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Combine Boyle’s law, Charles’ law, and Gay-Lussac’s law to express a single proportional relationship between pressure (P), volume (V), and temperature (T).

The combined law is:

See the derivation below.

Explanation:

1. Boyle's law:

2. Charles' law:

3. Gay-Lussac’s law

4. Summary:

Mulitply PV by V/T and P/T

Thus:

Which is the combined law.

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radioactive decay occurs in unstable atomic nuclei – that is, ones that don't have enough binding energy to hold

the nucleus together due to an excess of either protons or neutrons.