multiple

  1. D

    some multiple choice problems

    I included the question and the possible answers and what I believe is the correct one (I put my answer in magenta), but for the ones i got wrong, can someone explain the right answer and why it is such? Thanks 1. (I have no idea how to do this one since it's been so long since I last did...
  2. H

    Equilibrium Multiple Choice

    I don't really know how to do any of these. 1) Examine the reaction: 2HI(g) + Cl2(g) <----> 2HCL(g) + I2(g) + energy At equilibrium which of the following actions will serve to increase the number of moles of iodine present? a) Increase volume of container but same temp b) Decrease volume of...
  3. S

    Law of multiple proportions problem

    Here's a problem and my answer. Would anybody mind checking it? Thanks in advance. 3 Compounds have the following mass ratios of Oxygen:Nitrogen A) 1.143 g oxygen:1 g Nitrogen B) 2.286 g oxygen: 1 g Nitrogen C) 2.857 g oxygen: 1 g Nitrogen Show that these compounds obey the law of multiple...