Physics, 09.12.2020 21:30 tfyvcu5344
Thorium- 229 is the radioactive substance that gives lantern mantels their eerie glow. The half life of thorium-229 is 7340 years. If one mantel consists of 0.25 grams of thorium, how much thorium will remain after 14,680 years?
Answers: 1
Other questions on the subject: Physics
Physics, 21.06.2019 16:10, niescarlosj
For a particular reaction, ? h = -144.6 kj and ? s = -301.2 j/k. calculate ? g for this reaction at 298 k.
Answers: 1
Physics, 22.06.2019 01:30, ayalat9596
An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3
Answers: 1
Physics, 22.06.2019 11:00, chaycebell6662
A2.00-m long piano wire with a mass per unit length of 12.0 g/m is under a tension of 8.00 kn. what is the frequency of the fundamental mode of vibration of this wire?
Answers: 3
You know the right answer?
Thorium- 229 is the radioactive substance that gives lantern mantels their eerie glow. The half life...
Questions in other subjects:
Biology, 26.05.2020 00:57
Mathematics, 26.05.2020 00:57
