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2010
April

Questions Asked on April 3, 2010

How many CO2 molecules would be formed from the reaction mixture that produces the greatest amount of products?2CH3OH(g)+3O2(g)-
1. 1 answer
2. asked by Jazmin
3. 13,668 views
You have solutions of 0.200 M HNO2 and 0.200 M KNO2 (Ka for HNO2 = 4.00  10-4). A buffer of pH 3.000 is needed. What volumes
1. 4 answers
2. asked by Oli
3. 5,240 views
How do I find the midpoint of the line segment having the given endpoints. (8, 1) and (2, 9)Thank you.
1. 2 answers
2. asked by Anonymous
3. 4,293 views
How much energy is evolved when 2.65 mg of Cl(g) atoms adds electrons to give Cl1-(g) ions.No clue how to go about solving this
1. 3 answers
2. asked by Spider
3. 3,499 views
Barium sulfate, BaSO4 is made by the following reaction.Ba(NO3)2(aq) + Na2SO4(aq)----> BaSO4(s) + 2NaNO3(aq) An experiment was
1. 4 answers
2. asked by David
3. 2,934 views
Zinc metal reacts with hydrochloric acid according to the following balanced equation.Zn(s) + 2HCl(aq) --> ZnCl2(aq) + H2(g)
1. 2 answers
2. asked by dina
3. 2,609 views
A 60.0 kg person bends his knees and then jumps straight up. After his feet leave the floor, his motion is unaffected by air
1. 1 answer
2. asked by phys
3. 1,842 views
Assume the body temperatures of healthy adults are normally distributed with a mean of 98.20 °F and a standard deviation of
1. 2 answers
2. asked by anonymous
3. 1,622 views
If a is an angle in standard position and its terminal side passes through the point (-3,2), find the exact value of csc a.Answe
1. 2 answers
2. asked by Rony
3. 1,582 views
You have solutions of 0.200 M HNO2 and 0.200 M KNO2 (Ka for HNO2 = 4.00  10-4). A buffer of pH 3.000 is needed. What volumes
1. 2 answers
2. asked by Oli
3. 1,564 views
Chose the correct answer and explain why:Malthus and Ricardo would both agree that a. One solution to poverty was to pay higher
1. 5 answers
2. asked by Kathleen
3. 1,524 views
I don't get it, so the four influences that Greece had on Roman culture are art, religion, mythology, and the Latin alphabet?
1. 4 answers
2. asked by Zach
3. 1,329 views
In mitosis, what is the size of a daughter cell relative to the size of the parent cell?If an onion cell has 10 chromosomes, how
1. 1 answer
2. asked by Lily
3. 1,282 views
Combustion analysis of 0.213 g of a compound containing C, H, and O produces 0.468 g of CO2 and 0.255 g of H2O. Mass spectral
1. 1 answer
2. asked by sam
3. 1,179 views
dr. j wants to buy a dell computer which will cost 2788 four years from today . he would like to set aside an equal amount at
1. 2 answers
2. asked by kelley
3. 1,151 views
The gases in a mixture have the following partial pressures at the same volume and temperature: 1,013,000 Pa nitrogen, 700. mmHg
1. 1 answer
2. asked by fabiola
3. 1,089 views
When a reaction mixture with a total volume of 1750 mL that is 0.0263 M aqueous K+ was stoichiometrically produced as per the
1. 1 answer
2. asked by eng
3. 1,061 views
How do you say...1. We brushed our teeth and ate breakfast. 2. We took the bus to the zoo.
1. 1 answer
2. asked by .
3. 1,032 views
Anyone know how to get me started?Calculate b0 and b1 and make an equation of regression line for the set of data given in Table
1. 2 answers
2. asked by Statistics DUMB
3. 1,011 views
what happens when a seed crystal is placed into a saturated solution?
