When canning jams and jellies, a small air space is left between the top of the jam and the jar lid, which is only loosely tightened. The jar is then submerged in boiling water for several minutes. During this time, bubbles are observed emerging from the jar. After the jar is removed from the hot water, the lid is soon heard "popping down" tightly on the jar to seal it. a Explain why bubbles are observed to emerge from the jar when it is in the boiling water. b Explain why the lid "pops down" on the jar top soon after removing the jar from the boiling water.

When canning jams and jellies, a small air space is left between the top of the jam and the jar lid, which is only loosely tightened. The jar is then submerged in boiling water for several minutes. During this time, bubbles are observed emerging from the jar. After the jar is removed from the hot water, the lid is soon heard "popping down" tightly on the jar to seal it. a Explain why bubbles are observed to emerge from the jar when it is in the boiling water. b Explain why the lid "pops down" on the jar top soon after removing the jar from the boiling water.

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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