Kilochan
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 Adriana Melara
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Questions Asked

Kilochan:
Calculus Help! Concavity...
For the function f(x)=(x²/4)+cosx on the interval (0,2π) , find the intervals on which the function is concave …
 updated 5 months ago
 3 replies
 No Medals Yet
Mathematics

Kilochan:
Calculus 1
Find the derivative of: g(x)=3x^4 cos(x)
This is what I am getting. Can anyone check the work??
…
 updated 6 months ago
 9 replies
 2 Medals
Mathematics

Kilochan:
Sketch the graph of a single function f that has the
following properties. NOTE: There are many correct
answers.
…
 updated 7 months ago
 12 replies
 1 Medal
Mathematics

Kilochan:
Simplify the expression
(5x²+2x+4/x⁴16) / (25x²+20x+4/x² 2x)
…
 updated 7 months ago
 16 replies
 1 Medal
Mathematics

Kilochan:
Check My Chemical Equilibrium Problem!
4.2 mol of oxygen and 4.0 mol of NO are introduced to an evacuated 0.50 L reaction vessel. At a spe…
 updated 8 months ago
 4 replies
 1 Medal
Mathematics

Kilochan:
IONIZATION PROBLEM!!
calculate the original molarity solution of acetic acid that is 3.0% ionized. Ka= 1.8x10^5
the answer is 1.9x10^2 M…
 updated 8 months ago
 1 reply
 4 Medals
Mathematics

Kilochan:
The reversible reaction 2SO2(g) + O2(g)<===> 2SO3(g)
has come to equilibrium in a vessel of specific volume at a given temperature. Before …
 updated 9 months ago
 1 reply
 No Medals Yet
Mathematics

Kilochan:
Formic acid is responsible for the sting of an ant bite. An aqueous solution of formic acid has a molality of 11.19m and a solution density …
 updated 9 months ago
 4 replies
 No Medals Yet
Mathematics

Kilochan:
if 10 g ice at 10 degrees celsius is placed in 200 g of water at 80 degrees celsius in an insulated container, what will be the temperature…
 updated 10 months ago
 2 replies
 No Medals Yet
Mathematics

Kilochan:
If 100 grams of liquid water at 100 degrees Celcius and 200 grams of water at 20 degrees Celcius are mixed in an insulated container, what w…
 updated 10 months ago
 4 replies
 2 Medals
Mathematics

Kilochan:
The molar solubility of AgCl in 6.5 x 10^3 M AgNO3 is 2.5 x 10^8 M. In deriving Ksp from these data, which of the following assumptions ar…
 updated 11 months ago
 No Medals Yet
Mathematics

Kilochan:
500 mL of .45 M HCL is reacted with 250 mL of .90 M NaOH in a constant pressure calorimeter. the initial temperature of the solution is 21.7…
 updated 11 months ago
 No Medals Yet
Mathematics

Kilochan:
How is the solubility of the following compounds affected in an acidic solution?
a)Ca(OH)2
increases, decreases, or not affected?
…
 updated 11 months ago
 No Medals Yet
Mathematics

Kilochan:
The molar solubility of AgCl in 6.5 x 10^3 M AgNO3 is 2.5 x 10^8 M. In deriving Ksp from these data, which of the following assumptions ar…
 updated 11 months ago
 1 reply
 No Medals Yet
Mathematics

Kilochan:
\[\sum_{k=0}^{5}(3j+2)\]
sum is equal to:______
Apparently the answer is 18j+12
…
 updated 11 months ago
 9 replies
 1 Medal
Mathematics

Kilochan:
Trig!If b=4.3m, c=6.8m, and A=118°, find a
I don't know what to do with a "c" added to this. Our book only gives one example and it's nothi…
 updated 11 months ago
 37 replies
 3 Medals
Mathematics

Kilochan:
Find vertices, foci and the main axis
(x^2/25)+(y^2/16)=1
Center=_____
…
 updated 11 months ago
 5 replies
 No Medals Yet
Mathematics

Kilochan:
TRIGONOMETRIC FUNCTIONS!!
If you scroll down a bit after you click this link, you will find "5.2 exercises". We just went over some quick c…
 updated one year ago
 25 replies
 2 Medals
Mathematics

Kilochan:
Thermodynamics!!!
Consider the reaction:
2 H2O (g)>2 H2 (g) + O2 (g)
…
 updated one year ago
 7 replies
 No Medals Yet
Mathematics

Kilochan:
A volume of 5.0 L of polluted air at 18.0°C and 747 mmHg is passed through lime water [an aqueous suspension of Ca(OH)2], so that all the ca…
 updated one year ago
 No Medals Yet
Mathematics

Kilochan:
To a sample of water at 23.4oC in a constant pressure calorimeter of negligible heat capacity is added a 12.1 g piece of aluminium whose tem…
 updated one year ago
 3 replies
 1 Medal
Mathematics

Kilochan:
2^(2x3)=5^(x2)
Find the exact solution, using common logarithms, and a twodecimalplace approximation of each solution, when appropriat…
 updated one year ago
 10 replies
 1 Medal
Mathematics

Kilochan:
log[3](x2)=log[3] 27  log[3](x4) 5^(log[5]1)
I have tried this out and right now all I am getting is
log[3] (x2)(x4)/27= 5^(log[5] …
 updated one year ago
 11 replies
 1 Medal
Mathematics

Kilochan:
log question!
Log[2] (x+3)+log[2] (x+5)=1
answer: 2
…
 updated one year ago
 24 replies
 1 Medal
Mathematics

Kilochan:
log question!
Log[2] (2x3)+log[2] (x+5)=1
answer: 2
…
 updated one year ago
 No Medals Yet
Mathematics

Kilochan:
Logarithms question!
log[2](x)+log[2](2x)=3
I'e tried solving this and the correct answer is 2. But I keep getting 3. Help :(
 updated one year ago
 No Medals Yet
Mathematics

Kilochan:
Inverse Functions!
Use the theory of inverse functions to prove that f and g are inverse functions of eachother, and sketch the graph of f …
 updated one year ago
 11 replies
 1 Medal
Mathematics

Kilochan:
find (a) (fog)(x) and domain of (fog). (b) (gof)(x) and domain of (gof)
f(x)=sqrt(x2) , g(x)=sqrt(x+5)
So far I got this:
…
 updated one year ago
 No Medals Yet
Mathematics

Kilochan:
find (a) (f*g)(x) and the domain of f*g.
f(x)=x^23x g(x)= sqrt(x+2)
answers: (f*g)= x+23 sqrt(x+3)
…
 updated one year ago
 9 replies
 1 Medal
Mathematics

Kilochan:
precal
f(g(2))
f(x)=3x^2+4 g(x)=5x
…
 updated one year ago
 6 replies
 1 Medal
Mathematics
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