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Questions Asked on March 11, 2009

6) How many significant figures should be retained in the result of the following calculation?12.00000 x 0.9893 + 13.00335 x
1. 6 answers
2. asked by Loi
3. 15,867 views
which unit is equivalent to meters per second?a. hz*s b. hz*m c. s/hz d. m/hz
1. 4 answers
2. asked by jaden
3. 9,877 views
Write balanced equations for the formation of [Ni(NH3)6][BF4]2 starting from an anhydrous sample of nickel(II) choride
1. 1 answer
2. asked by Alice
3. 3,502 views
An iron ore sample was dissolved in hydrochloric acid and the iron was obtained as Fe2+(aq). The iron solution was titrated with
1. 1 answer
2. asked by Bob
3. 2,901 views
Use implicit differentiation to finddz/dy for yz = ln (x+z) I am unsure of how to deal with the right side specifically.
1. 3 answers
2. asked by Eve
3. 2,343 views
Which type of seismic wave causes rock particles to move in the same direction as the wave movement?a. P-wave b. S-wave c.
1. 3 answers
2. asked by Angie
3. 2,014 views
here is my question: A bullet with a mass of 6.00 g is fired through a 1.25 kg block of wood on a frictionless surface. The
1. 3 answers
2. asked by physics
3. 1,994 views
two people are pushing a car of mass 2000kg. if they each push with a force of 320N at an angle of 15degrees to each side of the
1. 1 answer
2. asked by cynthia
3. 1,737 views
I did an experiment where i put iron nail with zinc metal wrapped around it in agar solution.the solution turned pink. I have to
1. 3 answers
2. asked by Anonymous
3. 1,631 views
Continuous Random Variable, I Let X be a random number between 0 and 1 produced by the idealized uniform random number generator
1. 0 answers
2. asked by chris
3. 1,466 views
A certain amount of chlorine gas was placed inside a cylinder with a movable piston at one end. The initial volume was 3.00 and
1. 2 answers
2. asked by jaz
3. 1,394 views
the lcm is 30 the gcf is 2 whats the pair of numbers for each set of conditions
1. 3 answers
2. asked by lee
3. 1,332 views
find the final equilibirum temperature when 10.0 g of milk at 10.0degC is added to 1.60*10^2 g of coffee with a temperatrure of
1. 3 answers
2. asked by physics
3. 1,286 views
Subtracting a Fraction From 1Joe Jumped robe for 3 minutes and 24 seconds. How many seconds is three minutes and 24 seconds. I
1. 1 answer
2. asked by KYLE
3. 1,254 views
1. WPM=130 means 130 words a minute. This is the similar reading speed of the listening test for first graders in middle school.
1. 1 answer
2. asked by John
3. 1,203 views
If all requirments of a negotiable instrument have been met except delivery. can/should payment depend solely on delivery? If
1. 0 answers
2. asked by jack
3. 1,196 views
a driveway is 162 feet long, 12 feet wide, and 6 inches deep. how may cubic yards of concrete will be required to lay the
1. 3 answers
2. asked by lala
3. 1,182 views
Think of a sizzling hot barbeque grill. Can You give two examples of chemical changes in matter that may be taking place in it?
1. 2 answers
2. asked by Samantha-A.K.A- BAD IN SCIENCE!!
3. 1,150 views
help with acid/basesIf the pH at 50.0 mL of NaOH added is 4.0 and the pH at 150.0 mL of NaOH added is 8.0, determine the values
1. 0 answers
2. asked by Amy
3. 1,145 views
Lincoln High School has 98 teachers. Of the 42 female teachers 8 teach math. One-seventh of all teachers teach math. What is the
1. 1 answer
2. asked by Derek Bisignano
3. 1,131 views
I`ve looked at a lot of websites regarding how a hearing aid work but none of them told how the sound waves were involved in
1. 0 answers
2. asked by Lena
3. 1,036 views
Tris(hydroxymethyl)aminomethane, commonly called TRIS or Trizma, is often used as a buffer in biochemical studies. Its buffering
1. 0 answers
2. asked by John
3. 997 views
Write balanced equations for the formation of K4[Ni(NCS)6] starting from an anhydrous sample of nickel(II) nitrate. (3 equations
1. 3 answers
2. asked by Alice
3. 939 views
I have to translate several words into Spanish, but I have to write down at least three different variations of those words
1. 5 answers
2. asked by Anonymous
3. 916 views
consider the following sample statistics from a population that is aproximatly normal. n=15, s= 7.92,level of confidence is 99 %
1. 1 answer
2. asked by Angela
3. 890 views
What is the gerund phrase and does it act as a direct object, subject, or etc. in the following sentence: This means time spent
1. 1 answer
2. asked by asdf
3. 886 views
I have this figure of a square QRST with an equilateral triangle PQT sitting on top of the square. The figure looks like a
1. 1 answer
2. asked by Mike 50
3. 864 views
What was the cause and effect of the proclamation of 1763?
