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Questions Asked on September 18, 2010

A mixture contains only NaCl and Al2(SO4)3. A 1.45-g sample of the mixture is dissolved in water and an excess of NaOH is added,
1. 3 answers
2. asked by Melissa
3. 6,007 views
What minimum frequency of light is required to ionize potassium?The energy required to ionize potassium is 419kJ/mol?
1. 4 answers
2. asked by Ashley
3. 5,006 views
In a certain town, 25% of people commute to work by bicycle. If a person is selected randomly from the town, what are the odds
1. 3 answers
2. asked by Sarah
3. 4,238 views
a roller coaster, traveling with an initial speed of 15 meters per second, decelerates uniformly at -7.0 meters per second
1. 2 answers
2. asked by Ron
3. 3,453 views
How many one-to-one correspondences exist between two sets withA) 8 elements each? B) n-1 elements each?
1. 1 answer
2. asked by Geena
3. 3,248 views
A truck travels up a hill with a 7.2◦ incline.The truck has a constant speed of 19 m/s. What is the horizontal component of
1. 1 answer
2. asked by Brianna
3. 3,084 views
How many ml of 50% dextrose should be added to 1 L of 0.9% NaCl to make a 5% dextrose solution?
1. 4 answers
2. asked by Jessica
3. 3,081 views
write in standard form using numbers - Two thousand twelve ten-thousandths?
1. 10 answers
2. asked by candy
3. 3,052 views
Highway safety engineers build soft barriers so that cars hitting them will slow down at a safe rate. A person wearing a seat
1. 3 answers
2. asked by john
3. 2,659 views
why is the 5th ionisation energy(IE) of carbon so much larger than its 4th?
1. 1 answer
2. asked by kabelo
3. 2,435 views
How do you calculate the number of grams of solute in 0.250 L of 0.175 M \rm KBr?
1. 3 answers
2. asked by betty
3. 2,317 views
YW is a bisector of <XYZ. <XYW = (8x - 5) and <WYZ = (6x + 17). Find the measure of the following angles.1. < XYW = 2. < WYZ =
1. 2 answers
2. asked by Tricia
3. 2,284 views
The diameters of ball bearings produced in a manufacturing process can be described using a uniform distribution over the
1. 1 answer
2. asked by j
3. 2,138 views
A car enters the freeway with a speed of 6.5m/s and accelerates uniformly for 3.5 km in 3.9 min. How fast is the car moving
1. 3 answers
2. asked by Anonymous
3. 1,796 views
How do I write a quadratic equation having the given numbers as solutions of-9 and 3
1. 1 answer
2. asked by Allie
3. 1,766 views
A girl notices a ball moving straight upward just outside her window. The ball is visible for 0.25 seconds as it moves a
1. 1 answer
2. asked by Jon
3. 1,592 views
The tread life of a particular tire is a random variable best described by a normal distribution with a mean of 60,000 miles and
1. 1 answer
2. asked by Madison
3. 1,495 views
Draw Bohr diagrams of the following:A) O and O2- I know how to draw the regular O bohr diagram. 2 electrons in the first shell,
1. 2 answers
2. asked by Anonymous
3. 1,467 views
the circle graph shows hamburger sales by various restaurants in a recent year. The total sales were $40 billion
1. 1 answer
2. asked by Anonymous
3. 1,317 views
the mean radius of the earth is 6,000,000 meters. Express this value in kilometers
1. 2 answers
2. asked by karla
3. 1,309 views
hello! i need help with homework sociology1) Which of the following research errors is less prone to being classified as fraud
1. 4 answers
2. asked by washington
3. 1,308 views
How many milliliters of 1.50 M \rm KOH solution are needed to provide 0.140 mol of \rm KOH
1. 2 answers
2. asked by betty
3. 1,286 views
a rock on earth has a mass of 250kg.what is its mass and weight on the moon?
