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Questions Asked on May 11, 2010

Calculate E, E^o and (delta)G^o for the following cell reaction:Mg(s) + Sn2+(aq) (yields) Mg2+(aq) + Sn(s) [Mg2+] = 0.045 M,
1. 2 answers
2. asked by Julie
3. 6,270 views
Given that E^o = 0.52 V for the reduction of Cu+(aq) + e - (yields) Cu(s)Calculate E^o, (delta)G^o and K for the following
1. 2 answers
2. asked by Julie
3. 4,519 views
A mixture contains 5.00 g each of O2, N2, CO2, and Ne gas. Calculate the volume of this mixture at STP. Calculate the partial
1. 3 answers
2. asked by ~anonymous
3. 4,408 views
calculate the number of protons, neutrons, and electrons in the sample of scandium that you weighed at 7.9 mass weight if it is
1. 1 answer
2. asked by GKMB
3. 3,990 views
The speed of sound in water is 1498 m/s. A sonar signal is sent straight down from a ship at a point just below the water
1. 2 answers
2. asked by Kalley
3. 3,793 views
A mixture of CO2 and an unknown gas was allowed to effuse from a container. The carbon dioxide took 1.25 times longer than the
1. 1 answer
2. asked by ANDY
3. 2,746 views
what type of intermolecular force describes the interaction between Ca2+ and Mg2+ with water?a. dipole-dipole b. hydrogen
1. 1 answer
2. asked by Shannon
3. 2,605 views
when you connect an unknown resistor across the terminals of a 1.50 V AAA battery having a negligible internal resistance, you
1. 2 answers
2. asked by brad
3. 2,518 views
Which of the following has a boiling point which does not fit the general trend.NH3 PH3 SbH3 AsH3 I am going with NH3 as i think
1. 1 answer
2. asked by Anonymous
3. 2,485 views
The van der waals equation incorporates corrections to the ideal gas in order to account for the properties of real gases one of
1. 2 answers
2. asked by Dave
3. 2,323 views
6) How many grams of copper (II) fluoride, CuF2, are needed to make 6.7 liters of a 1.2 M solution?
1. 2 answers
2. asked by jeff
3. 2,249 views
Which of the following is NOT a postulate of the kinetic molecular theory?A; the average kinetic energy of the particles is
1. 3 answers
2. asked by Andy
3. 2,056 views
Dr BobAlthough helium atoms do not combine to form He2 molecules. is it true to say that He atoms are weakly attracted to one
1. 2 answers
2. asked by Andy
3. 2,012 views
Which of the following is a true statement about chemical equilibria in generalA.there is only one set of equilibrium
1. 2 answers
2. asked by Dave
3. 2,003 views
Two men went on a fishing trip on the gulf lo Mexico and caught 25 fish. The verbs in this phrase are "went" and "caught" right
1. 2 answers
2. asked by Fabian
3. 1,954 views
Romeo and Juliet are dynamic characters, characters who change during the course of the play. Describe how the lovers have
1. 1 answer
2. asked by jessica
3. 1,758 views
the van der waals equation incorperates coreections for the ideal gas law in order to account for the properties of real gases.
1. 2 answers
2. asked by Dave
3. 1,691 views
Transverse waves with a speed of 50.0 m/s are to be produced on a stretched string. A 5.00m length of string with a total of 60
1. 1 answer
2. asked by yolanda
3. 1,639 views
1. Aaron Nance is a freshman in college who has not yet decided on his major. He is thinking about majoring in operations
1. 14 answers
2. asked by valeria
3. 1,637 views
The united states of america is located in north america. Is the verb in this sentence just "is" or is "located" a verb to??
