A mixture of gases at a total pressure of 135 kPa contains N2, CO2, and O2. The partial pressure of the CO2 is 30 kPa and the partial pressure of the N2 is 60 kPa. What is the partial pressure of the O2?

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied