3 years ago

How do scientists know how atoms are structured?

Chemistry

1 answer:

astraxan [27]3 years ago

5 0

Explanation:

i guess it's through thousands of research and experiments they conducted

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One sphere has a radions of 181 cm, another has a radius of 5.01 cm. What is the difference in volume (in cubic centimeters) bet

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Answer:

$2.4*10^{7}cm^{3}$

Explanation:

First you should calculate the volume of a big sphere,so:

$V_{big}=\frac{4}{3}\pi r^{3}$

$V_{big}=\frac{4}{3}\pi (181cm)^{3}$

$V_{big}=2.4*10^{7}cm^{3}$

Then you calculate the volume of a small spehre, so:

$V_{small}=\frac{4}{3}\pi r^{3}$

$V_{small}=\frac{4}{3}\pi (5.01cm)^{3}$

$V_{small}=5.3*10^{2}cm^{3}$

Finally you subtract the two quantities:

$V_{big}-V_{small}=2.4*10^{7}cm^{3}-5.3*10^{2}cm^{3}$

$V_{big}-V_{small}=2.4*10^{7}cm^{3}$

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3 years ago

I don't need to know why i just want the awnser

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Answer:

I remember doing this in 7th,

1. D

2. B or D, more leaning on B though

3. A

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3 years ago

What is the relationship between the kinetic energy of molecules in an object and the object's temperature?

Gennadij [26K]

Answer:

Explanation:

Temperature measures the average kinetic (or motion) energy of the particles within a substance.

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The motion of particles can be changed by the temperature you put it at.

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The proberties of the substances that are produced are different from the properties of the original substances.

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