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When two soap bubbles touch, the larger is inflated by the
Chapter 11, Problem 65(choose chapter or problem)
Problem 65PE
When two soap bubbles touch, the larger is inflated by the smaller until they form a single bubble. (a) What is the gauge pressure inside a soap bubble with a 1.50-cm radius? (b) Inside a 4.00-cm-radius soap bubble? (c) Inside the single bubble they form if no air is lost when they touch?
Questions & Answers
QUESTION:
Problem 65PE
When two soap bubbles touch, the larger is inflated by the smaller until they form a single bubble. (a) What is the gauge pressure inside a soap bubble with a 1.50-cm radius? (b) Inside a 4.00-cm-radius soap bubble? (c) Inside the single bubble they form if no air is lost when they touch?
ANSWER:
Part (a)
Step 1 of 7:
A soap bubble is a thin film of a hollow sphere containing air in it. This thin film is made up of soapy water. We are going to find the gauge pressure inside a soap bubble.
The radius of the bubble or
The surface tension of soapy water