Answers: 3
Chemistry, 21.06.2019 12:30, kitt90335
Asample contains 16.75 g of the radioisotope u-236 and 50.25 g of its daughter isotope, th-232. how long did it take for decay to take place if one half-life of u-236 is 23 million years? 46 million years 69 million years 92 million years 115 million years
Answers: 3
Chemistry, 22.06.2019 05:30, NorbxrtThaG
The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?
Answers: 1
Which mineral is a nonsilicate?
a. halite
b. mica
c. feldspar
d. quartz...
a. halite
b. mica
c. feldspar
d. quartz...
English, 12.11.2019 07:31