A wooden artifact from an ancient tomb contains 60% of the carbon-14 that is present in living trees. How long ago was the artifact made? (The half-life of carbon-14 is 5730 years. Round your decay rate, r, to 6 decimal places. Then round your answer to the nearest whole number.)
Answers: 1
![[A_o]](/tpl/images/0544/3225/dc622.png)
![[A]=0.06[A_o]](/tpl/images/0544/3225/c6bca.png)
![[A]=[A_o]\times e^{-kt}](/tpl/images/0544/3225/abdec.png)
![[A]=[A_o]\times e^{-\frac{0.693}{t_{1/2}}\times t}](/tpl/images/0544/3225/28873.png)
![0.60[A_o]=[A_o]\times e^{-\frac{0.693}{5730 year}\times t}](/tpl/images/0544/3225/d6fba.png)
Another question on Chemistry
Chemistry, 22.06.2019 12:00
1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c
Answers: 2
Chemistry, 22.06.2019 13:30
Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?
Answers: 1
Chemistry, 22.06.2019 20:10
What would happen to a volleyball left outside in the winter? o o o o a. it would expand. b. it would lose air. c. it would shrink. d. it would explode.
Answers: 2
Chemistry, 22.06.2019 21:30
Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.
Answers: 3
You know the right answer?
A wooden artifact from an ancient tomb contains 60% of the carbon-14 that is present in living trees...
Questions
Computers and Technology, 31.07.2019 00:10
History, 31.07.2019 00:10
Computers and Technology, 31.07.2019 00:10
Computers and Technology, 31.07.2019 00:10
Business, 31.07.2019 00:10
