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Chemistry, 22.06.2019 14:00
8.98 dm3 of hydrogen gas is collected at 38.8 °c. find the volume the gas will occupy at -39.9 °c if the pressure remains constant.
Answers: 3
Chemistry, 24.06.2019 00:50
The barium isotope 133ba has a half-life of 10.5 years. a sample begins with 1.1×1010 133ba atoms. how many are left after (a) 6 years, (b) 10 years, and (c) 200 years?
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Chemistry, 24.06.2019 02:40
Which substance will form a solution when mixed with liquid benzene (c6h6)
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Chemistry, 24.06.2019 03:10
How does water relative densities as a solid and a liquid differ from that most other substance ?
Answers: 1
Tonium (T) has a molar mass of 210.0 g/mol and Changston (Ch) has a molar
mass of 55.0 g/mol. The m...
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