Physics, 18.06.2020 03:57 ecenteno2004
If galium-68 has a half life of 68.3 minutes, how much of a 10.0 mg sample is left after one half life. Two half lives? Three half lives?
Answers: 2
Physics, 22.06.2019 04:50, jojoblue2004
Unpolarized light whose intensity is 1.19 w/ is incident on a polarizer. (a) what is the intensity of the light leaving the polarizer? (b) if the analyzer is set at an angle of = 41.0∘ with respect to the polarizer, what is the intensity of the light that reaches the photocell?
Answers: 1
Physics, 22.06.2019 09:30, anytka21ovxqoa
How would a small bar magnet be oriented when placed at position x?
Answers: 2
Physics, 22.06.2019 10:00, amyaacrawford86
Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix. b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds. c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer. d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.
Answers: 1
If galium-68 has a half life of 68.3 minutes, how much of a 10.0 mg sample is left after one half li...
Mathematics, 25.02.2021 18:10
Mathematics, 25.02.2021 18:10
Chemistry, 25.02.2021 18:10
Mathematics, 25.02.2021 18:10