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Questions Asked on November 30, 2008

Before 1937, all naturally occurring elements had been discovered, but no one had found any trace of element 43. Chemists were
1. 3 answers
2. asked by Jameisha
3. 4,247 views
A voltaic cell at 25oC consists of Mn/Mn2+ and Cd/Cd2+ half-cells with the initial concentrations [Mn2+] = 0.100 M and [Cd2+] =
1. 1 answer
2. asked by nj
3. 3,802 views
Which ion in each of the following pairs would you expect to be more strongly hydrated?(a) Na+ or Mg2+ Why? thanks!!
1. 4 answers
2. asked by Dina
3. 3,408 views
Physical properties are those that you can detect with your senses: sight, hearing, touch, taste, smell. With just a glass of
1. 11 answers
2. asked by TOM
3. 2,992 views
I need to know how to set up this problem:A salesman drives from Ajax to Barrington, a distance of 120 miles, at a steady speed.
1. 2 answers
2. asked by Dani
3. 2,933 views
Describe why atoms of bromine, Br, are so reactive. To which family does bromine belong.
1. 1 answer
2. asked by Jameisha
3. 2,016 views
What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 20.0 L of water to produce an antifreeze solution
1. 1 answer
2. asked by Rita
3. 1,831 views
what are the magical figures placed in between layers of a mummys wrapping.
1. 4 answers
2. asked by Randi
3. 1,808 views
Predict which isotope of nitrogen is more commonly found, nitrogen-14 or nitrogen-15.(Hint: What is the average atomic mass
1. 1 answer
2. asked by Jameisha
3. 1,560 views
Oil is flowing with a speed of 1.24 m/s through a pipeline with a radius of 0.299 m. How many gallons of oil (1 gal = 3.79
1. 2 answers
2. asked by myra ko
3. 1,496 views
2. The time (in number of days) until maturity of a certain variety of hot pepper is normally distributed, with mean m and
1. 2 answers
2. asked by Latoya
3. 1,465 views
Need some help with two questions1. 6.5% of what number is 325? I got 325 ÷ 0.065 = 5000 Is that corrrect? The minimum daily
1. 2 answers
2. asked by Debbie
3. 1,454 views
bottle of wine contains 13.1% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of
1. 1 answer
2. asked by Lawrence
3. 1,420 views
Calculate the energy that must be removed to convert substance X from a gas at 116°C to a solid -44.6°C. Assume X has a molar
1. 1 answer
2. asked by Rachelle
3. 1,401 views
can someone check my answer to see if they correcChoose the antecedent of the pronoun that appears in boldface type in each
1. 2 answers
2. asked by Lasoyna
3. 1,386 views
hellppp please i have a test on this on mondayy im so screwedA solid mixture contains MgCl2 and NaCl. When 0.5000 g of this
1. 2 answers
2. asked by yvonne
3. 1,351 views
I need someone to please revise my college essay, I've had some teachers look over it and help me make it better. But well...
1. 5 answers
2. asked by Alex
3. 1,348 views
Q1. What will be formed when propanone reacted with sodium hydrogensulphite?There is white precipitate is the resulting solution
1. 3 answers
2. asked by david
3. 1,327 views
each statement is false. rewrite each one as a true statement,showing as much scientific understand as possible.1. light waves
1. 4 answers
2. asked by ruby127
3. 1,316 views
Biotechnology allows us to use living organisms or their processes for human needs or purposes. Currently, this topic includes
1. 2 answers
2. asked by Tammy
3. 1,188 views
A bottle of wine contains 13.1% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration
1. 3 answers
2. asked by Lawrence
3. 1,170 views
A bodybuilder is holding a 20-kg steel barbell above her head. How much force would she have to exert if the barbell were lifted
1. 1 answer
2. asked by myra ko
3. 1,122 views
ABCA1B1C1 is a prism which has regular triangles in the bases. The side of the prism has the length "a". The side AA1 makes
1. 0 answers
2. asked by Please help! I need this urgent, please.
