Determine ki, if you have the following values: k₁= (2.0235E-2)1¹/2 Kjy = (6.2164E-2) 1/12 K = (3.6125E-2) 12
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- Use Ceq1. Derive (4) from (3) and explain why a certain term was neglected. Explain the validity in neglecting that term. ΔΑ = (Lo + ΔL)(W% + ΔW) – LoWo ΔΑ = 2αΑ ΔΤ (4)An archaeologist finds some ancient jewelry made from bone. The jewelry has a carbon mass of 146 g (HINT: Assume all the carbon is 12C and determine the number of atoms, 12C has a molar mass of 12 g/mol) and careful measurements show that the remaining 14C has a current decay rate of 26 decays/s. Determine the age of the bone (and presumably the jewelry). The ratio of 14C to 12C when the animal died was 1.25×10-12 & the half-life of 14C is 5730 y. Additionally, 1 mol = 6.022×1023 particles, 1 y = 365.25 days, & 1 day = 24 h.age of bone =
- Use the below values for this problem. Please note that the mass for H is for the entire atom (proton & electron). Neutron: m,= 1.67493x1027 kg= 1.008665 u = 939.57 MeVIC H: my = 1.67353x10 27 kg = 1.007825 u = 938.78 MeVic 1u= 1.6605x10-27 kg = 931.5 MeVic? Consider the following decay: 211 At 207 Bi + a. 211 At has a mass of 210.9874963 u, 207 Bi has a mass of 206.981593 u, and a has a mass of 4.002603 u. 85 83 85 83 Determine the disintegration energy (Q-value) in MeV. Determine the binding energy (in MeV) for 211 At. 85 EB =x (m) 14 12 10 8 4 2 t (s) 2 4 6 8 8 10 12 14 16A state-of-the-art proton decay experiment is expected to detect 44% of the proton decays in a body of water. Assuming protons have a lifetime of 1031 years, how many m3 of water would you need in order to see 2 decays per month? (Assume a "month" is one-twelfth of a year.)
- Find the percent errorInitial weight = 6.684gFinal weight = 6.828gTheoretical value = 0.120what is k in the eq 2B3. In the alpha decay of uranium 232U → 228Th + He, how much kinetic energy (in MeV) will 90 the thorium atom have. Given that Q = 6.46 MeV and the atomic mass of 220Th is 228.028731u. Express the values to 3 significant figures, if necessary.