1. 1 answer
2. asked by Niko
3. 849 views
Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who
1. 0 answers
2. asked by james
3. 833 views
LCL is the height where air has cooled to the dew point. We can calculate LCL using temperature and dew point at the surface.Lik
1. 0 answers
2. asked by Danger girl
3. 816 views
What condition is necessary for the flow of heat? what analogous condition is necesary for the flow of charge?
1. 2 answers
2. asked by Taylor
3. 788 views
The thermal decomposition of dinitrogen pentoxide in the gas phase to give nitrogen dioxide and oxygen is a first order
1. 1 answer
2. asked by jen
3. 781 views
Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who
1. 0 answers
2. asked by james
3. 780 views
consider the following sample statistics from a population that is aproximatly normal. n=15, s= 7.92,level of confidence is 99 %
1. 1 answer
2. asked by Angela
3. 743 views
Hi!I'm in chem class and I don't know the answer to these questions I have several metal alloys and have to tell their general
1. 4 answers
2. asked by HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
3. 730 views
1) Arrange the metal-metal ion reactions (aluminum, copper, nickel), M^n+ + ne^- --> M^0, in a column, in order of decreasing
1. 1 answer
2. asked by danny
3. 730 views
Calculate the sodium ion concentration when 80.0 mL of 4.5 M sodium carbonate is added to 30.0 mL of 1.0 M sodium bicarbonate.ho
1. 1 answer
2. asked by lyne
3. 728 views
1. After you write short passages about two of your friends, send an e-mail to one of your classmates. The student who gets the
1. 1 answer
2. asked by John
3. 727 views
deetermin the slope and the y-intercept of each question#1 5x+2y=10
1. 1 answer
2. asked by Ashlynn
3. 727 views
which of the following caused a split in the women's suffrage campaign?a. Alice Paul's aggressive strategy b. Carrie Chapman
1. 3 answers
2. asked by his
3. 727 views
1. According to 'spacing words', write the following right.Iaminmyfirstyear. -> I am in my first year. 2. Let's write down the
1. 1 answer
2. asked by John
3. 710 views
I need help with a few problems (< means square root of, * means multiplication,^ means squared, and /means fraction)1)
1. 0 answers
2. asked by Chirs
3. 700 views
Melissa plays with the same four girls everyday.She has a lot of energy, is independent, and is concerned about what her friends
1. 5 answers
2. asked by Cynthia
3. 677 views
Any tips to help me study on a quiz [or any kind of tests] ?I have trouble getting all of the materials in my head. HELP?
1. 5 answers
2. asked by Beth
3. 667 views
a 500 Newton ballerina did 250 joules of work to lift herself upwars through the air. She landed a total of 2.5 meters to the
1. 2 answers
2. asked by Jaisa
3. 662 views
In a study of the alcohol dehydrogenase catalysed oxidation of of ethanol at 25.0 C, the molar concentration of ethanol
1. 0 answers
2. asked by gina
3. 660 views
would really appreciate help on these equations.3. Devon tosses a horseshoe at a stake 30 feet away. The horseshoe lands no more
1. 0 answers
2. asked by Peter
3. 657 views
How do I solve problems like the following?There area approximately 5.58x10^21 (scientific notation) atoms in a gram of silver.
1. 1 answer
2. asked by Cat
3. 644 views
at school i was asked to write a job letter. this letter will be send to a bank in order for that person to get a loan. whats
1. 1 answer
2. asked by Temika
3. 629 views
please helppresident Roosevelt's progressive record included all the following EXCEPT a. conservation of forest land b. break-up
1. 1 answer
2. asked by his
3. 629 views
Concerning my past question, is "working" the only word in the gerund phrase and my teacher said that it "working" wasn't a DO.
