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30) You take a sample of water that is at room temperature and in contact with air and put it under a vacuum. Right away, you see bubbles leave the water, but after a little while, the bubbles stop. As you keep applying the vacuum, more bubbles appear. Friend1 tells you that the first bubbles were water vapor, and the low pressure had reduced the boiling point of water, causing the water to boil. Friend2 tells you that the first bubbles were gas molecules from the air (oxygen, nitrogen, and so forth) that were dissolved in the water. Which friend is mostly likely to be correct? Friend1 Friend2 Both of them is correct. Both of them is wrong. 31) Oil and water are immiscible. Which is the most likely reason? Oil molecules are denser than water. Oil molecules are composed mostly of carbon and hydrogen. Oil molecules have higher molar masses than water. Oil molecules have higher vapor pressures than water. Oil molecules have higher boiling points than water. Option 6

30) You take a sample of water that is at room temperature and in contact with air and put it under a vacuum. Right away, you see bubbles leave the water, but after a little while, the bubbles stop. As you keep applying the vacuum, more bubbles appear. Friend1 tells you that the first bubbles were water vapor, and the low pressure had reduced the boiling point of water, causing the water to boil. Friend2 tells you that the first bubbles were gas molecules from the air (oxygen, nitrogen, and so forth) that were dissolved in the water. Which friend is mostly likely to be correct? Friend1 Friend2 Both of them is correct. Both of them is wrong. 31) Oil and water are immiscible. Which is the most likely reason? Oil molecules are denser than water. Oil molecules are composed mostly of carbon and hydrogen. Oil molecules have higher molar masses than water. Oil molecules have higher vapor pressures than water. Oil molecules have higher boiling points than water. Option 6

Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter10: Solutions
Section: Chapter Questions
Problem 87QAP: When water is added to a mixture of aluminum metal and sodium hydroxide, hydrogen gas is produced....
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SUBJECT : GENERAL CHEMISTRY 2

TOPIC : THE SOLUTION PROCESS AND FACTORS AFFECTING SOLUBILITY

NO NEED FOR COMPLETE SOLUTION JUST THE ANSWERS 

30) You take a sample of water that is at room temperature and in contact with air and put it under a vacuum. Right away, you see bubbles leave the water, but after a little while, the bubbles stop. As you keep applying the vacuum, more bubbles appear. Friend1 tells you that the first bubbles were water vapor, and the low pressure had reduced the boiling point of water, causing the water to boil. Friend2 tells you that the first bubbles were gas molecules from the air (oxygen, nitrogen, and so forth) that were dissolved in the water. Which friend is mostly likely to be correct? Friend1 Friend2 Both of them is correct. Both of them is wrong. 31) Oil and water are immiscible. Which is the most likely reason? Oil molecules are denser than water. Oil molecules are composed mostly of carbon and hydrogen. Oil molecules have higher molar masses than water. Oil molecules have higher vapor pressures than water. Oil molecules have higher boiling points than water. Option 6
Transcribed Image Text:30) You take a sample of water that is at room temperature and in contact with air and put it under a vacuum. Right away, you see bubbles leave the water, but after a little while, the bubbles stop. As you keep applying the vacuum, more bubbles appear. Friend1 tells you that the first bubbles were water vapor, and the low pressure had reduced the boiling point of water, causing the water to boil. Friend2 tells you that the first bubbles were gas molecules from the air (oxygen, nitrogen, and so forth) that were dissolved in the water. Which friend is mostly likely to be correct? Friend1 Friend2 Both of them is correct. Both of them is wrong. 31) Oil and water are immiscible. Which is the most likely reason? Oil molecules are denser than water. Oil molecules are composed mostly of carbon and hydrogen. Oil molecules have higher molar masses than water. Oil molecules have higher vapor pressures than water. Oil molecules have higher boiling points than water. Option 6
29) A molecular-level representation of a solution is shown. Is the solute an electrolyte or a nonelectrolyte? electrolyte nonelectrolyte neither an electrolyte nor a nonelectrolyte 28) Steel, an alloy of iron which contains up to 1.5% carbon. In this solid solution, which is the solvent? iron 1 carbon water none of the above
Transcribed Image Text:29) A molecular-level representation of a solution is shown. Is the solute an electrolyte or a nonelectrolyte? electrolyte nonelectrolyte neither an electrolyte nor a nonelectrolyte 28) Steel, an alloy of iron which contains up to 1.5% carbon. In this solid solution, which is the solvent? iron 1 carbon water none of the above
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