A mixture of three gases has a total pressure of 1380 mm Hg at 298 K. The mixture is analysed and is found to contain 1.27 mol carbon dioxide, 3.04 mol carbon monoxide, and 1.50 mol argon. What is the partial pressure of argon

your answer is a. the enthalpy of formation for a pure element in its standard state is always positive.

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )

c) should be the answer.