The partial pressure of CH4 (g) is 0.175atm and that of O2 (g) is 0.250atm in a mixture of the two gases. A. What is the mole fraction of each gas in the mixture?

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

the answer is a and have a great day

< > according to newton's third law of motion, forces always act in equal but opposite pairs. another way of saying this is for every action, there is an equal but opposite reaction.< >