Concept explainers
a)
Interpretation:
The positrons radioactive isotope in the diagram has to be identified.
Concept introduction:
Beta decay:
The
Where the electron
b)
Interpretation:
The balanced nuclear decay reactions have to be written.
Concept introduction:
Beta decay:
The
Where the electron
Balanced nuclear reaction:
For a balanced
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EBK FUNDAMENTALS OF GENERAL, ORGANIC, A
- Write the nuclear equation for the alpha decay of Po-214.arrow_forwardIf there is 10 μmol of the radioactive isotope 32P (half-life 14 days) at t = 0, how much 32P will remain at (a) 7 days, (b) 14 days, (c) 21 days, and (d) 70 days?arrow_forwardWrite balanced nuclear equations for the following:(a) β⁻ decay of sodium-26(b) β⁻ decay of francium-223(c) Alpha decay of ²¹²₈₃Biarrow_forward
- 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° усаrsarrow_forwardA 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?arrow_forwardIdentify the unknown particle X in the following nuclear reaction equations. (Enter your answers in the form A X Z .) (a) 21H + 32He → 42He + Xarrow_forward
- 5. a) How many vibrational normal modes does HCN have? b) How many peaks (not counting the fine structure of each peak) would you expect to see in the IR spectrum of gas phase HCN?arrow_forwardIf a hospital were storing radioisotopes, what is the minimum containment needed to protect against:(a) cobalt-60 (a strong γ emitter used for irradiation)(b) molybdenum-99 (a beta emitter used to produce technetium-99 for imaging)arrow_forwardFor 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 amuarrow_forward
- How many H2O particles were produced by creating the following structure? * R H R R H-N-C,-C- -N-C,-C- -N-C H H нн H J600 А.) 300 В.) 601 О с.) 60 D.) 600 E.) 1200 O F.) Oarrow_forward11.68 Acetylene (ethyne) gas reacts with oxygen and burns at 3300 °C in an acetylene torch. (7.4, 7.7, 8.6, 11.4, 11.5) a. Write the balanced chemical equation for the complete combustion of acetylene. b. What is the molar mass of acetylene? c. How many grams of oxygen are needed to react with 8.5 L of acetylene gas at STP? d. How many liters of CO2 gas at STP are produced when 30.0 g of acetylene undergoes combustion?arrow_forwardCompound A has molecular formula C7H7X. Its 1H-NMR spectrum shows a singlet at 2.25 ppm and two doublets, one at 7.28 ppm and one at 7.39 ppm. The singlet has an integral of three and the doublets each have an integral of two. The mass spectrum of A shows a peak at m/z = 126 and another peak at m/z = 128; the relative height of the two peaks is 3:1 respectively. Identify what atom X is, explaining your reasoning and identify Compound A, explaining your reasoning.arrow_forward
- Principles Of Radiographic Imaging: An Art And A ...Health & NutritionISBN:9781337711067Author:Richard R. Carlton, Arlene M. Adler, Vesna BalacPublisher:Cengage Learning