subject
Chemistry, 14.04.2020 23:53 iesps010411

A radioactive metal atom decays by emitting an alpha particle, which is a helium nucleus. The
alpha particles are collected as helium gas. A sample of helium with a volume of 12.05 mL was
obtained at 765 mmHg and 23 °C. How many atoms decayed during the period of the
experiment?

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 17:00
In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound microscope does not? a. simultaneous observation b. polarization c. fluorescence d. higher magnification
Answers: 2
question
Chemistry, 22.06.2019 01:30
Arollercoaster car at the top of a hill has potential energy kinetic energy chemical energy light energy
Answers: 1
question
Chemistry, 22.06.2019 05:30
What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
Answers: 1
question
Chemistry, 22.06.2019 16:00
About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?
Answers: 2
You know the right answer?
A radioactive metal atom decays by emitting an alpha particle, which is a helium nucleus. The
...
Questions
question
Mathematics, 25.05.2021 07:20
question
Mathematics, 25.05.2021 07:20
Questions on the website: 13722363