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Pani-rosa [81]
3 years ago
8

Ill give u brainliest help asap!

Chemistry
2 answers:
exis [7]3 years ago
8 0

light year and astronomical unit (a.u.)

Natali5045456 [20]3 years ago
4 0
Parsecs and arcseconds is your answer
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Answer:

A

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How many grams are in 1 mole of Ar?
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3 years ago
Predict the empirical formula of these compounds. a. C2N2. b. P4O10. c. N2O5. d. NaCl. e. C9H20. f. B2H6. g. K2Cr2O7. h. Al2Br6.
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The empirical formula is the simplest form of the formula expressed in the lowest ratio. In this case, we just have to divide each subscript by the greatest common factor. Hence.
a. CN
b. P2O5
c.N2O5
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g.K2Cr2O7
h.AlB3
i.CH
j.SiCl4
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3 years ago
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