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The pressure of gas p(v) varies inversely with the volume of the gas v. The pressure of a gas measures 25 kg/cm^2 when it's volume is 200cm^3. 

Which equation can be used to find the pressure of the gas when the volume is changed?

 

Options:

p(v)=8/v

p(v)=8v

p(v)=5000/v

p(v)=5000v

 Jan 11, 2019
 #1
avatar+100516 
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We have

 

p = k /V      and we know that

 

25 =  k / 200     multiply both sides by 200

 

5000 =  k

 

So.....the general equation becomes

 

p(V) = 5000 / V

 

 

cool cool cool

 Jan 11, 2019

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