Ihave an evacuated 0.500 l flask at 298 k. i hook up my oxygen tank and flow oxygen into the flask until the pressure is 1.5 atm. then i hook up my nitrogen tank and flow nitrogen into the flask with the oxygen until the total pressure is 2.5 atm. what is the total pressure in the flask when the reaction has been completed?

1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)