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How many hours during day time?
There are 24 hours IN a day. If you're asking how many hours there are DURING DAY TIME, it depends on where one lives. Countries like Singapore and Malaysia experience 12 hours during the day and 12 hours during the night. This depends on its location geographically.
Potassium-42 has a half-life of 12.4 hours How much of a 745 g sample will be left after 74.4 hours?
To determine how much of the 745 g sample of Potassium-42 will remain after 74.4 hours, we first calculate the number of half-lives that have passed. Since the half-life is 12.4 hours, we divide 74.4 hours by 12.4 hours, which gives us 6 half-lives. After each half-life, the amount remaining is halved, so after 6 half-lives, the remaining mass is ( 745 , \text{g} \times \left(\frac{1}{2}\right)^6 = 745 , \text{g} \times \frac{1}{64} \approx 11.64 , \text{g} ).
How many half-lives will it take for all but 25 percent of the original C-14 to decay?
39
How much Cu 61 half life about 3 hours would remain from a 2mg sample after 9 hours?
The half-life of Cu-61 is approximately 3 hours, meaning that after each half-life, half of the remaining sample decays. After 9 hours, which is three half-lives (3 hours x 3 = 9 hours), the original 2 mg sample would have gone through three decay cycles. Thus, the amount remaining would be (2 , \text{mg} \times \left(\frac{1}{2}\right)^3 = 2 , \text{mg} \times \frac{1}{8} = 0.25 , \text{mg}).
What comes in groups of 9's?
Cats have 9 lives
What is the duration of Desperate Lives?
The duration of Desperate Lives is 1.6 hours.
What is the duration of Our Happy Lives?
The duration of Our Happy Lives is 2.45 hours.
What is the duration of The Lives of Others?
The duration of The Lives of Others is 2.28 hours.
What is the duration of Where Danger Lives?
The duration of Where Danger Lives is 1.37 hours.
What is the duration of Strangled Lives?
The duration of Strangled Lives is 1.8 hours.
What is the duration of Where the Spirit Lives?
The duration of Where the Spirit Lives is 1.6 hours.
What is the duration of They Staked Their Lives?
The duration of They Staked Their Lives is 1.35 hours.
What is the duration of Infinite Lives?
The duration of Infinite Lives is 1.55 hours.
What is the duration of The Time of Their Lives?
The duration of The Time of Their Lives is 1.37 hours.
What is the duration of Fletch Lives?
The duration of Fletch Lives is 1.58 hours.
What is the duration of Damaged Lives?
The duration of Damaged Lives is 1.02 hours.
What is the duration of The Secret Lives of Dentists?
The duration of The Secret Lives of Dentists is 1.73 hours.
