Could someone possibly explain to me how I know whether it’s a pure substance or mixture? I haven’t been able to find an answer

Engineers have contribute to society in many ways like making the technology we use today or any type of power energy material

Change in speed or direction : )

Hello! data: p (pressure) = 1.25 atmv (volume) = ? (in l)t (temperature) = 298 kn (number of mols) = 0.900 molesr (gas constant) = 0.082 (atm*l/mol*k)apply the data to the clapeyron equation (ideal gas equation), see: i hope this . =)