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marishachu [46]
3 years ago
13

What is the temperature at which all molecular motion stops and there is no thermal energy?

Chemistry
2 answers:
Gnesinka [82]3 years ago
5 0
Dndndndznjdjfjf fndifnfnfifkfmfjf
Naya [18.7K]3 years ago
4 0
............?????????????ah
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(a) 4.64 x 1024 atoms Bi into grams
nexus9112 [7]

Answer:

1610.7 g is the weigh for 4.64×10²⁴ atoms of Bi

Explanation:

Let's do the required conversions:

1 mol of atoms has 6.02×10²³ atoms

Bi → 1 mol of bismuth weighs 208.98 grams

Let's do the rules of three:

6.02×10²³ atoms are the amount of 1 mol of Bi

4.64×10²⁴ atoms are contained in (4.64×10²⁴ . 1) /6.02×10²³ = 7.71 moles

1 mol of Bi weighs 208.98 g

7.71 moles of Bi must weigh (7.71 . 208.98 ) /1 = 1610.7 g

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3 years ago
Give examples of simple machines advantage and disadvantage
ra1l [238]
Simple machines help reduce the amount of work being done, as they help by using a simple function. One disadvantage is that they do not help completely. 
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3 years ago
Please help me!!!!!!!!
Semmy [17]
Surface runoff, its quite obvious in the picture

3 0
3 years ago
Atoms of elements at the top of a group on the periodic table are smaller than the atoms of elements at the bottom of the group.
boyakko [2]

Answer:

Explanation:

As we move down the group atomic radii increased with increase of atomic number. The addition of electron in next level cause the atomic radii to increased. The hold of nucleus on valance shell become weaker because of shielding of electrons thus size of atom increased.

As the size of atom increases the ionization energy from top to bottom also  decreases because it becomes easier to remove the electron because of less nuclear attraction and as more electrons are added the outer electrons becomes more shielded and away from nucleus.  

On left side of periodic table atoms of metals are more reactive by loosing the electrons or we can say metals are more reactive by loosing the electrons so their reactivity increase down the group because of easily  removal of electrons.

On right side of periodic table atoms of nonmetals are more reactive by gaining the electrons. As we move down the group nuclear attraction becomes smaller because of shielding thus electron are less attracted by nucleus and reactivity decreases.

7 0
3 years ago
These are three theorized causes of A) glacial melting. B) changing of the climate. C) high and low ocean tides. D) movement of
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actually its D) movement of tectonic plates

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