3. 1,111 views
Yvonne. Did you type all of the question about osmosis? correctly? I have struggled with it and something about it doesn't seem
1. 0 answers
2. asked by DrBob222
3. 1,062 views
Given:H3PO4(aq) + 3 NaOH(aq) �¨ 3 H2O(l) + Na3PO4(aq) ƒ¢H = -166.5 kJ What is the value for q (heat) if 4.00 g of NaOH
1. 2 answers
2. asked by Jake
3. 1,047 views
Think carefully about the issue presented in the following excerpt and the assignment below.Independent people—those who rely
1. 4 answers
2. asked by Sahil
3. 1,042 views
Where are the opportunities for employment in this field? (location)I've searched,but can't seem to find anything. by the way,
1. 1 answer
2. asked by Larry
3. 1,038 views
What would a person consider two main functions of criminal law. How can you identify one justification and excuse defense?
1. 1 answer
2. asked by D
3. 1,004 views
how do you convert ounces to grams
1. 1 answer
2. asked by Jameisha
3. 961 views
how do i find the greatest monomial factor of 4x^2-17?p.s. the ^ means the the number following in superscript((which is a tiny
1. 1 answer
2. asked by court
3. 934 views
-sinx-cosx = 0x=? please and thank you! i'd appreciate it!
1. 1 answer
2. asked by trig
3. 925 views
Neutron stars consist only of neutrons and have unbelievably high densities. A typical mass and radius for a neutron star might
1. 1 answer
2. asked by cindy
3. 870 views
Describe why chemists might sometimes store reactive chemicals in argon, Ar: To which family does argon belong?
1. 1 answer
2. asked by Jameisha
3. 847 views
Some researchers believe that the dinosaur Barosaurus held its head erect on a long neck, much as a giraffe does. If so, fossil
1. 1 answer
2. asked by Emeline
3. 805 views
The following cell was observed to have an emf of 2.25 volts at 25.0oC :Zn(s) | Zn2+(aq, 0.143 M) || Cl2(g, 0.548 atm) | Cl-(aq,
1. 1 answer
2. asked by nj
3. 797 views
A 190 kg object and a 490 kg object are separated by 0.400 m. At what position (other than an infinitely remote one) can the
1. 2 answers
2. asked by tina
3. 788 views
Use the power-reducing formulas to rewrite the expression in terms of the first power of the cosine.[#1.] (sin^4x)(cos^4x) [#2.]
1. 1 answer
2. asked by Tom
3. 777 views
Supervisors are an essential component in improving the overall productivity and effectiveness of an organization—from
1. 4 answers
2. asked by troyer0269
3. 765 views
What is 4x+12=20
1. 2 answers
2. asked by Ash
3. 763 views
A solution of sodium chloride in water has a vapor pressure of 18.3 torr at 25°C. What is the mole fraction of NaCl in this
1. 1 answer
2. asked by Dina
3. 754 views
An element's symbol, # of protons, electrons, neutrons, atomic #, oxidation state, atomic mass, period #, and group #:Which are
1. 4 answers
2. asked by Anonymous
3. 738 views
What units in the metric system would you use to measure each of the followingquantities? (a) Distance from Los Angeles to New
1. 1 answer
2. asked by Debbie
3. 737 views
Physical properties are those that you can detect with your senses: sight, hearing, touch, taste, smell. With just a glass of
1. 1 answer
2. asked by Tom
3. 734 views
Do the altitudes of an isosceles triangle go to the midpoints of the opposite sides?My triangle ABC is isosceles with points A
1. 1 answer
2. asked by Amy
3. 725 views
What are all the ways humans use rivers? I am writing a report on the relationship between water and organisms and I am now
1. 3 answers
2. asked by Kathryn
3. 704 views
How do classroom management issues differ, depending on the subject matter? For instance, how can you manage an English lang.
1. 7 answers
2. asked by troyer0269
3. 702 views
how do I classify polygons ?
