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Questions Asked on April 29, 2007

? MnO4– + ?H+ + ?C2O42– --> ?Mn2+ + ?H2O + ?CO2what's the balanced equation? correct coefficients? is it 1MnO4- + 2H+ +
1. 4 answers
2. asked by christine
3. 5,393 views
what is the solubility of silver carbonate in water in 25 degrees celcius if Ksp=8.4X10-12? i don't know what to doWrite the
1. 1 answer
2. asked by joe
3. 4,161 views
Write a net ionic equation for the reaction of the aqueous species ammonia and hydrofluoric acid.I don't think mine is coming
1. 1 answer
2. asked by Christine
3. 2,452 views
How do I go about tackling this problem?The American Medical Association wishes to determine the percentage of obstetricians who
1. 1 answer
2. asked by Edward
3. 2,376 views
how would you begin this question?An empty 15.0 L cylinder, .500 moles of gaseous PCl5 are added and allowed to reach
1. 1 answer
2. asked by Anonymous
3. 1,784 views
Please help me to find the first and third quartiles, Q1 and Q3, of the following set of numbers.13, 7, 15, 13, 13, 12, 9, 11,
1. 1 answer
2. asked by carmen
3. 1,726 views
sulfur trioxide gas dissociates into sulfer dioxide gas and oxygen gas at 1250 degrees C. In an experiment, 3.6 moles of sulfur
1. 1 answer
2. asked by alexa
3. 1,622 views
A tube is open only at one end. A certain harmonic produced by the tube has a frequency of 445.0 Hz. The next higher harmonic
1. 1 answer
2. asked by Cavin
3. 1,542 views
WRITE THE GREATEST POSSIBLE ERROR FOR EACH MEASUREMENT.43mL I don't understand the question It depends on the graduations. I
1. 2 answers
2. asked by SANDRA
3. 1,330 views
A buffer is prepared by dissolving .0250 mol of sodium nitrite, NaNO2, in 250.0 mL of .0410 M nitrous acid, HNO2. Assume no
1. 1 answer
2. asked by Simpson
3. 1,327 views
How did the Louisiana Purchase affect the size of the U.S?Look at a map of the purchase; then look at the number of square miles
1. 1 answer
2. asked by Mack
3. 1,301 views
Speakers A and B are vibrating in phase. They are directly facing each other, are 7.4 m apart, and are each playing a 72.0 Hz
1. 0 answers
2. asked by Coreen
3. 1,284 views
Kw = KaKb. With this equation you can convert any Ka to Kb and the reverse.Codeine (Cod), a powerful and addictive painkiller,
1. 2 answers
2. asked by DrBob222
3. 1,144 views
I am doing a reading comprehension project and I need to find a book and a song about "the elderly". Please Help!!do you mean
1. 0 answers
2. asked by Suzanne
3. 1,098 views
Check out this site.http://www.cultureandrecreation.gov.au/articles/poetry/ Dear all, I need a poem that will help me answer the
1. 0 answers
2. asked by Ms. Sue
3. 1,077 views
Marginal Cost = 30sqroot(x+4) with fixed costs of $1000.Marginal Revenue = 900. find profit or loss from production and sale of
1. 0 answers
2. asked by Rob
3. 1,045 views
for the evaporation of water during perspiration on a hot dry day1.delta H is greater than zero and Tdelta S is equal to Delta H
1. 0 answers
2. asked by ok
3. 1,042 views
unknown element X combines with oxygen to form the compund XO2. If 44.0 grams of element X combines with 8.00 grams of oxygen,
1. 0 answers
2. asked by alexa
3. 1,024 views
I was just wondering if anyone could help me with the following problem. I am not sure even where to start.Reed, Sharp, and
1. 2 answers
2. asked by undecided
3. 1,021 views
why would lowering the temp and decreasing the pressure not increase the rate of the reaction: carbon monoxide gas is combusted
1. 0 answers
2. asked by alexa
3. 995 views
Could someone please find me a website that has great information on Business enterprise in America so I can make a timeline on
1. 0 answers
2. asked by Dave
3. 993 views
1b - I have to draw a cross section showing the relationship with gabbro cutting across sandstone and schist with schist being
