Determine the partial pressures of a spacecraft atmosphere at 10 psi total pressure which is:
a)78% nitrogen
b) 21% oxygen
assume the partial pressure of exhausted carbon dioxide is just at the maximum allowable level according to nasa, 1995b.
the rest of the atmosphere is made up of trace gases

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

The discovery of the electron as a subatomic particle was a result of

At the negative terminal of the battery the electron has electric potential energy. what happens to this energy as the electron jumps from the negative to the positive terminal?