1. 1 answer
2. asked by asdf
3. 625 views
I have a bill like a duck, But the hair of a mammal i lay eggs like a bird, But I nurse my young what am I?
1. 2 answers
2. asked by elizabeth
3. 622 views
i understand what this paragraph is generally talking about but i feel that i really don't understand it (i have a reading
1. 2 answers
2. asked by kayla
3. 620 views
We did a LAB where we used a spectrophotometer to measure the absornency of a solution. It was a bluish color, so the question
1. 2 answers
2. asked by jaseline
3. 610 views
study guide last onepurpose of 3 types of RNA My answer 1. rRNA - bonds proteins and mRNA to provide the site of protein
1. 1 answer
2. asked by sam
3. 609 views
any idea of what mabel schmeiser barnes' field of mathematics was? any information on her parents and if she had siblings? major
1. 3 answers
2. asked by Ty
3. 608 views
The heat energy of ethanol is 29800J/g. A 355g can of beer contains 3.70% ethanol by mass. How many ethanol calories are in a
1. 1 answer
2. asked by Kayla
3. 602 views
A 300 Calorie donut is used to heat 5.0 kg of water. If the initial temperature of the water is 20 degrees C what will the final
1. 2 answers
2. asked by Kayla
3. 602 views
im having trouble finding a general solution for sin2x+sinx=0all of the examples our teacher gave in class seem much different
1. 2 answers
2. asked by Sarah
3. 598 views
a systems of values. hint:it starts with ph and the 6th letter is s.please help!!!!!!!!!!!!!!
1. 5 answers
2. asked by ghgfhkj
3. 595 views
If a mole is equivalent to 6.02x10^23 molecules, and a liter of water has about 55.5 moles of H20, how do I find the amount of
1. 0 answers
2. asked by Cat
3. 590 views
Write a function for the input-output table.Input x- 0, 1, 2, 3 Output 7- 3, 4, 5, 6
1. 3 answers
2. asked by Kaw
3. 590 views
A 2 cm object is placed 36 cm from a screen. Where should a converging lens of focal length 8 cm be placed between them to form
1. 1 answer
2. asked by Jordan
3. 589 views
Could you please help me with this thanks.In act 1 scene 5 Romeo and Juliet say speeches that form a sonnet. Could you give me a
1. 1 answer
2. asked by Lala
3. 588 views
for religion we are doing a saint prject. We did Saint (our name) and made a picture of ourselves. Then we had to label things
1. 5 answers
2. asked by beecca
3. 583 views
Napoleon became a great emperor because he was short.Which fallacy is this?
1. 4 answers
2. asked by Brenda
3. 582 views
MULTIPLICATION OF WHOLE NUMBERS BY FRACTIONS:TO FIND 3/4 OF 12... A. 1/4 OF 12 IS ? B. 3/4 IS 3 TIMES AS MUCH AS ? C. 3X3= ? SO
1. 5 answers
2. asked by deb
3. 581 views
2051 kids were surveyed on how they earn money. 47% said parents gave them money, 32% said allowance, 45% said odd jobs, 26%
1. 2 answers
2. asked by Anonymous
3. 579 views
I`ve looked at a lot of websites regarding how a hearing aid work but none of them told how the sound waves were involved in
1. 2 answers
2. asked by Lena
3. 579 views
Clapeyron equation: dp/dT = ΔS / ΔVMy textbook says, for fusion/melting reactions: dp/dT = ΔH / (T ΔV) this implies that T *
1. 0 answers
2. asked by reed
3. 576 views
A quarter pound hamburger (115g) will rise the temp of 5kg of water 82.8 degrees C. A person uses about 100 Calories per mile
1. 1 answer
2. asked by Kayla
3. 574 views
Can you tell me if this is the correct way to write in standard form:1. Fifty-four million, six and six hundredths:
1. 1 answer
2. asked by rissy
3. 557 views
Women need to be either brillent or beautiful to survive in this world.Which fallacy is this?