1. 3 answers
2. asked by Fabian
3. 1,582 views
Aaron plans to attend college once he completes this course workbook. The verb in this phrase would be "attend" becuase is the
1. 1 answer
2. asked by Fabian
3. 1,521 views
A lottery has one $1000000 prize, two $50000 prizes, ten $1000 prizes, and two hundred $50 prizes. There are to be one milllion
1. 2 answers
2. asked by Madmazel
3. 1,502 views
what is observeed when carbon dioxide was bubbled into bromothymol blue?a. the color of the solution changed from greenish to
1. 2 answers
2. asked by grace
3. 1,472 views
Ammonia and gaseious hydrogen chloride combine to form ammonium chloride.NH3(g) + HCl(g) = NH4Cl(s) (balanced) If 4.21 L of
1. 4 answers
2. asked by dkfdsfdsf
3. 1,363 views
since the stock market began in 1872, stock prices have risen in about 73% of the years. Assuming that market performance is
1. 0 answers
2. asked by Anonymous
3. 1,300 views
A supersonic plane flies directly over you at 1.8 times the sound speed. You hear its sonic boom 20s later.What is the plane's
1. 2 answers
2. asked by Mike
3. 1,274 views
How many lines of symmetry does the letter "X" have and how mnay lines of symmetry does a twelve sided cross figure have?
1. 3 answers
2. asked by Janet
3. 1,272 views
Suppose that the width of a rectangle is 5 inches shorter than the length and that the perimeter of the rectangle is 50 inches.
1. 1 answer
2. asked by tasha
3. 1,246 views
What is the equilibrium constant for the reaction:HCOOH(aq)+ OH (aq) <--> HCOO(aq)+ H2O(l) Ka= 1.7 * 10^-4 Kb for the conjugate
1. 0 answers
2. asked by Molly
3. 1,229 views
Assume the body temperatures of healthy adults are normally distributed with a mean of 98.20 °F and a standard deviation of
1. 1 answer
2. asked by Nathan
3. 1,227 views
When you are told time after time that there are no (jobs. And it) is time for some creative thinking and acting.What is the
1. 0 answers
2. asked by morgan
3. 1,223 views
students in a biology class just took a final exam. a formula for predicting the average exam grade on a similar test t months
1. 1 answer
2. asked by selina
3. 1,210 views
a circle of radius 1 rolls around the outside of a circle of radius 2 without slipping. the curve traced by a point on the
1. 0 answers
2. asked by Nancy
3. 1,202 views
I'm doing a Medieval ABC book, and I need to draw an illustration for each word.How can I illustrate "zeal"? Also I hope I
1. 1 answer
2. asked by Lea
3. 1,199 views
solve the system of linear equations using the addition method. Can you please show me the steps on how you reached the answer.
1. 1 answer
2. asked by Heather
3. 1,198 views
Bellevue Hospital in New York City uses 100.6 °F as the lowest temperature considered to indicate a fever.a. (0.1 point) What
1. 1 answer
2. asked by Annie
3. 1,196 views
a) Explain why the knee-jerk reflex still functions in a person with a severed spinal cord.b) Why is there no sensation of the
1. 0 answers
2. asked by CL
3. 1,196 views
Using the 68-95-99.7rule. Assume that a set of test scores is normally distributed with a mean of 100 and a standard deviation
1. 1 answer
2. asked by Christine
3. 1,174 views
Can someone check my answer please:Magnesium metal(0.100 mol)and a volume of aqueous HCL that contains 0.500 mol are combined to
1. 5 answers
2. asked by Andy
3. 1,167 views
How do you find the area of a trapezoid and a kite?
1. 1 answer
2. asked by Aminah
3. 1,159 views
A steel container of oxygen has a volume of 20.0 L at 22 C @35 atm. What is the volume @ STP? How many mol of oxygen are in the
1. 8 answers
2. asked by hanna banana
3. 1,135 views
when you hold a hydrogen filled pipet bulb horizontally with its mouth about 1 cm from a falme while gently squeezing what would
1. 3 answers
2. asked by grace
3. 1,107 views
A 4.30 g nugget of pure gold absorbed 293 J of heat. The initial temperature was 23.0°C. What was the final temperature?
