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Questions Asked on December 1, 2009

Sodium Chloride is the LEAST soluble in which of the following liquids?a. H2O b. CCl4 c. HF d. CH3OH e. CH3OOH I know NaCl is a
1. 2 answers
2. asked by Nikki
3. 11,971 views
I really need help on D part of the following problem:A clever engineer designs a "sprong" that obeys the force law F subscript
1. 1 answer
2. asked by Ashley
3. 5,054 views
A company past experience indicates the 60% of its credit sales are collected in the month of sale, 30% in the next month, and
1. 2 answers
2. asked by Peaches
3. 4,878 views
Planet Z is 1.00×10^4 km in diameter. The free-fall acceleration on Planet Z is 10.0 m/s^2.a)What is the mass of Planet Z?
1. 2 answers
2. asked by kelly
3. 4,559 views
Rank the objects based on the strength of the gravitational force that would be felt by a spacecraft traveling at a distance of
1. 3 answers
2. asked by zack
3. 3,842 views
A car manufacturer is interested in conducting a study to estimate the mean stopping distance for a new type of brakes when used
1. 1 answer
2. asked by Bob
3. 2,868 views
Experiment= synthesis of n-butyl bromide, using n-butyl alcohol, NaBr, H2SO4. A) An ether and an alkene are formed as
1. 5 answers
2. asked by CMM
3. 2,743 views
The amplitude of an oscillator decreases to 69.0% of its initial value in 15.5s.a) What is the value of the time constant?
1. 1 answer
2. asked by kelly
3. 2,604 views
Inverted word order, unclear pronouns, and variable spellings are characteristics of what type of English?A.Old English
1. 3 answers
2. asked by Maggie May
3. 2,454 views
A 1.6 kg particle moving along the x-axis experiences the force shown in the figure. The particle's velocity is 4.2 m/s at x = 0
1. 3 answers
2. asked by Hope
3. 2,430 views
Two point charges are 10.0 cm apart and have charges of 2.0 µC and -2.0 µC, respectively. What is the magnitude of the
1. 2 answers
2. asked by Paulo
3. 2,172 views
How many water molecules are in a 10.0g sample of water?
1. 2 answers
2. asked by Heather
3. 2,151 views
Water flows steadily from an open tank into a pipe. The elevation of the top of the tank is 10.2 m, and the elevation at the
1. 1 answer
2. asked by AE
3. 1,913 views
A rocket is launched straight up from the earth's surface at a speed of 1.80×104 m/s^2.a)What is its speed when it is very far
1. 2 answers
2. asked by kelly
3. 1,860 views
A wheel rotates with a constant angular acceleration of 3.50 rad/s2. The angular speed of the wheel is 2.00 rad/s at t = 0. If
1. 2 answers
2. asked by Diane M.
3. 1,820 views
An oil refinery is located on the north bank of a straight river that is 2 km wide. A pipeline is to be constructed from the
1. 1 answer
2. asked by Aaron
3. 1,796 views
find the length of a pendulum that oscillates with a frequency of 1.0 Hz
1. 2 answers
2. asked by abbigail
3. 1,793 views
I'm having a hard time with the meter & feet part of my work today. I just don't really get it. Help me with the practice/study
1. 5 answers
2. asked by Karen
3. 1,677 views
At one table, some of the students shared 3 pizzas. Each pizza was cut into 8 slices. After the students shared the pizza
1. 7 answers
2. asked by micaela
3. 1,605 views
Why might a profitable motel shut down in the long run if the land on which it is located becomes extremely valuable due to
1. 3 answers
2. asked by toya
3. 1,599 views
A block of mass M hangs from a rubber cord. The block is supported so that the cord is not stretched. The unstretched length of
1. 5 answers
2. asked by Stephen
3. 1,513 views
What effect did the highland clearances and the Irish potato famine have on canada? Do ayou know anyone of Irish or Scottish
1. 6 answers
2. asked by Sara
3. 1,495 views
What kind of movie do you like? Why?1. I like comedy movies because I can laugh while watching them. 2. I like romantic movies
1. 2 answers
2. asked by rfvv
3. 1,494 views
