Chemistry, 02.07.2019 01:10 guyfromnasa
The average atomic weight of copper, which has two naturally occurring isotopes, is 63.5. one of the isotopes has an atomic weight of 62.9 amu and constitutes 69.1% of the copper isotopes. the other isotope has an abundance of 30.9%. the atomic weight (amu) of the second isotope is amu.
Answers: 2
Chemistry, 21.06.2019 19:30
If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal.a.added more engine powerb.activated a connection to the pedalc.stalled the engined.released a connection to the pedal
Answers: 1
Chemistry, 22.06.2019 21:20
40dm3 of gas at 760 torr are heated from 5°c to 50°c what is the new volume
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Chemistry, 23.06.2019 00:30
Balance the following reaction. as2s3 + 9o2 → 2as2o3 + so2
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The average atomic weight of copper, which has two naturally occurring isotopes, is 63.5. one of the...
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