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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. 5,404 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. 4,175 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. 2,458 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. 2,382 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. 1,793 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. 1,738 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. 1,639 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. 1,555 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. 1,339 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. 1,338 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. 1,305 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. 1,295 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. 1,155 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. 1,109 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. 1,085 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. 1,056 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. 1,048 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. 1,032 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. 1,031 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. 1,001 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. 999 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. 971 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. 956 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. 949 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. 819 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. 817 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. 794 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. 773 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. 733 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. 717 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. 710 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. 709 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. 707 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. 704 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. 695 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. 675 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. 661 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. 652 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. 652 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. 641 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. 634 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. 618 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. 616 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. 613 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. 612 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. 609 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. 576 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. 567 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. 563 views
what has an sp2 hybridized carbon?Amine Alcohol Keytone Ethers Aldehyde
1. 0 answers
2. asked by markr
3. 559 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. 551 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. 539 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. 539 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. 534 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. 532 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. 520 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. 512 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. 500 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. 496 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. 479 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. 474 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. 462 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. 457 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. 450 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. 415 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. 413 views

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