Want to take this practice test in an online interactive format? much more: mometrix.com/bonus 948 /acsgenchem mich of the following processes absorbs heat? Dry ice sublimates at room temperature to form \( \mathrm{CO}_{2} \) gas. S. \( \mathrm{NH}_{3} \) gas condenses under a cold bath of \( -35^{\circ} \mathrm{C} \) to the liquid form. c. Liquid glacial acetic acid freezes in an ice-water bath. d. Iodine vapor captured in a jar forms crystalline iodine when it contacts the cooler lid.

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

Question 1 Releasing agents are used in atomic emission spectroscopy to prevent O Cationic interference O Anionic interference Ooth anionic and cationic O Physical interference

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

Which of the following is the function of the atomiser in the emission system of Atomic Absorption Spectroscopy? To split the beam into two To break the steady light into pulsating light To break large mass of liquid into small drops To reduce the sample into atomic state