04/07/19

The combustion of gasoline releases 5430 KJ per mole. Calculate the heat produced by the combustion of 1000 g of octane
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04/07/19

What is the significance of the small value of the ionization constant of water and how does it relate to the electrical conductivity of water?
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04/07/19

For the following equilibrium, if Ksp=1.3×10−33, what is the molar solubility of aluminum hydroxide? Al(OH)3(s)↽−−⇀Al3+(aq)+3OH−(aq)
For the following equilibrium, if Ksp=1.3×10−33, what is the molar solubility of aluminum hydroxide?Al(OH)3(s)↽−−⇀Al3+(aq)+3OH−(aq)
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04/01/19

initial volume of a system when the change in internal energy is 982 J
a system fitted with a piston contracts when it gives off 52.3 J of heat to the surroundings. the piston is working against a pressure of .661 atm. the final volume is 50.6 L. what was the initial... more
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04/01/19

a piston contracts
a piston contracts when it loses 51.1 J of heat. its working against a pressure of .549 atm. initial volume is 70.1. what is the final volume if the change in internal energy is 988J?
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03/29/19

White vinegar is a 5.0% by mass solution of acetic acid in water. If the density of white vinegar is 1.007 g/cm3
White vinegar is a 5.0% by mass solution of acetic acid in water. If the density of white vinegar is 1.007 g/cm3
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03/28/19

I figured out the first but am struggling with the second
A roast turkey is taken from an oven when its temperature has reached 190 Fahrenheit and is placed on a table in a room where the temperature is 70 Fahrenheit. (a) If the temperature of the turkey... more
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03/26/19

How do I find the equation of the plane A (1,1,0), B (1,2,1) and C (-2,2,-1) and hence what is the distance between the plane and the line x-6/3=y-3/-1= z+2/1?
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03/26/19

Prove the statement using the epsilon-delta definition of a limit
lim [root(x)+1] / x+1x->1
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03/26/19

What is the derivative of x−−√ using first principles?
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03/26/19

Is it challenging to learn calculus for business?

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03/26/19

mathematically model how a coffee cup’s temperature varies over time.
It has been proposed that the ideal temperature for producing a coffee is 900C. However, this is too hot to enjoy the beverage.Consider a hot cup of coffee. The temperature in the coffee cup will... more
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03/26/19

Is the Maclaurin series expansion of sin x related to the inclusion-exclusion principle?
When I see the alternating signs in the infinite series expansion of sin x, I'm reminded of the inclusion-exclusion principle. Could there be any way to visualize it in such a way? Also, is there... more
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03/25/19

How do I integrate ∫21∫21∫21∫21x1+x2+x3−x4x1+x2+x3+x4dx1dx2dx3dx4?
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03/24/19

Describe the relationship between minutes and monthly cost
Minutes = Xmonthly cost= YLinear Equation is Y=5x+30 (y=mx+b)
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03/23/19

What kind of "mathematical object" are limits?
When learning mathematics I tend to try to reduce all the concepts I come across to some matter of interaction between sets and functions (or if necessary the more general Relation) on them.... more
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03/23/19

Meaning of derivatives of vector fields?
I have a doubt about the real meaning of the derivative of a vector field. This question seems silly at first but the doubt came when I was studying the definition of tangent space. If I... more
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03/23/19

Do data scientists need to understand stochastic calculus
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03/14/19

Why is business calculus important?

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05/11/16

Fit a regression line to the points (0,0), (1,2), (2,7)
Fit a regression line to the points (0,0), (1,2), (2,7)
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10/22/13

Basic Comparison Test and Limit comparison test.
What is the conclusion of the BCT and LCT when applied to: ∑ ∞, n=1  1/(3√(n2) + 9)   equation reads: summation of 1 goes to infinity.... one divided by cubed root of n squared plus nine. X   dd
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