Write the nuclear equation for the alpha decay of Po-214.
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- For Be-10, find the: a.) mase defect (in grams) b.) binding energy in kilojoules per mole. mass proton= 1.00728 amu; mass neutron= 1.00867 amu; mass Be-10 = 10.013534679 amuIdentify the unknown particle X in the following nuclear reaction equations. (Enter your answers in the form A X Z .) (a) 21H + 32He → 42He + XA 10.00 mg sample of technetium-93 (92.91024898 u) is used to heat 125.4 g of water from 23.4 degree C to 87.4 degree C. How many minutes will be required to heat the water if all of the energy generated from the decay is used to heat the water?
- OUESTONETZ Patient 1 received an accidental radiation dose of 0.343 J/kg from slow neutrons with RBE = 4.31. Patient 2 was exposed to a beam of protons with RBE = 5.14 and received the same equivalent dose as the Patient 1. What is the radiation dose from protons received by Patient 2 (in J/kg)?Copper(II) acetate containing 6Cu is used to study brain tumors. This isotope has a half-life of 12.7 hours. If you begin with 25.0 ug of "Cu, what mass remains after 63.5 hours?238. 234. 14) Uranium-238 ( 92") decays to form thorium-234 ( 90 h) with a half-life of 4.5 x 10° years. How many years will it take for 75% of the uranium-238 to decay? а) 9.0х 10 years с) 9.0х10° years b) 4.5 x 10° years d). 3.8 х 10° усаrs
- How many half-lives would have to elapse for a sample of a radioactive isotope to decrease from an activity of 224 cpm to an activity of 7 cpm?Derive the Henderson – Hasselbach Equation. [H*][A¯] Ка— [НА] Molecular Weight: H = 1 g/mol C= 12 g/mol N=14 g/mol O = 16 g/mol Cl= 35.45 g/molWhat mass of gallium oxide, Ga2O3, can be prepared from 29.0 g of gallium metal? The equation for the reaction is 4Ga + 3O2 ⟶ 2Ga2 O3.