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Ratling [72]
3 years ago
11

Do you think that scientists should continue to try to create super-heavy elements and expand the periodic table? Explain why or

why not.
Chemistry
2 answers:
Burka [1]3 years ago
4 0

Answer:

All scientific research helps to generate new knowledge and improve the understanding of what is currently known, so it is important to support all scientific progress as long as it is developed in safe conditions and with the aim of increasing the knowledge of the world that we surrounds and of the universe.

Explanation:

The super-heavy elements are a group of elements of the periodic table that have very large and therefore very heavy nuclei, because of this they are very unstable (sometimes they are only stable less than a second and then they decompose into other atoms more stable) and that is why they have not been discovered so far in nature.

Super-heavy elements are studied in special laboratories as they are created when other atoms of smaller nuclei are "stuck" through a shock that requires a lot of energy. This clash that a new element can generate is achieved after millions of tests are carried out, and in each attempt a lot of information is generated that must be analyzed by super computers in order to determinate whether that attempt was successful (created a new element) or not.

That is why it takes a long time to study and develop new elements, but during this time and through the tests we get very important information that allows us to better understand the behavior of atoms and ratify or assume new theories that advance in the scientific community which may not currently be applicable but in the future.  

Thanks to the past investigations of scientist along the history they discovered all the elements of the current periodic table that allows us to undestand the properties of atoms and their uses for a huge amount of applications.

BaLLatris [955]3 years ago
3 0
But the hunt for new elements started with efforts to develop nuclear power and the atomic bomb during World War II. At the time, uranium was the heaviest known element, sitting at number 92 in the periodic table.

Researchers quickly discovered that when uranium is placed in a nuclear reactor, a complex sequence of interactions leads to the production of several so-called transuranic elements (elements beyond uranium).

Probing around in the debris of the first hydrogen bomb test revealed two further transuranic elements, einsteinium and fermium, bringing the total to an even
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Which cup has more thermal energy?
dybincka [34]

<em>Question: </em><em>Which cup has more thermal energy?</em>

<em>                   A. 2 liter cup of milk</em>

<em>                   B. 1 liter cup of milk</em>

<em>Answer: A. 2 liter cup of milk</em>

<em />

<em>Explanation:</em>

We have milk in both of the containers. The milk in both containers is the same temperature, so we will have to measure the amount of molecules. The amount of molecules makes it warmer, and if it is warmer, that is more energy. 2 liters have more thermal energy than 1 liter, because it has more molecules.

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5 0
2 years ago
A cube is 4 cm on each size .what is it’s volume?
Marizza181 [45]
The answer to your question is :64 cm cubed
4 0
3 years ago
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What amount of energy is required to change a spherical drop of water with a diameter of 1.80 mm to three smaller spherical drop
Gekata [30.6K]
This is a straightforward question related to the surface energy of the droplet. 

<span>You know the surface area of a sphere is 4π r² and its volume is (4/3) π r³. </span>

<span>With a diameter of 1.4 mm you have an original droplet with a radius of 0.7 mm so the surface area is roughly 6.16 mm² (0.00000616 m²) and the volume is roughly 1.438 mm³. </span>

<span>The total surface energy of the original droplet is 0.00000616 * 72 ~ 0.00044 mJ </span>

<span>The five smaller droplets need to have the same volume as the original. Therefore </span>

<span>5 V = 1.438 mm³ so the volume of one of the smaller spheres is 1.438/5 = 0.287 mm³. </span>

<span>Since this smaller volume still has the volume (4/3) π r³ then r = cube_root(0.287/(4/3) π) = cube_root(4.39) = 0.4 mm. </span>

<span>Each of the smaller droplets has a surface area of 4π r² = 2 mm² or 0.0000002 m². </span>

<span>The surface energy of the 5 smaller droplets is then 5 * 0.000002 * 72.0 = 0.00072 mJ </span>
<span>From this radius the surface energy of all smaller droplets is 0.00072 and the difference in energy is 0.00072- 0.00044 mJ = 0.00028 mJ. </span>

<span>Therefore you need roughly 0.00028 mJ or 0.28 µJ of energy to change a spherical droplet of water of diameter 1.4 mm into 5 identical smaller droplets. </span>
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What is solubility in chemistry?
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Answer:

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Explanation:

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