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2008
February

Questions Asked on February 5, 2008

what is the final temperature when a 3.0 kg gold bar at 99 degrees is dropped into a .22 kg of water at 25 degrees
1. 3 answers
2. asked by kelly
3. 6,174 views
Buffer question:If I add 3 mL of 1 M NaOH to a buffered solution, will I still have a valid buffer?
1. 4 answers
2. asked by student
3. 4,527 views
A score that is 10 points below the mean corresponds to a z-score of z=-2.00. What is the population standard deviation?
1. 1 answer
2. asked by Joan
3. 4,511 views
An enzyme-catalyzed reaction is carried out in a 50-mL solution containing 0.1 M TRIS buffer. The pH of the reaction mixture at
1. 12 answers
2. asked by alan
3. 3,656 views
discuss specific problems or injustices that were present in american life during the late 1800s and early 1900s?Explain how
1. 5 answers
2. asked by mm
3. 3,031 views
Write 0.125 as a fraction in simplest form
1. 1 answer
2. asked by Dominique
3. 2,369 views
Given this equation:2P2O5 + 6H2O ---> 4H3PO4. If you begin with 4.8 grams of p2o5 and 15.2 grams h20, what will be your limiting
1. 5 answers
2. asked by Franki
3. 2,148 views
What is the resultant of two displacement vectors having the same direction?a. The resultant is the sum of the two displacements
1. 3 answers
2. asked by Shenay
3. 2,088 views
Consider the differential equation:(du/dt)=-u^2(t^3-t) a) Find the general solution to the above differential equation. (Write
1. 5 answers
2. asked by Jeff
3. 2,027 views
A certain resistor has a resistance of 1.484 omega at 20 degrees celsius and a resistance of 1.512 omega at 34.0 degrees
1. 5 answers
2. asked by J
3. 1,772 views
express the area of each triangle as a monomial.10. height-2n^2 base- 5n^3 11. height- 4ab^5 base- 3a^4b
1. 4 answers
2. asked by Caroline
3. 1,696 views
An airplane must achieve a velocity of 71 m/s to takeoff. If the runway is 1000 m long, at what speed must the plane constantly
1. 3 answers
2. asked by Gabby
3. 1,540 views
If a class of 30 chemistry students have 17 of the students who are female. What percentage of students is female?
1. 2 answers
2. asked by Lisa
3. 1,460 views
In a population of exam scores, a score of x=88 corresponds to z=+2.00 and a score of x=79 corresponds to z=-1.00. Find the mean
1. 1 answer
2. asked by Tegan
3. 1,410 views
(1)Mendel crossed pure-breeding pea plants grown from round seeds with purple flowers with pure-breeding plants grown from
1. 0 answers
2. asked by Anonymous
3. 1,369 views
Instructions for this essay assignment (relection paper). For this paper, you should think about what you want to get out of
1. 12 answers
2. asked by Bizzy
3. 1,319 views
Help! I don't get this.solve each inequality. Graph the solution set, if there is one. 1. n-4>11 2. 4q<12 3. 2v+1>7 4. a+3<11 5.
1. 2 answers
2. asked by Jared
3. 1,318 views
How would you prepare 455 g of aqueous solution that is 6.50% sodium sulfate Na2SO4 by mass?
1. 2 answers
2. asked by Lauren
3. 1,306 views
thanks Mrs Sue but i already looked at the dictionary and got all the definitions i had 20 words to do for my homework i have to
1. 2 answers
2. asked by JESSICA*********HELLLPPP!!!