1. 0 answers
2. asked by Desmond
3. 961 views
Do you think the first world war created the 20th century? why or why notI think it helped. Maybe you think differently. What
1. 0 answers
2. asked by Bryn
3. 952 views
The volume of a larger prism is 168 cubic cm. if the prisms are similar with a linear ratio of 3:2 what is the volume of the
1. 0 answers
2. asked by emily
3. 932 views
couldI have to write an essay on the question what is the most important issue facing the global economy? explain the issue in
1. 0 answers
2. asked by Greg
3. 810 views
Section: Ionization expressions, Weak BasesUsing the equilibrium constants listed in your book, arrange the following .1 M
1. 0 answers
2. asked by Chris
3. 808 views
Which term best describes the measure of the increase in the concentration of a product per unit time?activation energy,
1. 0 answers
2. asked by sue
3. 782 views
What vital right did the Spanish allow the Western farmers?Answer: It was that Spain allowed Americans to travel on the lower
1. 0 answers
2. asked by Mack
3. 765 views
In "The Open Window" What does "Romance at short notice was her speciality" means?Does it means that romance was all she had to
1. 0 answers
2. asked by DANIELLE
3. 722 views
demand = (p+1)sqroot(q+1)=1000. Find elasticity of demand at a price of $39 per unit.I am really struggling with this problem is
1. 0 answers
2. asked by Rob
3. 707 views
You are stranded on a deserted island, and along the way you stumble across a genie. He says he will get you off the island
1. 0 answers
2. asked by Bob
3. 697 views
can anyone help please???im asked to explain the meaning of glycosidic C1 - C4 Linkage. Im not 100% clear on it!! Any ideas??
1. 0 answers
2. asked by bertie
3. 697 views
Does anyone know anything about the Buddhist monk Ummon?I read a koan (a type of Buddhist proverb or riddle) by Ummon that said
1. 0 answers
2. asked by Tyler
3. 695 views
i need help solvin this quadratic equation2x^2+x-6=0 1/3x^2+8x-3=0 Try to factor, then set the factors equal to 0 to find
1. 0 answers
2. asked by jc
3. 694 views
Okay, so apparently ASA and FeCl3 form a violet complex and FeCl3 forms with phenol groups to make purple. Looking at the
1. 0 answers
2. asked by Andrea
3. 687 views
Can someone help me find the value of B in this expression????log 64 = Blog 4 5 5 Grrr... sorry about that. Here's the
1. 1 answer
2. asked by UnstoppableMuffin
3. 662 views
i have two answers to this problem so am not sure which way I need to do in or should say the order i should do it. lease
1. 0 answers
2. asked by Anonymous
3. 650 views
What enormous area of land was anchored to the South by the city of New Orleans?http://en.wikipedia.org/wiki/Louisiana_Purchase
1. 0 answers
2. asked by Mack
3. 648 views
Hi I have to give a presentation in which I must speak of my author Ernest Hemingway, the presentation must include*definiton of
1. 0 answers
2. asked by claudia
3. 642 views
i need to write a poem about my life it has to be a simile poem. Life is like a ___________ and 10 lines about that thing i need
1. 0 answers
2. asked by anonymous
3. 635 views
Which of these statements are in accord with the three laws of thermodynamics?-A-The entropy of the universe never decreases
1. 0 answers
2. asked by anonymous
3. 625 views
Conduct Break-Even Analysis in the following two scenarios:R Squared is a mobile diagnostic imaging company that performs MRI
1. 0 answers
2. asked by sarah
3. 610 views
How do I go about tackling this problem?(I made a problem-modifying typo in the first) The American Medical Association wishes
1. 0 answers
2. asked by Edward
3. 605 views
The area of a regular pentagon with a perimeter of 35 units.Join the centre to each vertex to form 5 eq Join the centre to each
