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And the prediction for tomorrow is... SCORCHIO!

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1. Yes, it's great in here. It's been 4 years now be we all still talk almost daily there. Whoever wants to join is welcome to do so. Lajos posted an invitation link a couple posts above!
2. Maybe it has something to do with dymensional analysis, I'm strugling really hard with this problem.
3. I'm trying to figure out the following problem: I've got a pressurized enclosed volume where the only data I have is pressure (350KPa) and temperature (30ºC), I'm asuming that everything remains constant (That is volume, temperature, pressure etc.) and that it's filled with an ideal gas. The point of the exercise is to find out the specific internal energy of the volume, which in the SI is measured in Joules / Kilogram, thing is, I don't need it to be in SI units. And thanks to that, I developed an approach: The average kinetic energy of a particle can be calculated using the formula kE = (3/2)* k * T where k is Boltzmann's constant (1.38*(10^-23)J/K) and T is temperature in Kelvin (303K in this case). So, filling up the equation renders us this result: Average kinetic energy per particle = 6.2721*(10^-21)J The internal energy is the sum of the heat ( kinetic energy of the particles) + the pressure potential energy (Which is Pressure times Volume). I don't know the volume which is holding me down from calculating the internal energy, any insight on how to calculate the pressure energy per particle or any other method would be appreciated. Kind regads,
4. Invite sent! Turns out you're already in, Come join us at the chat room!
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