Using the pressure law (P1 x V1)/ T1 = (P2 x V2)/ T2 where P1= the initial pressure V1= initial volume T1= initial temperature and P2= the final pressure V2= the final volume T2 = the final temperature and temperature is always in kelvin
If you heat a fixed quantity of gas, which of the following statements are true?Check all that apply.a.The volume will always in
1 answer:
Answer:
Explanation:
Given
there is fix Quantity of gas i.e. mass of gas is constant
From ideal gas Equation
PV=nRT
(a) volume always increases is not true as Pressure can also be increased .
(b)If Pressure is constant along with mass then as Temperature increases, Volume also increases.
(c)true , Product of Pressure and volume depends upon temperature thus it also increases with temperature.
(d)Density of gas may or may not increases
As density is
volume may increase or decrease as temperature increase .
(e)false
as it clearly stated that quantity of fixed therefore there is no change in gas
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Answer:
The two people have the same momentum.
Explanation:
Given that,
Mass of person 1 is 50 kg and he is running at 2 m/s.
Mass of person 2 is 25 kg and he is running at twice that speed i.e. 4 m/s
The momentum of an object is given by :
p = mv
For person 1,
For person 2,
So, it can be seen that both persons will have the same momentum. Hence, the correct option is (c).