3. 1,279 views
a.What electric potential difference exists across a 5.2 µF capacitor that has a charge of 2.1 10-3 C?how do i use uF and C
1. 3 answers
2. asked by kailey
3. 1,241 views
Candles are made from paraffin.Where does paraffin come from? What products are created from burning paraffin candles? How does
1. 3 answers
2. asked by Bob
3. 1,234 views
how do you find sin theta and cosine theta of angles?ex. Find the sine theta and cosine theta of 150 degrees as well as the
1. 2 answers
2. asked by mariya
3. 1,230 views
I am not sure how to label each of the following plants,animals and insects with one of these names: producer, herbivore,
1. 1 answer
2. asked by Faye
3. 1,205 views
A manufacturing Company produces 2 products – A and B.The following information is presented for both products: A B Selling
1. 0 answers
2. asked by Amy
3. 1,195 views
A car with a mass of 1,200 kilograms is moving around a circular curve at a uniform velocity of 20 meters per second. The
1. 2 answers
2. asked by Anonymous
3. 1,146 views
The electric field intensity between two charged plates is 1.1*10^3 N/C. The plates are 0.070 m apart. What is the electric
1. 1 answer
2. asked by kailey
3. 1,140 views
A dip needle is a small magnet mounted on ahorizontal axis so that it can swivel up or down like a compass turned on it's side)
1. 1 answer
2. asked by tina
3. 1,131 views
I need help on writing an dbq for us history
1. 1 answer
2. asked by mm
3. 1,096 views
Electrons are accelerated in the picture tube through a potential difference of 8000 V. What is the change in the potential
1. 1 answer
2. asked by Mike
3. 1,074 views
In lightning storms, the potential difference between the earth and the bottom of the thunderclouds can be as high as 35000000
1. 1 answer
2. asked by jenish
3. 1,067 views
In a car gas tank, 46.0 g of gasoline burns consuming 173 g of oxygen. The resultant products are carbon dioxide are carbon
1. 2 answers
2. asked by AJ
3. 1,052 views
compare the slopes and tell whether the lines are parallel.y = x + 2 and y = -x -3 can you tell me how to set up the problem so
1. 1 answer
2. asked by Seth
3. 1,013 views
I NEED TO MAKE SENTENCES FOR THESE WORDSRUMINATION PRECONCEPTION IMPERTINENT APTLY !!!
1. 1 answer
2. asked by JESSICA*********HELLLPPP!!!
3. 1,008 views
The fractions (2/3), (4/6), (6/9), ... are all equivalent to the fraction (2/3). Explain how the concept of equivalent fractions
1. 1 answer
2. asked by Anonymous
3. 1,001 views
My question pertains to what happens to red blood cells in various solutions and why. I have found everything except what
1. 1 answer
2. asked by Susan
3. 995 views
I really need help with this question?You have a 12.01 g sample of carbon. The average mass of a carbon atoms is 1.994 x 1023 g.
1. 1 answer
2. asked by Lisa
3. 953 views
i have a bunch of history questions that i cant get. did Sir Walter Raleigh found Virginia? and were books the only publications
1. 3 answers
2. asked by christina
3. 937 views
What mass of solution containing 6.50% sodium sulfate N2SO4 by mass contains 1.50g Na2SO4
1. 2 answers
2. asked by Lauren
3. 918 views
To what extent might the mid-19th century belief in Manifest Destiny set the stage for the New American Imperialism at the end
1. 1 answer
2. asked by Tracy
3. 912 views
determine which two represent perpendicular lines; y=6x-3,y=1/6x+3, y=-1/6+3, or y=1/6x-3.
1. 1 answer
2. asked by dennis
3. 904 views
Why is symmetry associated with passive design? Why is asymmetry associated with active design?
1. 2 answers
2. asked by Peter
3. 896 views
the north pole of a compass is attracted to the north magnetic pole of the earth, yet like poles reple. can you resolve this
1. 2 answers
2. asked by tina
3. 887 views
How can I write a A Book Report? I need help
1. 1 answer
2. asked by Jamie
3. 886 views
Is there a mathematical formula to calculate this easily?1 x 2 x 3 x 4 x 5...50 I know it's not an arithmetic/geometric series
1. 2 answers
2. asked by Anonymous
3. 882 views
The element Sc has hcp packing with a hexagonal unit cell. The density of scandium is 3.00E3 kg/m3 and the cell volume is
1. 3 answers
2. asked by roxanne
3. 873 views
What are some things children must learn but animals don't need to know?
1. 1 answer
2. asked by Rebekah
3. 864 views
What does a constant debt-equity ratio mean?
1. 0 answers
2. asked by confused
3. 826 views
The peak of the business cycle occurs when?
1. 2 answers
2. asked by Yong
3. 814 views
I am trying to define the different appraoches to solving quadratic equations. My book says using quadratic formula, completing
1. 1 answer
2. asked by Marysvoice
3. 813 views
Can anyone tell me how i can get a Free GED?