1. 1 answer
2. asked by brett
3. 1,105 views
Think back over what you have studied and learned in this course. Do you have a new perception of or appreciation for the field
1. 1 answer
2. asked by Demetrice
3. 1,105 views
1)In the figure, the vertices of right-angled isosceles triangle ABC are A, B(2,0) and C(8,0) respectively. find the equations
1. 0 answers
2. asked by Help
3. 1,065 views
One end of an open-ended manometer is connected to a canister of unknown gas. The atmospheric pressure is 1.03 atm. The mercury
1. 1 answer
2. asked by steve
3. 1,044 views
for following reaction at equilibrium if we increase the reaction temperature the equilibrium will2SO3(g)<-->2SO2(g)+O2(g)(delta
1. 2 answers
2. asked by Dave
3. 1,040 views
What is 4.85 divided by 5
1. 2 answers
2. asked by Gary Lee
3. 1,035 views
I do not understand how to work a problem or equation out for geometry.The equation refers to two parrellel lines that have a
1. 2 answers
2. asked by BWB
3. 1,029 views
I'm doing an ABC book for Medieval words, and I need to do one for the letter Z.I found the word Zupan, but I'm not entirely
1. 0 answers
2. asked by Lea
3. 1,021 views
what type of fallacies isLetter to the editor: “Andrea Keene’s selective morality is once again showing through in her July
1. 0 answers
2. asked by nisha
3. 1,015 views
Which point(s) of concurrency in a triangle is (are)never outside the triangle?Is the orthocenter the only concurrency point
1. 1 answer
2. asked by BWB
3. 1,012 views
a 500.0 ohm resistor is connected in a series with a capacitor.what must be the capacitance of the capacitor to produce a time
1. 1 answer
2. asked by brad
3. 983 views
a piece of wire has a resistance of R , it is cut into three pieces of equal length,and the pieces are twisted together parallel
1. 3 answers
2. asked by brad
3. 968 views
when you insert a glowing wooden toothpick into a oxygen-filled pipet what would you observe?a. nothing b. the glow of the
1. 2 answers
2. asked by grace
3. 965 views
HamletWhats this line mean? Nay, answer me: stand, and unfold yourself.
1. 1 answer
2. asked by Courtney
3. 938 views
In a test, the average was 74 points/100 points. After the test, three of students relocate. Then the average was 75 points/100.
1. 1 answer
2. asked by Simon
3. 914 views
just want to know if i am in the right direction make example sentence for praticing generalization, discrimination, extinctiom,
1. 1 answer
2. asked by anna
3. 903 views
Do your homework before applying for any job. if you rewrote the sentence beginning with (Be sure that you) the next words would
1. 2 answers
2. asked by Anonymous
3. 899 views
Physicians practicing in Eastern University’s hospital have the following compensation agreement. Each doctor bills the
1. 1 answer
2. asked by Tony
3. 884 views
In the hope of high returns, venture capitalists provide funds to finance new (start up) companies. However, potential
1. 1 answer
2. asked by Riley
3. 874 views
When you are interviewed, be relaxed and friendly. Write a thank-you note to the potential employer when the interview is over.T
1. 4 answers
2. asked by none
3. 871 views
Dr BobCan you please confirm for me that only NH3 has a boiling point that does not fit the general trend from these choices NH3
1. 4 answers
2. asked by Andy
3. 868 views
what is the reaction between hexane & iodine?
1. 0 answers
2. asked by xyz
3. 857 views
Familiarize oneself with the types of jobs most often available, with the various employment offices, and with the skills most
1. 1 answer
2. asked by none
3. 850 views
Please help! I've been working on this since forever...So, I've got a conclusion and everything for my research paper, I just
1. 2 answers
2. asked by mysterychicken
3. 850 views
What is the sum of the interior and the exterior angles of a 100-gon?Would the interior be (100-2)180 = 98*180=17640 degrees. is
1. 0 answers
2. asked by BWB
3. 848 views
A toy manufacturing company that 5% of there toys are defective. A quality control person checks 50 toys.a) What is the
1. 2 answers
2. asked by Almaasak
3. 842 views
Which of the following statements are correct? a. a normal distribution is any distribution that is not unusual b. the graph of
1. 1 answer
2. asked by Christine
3. 839 views
"Do the two inequalities have the same solutions? Wriet yes or no.-5x > 0 x > 0 Solve each inequality and ch eck your solution.
1. 5 answers
2. asked by Dean
3. 823 views
I posted the wrong problem an hour ago. What is the integration of √(cotx)/sinx dx by using substitution? I don't think it's
1. 1 answer
2. asked by John
3. 806 views
First, you should study the openings posted in the local newspapers-subscribe to all of them if possible, or read it at the
1. 2 answers
2. asked by none
3. 801 views
when a 0.4-g almond sample is burned the heat gained by the water is 7525.4 J and the temperature of the water increased from 24
1. 2 answers
2. asked by shannon
3. 787 views
is y=a a linar or nonlinar function?
