CHEM 1021 Week 15 quiz docx CHEM 1021 WEEK 15 QUIZ LATEST UPDATE 2023 / 2024 PASS A++ Question 1 of 25

CHEM 1021 Week 15 quiz docx CHEM 1021 WEEK 15 QUIZ LATEST UPDATE 2023 / 2024 PASS A++ Question 1 of 25 4.0 Points A sample of a gas occupies 1.40 × 103 mL at 25°C and 760 mmHg. What volume will it occupy at the same temperature and 380 mmHg? • A. 1,400 mL • B. 2,800 mL • C. 2,100 mL • D. 1,050 mL • E. 700 mL Question 2 of 25 4.0 Points 9.45 g of liquid hexane (C6H14) is introduced into a 10.0 L vessel containing 13.15 atm of oxygen gas at 21ºC and ignited, yielding carbon dioxide and water. If the vessel is then cooled to –10.ºC, what will be the gas pressure inside the vessel? • C. 10.9 atm A. 12.6 atm • B. 13.2 atm • • D. 3.09 atm • E. 1.42 atm Question 3 of 25 4.0 Points A pressure that will support a column of Hg to a height of 256 mm would support a column of water to what height? The density of mercury is 13.6 g/cm3 ; the density of water is 1.00 g/cm3 .