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White raven [17]
3 years ago
9

which takes more energy, removing an electron from an atom where the nucleus has a tight hold on its electrons, or a weak hold o

n its electron? Explain.
Chemistry
1 answer:
kvv77 [185]3 years ago
4 0
When it has a tight hold it will take more energy to remove an electron because there is a tighter bond among the electrons so it is hard to take away
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A solution of rubbing alcohol is 78.5 % (v/v isopropanol in water. how many milliliters of isopropanol are in a 90.8 ml sample o
poizon [28]
.785 x 90.8mL = 71.3 mL
4 0
3 years ago
Hydroboration can occur when alkenes react with borane. Borane is highly unstable so it exists as diborane or is stabilized with
weeeeeb [17]

Hydroboration addition of borane to a compound across the double bond.

<h3>What is hydroboration?</h3>

The reaction that is called hydroboration could be carried out with an alkene or an alkyne as the case maybe. In each case, the reaction involves the addition of borane to a compound across the double bond. The reaction could further proceed to produce an alkanol.

Let us restate that like most of the organic reactions, this reaction occurs in a sequence of steps and each step of the reaction has a way of bringing us closer to the end product of the entire steps of the reaction take in proper order

As shown in the image attached to this answer, the reaction was carried out in DMS in order to stabilize the borane. We have shown the borane to be a reactant as it adds across the double bond to yield the product.

Learn more about hydroboration:brainly.com/question/11655454

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6 0
2 years ago
What characteristics of sodium and chlorine atoms allow them to form the stable compound sodium chloride, Also known as table sa
katrin2010 [14]
Atoms 'like' to have 8 valence electrones. sodium has one electron 'in excess' and chlorine 'lacks' in one. so they just exchange :) both are happy. then the ionic bond is formed because chlorine is now charged negative (additional electron) and sodium is charged positive (gave up one electrone) - the opposite charges cause electrostatic pull. many atoms, many bonds and thats how salt is built.
3 0
3 years ago
The total number of atoms represented by the formula (NH4)2Cr2O7 is
a_sh-v [17]

Answer:

its 19 I'm pretty sure about

6 0
3 years ago
Read 2 more answers
What is the density of an object with a mass of 60 g and a volume of 2 cm3?
Alexxx [7]

Answer:

<h3>The answer is 30 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 60 g

volume = 2 cm³

We have

density  =  \frac{60}{2}  \\

We have the final answer as

<h3>30 g/cm³</h3>

Hope this helps you

8 0
3 years ago
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