Question
In: Physics
1a) Why are radioactive half-lives independent of temperature? 1b) Element ‘X’ has several isotopes. How are...
1a) Why are radioactive half-lives independent of temperature?
1b) Element ‘X’ has several isotopes. How are they different and how are they the same? Why do you think some of them are unstable while others may be stable?
Solutions
genius_generous answered 2 years agoRelated Solutions
Radioactive materials have half lives of millions or billions of years. How do we know the...
Radioactive materials have half lives of millions or billions of
years. How do we know the value of these half lives (since none of
us have been around that long)? Explain.
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,...
1a. How has Sarbanes-Oxley of 2002 affected FASB’s jurisdiction and independence? 1b. Is it possible that...
1a. How has Sarbanes-Oxley of 2002 affected
FASB’s jurisdiction and independence?
1b. Is it possible that the rules of internal
controls in Sarbanes-Oxley of 2002 are making firms excessively
risk-averse? If so, how?
Question 1: The element nobelium has a half-life of 58 minutes. Let X be the lifetime...
Question 1: The element nobelium has a
half-life of 58 minutes. Let X be the lifetime of an individual
nobelium atom. Compute the following:
a) P(X>30)
b) P(X≤60|X>30)
c) E(X) and Var(X)
d) P(X>E(X))
Alloy element content has an effect on the ductile-to-brittle transition temperature of a steel. How does...
Alloy element content has an effect on the ductile-to-brittle
transition temperature of a steel. How does increasing the Mn
content of a steel affect the transition temperature?
Element “X” has an atomic number of 16 and an atomic mass of 40 How many...
Element “X” has an atomic number of 16 and an atomic mass of 40
How many electrons are in the valence of Element X?
The element Mn has how many valence electrons? Please explain in detail why and how.
The element Mn has how many valence electrons? Please explain in
detail why and how.
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