1. 2 answers
2. asked by patricia
3. 806 views
what should be the dimensions of the cylinder if you wanted it to have the least amout of surface area as possible?the cylinders
1. 9 answers
2. asked by Mackenzie
3. 793 views
An element has hcp packing with a hexagonal unit cell. the volume of the unit cell is 5.71E-26 L. Calculate the density (kg/m3)
1. 1 answer
2. asked by roxanne
3. 786 views
manet A has twice the magnetic field strength of magnet B (at equal distance ) and , at a certain distance,it pulls on magnet B
1. 2 answers
2. asked by tina
3. 786 views
When you boil an egg, the egg "white" changes from clear to white. The egg also becomes "hard boiled." What type of changes are
1. 2 answers
2. asked by jika
3. 786 views
A 2600-pF air gap capacitor is connected to a 9.0 V battery.If a piece of pyrex glass is placed between the plates,how much
1. 2 answers
2. asked by jenish
3. 778 views
Indicate which is more soluble in ethanol? C2H5OH, acetic acid, CH3COOH, or stearic acid C17H35COOH.
1. 1 answer
2. asked by Lauren
3. 775 views
One-fifth of a flank is sawn off and three-eights of remaining piece is then thrown away.What fraction of original remains?
1. 1 answer
2. asked by sally
3. 759 views
(1)Mendel crossed pure-breeding pea plants grown from round seeds with purple flowers with pure-breeding plants grown from
1. 0 answers
2. asked by Anonymous
3. 758 views
do the following with correct forms of ser or estarManuel Roberto! No ____1__ listo? Debemos __2____ en la fiests a las ocho.
1. 2 answers
2. asked by sam
3. 746 views
Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol,a density of
1. 1 answer
2. asked by marc
3. 706 views
simple form3 ¾ / 60,000= 41 ½ / 3 ¾ A computer can excute 36 instructions per microscecond. How many instructions can it
1. 2 answers
2. asked by Sonya
3. 706 views
Can someone tell me if I have this correct, I am leaving something out, or if I need to start over. I am alittle confused about
1. 1 answer
2. asked by Tim
3. 686 views
1. logx+log(x+48)=214.log50+log(x/2)=2 23.log72-log(2x/3)=0 Could someone please explain to me how to solve these?
1. 4 answers
2. asked by chelsea
3. 678 views
The density of gold is 1.93E4 kg/m3 and the cell volume is 6.78E-26 L. Determine the number of atoms in the unit cell. Note: the
1. 1 answer
2. asked by Thy
3. 675 views
People have proposed towing icebergs to arid parts of the earth as a way to deliver freshwater. Explain why icebergs do not
1. 1 answer
2. asked by Lauren
3. 660 views
Compare and contrast the processes of photosynthesis; aerobic respiration; and the two types of fermentation. Give examples of
1. 1 answer
2. asked by Jenn
3. 655 views
Find the exact length of the curve analytically by antidifferentiation. You will need to simplify the integrand algebraically
1. 1 answer
2. asked by todi
3. 640 views
Leibniz presents monads as simple substances. Monads are infinite in number, unextended, and windowless, and each mirrors the
1. 1 answer
2. asked by Joe
3. 631 views
Bizzy, I have taken this paragraph and rewritten it to let you see what I meant by being less wordy and better organized.My
1. 0 answers
2. asked by GuruBlue
3. 629 views
Can you check my essay and correct it please ? this is my first essay ever in spanish, my classmates has done it for 2 years but
1. 2 answers
2. asked by Mads. First spanish essay ever, please help me
3. 629 views
The molecular structure around the oxygen in water is ?The molecular structure around all the carbons in ethanol is ?
