Let's keep things simple. I have pure water. pH = 7.
I want to add a buffer. I add the weak acid. It dissociates little. So the pH is still close to neutral. So far so good.
The problem is, we are also adding conjugate base (the conjugate base is strong). Why doesn't the added base consume the...
I wonder why they can't explain it like this in textbooks. They just expect you to take it at face value. Even the high school teacher doesn't seem to know this explanation. He just knows that it's "induction". And then they expect you to solve problems, when they did 0 teaching.
When you negatively charge a balloon, by rubbing it on clothes, and then placing it against the wall, why doesn't the electrons move to the wall, causing the balloon to drop?
I would have thought the electron transfers to the wall - therefore an example of conduction.
Why is it induction and...
In the follicular phase, once the estradiol level reaches a certain threshold, it causes a switch from negative feedback to positive feedback on LH & FSH. That is why we have a surge near the end of the follicular phase.
My question is, what makes estradiol rise and reach that threshold to...
Not about momentum. But about the description of the two plates. Here is what you said:
"To get an idea of viscous friction, think extreme cases like very viscous fluids like molasses, pancake syrup, and corn syrup. Imagine that you have the fluid contained between two horizontal parallel...
Yes.
As it applies to this problem, the force pushing the fluid against friction (pushing the fluid from left to right) is getting reduced (I am assuming because of the friction it has incurred to get from the beginning of the journey to the middle of the journey, if for example we look at...
To say that momentum is transported sideways is to imply that the force is acting at the center of the fluid, and the radial fluid is carried along by shear stress (thus momentum). When I asked before if the force is acting on the middle, I was told no, it acts against the cross sectional area...
That makes sense. Someone else in this thread also told me something like this actually, which I forgot about. This is the best example so far. So the middle of the book has half the pressure?
I think I understand - so the fluids pressure stays proportional to how much fluid it has in front of...
I can. But that doesn't mean I can relate it to pressure drop.
And also: Why can't a constant pressure drive the fluid through the pipe? Why does it have to decrease for there to exist a flow. When I drag a book across the floor at constant speed, I do so with constant pressure. Why must there...
I meant more in the sense of if a scientist was investigating and wanted to know why the pressure at point C is less than point A, when discovering it or the first time in human history. Saying that "because otherwise flow wouldn't occur" doesn't explain why there is a difference, just that it...