Chemistry, 11.05.2021 07:10 babyrocks7300
A radioisotope has a half-life of 5 minutes. What fraction of material would remain after half an hour?
Answers: 1
Chemistry, 22.06.2019 04:00
Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
Answers: 3
Chemistry, 22.06.2019 22:30
The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)
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Chemistry, 22.06.2019 22:30
Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.
Answers: 1
Chemistry, 23.06.2019 02:00
Now look at the segment of the graph between the two data points marked with black squares. describe how the boiling point and melting point plots behave between these points. be as specific as possible.
Answers: 1
A radioisotope has a half-life of 5 minutes. What fraction of material would remain after
half an h...
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