1. 3 answers
2. asked by lucas
3. 624 views
Which of the following statements is NOT true in regards to water, ethanol, and isopropanol?A. Water has the highest boiling
1. 2 answers
2. asked by jose
3. 624 views
An element has ccp packing with a face-centered cubic unit cell. Its densiry is 2.70E3 kg/m3 and the unit cell volume is
1. 2 answers
2. asked by roxanne
3. 617 views
I need help writing a DBQ
1. 2 answers
2. asked by mm
3. 614 views
Find the a) % solution, b) molality and c) mole fraction of the acid 16.0 M H2SO4 d = 1.634 g/ml for the solution
1. 1 answer
2. asked by Ken
3. 610 views
Hexane is a hydrocarbon (a molecule containing only carbon and hydrogen) with a molecular weight of 86.18 g/mol,a density of
1. 1 answer
2. asked by marc
3. 608 views
what is The trans-Atlantic slave trade and its most lasting consequence.
1. 1 answer
2. asked by robert
3. 604 views
I need some sites to help me understand the differences between private and social medicine. I am writing a six page paper on
1. 1 answer
2. asked by Niles
3. 603 views
How is Carbon dioxide added to the water?
1. 0 answers
2. asked by Jamie
3. 602 views
1) How many SD's?a) 5.7 = 2 SD b) 235.12 = 5 SD c) 8.07 = 3 SD d) 0.0032 = 2 SD e) 0.0150 = 3 SD f) 1.39x10^5 = 3 SD g) 15.200 =
1. 3 answers
2. asked by Anonymous
3. 595 views
The distance between these structures shorten during a muscle contraction.Is the answer thick filaments(myosin) and thin
1. 0 answers
2. asked by Danielle
3. 588 views
Benedict Spinoza argues that substance is infinite and that God or Nature is the one substance. As a monist, Spinoza rejects
1. 0 answers
2. asked by Joe
3. 582 views
Can someone please check this for me?How long has it been since the following people have done the following things? Write the
1. 1 answer
2. asked by Steven
3. 579 views
Ccalculate the molarity of the resulting solution when 125.0 ml of water is added to 350.0 ml of a 3.75 M solution of HCl
1. 1 answer
2. asked by Ken
3. 574 views
An element has ccp packing with a face-centered cubic unit cell. Its densiry is 2.70E3 kg/m3 and the unit cell volume is
1. 1 answer
2. asked by roxanne
3. 565 views
Hello,I wanted toknow if I came to the correct solution for this problem. Thank You, 20 Cubic inches of a gas with an absolute
1. 1 answer
2. asked by Mandi
3. 564 views
What are 3 types of chemical reactions
1. 2 answers
2. asked by Heather
3. 564 views
i don't get what the task means when it says discuss problems or injustices that were present in american life...what does
1. 1 answer
2. asked by mm
3. 561 views
The garden where Marvell scorned love’s solicitude –that dream – and played instead an arcane solitaire, shuffling his
1. 1 answer
2. asked by *
3. 560 views
a bacterium ia able to survive boiling, frezing, and extremely dry environments byA. undergoing binary fission B. attaching
1. 1 answer
2. asked by Bay
3. 555 views
If there is a cylinder that has a volume of 100 ft, what would be the DIMENSIONS of the cylinder to have to LEAST surface area?
1. 4 answers
2. asked by Mackenzie
3. 552 views
Among water, ethanol and isopropanol,which has the largest molar mass.
1. 2 answers
2. asked by tristan
3. 551 views
we..propose.."effective legislation to prevent industrail accidents ,occupational diseases,overwork,and unemployment...to fix
1. 1 answer
2. asked by mm
3. 551 views
who said "we must all hang together, or we shall all hang separtely"?Thank u!
1. 2 answers
2. asked by roy
3. 535 views
In a mixture of ethanol and water, the strongest intermolecular force present between the two chemicals is
1. 1 answer
2. asked by alex
3. 535 views
what should be the dimensions of the cylinder if you wanted it to have the least amout of surface area as possible?the cylinders
1. 0 answers
2. asked by Mackenzie
3. 529 views
I need help writing an essay it is about It's better to think vertical then horizontal.....OR it is It's better to think
1. 8 answers
2. asked by Brittany
3. 524 views
Did Bismarck form any tax LAWS that were not approved by the Reichstag?
1. 1 answer
2. asked by Alice
3. 524 views
how do we normally make the plural form of a singular nounthat endi in f or fe~?
1. 2 answers
2. asked by aminah
3. 524 views
What would be an example of scientific management today?
1. 1 answer
2. asked by X
3. 516 views

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