Consider the following equilibrium between \( \mathrm{N}_{2} \mathrm{O}_{4} \) and \( \mathrm{NO}_{2} \). Which changes would cause the reaction to become darker brown? Riew Available Hint(s) Run the reaction at a lower temperature. Decrease the volume of the container. Increase the pressure in the reaction vessel.

What is the hybridization of the central atom? \( s p \) \( s p^{2} \) \( s p^{3} d^{2} \) \( s p^{3} \) \( s p^{3} d \)

À l'aide des documents, dire si l'eau oxygénée peut mettre en évidence une tache de sang et décrire ce que doit observer Justine si elle en applique sur la tache. S'appuyer sur des équations d'oxydoréduction pour étayer vos propos.

28. \( \mathrm{HgO} \rightarrow \mathrm{Hg}+\mathrm{O}_{2} \)

Design an alcohol with six carbons, where the hydroxyl group is on the third carbon.

Which of the following is an example of anionic interference in atomic emission spectroscopy? O Interference of high concentration of sodium ions in assay calcium ions. Interference by formation of less volatile salt with sulphat by calcium. Decreased drop size of the analyte solution by alcohols.