The New River Gorge bridge in West Virginia is a 518 m long steel arch. How much will its length change between temperature
1. 1 answer
2. asked by Julie
3. 1,450 views
We did an experiment on the synthesis of n-butyl bromide using n-butyl alcohol and H2SO4. Why does the alkyl halide layer switch
1. 2 answers
2. asked by CMM
3. 1,445 views
Hello, I've been given a project in School, and I'm wondering if you guys could help me pick a topic, here is the prompt.On a
1. 4 answers
2. asked by Marry
3. 1,426 views
For the reaction 2Na(s) + Cl(g) �¨2NaCl(s), how many grams of NaCl could be produced from 103.0 g of Na and 13.0 L of Cl (at
1. 1 answer
2. asked by cr
3. 1,404 views
A transverse wave on a string is described by the following equation.y(x, t) = (0.35 m) sin[(1.25 rad/m)x + (92.8 rad/s)t]
1. 1 answer
2. asked by Jake
3. 1,347 views
I writing a topic sentence for a paragraph about "Annabel Lee" by Edgar Allen Poe, and I need to include imagery in it. Can you
1. 0 answers
2. asked by Sanchez
3. 1,278 views
I have to write sentences in passé composé, using the subject and verb shown below. The first one in each group is done
1. 2 answers
2. asked by Keyanna
3. 1,275 views
Something is rotten in the state of Denmark. (I.iv.90)Using two different literary devices, prove or refute the quotation above.
1. 3 answers
2. asked by -
3. 1,274 views
A metal stays solid at Fahrenheit temp below 1868.5Determine (in terms of an inequality) those Celsisu temp, for which the metal
1. 2 answers
2. asked by matt
3. 1,273 views
In the farm pet club pet show, 44 pets are entered. There are 3 times as many dogs as cats and half as many ferrets as dogs. How
1. 1 answer
2. asked by marissa
3. 1,265 views
A string is wrapped around a uniform solid cylinder of radius 3.10 cm, as shown in the figure. The cylinder can rotate freely
1. 1 answer
2. asked by asefa
3. 1,236 views
balance 1-butanol + oxygen=carbon dioxide+water how many grams of carbon dioxide and water are produced when 130.6 grams of
1. 1 answer
2. asked by lynn
3. 1,204 views
Write improper fraction as a mixed number or a whole number: 13/12
1. 3 answers
2. asked by Angela
3. 1,196 views
1. She had three sons, and they were happy family.(Is this a right sentence?) 2. One day she got a disease and stayed in bed.
1. 3 answers
2. asked by rfvv
3. 1,168 views
In poultry, black color is due to a dominant factor (B). The recessive color is red (b). A red male bird is mated to a black
1. 0 answers
2. asked by Katelynn
3. 1,166 views
a ladder leans against a awall.The top of the ladder is 8 feet above the ground. If the botttom of the ladder is then moved 2
1. 4 answers
2. asked by Ryan
3. 1,151 views
2C2H2(g)+5O2(g)=4CO2(g)+2H2O(g) If 50.0 mols of carbon dioxide were produced, how many mols of acetylene (C2H2) were used?
1. 0 answers
2. asked by michela
3. 1,137 views
A land developer wants to develop 20 acres of land. Each lot in the development is to be 5/4 of an acre. How many lots will the
1. 4 answers
2. asked by mike
3. 1,134 views
How can I make a good project for school re. promotion about perfume for example? I must do it on cardboard with pictures and
1. 1 answer
2. asked by Husam
3. 1,108 views
7. Classify each of the following as true or false. If false, tell why or give an example showing that it is not true.(a) For
1. 1 answer
2. asked by poo
3. 1,098 views
Consider the set of northwestern states or provinces {Montana, Washington, Idaho, Oregon, Alaska, British Columbia, Alberta}. If
1. 1 answer
2. asked by jamecia
3. 1,076 views
prove that(2cosx+1)(2cosx-1)= 1 +2cos2x
1. 2 answers
2. asked by adil
3. 1,061 views
If n-butyl alcohol, sodium bromide, water, and concentrated sulfuric acid (cooled in ice bath while adding H2SO4) are placed in
1. 1 answer
2. asked by CMM
3. 1,015 views
Why would author Charles Dickens write about poverty and generosity in his writings A Christmas Carol?
