Which law is described by saying that when the pressure of a gas in a sealed container is cut in half, the gas will double in vo
2 answers:
Answer: The correct answer is Boyle's law.
Explanation:
Boyle's law states that 'the pressure of the gas is inversely proportional to the volume occupied by the gas at constant temperature'.
or
According to question, pressure is reduced to half of its original value by which volume of gas will get doubled of its initial value.Hence following Boyle's law.
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Answer:
Explanation:
Given that:
The Half-life of =
is less than that of
Although we are not given any value about the present weight of .
So, consider the present weight in the percentage of to be y%
Then, the time elapsed to get the present weight of =
Therefore;
here;
= Number of radioactive atoms relating to the weight of y of
Thus:
--- (1)
However, Suppose the time elapsed from the initial stage to arrive at the weight of the percentage of to be =
Then:
---- (2)
here;
= Number of radioactive atoms of
relating to 3.0 a/o weight
Now, equating equation (1) and (2) together, we have:
replacing the half-life of =
( since
)
∴
The time elapsed signifies how long the isotopic abundance of 235U equal to 3.0 a/o
Thus, The time elapsed is