The mass of the nuclide that will remain in the patient at 6:00 p.m. the next day is 94 g
<h3>How to determine the number of half-lives that has elapsed</h3>
We'll begin by obtaining the number of half lives that has elapsed. This can be obtained as follow:
- Half-life (t½) = 8 days = 8 × 24 = 192 hours
- Time (t) = 6 pm next day = 18 hours
- Number of half-lives (n) =?
n = t / t½
n = 18 / 192
n = 0.09375
<h3>How to determine the amount remaining </h3>
- Original amount (N₀) = 100 g
- Number of half-lives (n) = 0.09375
- Amount remaining (N) = ?
N = N₀ / 2^n
N = 100 / (2^0.09375)
N = 94 g
Thus, 94 g of the nuclide is remaining in the patient's body,
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Answer:
Magnesium and strontium
Explanation:
11 protons and 11 electrons, 12 neutrons.
The atomic number of sodium is 11, therefore the number of electrons and protons are 11. The atomic mass is 23, and to find neutrons you need to subtract the atomic number from the atomic mass, therefore the number of neutrons are 12.
Answer: Thus the volume of the balloon at that new location is 
Explanation:
Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.
The combined gas equation is,
where,
= initial pressure of gas = 0.995 atm
= final pressure of gas = 0.720 atm
= initial volume of gas = 
= final volume of gas = ?
= initial temperature of gas = 
= final temperature of gas = 
Now put all the given values in the above equation, we get:
Thus the volume of the balloon at that new location is