1. 2 answers
2. asked by mel
3. 1,267 views
What weather would it be when:A. a cold front is moving into an area that has warm, moist air. B. A warm front is moving into an
1. 1 answer
2. asked by Bruno
3. 1,241 views
Consider a 1.50-g mixture of magnesium nitrate and magnesium chloride. After dissolving this mixture in water, 0.500M of silver
1. 1 answer
2. asked by John
3. 1,232 views
A wooden boxcar is moving along a straight railroad track at speed v1. A sniper fires a bullet (initial speed v2) at it from a
1. 2 answers
2. asked by J
3. 1,221 views
the width of a rectangle is fixed at 4cm. Determine in terms of an inequality those lengths for which the area will be less than
1. 1 answer
2. asked by Anonymous
3. 1,174 views
A roulette wheel has 18 red slots and 18 black slots numbered alternaetly with the numbers 1 through 36. Two green slots are
1. 1 answer
2. asked by Zach
3. 1,162 views
Going into the final exam which will count as two-thirds of the final grade, Mike has test scores of 86,80,84,and 90. What score
1. 1 answer
2. asked by Amy~
3. 1,115 views
i have to write a double spaced one page essay on the battle of passchendaele, but i don't know anything about it. help please?
1. 2 answers
2. asked by Rebecca
3. 1,109 views
Lately, tacos have become my favorite food. ?would have become my favorite food be the predicate?
1. 1 answer
2. asked by Anonymous
3. 1,102 views
what does the following parenting quotes mean;when you have brought up kids, there are memories you store directly in your tear
1. 1 answer
2. asked by Ted
3. 1,094 views
Suppose that you wish to fabricate a uniform wire out of 0.900 g of copper. Assume the wire has a resistance R = 0.500 , and all
1. 2 answers
2. asked by lynette
3. 1,071 views
I posted a question a while ago, I was hoping someone would get back to it? Its not a difficult question, I'm just unsure
1. 0 answers
2. asked by kat
3. 1,021 views
to finance her community college education. Sarah takes out a loan for $2200. After a year Sarah decides to pay off the interest
1. 2 answers
2. asked by Anonymous
3. 1,012 views
A hare is resting behind a rock, when he suddenly sees a tortoise cruising by at a constant 4.0m/s. The hare, literally at rest
1. 1 answer
2. asked by Kyle
3. 997 views
Assume that the weight loss for the first two months of a diet program has a uniform distribution over the interval 6 to 12
1. 1 answer
2. asked by luke
3. 990 views
Imagine that a group of factories and power plants lies 200 kilometers to the west of a forest where the trees are dying.
1. 2 answers
2. asked by sally
3. 949 views
Solid magnesium metal reacts with chlorine gas according to the following equation:Mg + Cl2 --> MgCl2 What mass of magnesium
1. 1 answer
2. asked by kellie
3. 940 views
heidi left a 12% tip of $2.28 on a meal.What was the cost of the meal before the tip. What was the total of the meal including
1. 1 answer
2. asked by Anonymous
3. 938 views
How many ml of 50% dextrose should be added to 1 L of 0.9% NaCl to make a 5% dextrose solution?
1. 1 answer
2. asked by Jessica
3. 915 views
An object is shot from the back of a truck moving at 40 km/h on a straight horizontal road. The launcher is aimed upward,
1. 1 answer
2. asked by Anonymous
3. 910 views
When the dried-up seed pod of a scotch broom plant bursts open, it shoots out a seed with an initial velocity of 2.64 m/s at an
1. 5 answers
2. asked by MozAngeles
3. 896 views
1£©sketch six points a b c d e and f, no three of which are collinear. name the lines defined by these points. how many lines
1. 2 answers
2. asked by Anonymous
3. 880 views
Perimeter is 60 ft. Find length and width if length is 8 ft longer than the width.Would it be 60=(8+l)+w I don't know where to
1. 3 answers
2. asked by Amy~
3. 877 views
a. How many atoms of hydrogen are in 25.0 g of ammonia (NH3)? Use the format 6.02E+23 for 6.02 x 1023b. How many atoms of
1. 2 answers
2. asked by kellie
3. 869 views
A car starts from rest and travels for 5.0 s with a uniform acceleration of +1.9 m/s2. The driver then applies the brakes,
1. 0 answers
2. asked by Anonymous
3. 826 views
A car at the Indianapolis-500 accelerates uniformly from the pit area, going from rest to 340 km/h in a semicircular arc with a
1. 1 answer
2. asked by ami
3. 824 views
is that true or false A rock is thrown straight up into the air At the peak its acceleration was zero
1. 2 answers
2. asked by ami
3. 809 views
Cathy owes six overdue movies to her local video store. Since each of Cathy’s overdue videos is a comedy, only comedies are
1. 12 answers
2. asked by Anonymous
3. 800 views
rewriting this, since it was typed wrong.In reaching her destination, a backpacker walks with an average velocity of 1.34 m/s,
1. 2 answers
2. asked by jo
3. 790 views
In a game, the Bulls score a total of 103 points and made three times as many field goals (2 points each) as free throws (1
1. 1 answer
2. asked by Amy~
3. 784 views
Pick the radioactive isotope in each set14/7 N OR 23/13 AL EXPLAIN A)its atomic number is greater than 83 B)it has fewer n than
1. 2 answers
2. asked by Ashley
3. 774 views
If the probability that an identified hurricane will make a direct hit on a certain stretch of beach is 0.10, what are the odds
1. 1 answer
2. asked by D
3. 747 views
How many one-to-one correspondences exist between two sets withA) 8 elements each? B) n-1 elements each?
