Which is the stronger base: sodium acetylide (NaC≡CH) or sodium ethoxide (NaOCH2CH3)?
Determining base strength using ions, base, conjugate acids, and the pKa of the conjugate acids.
Problem taken from ‘Organic Chemistry’ (9th ed.) by Carey and Gi...

From Nico B

Which is the stronger base: sodium acetylide (NaC≡CH) or sodium amide (NaNH2)?
Determining base strength using ions, base, conjugate acids, and the pKa of the conjugate acids.
Problem taken from ‘Organic Chemistry’ (9th ed.) by Carey and Giuliano....

From Nico B

1,000 piece puzzle time lapse of Potsdam, Germany. An old 'Big Ben' brand jigsaw puzzle.
Music: TheFatRat - Fly Away feat. Anjulie
https://lnk.to/ftrflyaway...

From Nico B

A quick tutorial on how to use the Night Light Mode in Windows 10. Night light displays warmer colors at night to help you fall asleep at night and is easier on your eyes. Similar to the program f.lux, but now built in to Windows 10....

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Consider the following
x=e^4t, y=t+9
(a) Eliminate the parameter to find a Cartesian equation of the curve(b) Sketch the curve and indicate with an arrow the direction in which the curve is traced as the parameter increases...

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Find the domain of the vector functionr(t)=⟨√(36−t^2 ), e^(−5t), ln(t+4)⟩
Find the domain of the vector functionr(t)=⟨sqrt(36−t^2 ), e^(−5t), ln(t+4)⟩...

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Finding and classifying critical points on a surface and then completing some slope analysis with a story problem
-like scenario.
7. You are standing on a surface where the height is given by
𝑓(𝑥,𝑦)=50+𝑥𝑦−3𝑥−1/4 𝑦^4.
Assume ...

From Nico B

Using double integrals to find volume over a specified region R of a described area and converting from Cartesian (rectangular) coordinates into polar to solve more easily given the provided information.
UW Math 126
2013 Autumn Final, Question #6
6. ...

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How to sketch the domain of a function in three variables and how to approximate the change in z or f(x,y) using the total differential given changes in x and y values.
Let x = f(x,y) = sqrt(4-x^2)/(sqrt(y^2-9).
(a) Find and sketch the domain of f(x,y)
...

From Nico B

Deluxe Triple Monitor Stand (desk clamp version) assembly tutorial. I had no instructions for the construction, but it was fairly straightforward in assembly. Purchased from Amazon by EasyMountLCD....

From Nico B

Finding the unit tangent, normal, and binormal vectors from a given curve.
Given the curve r(t)=(5cos(t), 1+3sin(t), 4sin(t))
Compute the vectors: T(t), N(t), and B(t)...

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Related Rates in Calculus.
Definition
A related rates situation is one in which more than one distance is varying. Hence, it relates the relationships between different variables and the rate at which they are changing. Implicit differentiation will be...

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An overview and only very brief definition of optimization, in terms of calculus, followed by two elementary examples of such problems.
To optimize in calculus means to maximize or minimize some aspect of a function. This is done by using the deriva...

From Nico B

A short "unboxing," overview, and look at the IVSO Slim Smart Cover Case for the Dell Venue 8 Pro with my impressions after using the pair for a while. Watch my Dell Venue 8 Pro unboxing and overview for more details about the tablet itself!...

From Nico B

A look at the antiderivative (indefinite integral) in calculus. A not overly helpful definition and a couple of examples to clarify.
Antiderivative
Definition
A function is an antiderivative (primitive integral, indefinite integral) of a func...

From Nico B

An overview of both natural log and numerical-base logarithms and their derivatives, followed by examples of both types.
Definition
Derivative of ln(x)
Having learned about the derivative of , the derivative of its inverse ( ) is much clearer....

From Nico B