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Questions Asked on February 13, 2007

(a) What is the pH of a 2.0 molar solution of acetic acid. Ka of acetic acid = 1.8 x 10¯5(b) A buffer solution is prepared by
1. 7 answers
2. asked by Dave
3. 3,402 views
Two identical but separate strings, with the same tension, carry sinusoidal waves with the same frequency. Wave A has an
1. 1 answer
2. asked by susan
3. 3,047 views
First, percent error can be negative, correct? Because in my lab I got -32%.Here are my questions that I need checked: 1. List
1. 1 answer
2. asked by Jay
3. 2,938 views
A ferris wheel is 250 ft in diameter and revolves every 40 second when in motion. You step up to the seat on the wheel at the
1. 1 answer
2. asked by Anthony Gonzalez
3. 1,644 views
For the following set, which number has the largest absolute value?4,-1,12,-20,19,0 Possible Answer of choice: A)0 B)19 C)-20
1. 2 answers
2. asked by jasmine20
3. 1,540 views
what constant acceleration, in SI units, must a car have to go from zero to 60mph in 10s?How far has the car traveled when it
1. 1 answer
2. asked by nick
3. 1,516 views
Find tan(3 theta) in terms of tan thetaUse the formula tan (a + b) = (tan a + tan b)/[1 - tan a tan b) in two steps. First, let
1. 0 answers
2. asked by Jake
3. 1,280 views
Why did the National Labor Union collapse? Please don't give me links - I've looked everywhere, including Wikipedia. I just
1. 0 answers
2. asked by Belinda
3. 1,267 views
pick two systems in the body and explain how they interactinteract with what? each other? elaborate plz. The respritory system
1. 1 answer
2. asked by jon'dreneque
3. 1,116 views
i have to do a project on the endocrine system it must be a display that is 3d any ideas it must not be store bought such as a
1. 0 answers
2. asked by Anonymous
3. 1,063 views
I couldn't find the sets of factors that add up to -13 in this problem. Plz help, anything is greatly appreciated!x^2-13x+36 Thx
1. 0 answers
2. asked by Emily
3. 1,051 views
As an environmental science teacher, how would you respond to someone who tells you (a) that he or she does not believe in
1. 1 answer
2. asked by Christy
3. 930 views
Please help.a). How many ways can a person select three appetizers and two soups if there are six appetizers and five soups on
1. 1 answer
2. asked by Susie
3. 915 views
Let f be the frequency, v wav the speed, and T the period of a sinusoidal traveling wave. The correct relationship is:a)f=1/T
1. 0 answers
2. asked by susan
3. 827 views
Describe the climate and physical characteristics of that biome and the types of organisms that live within it. Give examples of
1. 1 answer
2. asked by Jerry
3. 815 views
Could someone please explain Charlotte Smith poem "on being cautioned against walking on a headland overlooking the sea" ?or can
1. 0 answers
2. asked by Elda
3. 811 views
A stuntman drives a car (without negative lift) over the top of a hill, the cross section of which can be approximated by a
1. 0 answers
2. asked by COFFEE
3. 798 views
because in the previous message about the pemdasit is parenthesis,exponents,multiplication,division,addition,subtraction
1. 0 answers
2. asked by jasmine20
3. 780 views
what do you known about economics becouse i do not got itThese sites may help you. http://www.mcwdn.org/ECONOMICS/EconMain.html
1. 0 answers
2. asked by delisha
3. 767 views
A certain string can withstand a maximum tension of 43 N without breaking. A child ties a 0.37 kg stone to one end and, holding
1. 0 answers
2. asked by COFFEE
3. 759 views
World War OneCan someone tell me the final chain of events that led the world to war.. What was the final chain of events that
1. 0 answers
2. asked by Bryan
3. 746 views
1~ What do red blood cells do and is there anything significantly different about them from other types of cells?2~ What are
1. 0 answers
2. asked by Lesley
3. 746 views
Let f be the frequency, v wav the speed, and T the period of a sinusoidal traveling wave. The correct relationship is:a)f=1/T
1. 0 answers
2. asked by susan
3. 744 views
Two sinusoidal waves travel in the same direction and have the same frequency. Their amplitudes are Y1 and Y2. The smallest
1. 0 answers
2. asked by susan
3. 736 views
How do you do a bibliography?Bibliographies are also known as Works Cited pages these days because we use so many more sources
1. 1 answer
2. asked by Shaylee
3. 723 views
A bicyclist travels in a circle of radius 35.0 m at a constant speed of 7.00 m/s. The bicycle-rider mass is 72.0 kg.Calculate
1. 0 answers
2. asked by COFFEE
3. 698 views
Find two Web sites dealing with indigenous cultures and/or religions. Discuss how modern civilization has impacted the spiritual
1. 2 answers
2. asked by Chris
3. 691 views
what is monomiala monomial is one term containing variables or constants. see merriam webster website too. look up monomial.