1. 1 answer
2. asked by imani
3. 699 views
3/8 over 3 = x over 5/12
1. 1 answer
2. asked by elizabeth
3. 694 views
Find the derivative of y=x^2 / e^2x using the Quotient Rule, and simplify.I really need help! please! :)
1. 2 answers
2. asked by Mel <3
3. 686 views
Q1. What will be formed when propanone reacted with sodium hydrogensulphite?There is white precipitate is the resulting solution
1. 1 answer
2. asked by david
3. 685 views
Materials-sandwich-sized plastic ziplock bag -graduated cylinder -paper cup -rubber band -measuring spoons -vinegar -baking soda
1. 4 answers
2. asked by TOM
3. 683 views
A brick weighs 15.0 N and is resting on the ground. Its dimensions are 0.203 m multiplied by 0.0890 m multiplied by 0.0570 m. A
1. 1 answer
2. asked by cindy
3. 682 views
Select a company you are familiar with.Explain each step of the accounting cycle. Describe at least one transaction that would
1. 1 answer
2. asked by Tammy
3. 680 views
question about the Indus Valley Civilization.Why did these ancient people choose to settle in this region? What benefits did it
1. 1 answer
2. asked by Brandon
3. 670 views
List the equipment and materials to be included in the science kit.o Explain what safety precautions are needed. Wear goggles,
1. 6 answers
2. asked by troyer0269
3. 667 views
A book called The Penguin Dictionary of Curious and Interesting Numbers by David Wells (1986) contains fascinating numbers and
1. 1 answer
2. asked by Kris
3. 652 views
The intensity of an earthquake wave is measured to be 6 x10 ^6 J ms at a distance of 50 km from its source. Calculate the
1. 1 answer
2. asked by Sandhya
3. 650 views
Could you please check these sentences and also let me know which one is correct for #21)Yesterday my father worked a lot. Hier,
1. 2 answers
2. asked by E.G.
3. 649 views
trigonometric functions/ radiansthe angle Ə is in the first quadrant, and cos Ə = 2/√5 a) draw a diagram to show the angle
1. 1 answer
2. asked by s
3. 635 views
With the distance: 0.610 m, nutrient solution (ρ = 1040 kg/m3) can just barely enter the blood in the vein. What is the gauge
1. 1 answer
2. asked by Gun-yuoung
3. 625 views
How do you convert pound to kilograms and how do you convert kilograms to pounds?
1. 1 answer
2. asked by Janisha
3. 621 views
ObservationsMass of Fe metal:100 MG Volume of water in Calorimeter: 100 ML Mass of water in Calorimeter (use 1g per ml): 100G
1. 0 answers
2. asked by JASON
3. 621 views
can someone explain the relationship between ocean circulation patterns during an el nino event and atmospheric circulation?
1. 1 answer
2. asked by rachel
3. 618 views
what is a danger of being field independent or field dependent and the reflection in classroom?positive and negative sides?thank
1. 2 answers
2. asked by jilly
3. 604 views
(I posted this yesterday, if it looks familar, but no one was on who could help me). I am supposed to graph y+3=-1/12(x-1)^2.
1. 2 answers
2. asked by Natalia
3. 600 views
how do you convert kilograms to pounds
1. 1 answer
2. asked by Jameisha
3. 592 views
1. If C = 1000 + 7/8[GDP-1000], I = 700 and G = 1000 and the economy is currently in equilibrium at 400 below full employment
1. 1 answer
2. asked by Marieanne
3. 583 views
Consider racial imbalances in education, the economy, family life, housing, criminal justice, health care, and politics. Of
1. 1 answer
2. asked by coreen
3. 583 views
Read through the 12 principals for Manging Change .Then select three principals you feel are most important to follow when
1. 1 answer
2. asked by anna
3. 580 views
My standard-form equation is (x+3)^2+(y+2)^2=4. Do I find the radius by doing the square root of four? I just wanted to check on
1. 1 answer
2. asked by Natalia
3. 577 views
Materials-sandwich-sized plastic ziplock bag -graduated cylinder -paper cup -rubber band -measuring spoons -vinegar -baking soda
1. 1 answer
2. asked by Tom
3. 574 views
If the MU per dollar spent on wings is greater than the MU per dollar spent on pizza, JP will spend that dollar on wings because
1. 2 answers
2. asked by Anonymous
3. 567 views
ABCA1B1C1 is a prism which has regular triangles in the bases. The side of the prism has the length "a". The side AA1 makes
1. 0 answers
2. asked by Frost Boost
3. 561 views
Why has the Commerce Clause (Article 1, section 8, Clause 3) been used to target agriculture, transportation, finance, labor
1. 1 answer
2. asked by kim
3. 560 views
Compose a 200 word responseEmployees from the billing department are not receving the accurate codes and information needed for
1. 0 answers
2. asked by Julissa
3. 558 views
Round to the nearest hundredthA) 72 in.= cm 2.54 X 72=182.88cm Correct? B) 7 L =_qt 1.06 X 7 =7.42 qt Correct? C) Samantha’s
1. 1 answer
2. asked by Debbie
3. 555 views
I need help understanding this question. It's for my project that I'm doing about careers.What are the employment possibilities
1. 1 answer
2. asked by Larry
3. 554 views
I'm describing the properties of a molecule, and I'm wondering if it's correct to say this -Physical properties: Fine, white,
1. 2 answers
2. asked by Lucy X
3. 551 views
The Battle of Trenton shows the Contintal troops demonstrating trustworthiness. what did the do?
