CHEM 120, Final Exam Chamberlain college of Nursing,CHEM 120: Introduction to General, Organic & Biological Chemistry Set-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

CHEM 120, Final Exam Chamberlain college of Nursing,CHEM 120: Introduction to General, Organic & Biological Chemistry Set-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 mol CO(g) in a 4.25 L tank at 51 degrees C. 6. Question: (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. 7. Question: (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. 8. Question: (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 sequence of the other DNA strand? 1. 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 0.75L of a 0.25M H3PO4 solution. Show your work. (b, 5 pts) What volume, in Liters, of a 0.25 M H3PO4 solution can be prepared by diluting 50 mL of a 2.5M H3PO4 solution? Show your work. 2. Question: (TCO 7) (a, 5 pts) What is the volume percent of a solution prepared by dissolving 21 g of NaOH in enough water to make a final volume of 120 mL? Show your work. (b, 5 pts) How many mL of a 10% solution can be made from the solution in part a? Show your work. 3. Question: (TCO 11) Tungsten (W), with a mass number of 180 and an atomic number of 74, decays by emission of an alpha particle. Identify the product of the nuclear reaction by providing its atomic symbol , mass number , and atomic number . 4. Question: (TCO 13) What is the mRNA sequence for the following segment of DNA: --AAACGTGTGCTAACA-- ? Based upon the mRNA sequence, what is the peptide sequence ? 5. Question: (TCO 5) Given the following unbalanced chemical equation: Al + Cl2- AlCl3 (a, 5 pts) Balance the equation…………(b, 5 pts) How many moles of AlCl3 are produced from 1.75 mole of Cl2? Show your work………….. (c, 5 pts) What is the molar mass of AlCl3? Show your work………(d, 5