Answer the following questions Predict the products and balance the chemical equation given below (2) _____ Sr(OH)2 (aq) + _____HNO3(aq)  →   Write full and net ionic equations for this reaction (2)  Determine the molarity of strontium hydroxide if 25.0mL of its solution was titrated to the endpoint by40.0 mL of 0.119M HNO3  (2)  Submit the answers in this exam. After submitting your exam, take the pictures of your work and upload them to Exam 3 Solutions, Extra Credit, and Partial Credit assignment. Your work must reflect the answer provided here. NO CREDIT will be awarded for the answer without work or justification shown. Answers:

Answer the following questions.  Predict the products and balance the chemical equation given below (2) _____ Ba(OH)2 (aq) + _____HBr(aq)  →   Write full and net ionic equations for this reaction (2)  Determine the molarity of barium hydroxide if 20.0mL of its solution was titrated to the endpoint by 48.0 mL of 0.129M HBr (2) Submit the answers in this exam. After submitting your exam, take the pictures of your work and upload them to Exam 3 Solutions, Extra Credit, and Partial Credit assignment. Your work must reflect the answer provided here. NO CREDIT will be awarded for the answer without work or justification shown. Answers:

Answer the following question.  A  75.0 L balloon contains 215.18 g of neon at 27oC. Calculate the pressure  in the balloon in atm. Chose your final answer here. After submitting the exam, upload the matching calculations to the Exam 4 Solutions, Extra Credit, and Partial Credit assignment. Answer – 2pts, work – 2pts  

What effect does adding Na₂SO₄ have on a saturated BaSO₄ solution?

If additional F⁻ is added to a saturated CaF₂ solution, what will happen?

Answer the following question.  Use the Henderson-Hasselbalch equation to calculate the pH of the solution prepared by dissolving  0.85 mol of nitrous acid (Ka=4.0×10-4) and 0.43 mol of its conjugate base in enough water to make 1.00L of buffer solution Chose your final answer here. After submitting the exam, upload the matching calculations to the Exam 3 Solutions, Extra Credit, and Partial Credit assignment. Answer – 4pts, work – 1pts

Lateral TAP block is performed by local anesthetic placement between which structures:

When preparing to perform a Bier block, after appropriately exsanguinating the upper extremity, which tourniquet is inflated first?

Anterior hip capsule is innervated by articular branches of: (select 3)

A 27-year-old female is scheduled for right ankle surgery under regional anesthesia. To provide complete coverage of the lower extremity below the knee Popliteal nerve block is combined with: