How many moles of oxygen must be placed in a 3.00 L container to exert a pressure of 2.00 atm at 25.0°C?
Which variables are given?

pressure

volume

temperature

moles

Here pressure Volume and temperature are given, answer can be feched by applying the equation PV = nRT

How many moles of oxygen must be placed

in a 3.00 L container to exert a pressure of 2.00 atm at 25.0°C?

Which variables are given?

pressure

volume

temperature

moles    

Which variables are unknown?

pressure

volume

temperature

moles  

Select the correct algebraic form for the equation to be used for this calculation.

n equals StartFraction R T over P V EndFraction.

n equals StartFraction P V over R T EndFraction.

n equals StartFraction R V over P T EndFraction.

Solve the problem for the moles of oxygen.

0.245  mol O2

Explanation:

8 m/s because for him to get the same amount of energy as ray is putting out, bobby, who weighs half as much as ray, needs to run twice as fast.

i believe the answer is true.