Determine the vapor pressure of a solution at 55°c that contains 34.2 g nacl in 375 ml of water. the vapor pressure of pure water at 55°c is 118.1 torr. the van't hoff factor for nacl is 1.987.1 torr108 torr112 torr115 torr92.8 torr

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

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?