Questions Answered

sat_chen:
Group Title
What products will result from the addition of aqueous copper (II) nitrate and ammonium sulfide?
a. Molecular equation:
…
 updated 9 months ago
 2 replies
 2 Medals

sat_chen:
Group Title
Aluminum chloride is used as a catalyst in various industrial reactions. It is prepared from hydrogen chloride gas and solid aluminum meta…
 updated 10 months ago
 5 replies
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sat_chen:
Group Title
Divide a circle into some number (>1) convergent pieces such that some of the pieces borders do not intersect the center.
 updated one year ago
 1 reply
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sat_chen:
Group Title
Determine whether the series is absolutely convergent, conditionally convergent, or divergent
 updated one year ago
 3 replies
 1 Medal

sat_chen:
Group Title
sum from n=1 to infinity of (1)^(n)*(e^(2n+1))/(e^(2n1))
…
 updated one year ago
 1 reply
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sat_chen:
Group Title
sum of 3^(1/n) from 1 to infinity
…
 updated one year ago
 3 replies
 2 Medals

sat_chen:
Group Title
http://www.wolframalpha.com/input/?i=sum+of+%2899%5En%28n%5E5%2B2%29%29%2F%28n%5E2*10%5E%282n%29%29+1+to+infi
 updated one year ago
 22 replies
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sat_chen:
Group Title
sum of (n^10 +10)/n! n=1 to infi
 updated one year ago
 27 replies
 3 Medals

sat_chen:
Group Title
determine whether the series converges or diverges n=1 to infinity of (n+ln x)/(n^3+n+1)
 updated one year ago
 21 replies
 1 Medal

sat_chen:
Group Title
integral from (0 to pi/2 ) tanx^2dx
 updated one year ago
 7 replies
 1 Medal

sat_chen:
Group Title
integral from 1 to 2 (x)/((x)^(2)1)dx
 updated one year ago
 1 reply
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sat_chen:
Group Title
find this limit using the l hopital rule
 updated one year ago
 31 replies
 1 Medal

sat_chen:
Group Title
question on how to solve this integration by quadratics
 updated one year ago
 14 replies
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sat_chen:
Group Title
A compound contains 43.30% carbon atoms, 3.61% hydrogen atoms, and 9.79% fluorine atoms by mass. Each molecule of this compound contains one…
 updated one year ago
 1 reply
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kimheartsbryan:
Group Title
81=(1/9)2
 updated one year ago
 10 replies
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sat_chen:
Group Title
Partial integration question
 updated one year ago
 36 replies
 1 Medal

sat_chen:
Group Title
did i get this partial integration question right?
 updated one year ago
 58 replies
 1 Medal

ValentinaT:
Group Title
Help with exponents again?
 updated one year ago
 6 replies
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GTMclachlan:
Group Title
Solve the equation:
5(x – 4) = 3x – 10
 updated one year ago
 5 replies
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liliy:
Group Title
convert: 5 * 10^15 Kg to g
 updated one year ago
 5 replies
 2 Medals

sat_chen:
Group Title
Can someone explain me this trigonometric substitution
…
 updated one year ago
 21 replies
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sat_chen:
Group Title
integral subsitution confused
 updated one year ago
 34 replies
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sat_chen:
Group Title
stuck at this part in trig substitution
 updated one year ago
 20 replies
 3 Medals

sat_chen:
Group Title
verify my trigonometric substitution
 updated one year ago
 16 replies
 2 Medals

aspenfields:
Group Title
Which of the following gases is the best choice for inflating a balloon that must remain inflated for a long period of time?
argon, oxygen,…
 updated one year ago
 1 reply
 4 Medals

sat_chen:
Group Title
It was pointed out that mass and energy are alternate aspects of a single entity called massenergy. The relationship between these two phys…
 updated one year ago
 66 replies
 1 Medal

sat_chen:
Group Title
Pls help me with a conversion question
 updated 2 years ago
 1 reply
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sat_chen:
Group Title
Conversion question
 updated 2 years ago
 1 reply
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sat_chen:
Group Title
am i doing this integration right?
( wait like 2 min to draw my problem and solution steps) thanks
 updated 2 years ago
 51 replies
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sat_chen:
Group Title
help me with integration
 updated 2 years ago
 4 replies
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