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Jlenok [28]
3 years ago
6

What do we call the experimental apparatus that William crooks used in his experiments and what did he discover

Chemistry
1 answer:
34kurt3 years ago
4 0

Answer: It is called a Crookes Tube, and he used it to discover cathode rays, which were later determined to be electrons.

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a rock weighing 75.0g placed in a graduated cylinder displacing the volume from 31.4 ml to 36.5 ml what is density of the rock i
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Answer:

<span>ρ≅13.0⋅g⋅m<span>L<span>−1</span></span></span> = <span>13.0⋅g⋅c<span>m<span>−3</span></span></span>

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<span>Density=<span>MassPer unit Volume</span></span> = <span><span>75.0⋅g</span><span><span>(36.5−31.4)</span>⋅mL</span></span> <span>=??g⋅m<span>L<span>−1</span></span></span>

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