Explain what fraction of the original c-14
Explain what fraction of the original C-14 would remain today when the half-life of 14C is 5,730 years. Assuming some charcoal from a campfire 29,000 years old was found.
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What fraction of a tritium sample will remain after 5.20 years when the heaviest known isotope of hydrogen is called the tritium, 31H. It decays by beta emission, and has a half-life of 12.3 years.
Write down the null and alternative hypotheses, the observed test statistic, the p-value and state your conclusion in the context of the question. Check the conditions required for applying the test.
Sketch a picture representing her displacement due to rowing, her displacement due to the river’s motion, and her total displacement.
The elevator in Washington Monument takes 75 seconds to travel 500 feet to top floor. Find speed of elevator in miles per hour?
A rock contains 0.95 mg of U-238 and 0.37 mg of Pb-206.Approximately determines the numbers of U-238 atoms were in the rock when it was produced billions of years ago? Where the half life for 238U --->206Pb is 4.5 X109 years.
For an electron traveling in the straight section of a particle accelerator having a velocity of 0.930c relative to the accelerator, the segment consists of a length of 184 m. Determine the length of this section as measured by a physicist in the
Figure out the sequence of steps and formulate the synthesis of cyclopentanone. The Dieckmann condensation is used in the synthesis of cyclo-pentanone from cyclohexanone.
Determine the shortest x-ray wavelength from the continuous spectrum due to electrons accelerated via 35.7 kV, supposing that the electron gives up all of its KE throughout a collision(s).
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