8) The vessel to be weighed should be placed of the pan. (off to the side, or in the center) 9) After heating a sample in a dish it will save time to weigh it immediately or cool it completely? 10) To avoid the errors in mass due to the use of balances that are not calibrated, one should weigh by a method called
8) The vessel to be weighed should be placed of the pan. (off to the side, or in the center) 9) After heating a sample in a dish it will save time to weigh it immediately or cool it completely? 10) To avoid the errors in mass due to the use of balances that are not calibrated, one should weigh by a method called
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:8) The vessel to be weighed should be placed
of the pan.
(off to the side, or in the center)
9) After heating a sample in a dish it will save time to weigh it immediately or cool it completely?
10) To avoid the errors in mass due to the use of balances that are not calibrated, one should weigh by a
method called
11) If you weigh a hot object on the balance, the reading will be higher, the same, or lower than if it had
been weighed after it cools to room temperature?
(higher, the same, or lower)
12) If you weigh a cold object on the balance, the reading will be higher, the same, or lower than if it had
been weighed after it warms up to room temperature?
(higher, the same, or lower)
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