1. 2 answers
2. asked by Brenda
3. 549 views
I need some help with listing at two pros and cons for each of the given patient and caregiver roles as a-Mechanics and machines
1. 2 answers
2. asked by kia
3. 546 views
I just want to make sure my answer is correct. I have to balance the equation.Hydrogen + Chlorine -> Hydrogen chloride H2 + Cl2
1. 1 answer
2. asked by Mike
3. 543 views
i need 3 essayi wrote but it is not ready yet can you improve and change my essay to ready... you can rewrite and improve... i
1. 2 answers
2. asked by faruk
3. 539 views
i don't know how to write balanced chemical half reactions for the oxidation of copper, aluminum, and nickel. can anyone help
1. 1 answer
2. asked by danny
3. 536 views
My class was awarded $30.000.00 for winning a Spelling Bee competition and my classmates have agreed to use the money towards a
1. 2 answers
2. asked by Oxsana
3. 534 views
Nylon and Steel have exactly the same resistance to breaking under tension. Explain then why someone would use a steel cable
1. 1 answer
2. asked by SAm
3. 523 views
In the same experiment, we found the absorbance of three unknown solutions at 635 nm. How do i use this information to find
1. 1 answer
2. asked by jaseline
3. 523 views
In a multicultural classroom, what arethe concerns in terms of social justice for all students? How would address these
1. 1 answer
2. asked by scooby91320002
3. 522 views
In the following sentence, what part of speech is the word "spent": This meant time spent working was wasted.
1. 1 answer
2. asked by asdf
3. 519 views
Which battle was the most important one of the revolutionary war, and why?
1. 1 answer
2. asked by rochelle
3. 518 views
Could someone pretty plz plz plz help me...What are the 2 biggest parts of the human brain??
1. 3 answers
2. asked by Logan:)
3. 517 views
Child care staff are most effective during science activities when theyA.encourage convergent thinking B. answer questions as
1. 4 answers
2. asked by Cynthia
3. 513 views
The rate of formation of C in the reaction 2 A + B ----> 3 C + 2 D is 2.2 mol/L.s. Calculate the rates of reaction of A and B,
1. 0 answers
2. asked by donna
3. 512 views
I need to balance the following equation. I just want to make sure I', right:Zn + HCl-> ZnCl2 + H2 Zn + 2HCl-> ZnCl2 + H2
1. 2 answers
2. asked by Mike
3. 511 views
MULTIPLICATION OF WHOLE #'S BY FRACTIONS.FIND EACH PRODUCT: 1. 1/2 OF 20 IS ? 2. 2/3 OF 15 IS ? 3. FIND TWO-FIFTHS OF TEN ? 4.
1. 4 answers
2. asked by deb
3. 508 views
basic beliefs of command economy
1. 1 answer
2. asked by sara
3. 504 views
I understand this question but can't find it so can you please help me.How does this speech about his love for Juliet compare to
1. 1 answer
2. asked by Romeo
3. 503 views
solve and graph the inequalitiesy >=xsquared y<=x squared =3
1. 0 answers
2. asked by Abby
3. 501 views
You're a teacher in an area day care center. Before your children arrive each morning, you set up several areas with a variety
1. 2 answers
2. asked by Cynthia
3. 497 views
In una liberia-cartoleria. Say who is buying the following things.Esempio: Io/ il libro di storia Io compro il libro di storia.
1. 2 answers
2. asked by Dillian
3. 494 views
i am doing factoring with quadratic trinomials, And I don't understand any of it!The problem im working on is 5p2-22p+8 I
1. 0 answers
2. asked by Tiffany
3. 492 views
Homosexuals must not be allowed to hold government office. Hence any government official who is revealed to be a homosexual will
1. 1 answer
2. asked by Brenda
3. 492 views
Source F:If abolotion shall take place, our interest in the West-India islands must be at an end,Seventy millions of property
1. 1 answer
2. asked by Nabiha
3. 489 views
q times 11,minus the product of 6 and t
1. 2 answers
2. asked by eghe
3. 478 views
hi, has anyone done the lab on 1.2 lab : constant velocity? it's about ticker tape. thanks
1. 1 answer
2. asked by ashley
3. 467 views
these are for my study guide -1. what type of bonds hold the dna bases together and are they weak or strong My answer: hydrogen
1. 0 answers
2. asked by sam
3. 465 views
list from least to greatest7.3,6,7/8,2 2.4,-1.4,-3,4.7,3.8 2/5,1/10,.5,1.6,.42
1. 4 answers
2. asked by twilight hater
3. 463 views

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