subject
Chemistry, 30.03.2020 22:03 haitiindianari

Analysis of Potassium-40 / Argon-40 determines that 37.5% of the Potassium-40 remains and 62.5% has decayed to Argon-40. What is the age of the rock? A. 1.3 billion years B. 0.65 billion years C. 1.95 billion years D. 0.163 billion years

ansver
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 07:00, katarah42
6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space
Answers: 2
image
Chemistry, 22.06.2019 08:30, masontdavis
Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.
Answers: 1
image
Chemistry, 22.06.2019 09:00, boxergirl2062
Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?
Answers: 3
image
Chemistry, 22.06.2019 19:30, Kianna000
What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm
Answers: 3
You know the right answer?
Analysis of Potassium-40 / Argon-40 determines that 37.5% of the Potassium-40 remains and 62.5% has...

Questions in other subjects:

Konu
English, 05.05.2020 19:09