Chemistry, 27.05.2021 04:10 dookiefadep5n1tt
The half-life of carbon-14 is approximately 5700 years. An archaeologist unearths a piece of wood that is determined
to have 83% of its carbon-14 remaining. Using carbon-12 dating techniques, approximately how old is the ancient
piece of wood that she located?
A)
approximately 675 years old
B)
approximately 1,550 years old
approximately 3,700 years old
D)
approximately one million years old
Answers: 3
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In a heat engine of 1000 j of heat enters the system and the piston does 500 j of work what is the final internal energy of the system if the inital energy was 2000 j we have to do all of these down here 1)write the equation 2)list out your know variables 3)plug the numbers into the equations 4)solve 5)write your solution statemtn that includes inital energuy and final energuy added
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The half-life of carbon-14 is approximately 5700 years. An archaeologist unearths a piece of wood th...
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