Space physics, chromatography and identifying gases

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Last updated 4:47 AM on 8/30/26
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8 Terms

1
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how long is a light year?

9.5 × 1015m

2
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what is the equation for orbital speed, orbital radius and orbital period?

v=2pi x r / T

3
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meniscus

the curved part of the surface of the water

4
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chromatogram

the graph that shows the separated colours

5
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Rf value

the value compares the distance the substance has traveled up compared to the solvent

6
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how do you identify hydrogen

put a flame in the test tube and if you hear a pop it is hydrogen

7
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how do you identify co2

pass it through lime water and it turns it milky

8
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how do you identify chlorine

put damp blue litmus paper and it bleaches it