Sunday
December 8, 2013

# Posts by Confused

Total # Posts: 291

Chemistry
ok the answer i got now was 50 degrees celcius

Chemistry
i keep getting 32.3005 for T, if you have worked it out did you use 8.314472 for R, also is -126kj/mol -12600j/mol?

Chemistry
The aquation of tris(1, 10-phenanthroline)iron(II) in acid solution takes place according to the equation: Fe(phen)3^2+ + 3H3O + 3H2O==> (Fe(H2O)6^2+ + 3 phenH^+ If the activation energy is 126 kJ/mol and frequency factor is 8.62 x 1017 s-1, at what temperature is the rate ...

Chemistry
i dont understand where k1 k2 t1 t2 come from... :(

Physics
doesnt vq = - work ?...signs are important since work = -u, and u = vq

Math for teaching.
I need help finding examples of discrete models used in addition. Can you explain this to me or show me a cite that might help. Thanks

Explain the relation between trade and world output. Describe the broad pattern of international trade. If the nations of the world were to suddenly cut off all trade with one another, what products might you no longer be able to obtain in your country? Choose one other countr...

math
complete the table fraction decimal percent 95% .80 3/9 6/8 66 2/3%

New Prague
My son brought home this problem... Make a set of at least 12 numbers that have the following landmarks. minimum: 3 maximum: 9 median: 7 mode: 7 someone please help!

college algebra word problem
Here's the problem I was asked: You are visiting your parents on a farm. They have asked you to design a small rectangular-shaped vegetable garden along an existing wall in their backyard. They wish to surround it with a small fence to protect their plants from animals. Yo...

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