Hindu second reaction first the Hydroxide Ion attacks on the tertiary carbon because it is more reactive then the anion formed is further converted into carbonyl. And on the addition of methyl iodide we get the required product.
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Answer:
The mass of nitrogen molecule = 45.65 g
Explanation:
The equation for the redox reaction can be represented as follows:
We know that:
numbers of moles = mass/molar mass
For :
number of moles = 50g/92 g/mol
number of moles = 0.5435 mol
For :
number of moles = 45 g/ 32 g/mol
number of moles = 1.40625 mol
From the above equation;
number of moles of needed = 1/2 moles of
= 1/2 × 1.40625 mol
= 0.703125 mol
The amount of present = 0.5435 moles which is less than the needed. As such
is the limiting reagent
The number of moles of nitrogen molecule produced = 3 × (
)
= 3 × 0.5435
= 1.6305 mol
The mass of nitrogen molecule = number of moles of
× molar mass of
The mass of nitrogen molecule = 1.6305 mol × 28 g/mol
The mass of nitrogen molecule = 45.654 g
The mass of nitrogen molecule = 45.65 g
Answer:
See detailed explanation.
Explanation:
Hello.
In this case, since the electron configuration of potassium whose atomic number is 19 turns out:
We can see that the last level is 4 which has one electron, meaning that potassium has one valence electron. Moreover, since bromine's atomic number is 35, its electron configuration is:
We can see that the last level is also 4 and it has 2+5 = 7 valence electrons. In such a way, we infer that the valence electrons are computed by the electrons at the outer or last energy level of an element.
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