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chapter 7 quiz chem 133

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Question 1 of 25 4.0/ 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 densit... y of water is 1.00 g/cm3 .  A. 1.00 × 102 ft  B. 33.8 ft  C. 18.8 mm  D. 348 cm  E. 76.0 cm Feedback: See Chapter 09 Question 2 of 25 0.0/ 4.0 Points A physics experiment is conducted at a pressure of 14.0 kPa. What is this pressure in mmHg?  A. 1.87 mmHg  B. 1.84 x 10–2 mmHg  C. 1.40 x 104 mmHg  D. 18.4 mmHg  E. 105 mmHg Feedback: See Chapter 09 Question 3 of 25 4.0/ 4.0 Points When active metals such as magnesium are immersed in acid solution, hydrogen gas is evolved. Calculate the volume of H2(g) at 30.1°C and 0.85 atm that can be formed when 275 mL of 0.725 M HCl solution reacts with excess Mg to give hydrogen gas and aqueous magnesium chloride.  A. 2.9 L  B. 5.8 L  C. 3.4 × 10-3 L  D. 11.7 L  E. 2.2 L [Show More]

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