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A chemist carries out this reaction in the laboratory, using [x] grams of zinc and an excess of sulfur:  She isolated [y] g of ZnS. Zn + S –> ZnS   Using the balanced equation, calculate the percent yield the chemist retrieved from the reaction.   What is her percent yield for this reaction?   percent yield= (actual yield)/(theo yield) *100%

A 1.0 gram sample of a candy bar was placed in a bomb calorimeter with a heat capacity of 3.54 kcal/°C. The sample was completely burned, causing the temperature of the calorimeter to rise by 1.36 °C.   How many kilocalories of energy were stored in the candy bar?    Make sure to show all your work- No work = no credit

Identify each of these reactions as endothermic or exothermic: a) heat + H2O(l)  –> H2O  [reactionA]  b) H2O(g)  –> H2O(l) + heat [reactionB] c) K2CO3(s) –> K2CO3(aq) + heat [reactionC] d) heat+ NH4Cl(s) –> NH4Cl(aq) [reactionD] 

When solutions of potassium iodide and lead(II) nitrate are mixed, the result is potassium nitrate and lead(II) iodide.  This is an example of what type of reaction?    answer in all lower case

Which of the following statements is LEAST true about sexual socialization in the home?

43.  A 7-year-old child is diagnosed with hypopituitary dwarfism and is being started on growth hormone replacement therapy. The nurse should prioritize which of the following interventions? 

50.  A nurse is caring for a child with gigantism due to an oversecretion of growth hormone (GH) before puberty. The child’s treatment plan includes monitoring for complications. Which of the following complications should the nurse prioritize for this child? 

10.  The provider has ordered hydrocortisone 100 mg IV every 8 hours for a client with adrenal insufficiency. The pharmacy supplies vials labeled hydrocortisone 250 mg/5 mL. How many milliliters should the nurse administer per dose? 

14. A client with hypothyroidism (myxedema) is being discharged. The nurse provides education on managing the condition. Which of the following statements by the client indicate an understanding of the teaching? (Select all that apply.) 

3. The nurse is preparing to administer desmopressin (DDAVP) to a school-aged child diagnosed with nocturnal enuresis. The medication is ordered to be given 30 minutes before bedtime. Which route should the nurse expect to use for the most rapid absorption to help prevent bedwetting during the night?