1. 0 answers
2. asked by jose
3. 675 views
Suppose a company has the following costs:Labor $400 Equipment $300 Materials $100 A)What is the total accounting cost? B)What
1. 0 answers
2. asked by Kelai
3. 650 views
I couldn't find the sets of factors that add up to -13 in this problem. I have to solve this problem by factoring, not anything
1. 0 answers
2. asked by Emily
3. 635 views
I'm confused with transitive property, substitution postulate, addition postulate, and subtraction postulate. What are they? and
1. 0 answers
2. asked by Katrina
3. 631 views
what it the name given to a body of land with water surrounding it?http://www.mcwdn.org/MAPS&GLOBES/LandForms.html Let us know
1. 1 answer
2. asked by cindy
3. 625 views
drawls this is from the previous post is this correct.solve the system by subtraction. 5x-3y=13 4x-3y=11 equation#2 woudl be
1. 0 answers
2. asked by jasmine20
3. 621 views
Consider the interrelatedness of everything in the cosmos as it is expressed in many indigenous religions. How do you think the
1. 6 answers
2. asked by Chris
3. 618 views
Brigham Young chose the Great Salt Lake valley because of its _________(9 letter word) http://unicomm.byu.edu/about/brigham/
1. 0 answers
2. asked by Carl
3. 617 views
This is the chartCanada produces 50 wheat and 20 Microchips Jpn produces 2 wheat and 12 Microships the chart shows the
1. 0 answers
2. asked by tofu
3. 610 views
How do you figure out a related sentence for fractions? (here is the problem) t + 1/8= 3/5multipy the 1/8 by 5/5 or it is 5/40
1. 1 answer
2. asked by Emily
3. 607 views
Im struggling on all of this and I just don't get it the terminologies or anything else would someone allow me to look at their
1. 0 answers
2. asked by Jonesy 31
3. 596 views
the number of protons in the nucleus of an atom is called the....atomic number
1. 0 answers
2. asked by alejandra
3. 593 views
Two sinusoidal waves travel in the same direction and have the same frequency. Their amplitudes are Y1 and Y2. The smallest
1. 0 answers
2. asked by susan
3. 588 views
Can someone please help me with these?Write formulas for the following compounds. copper (III) chlorate lead (II) nitrate
1. 1 answer
2. asked by Florencia
3. 588 views
why arent thermometers truly accurateThank you for using the Jiskha Homework Help Forum. First of all you haven't mentioned what
1. 0 answers
2. asked by Danielle
3. 578 views
Evaluate (15-5)/[((12)/(2*2))-2]my answer that i keep getting is 1 am i even correct or completely wrong The ans is 10 see i had
1. 0 answers
2. asked by jasmine20
3. 578 views
how did the 1877 Haymarket strike cause the public to resent the labor movement?http://en.wikipedia.org/wiki/Haymarket_Riot
1. 0 answers
2. asked by kayla
3. 574 views
atoms of the same element with different atomic masses are calledisotopes. I don't do these fill in the blank problems without
1. 0 answers
2. asked by alejandra
3. 567 views
I A S W A AThank you for using the Jiskha Homework Help Forum. Here is your answer! AcronymDefinitionIASWAAIt's A Small World
1. 0 answers
2. asked by Ron
3. 565 views
What does a saline solution of 0.9% mean quantitatively? (Per 100 gram solution; percent by mass)0.9 g NaCl + 99.1 g H2O.