1. 1 answer
2. asked by Noah
3. 1,003 views
8. In an interview of 50 math majors,12 liked calculus and geometry 18 liked calculus but not algebra 4 liked calculus, algebra,
1. 1 answer
2. asked by poo
3. 1,000 views
there are 12 people at a party. each person shakes hands with each of th other guests. how many hadshakes will there be in all
1. 4 answers
2. asked by anu
3. 995 views
How does a water-saving shower head work?
1. 1 answer
2. asked by Dorthea
3. 985 views
what is the most important contributions of physics to industry
1. 0 answers
2. asked by marcel
3. 976 views
A box of weight 2N accelerates down a rough plane that is inclined at an angle 30 degrees above the horizontal. The normal force
1. 1 answer
2. asked by Ashley
3. 972 views
please i need help solving this problem, what is the resistance of a resistor if the potential difference across the resistor is
1. 2 answers
2. asked by Paulo
3. 959 views
The mass of a carbon atom is 2 x 10 ^ -26. What is the kinetic energy of a carbon atom moving with a speed of 500 m/s?I got 2.5
1. 1 answer
2. asked by Julia
3. 950 views
f(x)= x^2 / (x-2)^2find the intervals of concavity and the inflections points
1. 2 answers
2. asked by jackie
3. 913 views
aluminum reacts with sulfric acid to produce aluminum sulfate and hydrogen gas. how many grams of aluminum sulfate would be form
1. 1 answer
2. asked by S
3. 907 views
A recipe for muffin mix calls for 8 cups of flour, 3 cups of oatmeal, and 4 tablespoons of baking powder along with other
1. 1 answer
2. asked by mike
3. 901 views
write 2 different improper fractions that equal to 4 2/3.
1. 2 answers
2. asked by carla
3. 892 views
i want to know what a particle model is for magnesium oxide
1. 2 answers
2. asked by dharmesha
3. 889 views
Surface waves cause the most damage, but they are ironically called
1. 5 answers
2. asked by george
3. 869 views
On a cold winter day when the temperature is -20 degrees celsius, what is the amount of heat needed to warm internal body
1. 2 answers
2. asked by Joe
3. 848 views
The best conclusion concerning delta is that the cells
1. 1 answer
2. asked by Anonymous
3. 822 views
A spherical steel ball bearing has a diameter of 2.540 cm at 23°C.(a) What is the diameter when its temperature is raised to
1. 0 answers
2. asked by Kim
3. 813 views
On Open office the word program how do you do headers. Every time i go to insert header it says default and puts the header on
1. 1 answer
2. asked by Martha
3. 797 views
the profits of Mr/ Lucky's company can be represented by the equation y=-3x^2+18x-4, where y is the amount of profit in hundreds
1. 1 answer
2. asked by jordan
3. 790 views
How would I complete this phrase.Nosotros BLANK americanos. BLANK alumnos en una escuela secundaria. BLANK alumnos en la escuela
1. 3 answers
2. asked by Mariah
3. 780 views
How do i write a thesis statement for analyze the Han and Roman attitudes towards technology? Or can i get one to use?
1. 7 answers
2. asked by Sally
3. 777 views
Hi! help me please, Thank you.A spherical steel ball bearing has a diameter of 2.540 cm at 23°C. (a) What is the diameter when
1. 1 answer
2. asked by Chan
3. 774 views
A sensitive gravimeter at a mountian observatory finds that the free-fall acceleration is 6.00 X 10^3 m/s^2 less than that at
1. 1 answer
2. asked by kelly
3. 774 views
I answered several question for an assignment and I need help to understand how I got it wrong. The assignment dwelt medical
1. 1 answer
2. asked by Dan
3. 771 views
What is a transcendentalist?
1. 1 answer
2. asked by Jeaninne
3. 765 views
I have to think of things, facts, or people I know. I have to write a paragraph about them. Write at least eight sentences, four
1. 2 answers
2. asked by Keyanna
3. 749 views
This is a table:table 5-1: 1845 Census ______________________________________ Total population 223 054
1. 8 answers
2. asked by Sara
3. 749 views
In this assignment, answer the questions below in complete sentences, with logical responses. But I don't know some of these
1. 1 answer
2. asked by Keyanna
3. 736 views
During a hike, Sally and Dave collected 160 acorns. Sally collected 3 times as many acorns as Dave. How many acorns did Dave
1. 1 answer
2. asked by linda
3. 730 views
Erika spent5/6hr. on her computer visiting the History Channel and the Discovery Channel websites. She spent 12 minutes at the
1. 1 answer
2. asked by mike
3. 723 views
What is attacted by herpes?
