Two students made a model of the world's tallest building, the Burj Khalifa in Dubai. The scale of the model is 1:400. The students' model has a height of 2.07 m. How tall is the real building? O A. 0.005 m O B. 400 m O C. 193 m O D. 828 m

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

Tell me the iupac name of the following compounds:

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer