As the pressure on a sample of gas increases, the volume of the sample _____. decreases stays the same increases
2 answers:
Answer : As the pressure on a sample of gas increases, the volume of the sample decreases.
Explanation :
According to the Boyle's, law, the pressure of the gas is inversely proportional to the volume of gas at constant temperature and moles of gas.
(At constant temperature and moles of gas)
From the we conclude that the higher the pressure of gas, lower will be the volume and lower the pressure of gas, higher will be the volume of gas.
Hence, as the pressure on a sample of gas increases, the volume of the sample decreases.
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Answer:
Time = 6 years
Explanation:
First, we will calculate the no. of half life periods required to reduce the mass of Protactinium to the given value:
where,
n = no. of half-life periods = ?
m = initial mass = 86.3 g
m' = remaining mass = 10.8 g
Therefore,
Since the bases are the same. Therefore equating powers:
n = 3
Now we calculate the time:
<u>Time = 6 years</u>