1. 3 answers
2. asked by Bob
3. 722 views
I have finals coming up in a week and a half. I know I should have started studying earlier, but I just had an exam in my chem
1. 1 answer
2. asked by Katherine
3. 714 views
I have to find the correct term that best fits each definition.1)The "transforming factor" that alters pneumonia bacteria 2)The
1. 2 answers
2. asked by Bob
3. 705 views
How bright a star appears can depend on how much light the star actually emits and how far away it is. The stellar magnitude
1. 0 answers
2. asked by Anonymous
3. 704 views
using the equation A=L+OE how would you balance this problem: You buy acompany for $200,000 - Assets are land $50,000, building
1. 0 answers
2. asked by sue
3. 678 views
The annual rainfall in California’s north valley averages twenty-threeinches. So the rainfall next year will be twenty-three
1. 1 answer
2. asked by diane
3. 673 views
1. That sounds fun to me.(What is the part of sppech of 'fun'? Is it a noun or an adjective? What about "funny" instead of
1. 2 answers
2. asked by rfvv
3. 669 views
One card is selected at random from an ordinary set of 52cards. Find the probability of each of the following events: b. A spade
1. 3 answers
2. asked by connie
3. 659 views
correct verb form of leer when used as que __ ana?
1. 1 answer
2. asked by Anonymous
3. 656 views
Helen has 1/5 of her prorfolio in U.S. stocks, 1/8 of her porfolio in European stocks, and 1/10 of her porfolio in Japanese
1. 2 answers
2. asked by Diversification
3. 642 views
Compared with college students in the 1960s, college students today area. more liberal on some issues, more conservative on
1. 4 answers
2. asked by Cb
3. 640 views
(a) Illustrate a one-to-one correspondence between the following sets:N = {1, 2, 3, 4,. . . , n,. . .} F = {4, 9, 14, 19, 24,. .
1. 1 answer
2. asked by Ta
3. 630 views
what is a asituation that is currently in the news that would make a good topic for a cause and effect essay?i need to find osme
1. 6 answers
2. asked by y912f
3. 628 views
1. My favorite book is " the Autobiography of Benjamin Franklin." I love is because I can learn a lot of lessons about living in
1. 1 answer
2. asked by rfvv
3. 621 views
A particle of mass m starts from x subscript o = 0 m with V subscript o > 0 m/s. The particle experiences the variable force F
1. 0 answers
2. asked by Hope
3. 621 views
sam bought 1 of 250 tickets for $2 in a raffle with the prize of $400. Was $2 fair price?Can someone show me the formula on how
1. 3 answers
2. asked by Lauren
3. 617 views
The 93 nature camp students ate lunch at the lodge. They sat at an even number of tables. There were 5 students sitting at one
1. 2 answers
2. asked by gianina
3. 617 views
How do I convert the following quantity to moles?44.0g of H2O
1. 2 answers
2. asked by Brittany
3. 611 views
a) Suppose f(x) is defined on 0 ≤x≤1 by the following rule: f(x) is the first digit in the decimal expansion for x. For
1. 3 answers
2. asked by Mark
3. 607 views
the total cost for a school bus rental is 350$/day. Each bus holds 60 students. Find the cost (c) of renting the school bus as a
1. 2 answers
2. asked by Frank
3. 604 views
Ronald has a goldfish. His goldfish weights 12 lbs. If Ronald feeds the gold fish 2 ounces of food every hour and the fish gains
1. 2 answers
2. asked by Emily
3. 601 views
Stock in a company is selling for $113/4 per share. If someone purchases $893 worth of stock in this company, how many shares
1. 1 answer
2. asked by mike
3. 597 views
Ms. Sue can you please have a moment to look at my previous post, thanks
1. 1 answer
2. asked by Sara
3. 587 views
Dr. Bob, earlier you gave me the equation H2SO4 + NaHCO3 -> H2O + CO2 + Na2CO3 to balance. However, the S is not in the
1. 2 answers
2. asked by CMM
3. 584 views

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