Question

In: Chemistry

Osmium (76Os) has seven naturally occurring isotopes, six of which are stable. Osmium 193 is a...

Osmium (76Os) has seven naturally occurring isotopes, six of which are stable. Osmium 193 is a beta-emitter. A sample of 193Os with mass of 58.36 μg emits 13.52×108 β

particles in a time interval of 32 min. What is the half-life (in years) of this nuclide?

Solutions

Expert Solution


Related Solutions

Osmium (Os) is the densest naturally occurring element.
Osmium (Os) is the densest naturally occurring element. a. What is the density of this element (in g/cm) if we know a single atom of osmium occupies a volume of 13.981 A3?  b. What is the radius (in inches) of a sphere of osmium containing 2.831 mol of osmium atoms?  
Osmium is the densest of the naturally occurring elements with a density of 22.59 g/cm3. You...
Osmium is the densest of the naturally occurring elements with a density of 22.59 g/cm3. You are presented with a cube of what is claimed to be pure osmium, which measured 2.00 inches on a side. What weight in pounds would you expect for such a cube of pure osmium? 1 lb = 453.6 g; 1 in = 2.54 cm
5. calculate the atomic mass of element "X" if it has 2 naturally occurring isotopes with...
5. calculate the atomic mass of element "X" if it has 2 naturally occurring isotopes with the following masse and natural abundances: X-45: 44.8776 Amu 32.88% X-47: 46.9443 Amu 67.22% 10. silver has an atomic mass of 107.868 Amu. The Ag-109 isotope (108.905 amu) is 48.16%. what is the amu of the other isotope? 39. calculate the mass percent composition of sulfur in Al2(SO4)3. 41. determine the molecular formula for a compound that is 70.79% carbon, 8.91% hydrogen, 4.59% nitrogen,...
1-which term refers to the average mass of an element's naturally occurring isotopes? 2-what is the...
1-which term refers to the average mass of an element's naturally occurring isotopes? 2-what is the orbital notation of manganese? 3-covalent bonds are a result of strong electrostatic attractions between cations and anions? T or F
Boron has two naturally occurring isotopes, 10B and 11B. The ratio of the numeric abundances may...
Boron has two naturally occurring isotopes, 10B and 11B. The ratio of the numeric abundances may vary for samples derived from diverse natural sources. A 4.02668 E 4.02709 B 4.02553 F 4.02747 C 4.02404 G 4.02480 D 4.02417 H 4.02598 Sample E was analyzed five times giving 4.02709 and s = 0.00007. The 99% confidence interval for sample E is: 4.02709± ???
The naturally occurring radioactive decay series that begins with 23592U stops with formation of the stable...
The naturally occurring radioactive decay series that begins with 23592U stops with formation of the stable 20782Pb nucleus. The decays proceed through a series of alpha-particle and beta-particle emissions. Part A How many of alpha-particle emissions are involved in this series? Part B How many of beta-particle emissions are involved in this series?
(a) The radioisotope 40K constitutes 0.0117% of naturally occurring potassium and has a half life of...
(a) The radioisotope 40K constitutes 0.0117% of naturally occurring potassium and has a half life of 1.28´109 years. Calculate the activity of a 1.00 kg sample of potassium chloride (KCl). You may assume that 40K is the only radioisotope present in the sample. A mole of potassium chloride has a mass of 74.55 g Hint: You will need to calculate the number of 40K atoms in the sample.Type or paste question here (b) The plutonium batteries in Voyager 1 had...
5) A researcher wants to know if naturally occurring testosterone levels are associated with aggresion. Which...
5) A researcher wants to know if naturally occurring testosterone levels are associated with aggresion. Which role is testosterone playing? a.) IV b.) Predictor c.) Explanatory variable d.) Predictor variable 7) TRUE OR FALSE: Systematic random sampling is similar to simple random sampling except intact groups such as churches, schools or clubs are selected rather than individuals. 8) TRUE OR FALSE: When using purposive sampling, the researcher uses his or her judgement to select participants. 10) Your boss tells you...
1)Chlorine has two stable isotopes. The first isotope has a mass number 35 and is present...
1)Chlorine has two stable isotopes. The first isotope has a mass number 35 and is present 75.77% of the time. The second isotope has a mass number of 37. Calculate their molar mass of Chlorine. 2) what type of question is this? 3) Explain background information? 4)What Info do you need to solve it? 5)Solve question giving step wise advice. 6)Give example it could be rewrttten?
Chlorine is an unusual element in that it has two abundant stable isotopes, Cl-35 and Cl-37,...
Chlorine is an unusual element in that it has two abundant stable isotopes, Cl-35 and Cl-37, constituting, respectively, about 76% and 24% of natural chlorine. The masses of these isotopes in unified atomic mass units, are, to three significant figures, equal to their mass numbers of 35 and 37. A mass spectrometer is used with singly ionized chlorine atoms. The spectrometer has a 3.5-kV accelerating potential and a 163-mT magnetic field. How far apart will Cl-35 and Cl-37 ions be...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT