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States of MatterMCQ

According to the following information, in what physical state(s) does bromine exist at –7.4 ˚C and States of Matter Chemistry Question

Question

According to the following information, in what physical state(s) does bromine exist at –7.4 ˚C and 400 mm Hg? [Triple point –7.3 ˚C, 44 mm Hg Liquid density 3.1 g•cm–3, Solid density 3.4 g•cm–3]

A.

solid only

✓ Correct
B.

liquid only

C.

liquid and solid only

D.

gas, liquid, and solid

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