67g of CH4, 34 g of N2 and 12 g of O2 are placed in a 550 ml container at 95 degrees celsius. What is the total pressure in the container in atm?

Why are very high temperatures and pressures required for fusion to occur? to generate the neutrons that are needed to break the nuclei o to overcome the repulsion between the protons in the nuclei that join to maintain the proper conditions to keep the chain reaction going to keep the uranium fuel separate from the control rods