Which of the following represents the change in electronic configuration that is associated with the first ionization energy of barium? ○ [Xe]6s² + e¯ → [Xe]6s²6p¹ [Xe]6s² → [Xe]6s¹ + e¯ - [Xe]6s² → [Xe]6s¹6p1 [Xe]6s¹6p¹ → [Xe]6s¹ + e¯

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8:04 PM Fri Nov 27 ll7 43% AA A sjc.cengagenow.com + Latest Line F5 Dynamic... Group Resea... 10-16 Acid-.. Mastery 10-16 X OWLV2 | Onli... G green and w... C dept. C SIERRA SIERRA SIERRA Module 10-12 [Review Topics] [References] 1. Buffer Solu... Use the References to access important values if needed for this question. A buffer solution is made that is 0.376 M in HCN and 0.376 M in 2. Buffer S... 2req Question NaCN. Question If Question Ka for HCN is 3. Buffer Solu... M) -10 4.00 x 10-, what is the pH of the buffer solution? pH : Write the net ionic equation for the reaction that occurs when 0.089 mol HCl is added to 1.00 L of the buffer solution. the lowest pos coefficients. Omit states of matter. Use H3 0t instead of Ht) + + Submit Answer Retry Entire Group 8 more group attempts remaining Progress: 2/3 groups Due Nov 28 at 11:55 PM Previous Next Finish Assignment Save and Exit

Report Sheet: Characterization of a Weak Acid. UNKNOWN NUMBER 63 A. Standardization of NaOH Solution TRIAL [HCI] Volume Moles Moles Volume HCI [HOEN] 24.65 НОEN 0.0026 25.75 НОEN 0.10097 1 0.0026 0.1002 25.89 25.73 2. Average [NaOH]. B. Identification of the Unknown Acid Determination of Molecular Weight TRIAL [NaOH] Volume Moles Moles Grams Molecula Unknown Unknown r Weight (g/mol) НОBN НОEN 0.294 7 24.07 0.2943 2. Average Molecular Weight (g/mol)

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