1. 1 answer
2. asked by jill
3. 934 views
Determine the of a solution that is 1.75% by mass. Assume that the solution has density of 1.01
1. 2 answers
2. asked by Anonymous
3. 934 views
A) How do you prove that if 0(<or=)x(<or=)10, then 0(<or=)sqrt(x+1)(<or=)10?B) So once that is found, then how can you prove
1. 2 answers
2. asked by Sarita
3. 915 views
The Solvay process for the manufacture of sodium carbonate begins by passing ammonia and carbon dioxide through a solution of
1. 1 answer
2. asked by David
3. 895 views
The Solvay process for the manufacture of sodium carbonate begins by passing ammonia and carbon dioxide through a solution of
1. 2 answers
2. asked by David
3. 869 views
if someone could please help that would be muchly appreciated.A group of mountain climbers are using trigonometry to find the
1. 3 answers
2. asked by deborah
3. 856 views
When a reaction mixture with a total volume of 1720 mL that contains 0.605 L of gaseous CO2 measured at STP dissolved in 940 mL
1. 3 answers
2. asked by eng
3. 852 views
How many grams of ice at -14.0 degree Centigrade can be completely converted to liquid at 13.7 degree Centigrade if the
1. 1 answer
2. asked by dina
3. 840 views
The two most common forms of elemental carbon are graphite and
1. 2 answers
2. asked by Susan
3. 836 views
Did Rome start as a city on the Italian Peninsula?
1. 2 answers
2. asked by Blair
3. 815 views
1)How many mL of H2O2 are in 969 mL in solution ? * Given: 5.0% of H2O2 by volume.2)What is the mole fraction of the solute in a
1. 1 answer
2. asked by Jay
3. 812 views
If 6.01 g of K2SO3 dissolved in 930 mL of water reacts stoichiometrically according to the balanced equation in a reaction
1. 1 answer
2. asked by eng
3. 809 views
the trapezoid has equal nonparallel sides the upper base is 6. the lower base is 16. and the diagonal is 12. what is the
1. 1 answer
2. asked by Anonymous
3. 795 views
why is sodium thiosulfate readily soluble in water? how can a large amount of it be dissolved into only 3 ml of water?
1. 2 answers
2. asked by alex
3. 783 views
If 0.836 g of solid Al reacts stoichiometrically according to the balanced equation in a reaction solution with a total volume
1. 1 answer
2. asked by eng
3. 776 views
If 0.0490 mol of solid Al reacts stoichiometrically according to the balanced equation with 990 mL of aqueous Cl-, what molarity
1. 4 answers
2. asked by eng
3. 765 views
At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 19 knots and ship B is sailing north at 15
1. 3 answers
2. asked by Anonymous
3. 742 views
A family invested $4,000 and paying 6% compounded monthly, how much is in the account after 5 months.
1. 1 answer
2. asked by Rhonda
3. 741 views
If 0.755 g of Al3+ dissolved in 960 mL of water reacts stoichiometrically according to the balanced equation, what volume (mL)
1. 1 answer
2. asked by eng
3. 735 views
When a reaction mixture with a total volume of 1390 mL that is 0.00791 M aqueous Ba2+ was stoichiometrically produced as per the
1. 0 answers
2. asked by eng
3. 734 views
How many atoms of hydrogen are found in 2.48 mol of propane, C3H8?Someone can explain to me. Thanks
1. 1 answer
2. asked by sam
3. 729 views
could someone help me please.State the amplitude and the range of the graph of y= -0.8sinx. Describe the transformations that
1. 1 answer
2. asked by deborah
3. 724 views
A) How do you prove that if 0(<or=)x(<or=)10, then 0(<or=)sqrt(x+1)(<or=)10?B) So once that is found, then how can you prove
1. 8 answers
2. asked by Sarita
3. 718 views
The manufacturer of the X-15 steel-belted radial truch tire claims that the mean mileage the tire can be driven before the tread
1. 1 answer
2. asked by Samir
3. 714 views
Bellevue Hospital in New York City uses 100.6 °F as the lowest temperature considered to indicate a fever.What percentage of
1. 3 answers
2. asked by anonymous
3. 708 views
One canned juice drink is 25 percent orange juice; another is 10 percent orange juice How many liters of each should be mixed
1. 1 answer
2. asked by Michael
3. 705 views
Mass-spectrometer (device that selects atomic particles of different masses and charges) consists of cylindrical capacitor with
1. 1 answer
2. asked by Aya
3. 699 views
If the concentration of glucose in the blood flowing through thekidneys is within the normal range, then which of the following
1. 0 answers
2. asked by ciara
3. 677 views
I have this question and I don't understand what it's asking for. It says evaluate, is it asking for the missing term or what?Th
1. 2 answers
2. asked by Skye
3. 670 views
In a titration of 50 mL 1 Molar HC2H3O2 with 1 Molar NaOH, a student used bromcresol green as an indicator (Ka = 1 X 10^-5).
