Chem 120 week t Study guides, Class notes & Summaries

CHEM 120 WEEK 8 Final Exam 2023 with correct answers Already graded A+ molarity = moles solute / liters solution 0.25 M = moles NaOH / 0.035 L moles NaOH = 0.00875 moles NaOH 1. (TCO 8) 35.0 mL of 0.25 M NaOH is neutralized by 23.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): (Points : 5) 2. (TCO 1) How many mL are in 3.5 pints? Show your work. (Points : 5) 3.5 pints is equivalent to 1656.116 1 pint = 473.176 ml 3.5 pints* 473.176mL = 1656.116mL 3. (TC...

CHEM 120 Week 8 Final Exam Questions-Answers (Version 1) 2023 UPDATE6. (TCO 6) A gas at a temperature of 95 degrees C occupies a volume of 165 mL. Assuming constant pressure, determine the volume at 25 degrees C. Show your work. (Points : 5) 7. (TCO 6) A sample of helium gas occupies 1021 mL at 719 mmHg. For a gas sample at constant temperature, determine the volume of helium at 745 mmHg. Show your work. (Points : 5) 8. (TCO 12) If one strand of a DNA double helix has the sequence T T A G C G ...

CHEM 120 Week 6 Discussion; Radiation (Option 2; Topic of Uranium-238).docx

CHEM 120 Week 6 Discussion; Radiation (Option 2; Topic of Uranium-238).docx

1. For lower premolars, the purpose of inclining the handpiece lingually is to, A. Avoid buccal pulp horn B. Avoid lingual pulp horn C. Remove unsupported enamel D. Conserve lingual dentine - ANSWER A. Avoid buccal pulp horn Explanation 1- avoid BUCCAL pulp horn 2- conserve ling. dentine So take A and B if available 2. For an amalgam restoration of a weakened cusp you should, A. reduce cusp by 2mm on a flat base for more resistance B. reduce cusp by 2mm following the outli...

CHEM 120 WEEK 7 DISCUSSION QUESTIONS WITH ANSWERS CHEM 120 Week 7 DQ 1 – Carbohydrate, Lipid, and Protein Structures Carbohydrates, lipids, and proteins! Take a look around your home. Describe an example of a carbohydrate, lipid, and/or protein found in your home. Let’s see how many different examples can be described. CHEM-120 Week 7 DQ 2 – Nucleic Acid Structure and Flow of Genetic Information In the news, we often hear examples of how DNA or the transfer of genetic information ...

CHEM 120 Week 8 Final Exam - Question Only – Download For Revision Page 1 1. Question: (TCO 8) 35.0 mL of 0.25 M NaOH is neutralized by 23.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): 2. Question: (TCO 1) How many mL are in 3.5 pints? Show your work. 3. Question: (TCO 3) What is the name of the following compound: Zn3P2? 4. Question: (TCO 3) What is the name of the following compound: AgNO3? 5. Question: (TCO 6) Calculate the pressure, in atmospheres, of 2.78 ...

CHEM 120 Week 7 LIPIDS Questions and Answers- Chamberlain College Atlanta WEEK 7 Lipids 1. Which of the following is a source of lipids? a. Water b. Sugar, fruits, and bread c. Butter and oils d. Steaks Water is the by-product of condensation reactions. Answer the following questions below about lipids. Question 1 / 3 Triglycerides are: a. used for catalysis in the body. b. made of fatty acid monomers. c. soluble in water. d. always unsaturated. Question 2 / 3 Select all that ap...

Paramedic final review exam. 1. The amount of air a pt moves into and out of his lungs in one breath is the: A. minute volume B. respiratory volume C. residual volume D. tidal volume 2. When testing orthostatic vitals, what vital sign change is the most sensitive positive sign of hypovolemia? A. BP drops by 10-20 B. BP rises by 10-20 C. pulse rate rises by 10-20 D. pulse rate drops by 10-20 3. Which pulse is recommended to check in peds? A. brachial B...