Chemistry, 12.12.2020 17:00 elrodkaitlynn8616
Help PLEASE PLEASE PLEAS I will really appreciate it thank you!! Will mark Calculate the total energy in 1.5 x 10^13 photons of gamma radiation having wavelength = 3.0 x 10^-12 m. Need to show ALL work
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Chemistry, 21.06.2019 16:30
Where are each of the three particles located within the atom?
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Chemistry, 22.06.2019 07:30
11. phosphorus-32 is radioactive and has a half life of 14 days. how much of a 124 mg sample of phosphorus-32 is present after 56 days? a) 7.75 mg b) 15.5 mg c) 31.0 mg d) 62.0 mg
Answers: 3
Chemistry, 22.06.2019 19:50
If a gas has an initial pressure of 101kpa and a volume of 10l, then it expands to a volume of 20l, what is the new pressure?
Answers: 2
Help PLEASE PLEASE PLEAS I will really appreciate it thank you!! Will mark Calculate the total energ...
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