A rigid tank contains a mixture of 4 kg of He and 8 kg of O2 at 170 K and 7 MPa. Heat is now transferred to the tank, and the mixture temperature rises to 220 K. Treating the He as an ideal gas and the O2 as a nonideal gas, determine (a) the final pressure of the mixture and (b) the heat transfer.
CRJU 3200: Crime Prevention and Security, Spring Semester 2016 Week 5 Community Building Rationale Union Avenue Corridor (Portland, Oregon): 3.5 miles long Mixed Residential area: low income to middle income residents, minority (mostly black), crime rate was 3 times higher than the rest of the city 5 goals: o 1. Improve physical conditions o 2. Increase level of social cohesion o 3. Reduce level of crime o 4. Reduce level of fear o 5. Improve quality of life (residents and business men) And what did they find out and how o Extensive interviews: asked neighbors what the problems were, if they were scared, if they kne
