Which of the following molecules has a trigonal planar shape?

What is the value of keq for the reaction expressed in scientific notation?

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?