What fraction of a tritium sample will remain
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.
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Calculate how much energy is released when the polonium-210according to 210^Po------->4^H+206^Pb. {Atomic masses: polonium-210 = 209.982857 amu ; helium-4= 4.002603 amu ; lead-206=205.974449 amu}
Determine time it would take you to ride bicycle home. Determine the time your father will arrive home. Write the equation to find the distance d1, from Pittsburgh after t hours.
Estimate the major organic product of reaction between the cyclohexanone and the cyclohexanol in the presence of acid (H+)?
An 8 cm diameter, 400 g sphere is released from rest to the tip of a 2.1 m long, 25 degree incline. It rolls, devoid of slipping, to the bottom. i) Determine the angular velocity of the sphere at the bottom of the incline?
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?
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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