1. 1 answer
2. asked by Jessica
3. 658 views
Balance equation for reaction occuring in basic solution.CrO4{2-}+S{2-}gives S+CrO{-} i don't know how to balance the charges in
1. 1 answer
2. asked by mohd
3. 651 views
How can I write a 8-12 paragraph essay describing the duties of a woman assisting her boss in a company doing everyday
1. 2 answers
2. asked by debbie
3. 649 views
can anyone help me ? history is my worst class and we have 2 weeks left and im failing if i don't pass then i wont graduate can
1. 7 answers
2. asked by erika HELP PLEASE???
3. 647 views
How does air resistance alter the way we perceive falling objects?
1. 2 answers
2. asked by Melchor
3. 635 views
A 1.362 g sample of an iron ore that contained Fe_3O_4 was dissolved in acid and all the iron was reduced to Fe^2+. the solution
1. 1 answer
2. asked by mohd
3. 635 views
Which word is a synonym of the word evolve?a.recession b.decline c.progress d.retrogression I choose d.. what do u think?
1. 3 answers
2. asked by catherine
3. 611 views
• Compare and contrast LANs, WANs, CANs, MANs, and HANs in 200 to 350 words.
1. 1 answer
2. asked by Pam
3. 611 views
a man is trapped in a room with two doors in one door their is a fire dragon and in the other door thier is the hot sun which
1. 1 answer
2. asked by paris
3. 609 views
Calculate the value of the equilibrium constant (Kp) for the reaction displayed if the following equilibrium pressure data were
1. 1 answer
2. asked by bme1
3. 609 views
a 2.5kg poodle slides across a frozen lake at a speed of 6.3m/s. the coefficient of kinetic friction between poodle and ice is
1. 1 answer
2. asked by sherri
3. 607 views
Can you explain what exactly is financial gain? I am doing a research paper and it must include this?
1. 5 answers
2. asked by Lauri
3. 596 views
When you put the key in the ignition in your car and turn it, the car starts. Use your imagination in outlining the
1. 1 answer
2. asked by Lazy Guy
3. 593 views
A) How do you prove that if 0(<or=)x(<or=)10, then 0(<or=)sqrt(x+1)(<or=)10?B) So once that is found, then how can you prove
1. 1 answer
2. asked by Sarita
3. 593 views
Which of the following is NOT true of colligative properties? Colligative properties are...A. dependent on the mass of solute
1. 3 answers
2. asked by UCI studebt
3. 592 views
devise memory aids for any five terms relating to the musculoskeletal system
1. 6 answers
2. asked by ella
3. 578 views
o What are some current nutritional issues, such as obesity or malnutrition for infants
1. 0 answers
2. asked by leon
3. 562 views
how much current flows through a circuit if the resistence is 4 ohms and there is a 12 volt battery?
1. 1 answer
2. asked by curt
3. 559 views
If 1 gallon (gal) of water weighs 8.34 pounds (lb), how much does 3.75 gal weigh?
1. 3 answers
2. asked by shunta
3. 546 views
0.500 mol of Ca(IO3)2 contains(--------) mol of iodine, I; to supply this much iodine, 194.94 g of calcium iodate are needed.