1. 0 answers
2. asked by Ron
3. 562 views
What are the most significant similarities between the Chinese American and Japanese American [cultural]?What are the
1. 0 answers
2. asked by Anonymous
3. 556 views
Did John Lennon have any brothers or sistershttp://en.wikipedia.org/wiki/John_Lennon#Early_years:_1940-1957 =)
1. 0 answers
2. asked by Kate
3. 545 views
I need help!!!!I have a paper entitled Study Guide and Intervention: Multiplying and dividing Rational expressions? I don't get
1. 0 answers
2. asked by Mary
3. 543 views
How do i do thois problem?Please help.Problem #1 solve the system by subtraction. 5x-3y=13 4x-3y=11 Subtract the lower
1. 0 answers
2. asked by jasmine20
3. 541 views
How do you do this in your calculator?tan 79=x/150 x= 140 tan 79 Calculators are differnt. Here is my 70 tan x (times key) 150 =
1. 0 answers
2. asked by Wilma
3. 538 views
what was alexander mitchell palmer's background. What religion is he associated with and how was his relationship with his
1. 0 answers
2. asked by rach
3. 525 views
Hi , My daughter has a 4-5 page assignment about how bread is made,From the time the seed is planted and the stages that follow
1. 0 answers
2. asked by shakira
3. 518 views
Sometimes, technology and visual aids can be more of a distraction than a helpful component to a presentation. Provide an
1. 0 answers
2. asked by joni
3. 510 views
At a fair run by a local charity organization, it costs 50 cents to try one's luck in drawing an ace from a deck of 52 playing
1. 0 answers
2. asked by Martha
3. 509 views
Doing an experiment to find the solubility of calcium carbonate in 100 ml of water. The experiment is using water temp 20
1. 0 answers
2. asked by Hailey
3. 506 views
A radio wave has a frequency of5,000,000 Hz. Write this number in scientific notation.??????????????????????????????????????????
1. 0 answers
2. asked by Megan
3. 503 views
I have a supposedly white gold choker. It is stamped F on the back. No other markings. Can you tell me what that means?Thank you
1. 0 answers
2. asked by Gail
3. 502 views
WHAT IS A LESAT COMMON DENOMINTAIRthe least common multiple of two or more denominators. I copied it from merriam webster
1. 0 answers
2. asked by LORE 645
3. 499 views
Three cards are drawn from a deck of 52 playing cards and not replaced. Find the probability of the following:a). Getting three
1. 0 answers
2. asked by Dan
3. 498 views
Does this sound okay, if not how might i improve it?Thanks. In this lab the purpose states that the method of extraction is to
1. 0 answers
2. asked by Richard
3. 489 views
what is the voltage of a wall socket?Most in the U. S. are 120 volts. There are more 220 v sockets being installed for operating
1. 0 answers
2. asked by Bob
3. 488 views
can some one help me set this up into eqautions to be solved please.One number is 6 more than another. If the sum of the smaller
1. 0 answers
2. asked by jasmine20
3. 476 views
i'm looking to find a good site for learning the basics of biochemistry.... (high school level)...any recommendations?
1. 0 answers
2. asked by sciencestudent
3. 472 views
How would you explain the misconception statement that Asian Americans and Pacific Islanders belong to a single Asian culture
1. 0 answers
2. asked by Anonymous
3. 470 views
how do you find the area of a triangle?1/2 x B x H (one half times the base length times the height of the triangle)
1. 0 answers
2. asked by jules
3. 470 views
can you check if how i solved it to show that my answer is no is correct.Is -4 a solution to the equation 7x-5+3x=6+x-10 This is
1. 0 answers
2. asked by jasmine20
3. 459 views
Find the LCM for 4 and 20My answer is: LCM IS 20 Your answer is right
1. 0 answers
2. asked by jasmine20
3. 443 views
what is the thickness of a pennyThe thickness of a U.S. "Lincoln" one cent piece is 1.55 millimeters
1. 0 answers
2. asked by nani
3. 443 views
why did the south industrilize more slowly than the north?The south had fertile farmland that produced abundant crops. It also
1. 0 answers
2. asked by kayla
3. 440 views
What are the functions and compostitions of lipids, carbs, and proteins?http://en.wikipedia.org/wiki/Nutrition
1. 0 answers
2. asked by Ufozo
3. 438 views
How would you explain the misconception statement that Asian Americans and Pacific Islanders belong to a singlPlease finish the
1. 0 answers
2. asked by Anonymous
3. 421 views
I just need a quick reference was Lee on the union forces or the confederate. I always confuse him and grant.Ok i got it now.
1. 0 answers
2. asked by Amel
3. 416 views
2.What does it mean to “follow the course of a reaction”?I would imagine it means to find the overall order of the reaction
1. 0 answers
2. asked by Rob
3. 408 views
What was Von Bismark view of dealing with France?http://en.wikipedia.org/wiki/Von_bismark
1. 0 answers
2. asked by Bryan
3. 404 views
solve the matrix equation for ax=bx+c for x={x1}{ x2} where a= { 6 0} b={-1 -2} c= {1] [15 1} { 4 -2} [2} please show work if
1. 0 answers
2. asked by brandon
3. 381 views
12 2/8% = . what?12 2/8% = 12 1/4% = 0.1225
1. 0 answers
2. asked by sis
3. 374 views

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