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Shtirlitz [24]
3 years ago
10

Which physical state of matter has the most kinetic energy?

Chemistry
2 answers:
frosja888 [35]3 years ago
8 0

For Future Students The Answer Is B. Gas I can Confirm this because I had took the test. Hope This Helped.

Iteru [2.4K]3 years ago
4 0
B.gas would has the most kinetic enegry because its particles move freely
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4 years ago
The amount of 217 mg of an isotope is given by A(t) = 217 € -0.0171, where t is time in years since the initial amount of 217 mg
Maru [420]

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<h3>Further explanation </h3>

The atomic nucleus can experience decay into 2 particles or more due to the instability of its atomic nucleus.  

Usually radioactive elements have an unstable atomic nucleus.  

The main particles are emitted by radioactive elements so that they generally decay are alpha (α), beta (β) and gamma (γ) particles  

The decay formula for isotope :

\tt \large{\boxed{\bold{A(t)=217e^{-0.0171t}}}

Then for t=20 years, the amount left :

\tt A(t)=217e^{-0.0171\times 20}\\\\A(t)=154.15~mg

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3 years ago
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