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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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bdog123 bdog123
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3 years ago
At 200 K, the molecules or atoms of an unknown gas, X, have an average velocity equal to that of Ar atoms at 400 K. What is X? (Assume ideal behavior.)


▸ He

▸ CO

▸ HF

▸ HBr

▸ F2
Textbook 
Chemistry: An Atoms First Approach

Chemistry: An Atoms First Approach


Edition: 3rd
Authors:
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Tiffani372Tiffani372
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3 years ago Edited: 2 years ago, bio_man
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