1. 0 answers
2. asked by Kate
3. 604 views
anyone know some controversial issues in the news papers lately?if so, please tell me.i really need it.=)thanks! Go to
1. 0 answers
2. asked by Twinkle
3. 602 views
Find the area between the curve y=4/x and the x-axis from x=1 to x=e.It is a review question for my final exam and I am really
1. 0 answers
2. asked by Evan
3. 597 views
after 30 seconds of translation you treat a cell with a chemical that blocks the P site on the ribosome so that it does not
1. 0 answers
2. asked by cookie
3. 566 views
Why was Thomas Jefferson alarmed to learn that the French controlled the Louisiana Territory?Answer: He was worried about
1. 0 answers
2. asked by Mack
3. 560 views
can anyone help me to figure out how to work out STANDARD DEVEATION CALCULATIONS please?Do you have a specific example? There
1. 0 answers
2. asked by nicky
3. 555 views
what has an sp2 hybridized carbon?Amine Alcohol Keytone Ethers Aldehyde
1. 0 answers
2. asked by markr
3. 553 views
Please help me! I need the title of a book that's subject is based on ignorance and another on choice or making a decision.Harpe
1. 0 answers
2. asked by Cynthia
3. 540 views
An organ pipe is open at both ends. It is producing sound at its sixth harmonic, the frequency of which is 257 Hz. The speed of
1. 0 answers
2. asked by Cavin
3. 530 views
What is most likely to oxidize out of the following transition metal:? Platinum, copper, gold, palladium, silver?i believe its
1. 0 answers
2. asked by markr
3. 528 views
Did Buddha die from eating rotten pork or bad mushrooms? I've heard both; what's the historical conclusion on the matter?Thank
1. 0 answers
2. asked by Tyler
3. 523 views
Please help me to find the least common multiple of 24 and 48.1st go to this site: http://www.aaamath.com/fra66i-lcm.html Then
1. 0 answers
2. asked by carmen
3. 522 views
Which factors below affect the rate of a chemical reaction?-Collision frequency -Number of collisions having the least
1. 0 answers
2. asked by anonymous
3. 513 views
What were the 2 most valued possessions of the pioneers that owned the conestoga wagon?You may be able to find your answer in
1. 0 answers
2. asked by Mack
3. 507 views
Hi everyone! In my quest to better understand Buddha and his teachings, I have decided to conduct a three-day fast in the hopes
1. 0 answers
2. asked by Tyler
3. 493 views
"research a controversial issue, either comtemporary or historical, and explain how the audience is positioned by newspapers to
1. 0 answers
2. asked by Twinkle
3. 487 views
q=(100/p+1)^2 - 1what is q'? use the chain rule: q' = 2(100/p+1)(-100/(p^2)) i got q' = 2(100/(p+1))(-100(p+1)^-2 =-2000/(p+1)^3
1. 0 answers
2. asked by Evan
3. 473 views
Could someone please explain what biomass means? Does it just mean how much energy an organism has?http://en.wikipedia.org/wiki/
1. 0 answers
2. asked by brie
3. 468 views
Who informed American diplomats that the Louisianna Territory was for sale?Answer: Was it the French or Spain or was it someone
1. 0 answers
2. asked by Mack
3. 460 views
which bronsted lowry acid has the strongest conguate acid?acetate ion flouride ion cyanide ion nitrate ion not flouride that's
1. 0 answers
2. asked by jay
3. 449 views
why has most of the world impacted continuity change, economics, technology, social and political systems?I am not sure what you
1. 0 answers
2. asked by pamela
3. 446 views
I need to find dq2/dpb and dqb/dpaqa=2500+(600/pb+2)-40pa qb=3000-100pb+(400/pa+5) a and b are subscripts.
1. 0 answers
2. asked by Rob
3. 411 views
how do i work out2/5x-6=12 your post shows how important it is to use brackets to avoid ambiguity. do you mean (2/5)x-6=12 ? or
1. 0 answers
2. asked by Anonymous
3. 406 views

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