Chem120 week 3 exam - Study guides, Class notes & Summaries

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CHEM120 FINAL EXAM -WEEK 8- PAGE 3- 100%
  • CHEM120 FINAL EXAM -WEEK 8- PAGE 3- 100%

  • Exam (elaborations) • 6 pages • 2021
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  • CHEM120 FINAL EXAM -WEEK 8- PAGE 3- 100% Question: (TCO 7) (a, 5 pts) Given that the molar mass of H3PO4 is 97.994 grams, determine the number of grams of H3PO4 needed to prepare 0.25L of a 0.2M H3PO4 solution. Show your work. (b, 5 pts) What volume, in Liters, of a 0.2 M H3PO4 solution can be prepared by diluting 50 mL of a 5M H3PO4 solution? Show your work. Question: (TCO 7) (a, 5 pts) What is the mass/volume percent of a solution prepared by dissolving 43 g of NaOH in enough water to make ...
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CHEM120 -FINAL -EXAM – WEEK 8 -PAGE -2- (100% CORRECT)
  • CHEM120 -FINAL -EXAM – WEEK 8 -PAGE -2- (100% CORRECT)

  • Exam (elaborations) • 4 pages • 2021
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  • CHEM120 -FINAL -EXAM – WEEK 8 -PAGE -2- (100% CORRECT) Question: (TCO 8) 45.0 mL of 0.75 M NaOH is neutralized by 53.6 mL of an HCl solution. The molarity of the HCl solution is (show your work): Question: (TCO 1) How many meters are in 175 inches? Show your work. Question: (TCO 3) What is the name of the following compound: Na2S? Question: (TCO 3) What is the name of the following compound: AgNO3? Question: (TCO 6) Calculate the volume, in liters, of a 4.12 mol H2S(g) at 60 degrees C and...
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CHEM 120 FINAL EXAM (Version 3 ) Latest Complete Questions & Answers, Already Graded A; Chamberlain.
  • CHEM 120 FINAL EXAM (Version 3 ) Latest Complete Questions & Answers, Already Graded A; Chamberlain.

  • Study guide • 19 pages • 2020
  • CHEM 120 FINAL EXAM 6. (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 A C G C, what is the sequenc...
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CHEM 120 Week 8 Final Exam A+ GRADED
  • CHEM 120 Week 8 Final Exam A+ GRADED

  • Exam (elaborations) • 19 pages • 2021
  • CHEM 120 Week 8 Final Exam A+ GRADED 6. (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) Using Charles’ Law, (V1/T1) = (V2/T2). First, convert temperature to KELVIN (T1 = t1 +273) Thus, T1 = 95 + 273 = 368. We have V1 (165 mL) & T2 = (25 + 273) = 298. V2 = (V1*T2)/T1 = (165 mL*298)/368 = 133.6 mL. 7. (TCO 6) A sample of helium gas occupies ...
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CHEM120 Week 8 Final Exam (Version 3)/ CHEM 120 Week 8 Final Exam (New 2020): Chamberlain College Of Nursing
  • CHEM120 Week 8 Final Exam (Version 3)/ CHEM 120 Week 8 Final Exam (New 2020): Chamberlain College Of Nursing

  • Exam (elaborations) • 8 pages • 2021
  • CHEM120 Week 8 Final Exam (Version 3)/ CHEM 120 Week 8 Final Exam (New 2020): Chamberlain College Of Nursing
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