1. 1 answer
2. asked by Stacey
3. 740 views
Would taking extra classes online help raise my GPA to a 2.8??(I'm a junior and i need it raised before the end of my senior
1. 2 answers
2. asked by Joe
3. 734 views
i did a lab and i need to find out the melting point for lauric acid and lauric acid with another substance. the teacher told us
1. 1 answer
2. asked by RiChy
3. 697 views
Find the total weight of the boxes of pecans in a shipment of 3 lb boxes of pecans and 2 lb boxes of walnuts. 1)there were 24
1. 0 answers
2. asked by Nene
3. 692 views
On what interval(s) is the curve y=(2e^x)-(e^(-3x)) concave downward?
1. 1 answer
2. asked by Joe
3. 685 views
Populations are frequently NOT in equilibrium due to selection or other evolutionary forces. Imagine a population of 100
1. 2 answers
2. asked by Emma
3. 682 views
Input, 0,1,2,3 output: 5,7,15,44 What is the Domain and What is the Range?How would I figure this out? Can anyone explain on how
1. 1 answer
2. asked by June
3. 674 views
A deep mountain valley is separated by two vertical cliffs. One cliff is 600 meters high and the other is 400 meters high. A
1. 1 answer
2. asked by CJ
3. 657 views
I have to do a research aper on any topic in American history. One part of history that I enjoy studying is when new inventions
1. 1 answer
2. asked by kelli
3. 655 views
for an oxygen atom,wich requires more energy,tha addition of two electron or the removal of one electron?explain why
1. 3 answers
2. asked by kabelo
3. 654 views
I have test procedure to evaluate the clarity of a sodium hydroxide (NaOH) sample that goes like this:Dissolve 10g of NaOH in
1. 1 answer
2. asked by anne
3. 637 views
Here's a physics problem. I don't care about the answer, i just want to know how to do it. don't have to be too detailed.. but i
1. 2 answers
2. asked by jo
3. 633 views
A CD has to rotate under the readout-laser with a constant linear velocity of 1.25 m/s. If the laser is at a position 3.2 cm
1. 0 answers
2. asked by Noelle
3. 631 views
So I'm trying to answer Leonardo da Vinci's statement on perspective. And the question is: How does our mnemonics trick FOPS
1. 0 answers
2. asked by Sharon
3. 631 views
In what ways are plasma membranes, cell walls, capsules, and sheaths only the outer limits of a cell and not the cell"s
1. 1 answer
2. asked by Bea
3. 629 views
A certain car is capable of accelerating at a rate of +0.90 m/s2. How long does it take for this car to go from a speed of 50
1. 1 answer
2. asked by Raequel
3. 609 views
In what ways are plasma membranes, cell walls, capsules, and sheaths only the outer limits of a cell and not the cell"s
1. 1 answer
2. asked by Bea
3. 609 views
describe a real life situation that can be represented by the following:A - (B U C) The U is a union symbol
1. 1 answer
2. asked by Brian
3. 601 views
Use the product rule to calculate the derivative.dh dx x = 4 , h (x) = (x^(-1/2) + 7x)(9 - x^-1) very weird.. i know how to do
1. 1 answer
2. asked by Jacob
3. 601 views
What weather would it be when:1. A thunderstorm is developing spinning winds at it's center 2. A low-pressure center is over the
1. 1 answer
2. asked by Dhaulagiri
3. 598 views
1£©sketch six points a b c d e and f, no three of which are collinear. name the lines defined by these points. how many lines
1. 0 answers
2. asked by 000
3. 598 views
Why? Write a 200- to 300-word response to the following questions based on “Superhero in the Cubicle” in the Electronic
1. 0 answers
2. asked by Anonymous
3. 594 views
In Florida, citrus trees grow an important crop. would the subject be Florida?