1. 1 answer
2. asked by :]
3. 782 views
A 64.9 kg skier coasts up a snow-covered hill that makes an angle of 25.4° with the horizontal. The initial speed of the skier
1. 0 answers
2. asked by Fallon
3. 780 views
Are there differences between plant and animal cell division?
1. 1 answer
2. asked by Sara
3. 779 views
Calculate the moles of aluminum ions present in 250.0 g aluminum oxide
1. 1 answer
2. asked by Sam
3. 775 views
I need help on this. Post a response to the following: Geologic events, such as volcanic activity, play an important role in
1. 2 answers
2. asked by Rayna
3. 756 views
No adequate dictionary of the entire English language exists untill the middle of the eighteenth century.what correction should
1. 3 answers
2. asked by kayci
3. 747 views
Qc for the following chemical reaction3CIO2-(aq)<-->2CIO3-(aq)+Cl-(aq) Choices A:3[CIO2-]/2[CIO3-][Cl} B:2[CIO3-][Cl]/3[CIO2-]
1. 7 answers
2. asked by Stuck
3. 744 views
I am very lost with this assignment can someone please help me.I just need one sample thank you. The Lanford Corporation had
1. 0 answers
2. asked by Martha
3. 728 views
Are there any good websites on coral reefs ?I'm working on my research paper, and this is what I have so far. Coral reefs, also
1. 0 answers
2. asked by y912f
3. 717 views
Noun Clauses1. is this noun clause used as a predicate noun? - Kendra is asking WHY you are acting that way. 2. is this noun
1. 3 answers
2. asked by Sara!
3. 712 views
The International Atomic Energy Agency (IAEA)1. controls nuclear weapons stockpiles. 2. inspects nuclear power plants. 3. tests
1. 2 answers
2. asked by tammy
3. 712 views
When you are in school, almost any Subject seems a potential area for a good job.what correction should be made in this
1. 3 answers
2. asked by morgan
3. 711 views
Dr BobCan you confirm please Given a cylinder of fixed volume filled with one mole of Ar gas,which of the following is CORRECT?
1. 2 answers
2. asked by Andy
3. 700 views
What is the volume of a box whose length is 12-2x, width is 7-2x, and height is x.l*w*=height 12*7=84 2x=84 x=42 Is this right,
1. 1 answer
2. asked by Keaton
3. 689 views
Germany and France are located next to eachother. What geographic advantages do they have in common that would help their
1. 1 answer
2. asked by melissa
3. 689 views
Dixon Corporation is considering a public offering of common stock. The firm will offer one million shares of common stock for
1. 0 answers
2. asked by john
3. 687 views
Formula given: H=7+70t-16tsquared. Ball kicked straight up from a height of 7 feet. Ball travels 70 feet per second. How high is
1. 2 answers
2. asked by Rick
3. 679 views
A polyhedron has 15 vertices and 31 edges. How many faces does it have?
1. 1 answer
2. asked by KiKi
3. 676 views
(Effects of Quality Management on Domestic and Global Competition Paper)- Write a 700-word paper in which you compare and
1. 3 answers
2. asked by Mike
3. 671 views
Whats this mean?And liegemen to the Dane.
1. 1 answer
2. asked by Courtney
3. 669 views
What does the future hold for Hispanic-Latino panethicity? I assume we will all continue to mix with each other, but will there
1. 2 answers
2. asked by annette
3. 662 views
how many grams of ammonium sulfate are needed to make a .25 M solution at a concentration of 6M?
1. 1 answer
2. asked by mora
3. 661 views
On a Corporation's balance sheet, a large tract of company-owned land is reported at its original cost of $50,000. The owner of
1. 2 answers
2. asked by Sheila
3. 660 views
In the hope of high returns, venture capitalists provide funds to finance new (start up) companies. However, potential
1. 0 answers
2. asked by Riley
3. 658 views
Could someone please check my answers for me..Thanks1. Mary needs Medicaid coverage. Where should she start looking for
1. 2 answers
2. asked by Please check my answers
3. 650 views
unscamble the letter to find the name of a malltrrlnematitanaaon
1. 2 answers
2. asked by mathew
3. 648 views
4. What provides the shortest-term mechanism for preventing acid-base imbalances in the body? The longest-term mechanism?
1. 0 answers
2. asked by monica
3. 638 views

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