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krok68 [10]
3 years ago
7

What two forces act in the nucleus to create a 'nuclear tug-of-war'?

Chemistry
1 answer:
Alex787 [66]3 years ago
5 0

Answer:

Electrostatic repulsion, strong nuclear force

Explanation:

The nucleus consists of protons and neutrons. protons are positively charged while neutrons possess no charge.

Since protons are positively charged, they repel each other strongly (like charges repel). This strong repulsion of like charges makes the nucleus somewhat unstable leading to spontaneous fission of heavy nuclei.

However, an opposing force called nuclear attractive force tends to hold the nucleons together. This attraction occurs when two nucleons are bonded by a particle called a π meson.

Hence, the two forces that act in the nucleus to create a  'nuclear tug-of-war' are electrostatic repulsion and a strong nuclear force.

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1. What is the density of a 75 g block of wood measuring 12 cm x 8 cm x 9 cm?
qwelly [4]

Answer:

0.087 g/cm^3

Explanation:

Density is Mass : Volume.

Volume = 12 x 8 x 9 = 864 cm^3

Mass = 75 g

Density = 75g/864 cm^3 = 0.087 g/cm^3

6 0
3 years ago
The recommended single dose for acetaminophen is 10.0 to 15.0 mg/kg of body weight for adults. Using this guideline, calculate t
marshall27 [118]

Answer:

1.041g is the maximum sigle dose for the person

Explanation:

The maximum dose for acetaminophen is 15.0mg / kg of body weight for adults

To find the maximum single dosage for a person who weighs 153lb we must convert the lb to kg (1lb = 0.4536kg):

153lb * (0.4536kg / 1lb) =<em> 69.4kg is the mass of the person</em>

<em />

As the maximum dose is 15.0mg / kg, the dose of the person is:

69.4kg * (15.0mg acetaminophen / kg) =

<h3>1041mg = 1.041g is the maximum sigle dose for the person</h3>
7 0
3 years ago
When determining the mass of product used or reactant consumed, the number of moles must be determined before comparing two subs
FromTheMoon [43]

Answer:

moles react.

Explanation:

In a chemical reaction equation, we know that chemical species react in moles. It is actually the moles of the individual chemical species that participate in a chemical reaction and not the masses of those species.

In solving stoichiometric problems, it is mandatory to use moles as a conversion factor in calculating the mass of product formed or the mass of reactant consumed. We often read off the number of moles that reacted from the balanced reaction equation and then convert the reacting mass of species given to the number of moles of that specie that actually participated in the reaction in order to obtain any required information from a reaction.

7 0
4 years ago
Read 2 more answers
How many formula units are there in 20.6 moles of Al(NO3)3?
Ket [755]

Answer:

How many moles Al(NO3)3 in 1 grams? The answer is 0.0046949186022713.

We assume you are converting between moles Al(NO3)3 and gram.

You can view more details on each measurement unit:

molecular weight of Al(NO3)3 or grams

This compound is also known as Aluminium Nitrate.

The SI base unit for amount of substance is the mole.

1 mole is equal to 1 moles Al(NO3)3, or 212.996238 grams.

Note that rounding errors may occur, so always check the results.

Use this page to learn how to convert between moles Al(NO3)3 and gram.

Type in your own numbers in the form to convert the units!

Explanation:

5 0
3 years ago
(3×10^6)^2<br>write in scientific notation
umka2103 [35]
The answer to the question

6 0
3 years ago
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