Chemistry, 03.03.2021 01:00, delarosalalo
It takes 5730 years for half of the parent atoms in a sample of radioactive carbon 14 to break down. Imagine you have a 144 g
sample of carbon 14 that breaks down over 17,190 years
How many grams of the carbon-14 sample will be left after 17,190 years?
Answers: 2
Chemistry, 23.06.2019 16:30, ernie27
In chile, the deepest earthquake occurred at 61.7°w longitude at a depth of 540 km. if the rocks at the focus began subducting 10 million years ago and are now 1000 km from their original position, what is the average rate of subduction in cm/yr?
Answers: 2
Chemistry, 23.06.2019 18:00, keshewar4427
Amolecule is a(n) - a. element that physically combines with another element. b. particle composed of two or more atoms bonded together covalently. c. element that isn't bonded to another element.
Answers: 1
Chemistry, 23.06.2019 19:30, averiemiranda1
âď¸how many kj of energy would be needed to convert 150. g of ammonia to vapor at its boiling point? âď¸(ammoniaâs heat of vaporization is 1.38 kj/g
Answers: 3
It takes 5730 years for half of the parent atoms in a sample of radioactive carbon 14 to break down....
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