An example of a colloid which is composed of a liquid dispersed in a gas would be
1 answer:
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Answer:
Explanation:
Using Laplace's law of surface tension:
where:
P = pressure
T = surface tension
r = radius
In the longer alveoli with radius of 0.07 mm = ; we have:
P =
P =
In the smaller alveoli with radius 0.05 mm = ; we have:
P =
P =
The pressure difference can now be calculate as follows:
Pressure difference =
Pressure difference =
Answer:
<h2>8</h2>Explanation:
The pH of a solution can be found by using the formula
From the question we have
We have the final answer as
<h3>8 </h3>Hope this helps you