Knowledge Check Question 3 Predict what will be observed in each experiment below. predicted observation (choose one) experiment A bigger mass of NaCl precipitate will form in Sample #2. Two 250 mL samples of water are drawn from a deep well bored into a large underground salt (NaCl) deposit. Sample #1 is from the top of the well, and is initially at 42 °C. Sample #2 is from a depth of 150 m, and is A smaller mass of NaCl precipitate will form in Sample #2. O The same mass of NaCl precipitate will form in Sample #2. initially at 8 °C. Both samples are allowed to come to room temperature (20 °C) and 1 atm pressure. An NaCI precipitate is seen to form in Sample #1. O No precipitate will form in Sample #2. I need more information to predict whether and how much precipitate will form in Sample #2. The bubbles will shrink, and some may vanish. A student sees tiny bubbles clinging to the inside of an unopened plastic bottle full of carbonated soft drink. The student opens the bottle, and hears a loud hiss as gas under pressure escapes from the bottle. O The bubbles will grow, and more may appear. O The bubbles won't change. I need more information to predict what will happen to the bubbles. III

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
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Knowledge Check
Question 3
Predict what will be observed in each experiment below.
predicted observation
(choose one)
experiment
A bigger mass of NaCl precipitate will form in Sample #2.
Two 250 mL samples of water are drawn from a deep
well bored into a large underground salt (NaCI) deposit.
Sample #1 is from the top of the well, and is initially at
42 °C. Sample #2 is from a depth of 150 m, and is
A smaller mass of NaCl precipitate will form in Sample #2.
The same mass of NaCl precipitate will form in Sample #2.
initially at 8 °C. Both samples are allowed to come to
No precipitate will form in Sample #2.
room temperature (20 °C) and 1 atm pressure. An NaCl
precipitate is seen to form in Sample #1.
I need more information to predict whether and how much
precipitate will form in Sample #2.
O The bubbles will shrink, and some may vanish.
A student sees tiny bubbles clinging to the inside of an
unopened plastic bottle full of carbonated soft drink. The
student opens the bottle, and hears a loud hiss as gas
under pressure escapes from the bottle.
The bubbles will grow, and more may appear.
O The bubbles won't change.
I need more information to predict what will happen to the
bubbles.
I Don't Know
Subrt
Transcribed Image Text:Knowledge Check Question 3 Predict what will be observed in each experiment below. predicted observation (choose one) experiment A bigger mass of NaCl precipitate will form in Sample #2. Two 250 mL samples of water are drawn from a deep well bored into a large underground salt (NaCI) deposit. Sample #1 is from the top of the well, and is initially at 42 °C. Sample #2 is from a depth of 150 m, and is A smaller mass of NaCl precipitate will form in Sample #2. The same mass of NaCl precipitate will form in Sample #2. initially at 8 °C. Both samples are allowed to come to No precipitate will form in Sample #2. room temperature (20 °C) and 1 atm pressure. An NaCl precipitate is seen to form in Sample #1. I need more information to predict whether and how much precipitate will form in Sample #2. O The bubbles will shrink, and some may vanish. A student sees tiny bubbles clinging to the inside of an unopened plastic bottle full of carbonated soft drink. The student opens the bottle, and hears a loud hiss as gas under pressure escapes from the bottle. The bubbles will grow, and more may appear. O The bubbles won't change. I need more information to predict what will happen to the bubbles. I Don't Know Subrt
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