quiz 1; nurs 480

m. (See Chapter 1; 1 point for units, 1 point for conversion factor, and 1 point for answer.) Points Received: 3 of 3 Comments: Question 9. Question : (TCO 1) How many centimeters are in 5.7 inches? Show your work. Student Answer: 1 inch = 2.54 cm =2.54 cm x 5.7 inch =14.478 cm Instructor Explanation: x cm = 5.7 in × (2.54 cm/1 in) = 14.5 cm. (See Chapter 1; 1 point for units, 1 point for conversion factor, and 1 point for answer.) Points Received: 3 of 3 Comments: Question 10. Question : (TCO 1) What is the mass of 53 mL of ethyl alcohol, which has a density of 0.79 g/mL? Show your work. Student Answer: Mass=Density x Volume =.79 g/mL x 53 mL =41.87 g Instructor Explanation: x g = 53 mL × (0.79 g/mL) = 42 g. (See Chapter 1; 1 point for units, 1 point for conversion factor, and 1 point for answer.) Points Received: 3 of 3 Comments: Question 11. Question : (TCO 1) What is the mass of 74 mL of ethyl alcohol, which has a density of 0.79 g/mL? Show your work. Student Answer: Mass=Density x Volume = 0.79 g/mL x 74 mL =58.46 g Instructor Explanation: x g = 74 mL × (0.79 g/mL) = 58.5 g. (See Chapter 1; 1 point for units, 1 point for conversion factor, and 1 point for answer.) Points Received: 3 of 3 Comments: Question 12. Question : (TCO 2) Determine the number of protons, neutrons, and electrons for the element shown below. The mass number for the isotope of this element is 81. You must show your work for each determination to receive credit (2 points per determination).