1. 6 answers
2. asked by Anonymous
3. 593 views
Perimeter of Triangle: the length of the sides of a triangle are 1/x, 2/x, and 2/3x meters. Find a rational expression for the
1. 2 answers
2. asked by Tommie
3. 586 views
how do i solve for this question?Mr. Smith wants to save for his son's college education. If he deposits $300 each month at 10%
1. 1 answer
2. asked by amanda
3. 584 views
which of the following will enhance the possibility that an incident report will not be discoverable during litigation?a)
1. 2 answers
2. asked by Anonymous
3. 584 views
I need to write an essay on if I think producing more money will help or hurt my local economy. The essay needs to clearly state
1. 2 answers
2. asked by Tom
3. 581 views
is that true a block on a flat surface. The normal force on the block and weight of the block make up a third law pair.
1. 1 answer
2. asked by ami
3. 575 views
Beyond those distant mountains lies an ancient American Indian village. would the subject be ancient American Indian Village?
1. 3 answers
2. asked by Anonymous
3. 573 views
A shell is launched at 140 m/s 56.0 degrees above the horizontal. When it has reached its highest point, it launches a
1. 2 answers
2. asked by .
3. 572 views
A point (labelled P in the figure) is attached to the rim of a disk of radius 0.2 m, which can turn around an axis through its
1. 0 answers
2. asked by Danielle
3. 572 views
dont let the past steal your present ¡£what does it mean£¿ it mean if you keep think back to the past you will never find
1. 0 answers
2. asked by 000
3. 571 views
Use the following function values to calculate H '(1).f (1) f '(1) g(1) g'(1) 3 -4 8 -1 H(x) = x/(g(x) f(x)) How would this
1. 1 answer
2. asked by kate
3. 564 views
A high-voltage transmission line with a resistance of 0.28 /km carries a current of 1030 A. The line is at a potential of 720 kV
1. 1 answer
2. asked by lynette
3. 563 views
Can someone help me please? I have 4 equations that need to be matched up to different graphs. I need to know how to work the
1. 2 answers
2. asked by barbHELP!!!!
3. 546 views
Is there a number "a" such that the limit as x approaches -2, f(x) approaches (3x^2+ax+a+3)/(x^2+x-2) exist?
1. 3 answers
2. asked by John
3. 546 views
How did buddism spread through Asia?
1. 1 answer
2. asked by Cay
3. 543 views
Pick the radioactive isotope in each set23/11 na or 20/9 f explain why a)its atomic number is greater than 83 b)it has fewer n
1. 1 answer
2. asked by Ashley
3. 542 views
is this right:black in french is 'noir' for masculin form and for feminin form it is 'noires' please correct me
1. 3 answers
2. asked by Anonymous
3. 540 views
n-3/4+n+57=5/14
1. 1 answer
2. asked by Anonymous
3. 534 views
Determine the radial acceleration of the car at this time.If the curve were flat, what would the coefficient of static friction
1. 1 answer
2. asked by ami
3. 534 views
I need to site from two essay one is the Famine,affluence,and morality(pete singer) and the other is Garrett hardin the
1. 8 answers
2. asked by sabrina
3. 528 views
Convert ET0twelve into a base ten.
1. 1 answer
2. asked by Geena
3. 527 views
canals affect which of the 5 themes of geography the most
1. 2 answers
2. asked by claudia
3. 526 views
5square root 27 plus 7 square root 3
1. 1 answer
2. asked by hilda
3. 526 views
how do you divide 1.49457 x 10^11 by 3.00 x 10^8? thanks for the help
1. 1 answer
2. asked by kelly
3. 524 views

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