1. 1 answer
2. asked by Matt
3. 550 views
I posted this question before and you told me to go to answers to look up the terms. I did what you said and had no luck.Blank
1. 3 answers
2. asked by Michele
3. 547 views
how do you add and subtract fractions with different denomonaters?
1. 3 answers
2. asked by kiley
3. 544 views
trait theory and learning theory- Write a 350 word response comparing and contrasting the theories you have chosen.
1. 1 answer
2. asked by CATHERINE MCDOUGALD
3. 543 views
Find the derivative of f(x) = x^2 ln (x^2) using the Product Rule, and simplify.
1. 3 answers
2. asked by Mel <3
3. 523 views
how do you find the percent error betwwen an experimental value and the accepted value? (of density) thanks
1. 1 answer
2. asked by arya
3. 522 views
What are the structures of the products of a complete acid hydrolysis of glycerophospholipid where the alcohol is ethanolamine,
1. 0 answers
2. asked by Scott
3. 521 views
What training is required fo this career and where can the training be taken? How much does it cost.I understand the question,
1. 1 answer
2. asked by Larry
3. 511 views
I am a prime number between 40 and 50. If you add one to me, the sum of the prime factors of that composite number is 11. What
1. 3 answers
2. asked by Kris
3. 509 views
Is all graphic design meant to inspire consumers to buy a product or service?
1. 1 answer
2. asked by sue
3. 500 views
How do you convert grams to ounces and how do you convert ounces to grams?
1. 1 answer
2. asked by Janisha
3. 489 views
Thanks to those who helped with my question: y+3=-1/12(x-1)^2. The only thing I am still unsure of is how to write the equation
1. 3 answers
2. asked by Natalia
3. 487 views
Hey guys!I'm thinking that B is the correct answer, but doesn't the DNA that is going to be inserted into the vector
1. 0 answers
2. asked by Angela
3. 483 views
The hearing-impaired child needs special accommodations for the field trip. ORThe child needs special accomodations for the
1. 1 answer
2. asked by Dorothy
3. 482 views
Okay...so its about glycolysis in ANaerobic respirationQUESTIONS 1* fructose 1 6 biphoshate or diphoshate (which one is it
1. 0 answers
2. asked by Kimora
3. 477 views
The United States emitted 19.5 million t of nitrogen oxides (NO) into the atmosphere in 1987. One metric ton (1 t) equals 1,000
1. 1 answer
2. asked by Debbie
3. 466 views
Find the minimum cost of producing a can that contains 1000mm^3 if the cost of the metals is 2 cents per mm^2 and the cost to
1. 1 answer
2. asked by Mary
3. 458 views
The pursuit of self interst:a) is highly detrimental to the market system b) means the same as "selfishness" c) is reflected in
1. 0 answers
2. asked by Anonymous
3. 457 views
1* fructose 1 6 biphoshate or diphoshate (which one is it exactly?)2* what is the molecular formula for fructose 1 6
1. 3 answers
2. asked by Kimora
3. 455 views
Mark uses 1 pt 9 fl oz and then 2 pt 10 fl oz from a container of filmdeveloper that holds 3 qt. How much of the developer
1. 3 answers
2. asked by Debbie
3. 450 views
Find (fog)(x)and (gof)(x)if f(x)=x-x^2 and g(x)= 2x+3.Okay so I did the following: For f(of)g(x), take (2x+3) - (2x+3)^2 (insert
1. 2 answers
2. asked by Shawn
3. 441 views
What is a definition for i) radial wavefunction ii) angular wavefunctionWhat is the physical meaning of each?
1. 1 answer
2. asked by Alice
3. 430 views

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