A gaseous mixture contains 0.545 bar H, (8), 0.517 bar N, (8), and 0.107 bar Ar(g). Calculate the mole fraction, X, of each of these gases.

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Which of these is not an example of chemical weathering? a. iron-rich mineral rusting b. feldspar turning into clay c. limestone reacting with acid d. granite breaking up into sand