Chem 225 Study guides, Class notes & Summaries

MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Which of the following is the general electron configuration for the outermost electrons of elements in the alkaline earth group? 1) A) ns2np5 B) ns2 C) ns1 D) ns2np6(n -1)d6 E) ns2np4 2) Which of the following is the electron configuration for the bromide ion? 2) A) [Kr]5s24d105p7 B) [Xe] C) [Kr] D) [Ar] E) [Ar]4s23d104p7 3) Valence electrons are electrons located 3) A) in the out...

Exam (elaborations) CHEM 225 Biochemistry Final Exam (CHEM225) Biochemistry Final Exam 1) Calculate the enthalpy of formation per mol of NH3: Bond energies: H2, 436k KJ/mol; N2, 945 KJ/mol, N-H, 391 KJ/mol a) -93 KJ b) -1080 KJ c) 1080 KJ d) 45 KJ e) -46.5 KJ 2) Membrane structures are held primarily by? (OR membrane fs in a lipid bilayer are held together primarily by?) a) Hydrophobic interactions b) Covalent bonds c) Ionic Interactions d) All of the Above 3) Which system corresp...

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CHEM 102 Winter 18 Final Exam (A) Questions and Answers Potentially useful data: x  1 atm = 760 torr = 760 mm Hg 2 a [A]t = – kt + [A]o ΔG° = ΔH° – T ΔS° ln[A]t = – kt + ln[A]o ΔG = ΔG° + RT ln Q 1/[A]t = kt +1/[A]o ΔG° = – RT ln K First order half-life: t1/2 = ln2 / k ΔG° = – nFE° pH  pKa  log base acid  E  E  R T ln Q n F R = 8.314 J mol-1 K-1 F = 96500 C/mol e- 1. Please choose the letter “A” as your a...

A What is the cell that is indicated by the arrow in this field? A. Red cell fragment B. Acanthocyte C. Burr cell D. Crenated cell D A young man is experiencing difficult breathing after fainting. The physician orders a blood gas analysis which shows the following results: pH = 7.25 pCO2 = 62 mmHg pO2 = 70 mmHg HCO3 = 23 mEq/L Which condition is most likely afflicting this patient? A. metabolic alkalosis B. metabolic acidosis C. respiratory alkalosis D. respir...

HESI A2 V2 (RE-TAKE) Grammar 1. My father and I looked at her/hers.A 2. I am looking forward to my birthday party next week. a. Going b. Go c. Have d. Having 3. Coffee experts feel that the coffee blend is a dark blend. a. More greater b. Great c. Best d. More greatest 4. The nurse made a error with the medication, so the doctor made notes about it in the patients file. a. About it b. A c. With d. Made 5. Finishing isn’t as important as answering correctly. a. Quick b. As ...

HESI A2 V2 (RE-TAKE) Grammar 1. My father and I looked at her/hers.A 2. I am looking forward to my birthday party next week. a. Going b. Go c. Have d. Having 3. Coffee experts feel that the coffee blend is a dark blend. a. More greater b. Great c. Best d. More greatest 4. The nurse made a error with the medication, so the doctor made notes about it in the patients file. a. About it b. A c. With d. Made 5. Finishing isn’t as important as answering correctly. a. Quick b. As ...

HESI A2 V2 (RE-TAKE) Grammar 1. My father and I looked at her/hers.A 2. I am looking forward to my birthday party next week. a. Going b. Go c. Have d. Having 3. Coffee experts feel that the coffee blend is a dark blend. a. More greater b. Great c. Best d. More greatest 4. The nurse made a error with the medication, so the doctor made notes about it in the patients file. a. About it b. A c. With d. Made 5. Finishing isn’t as important as answering correctly. a. Quick b. As ...

1. How many electrons can an s subshell hold? 2 2. How many electrons can a p subshell hold? 6 3. How many electrons can a d subshell hold? 10 4. Which subshells are available in the first energy level? 5. Which subshells are available in the second en- ergy level? 6. Which subshells are available in the third energy level? s s and p s, p and d 7. What is Hund's rule? (Think bus seats!) Every orbital in a sub- shell must be singly filled with an electron before any one orbital can be d...

CHEM 225 Organic Chem I Lab Final Review (Safety) Questions And Answers