Wednesday
August 27, 2014

Posts by Mello


Total # Posts: 14

Chem Help Please!!!
Using quantum mechanics as a basis, explain in detail why there are exactly 14 elements shown in the Lanthanide series of the periodic table. Thank you!
August 26, 2014

Chemistry Help Please!!!
What initially forms as pale blue and pale green precipitates when NH3(aq) is added to [Cu(H2O)6]^2+ and [Ni(H2O)6]^2+ solutions, respectively?
March 27, 2014

Calculus Help
Use f(x)= 1/(square root(x)+1) to answer the following; -- Use the difference quotient f'(x)=lim z->x (f(x)-f(z))/ (x-z) to find f'(x)! Please show steps!!! Thank you!!!
February 28, 2014

Chem Check Please!!!
Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. The first dissociation step is: H3BO3 ⇌ H+ + H2BO3, Ka1 = 7.3 x 1010; the second dissociation step is: H2BO3 ⇌ H+ + HBO32, Ka2 = 1.8 x 1013; and the third dissociation step is: HBO3 ⇌...
February 21, 2014

Calculus Help
[-273.15,infinity) is the domain!!!
February 19, 2014

Calculus Help
what is the domain? thank you!
February 19, 2014

Calculus Help
The formula C =5/9(F − 32), where F ≥ −459.67, expresses the Celsius temperature C as a function of the Fahrenheit temperature F. Find a formula for the inverse function. What is the domain of the inverse function? (Enter your answer using interval notation.)
February 19, 2014

Chemistry Help Please!!!
1) Boric acid, H3 BO3, is a triprotic acid that dissociates in three reactions. The first dissociation step is: H3BO3 ⇌ H^+ + H2BO3^-, K(a1) = 7.3 x 10^-10; the second dissociation step is: H2BO3^- ⇌ H^+ + HBO3^-2, K(a2) = 1.8 x 10^-13; and the third dissociation ...
February 17, 2014

Calculus-Help Please
Find a function f(x), perhaps a piecewise function that is defined but not continuous on (-infinity, infinity) for which the function lf(x)l is both defined and continuous on (-infinity, infinity). f(x)= lf(x)l =
February 12, 2014

PRE-CALC help please
A pedal socket has a radius of 4 in and the wheel socket has a radius of 2 in. The wheel has a radius of 13 in. The cyclist pedals at 30rpm Find the angular speed of the socket. Find the speed of the bicycle- (assuming the weel turns the same as the wheel socket)
November 8, 2013

PRE-CALC HELP
Sorry I accidentally submitted my question here.
November 8, 2013

PRE-CALC help please
A pedal socket has a radius of 4 in and the wheel socket has a radius of 2 in. The wheel has a radius of 13 in. The cyclist pedals at 30rpm Find the angular speed of the socket. Find the speed of the bicycle- (assuming the weel turns the same as the wheel socket)
November 8, 2013

English Help Please
What literary devices do you see in this monologue? For example is there figurative language or symbolism? How do these literary devices contribute to a deeper meaning of this monologue? what specifically do they tell you about the character speaking or about the subject ...
November 18, 2012

orientalism of muslim and arab american
SMH @ UoP maybe they need to change the syllabus or something same question....maybe just want you to guess to show that you are trying
August 6, 2006

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