1. 1 answer
2. asked by Zaky
3. 529 views
Can you check these sentences and tell me if they are possible? Thank you very much in advance.1) The author employed first-or
1. 2 answers
2. asked by Franco
3. 521 views
how do you know if it's second or third person?Why do you think magic is important in folktales? Do you think people in real
1. 1 answer
2. asked by Ida
3. 515 views
What four influences did Greece had on Roman culture?
1. 1 answer
2. asked by Zach
3. 511 views
A reservation clerk worked 15.3 hours one day. She spent twice as much time entering new reservations as she did verifying old
1. 1 answer
2. asked by Lyndse
3. 509 views
8 / (4 / (-28)) = -56I don't understand why? what are the steps to solving this problem?
1. 3 answers
2. asked by stacey
3. 508 views
• Include the following sections for this portfolio component:o o Organizing Procedures and Resources o Arranging the
1. 1 answer
2. asked by scooby
3. 493 views
A cellular offers a contract for which the cost C, in dollars, of t minutes of telephoning is given by C=0.25 (t-600) + 41.95,
1. 1 answer
2. asked by Michael
3. 483 views
Determine the of a solution that is 1.75% by mass. Assume that the solution has density of 1.01
1. 1 answer
2. asked by Anonymous
3. 476 views
what is a word that is spelled the same backward and forward like this word:racecar
1. 1 answer
2. asked by elvira
3. 468 views
In the Michaelis-Menten equation, KM = Ks only when the equilibrium assumption is valid. Which of the following conditions would
1. 0 answers
2. asked by Jerry
3. 462 views
Explain the interference due to thin flims and ahows that the reflected and transmitted systems are complementary to each other.
1. 0 answers
2. asked by sumit
3. 451 views
Where Could I Find Facts About Ancient Greece Philosophy???
1. 1 answer
2. asked by Alisha
3. 447 views
Provide an example of at least five ordered pairs that do not model a function
1. 0 answers
2. asked by Deb
3. 444 views
some1 help wit my current post plz;)
1. 1 answer
2. asked by catherine
3. 441 views
Determine whether the ordered pair is a soultion of the inequality.(8,18);7y-8x>3 I would have to say no? Thank you
1. 1 answer
2. asked by jess
3. 435 views
effect of subsidy on demand and supply crves
1. 0 answers
2. asked by Anonymous
3. 428 views
determine the difference between wiki, blog and website
1. 1 answer
2. asked by Anonymous
3. 427 views
Does Japan has foreingn aide?
1. 2 answers
2. asked by marie
3. 403 views
In s semicircle the value os z can be found using the equation x/y = z/y, if the diameter of the circle is 20 inches and x = 18
1. 1 answer
2. asked by cindy
3. 401 views
how do you solve by substitution method: 2x+2y+2=-18+6y-8?
1. 1 answer
2. asked by Carolyn
3. 384 views
Show that the amplitude of the first reflected ray is equal to the sum of amplitude of all other reflected rays.
1. 1 answer
2. asked by sumit
3. 380 views
solve2y-2<6y-3 Thank you
1. 3 answers
2. asked by jess
3. 376 views
Give the equation of a line that is perpendicular to the graph of y = 3x + 8
1. 1 answer
2. asked by Anonymous
3. 365 views
write a program that will show the relationship between volume and temperaturep+(an^2/v^2)(v-bn)=nRT
1. 1 answer
2. asked by zulkifli
3. 346 views
What are consuls?
1. 1 answer
2. asked by Ave
3. 340 views
Why do atoms display spectra?
1. 1 answer
2. asked by Jeff
3. 337 views
what is an antecedent
1. 0 answers
2. asked by christopher
3. 325 views
How do I do 5 1/3 * 3/8
1. 2 answers
2. asked by Caitlin
3. 313 views
This 3-D figure has exactly 6 edges, vertices, and 4 faces. What is it?Please Help!
1. 2 answers
2. asked by Melea
3. 253 views

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