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Questions Asked on October 13, 2012

net ionic equation. Aqueous acetic acid (HC2H3O2) is neutralized by aqueous barium hydroxide.i got H^+(g) + OH^-(g) --> H_2O(l)
1. 2 answers
2. asked by rebekah
3. 10,108 views
If a force gives a 2-kg object an acceleration of 1.6 m/s2, what acceleration does this same force give to an 8-kg object?
1. 2 answers
2. asked by maria
3. 4,354 views
What is the mass of 4.80 moles of MgCl2?My answer is: Mg=24.3 g/moleCl2=35.5g/mole*2=71g/mole so, Mg 24.3+ Cl2 71= 95.3g/mole
1. 2 answers
2. asked by chemdummy
3. 3,409 views
A dam is used to block the passage of a river and to generate electricity. Approximately 58.4 x 103 kg of water falls each
1. 1 answer
2. asked by Monet Nguyen
3. 3,363 views
a farmer wishes to fence off a rectangular field with 1,000 feet of fencing.if the long side of the field is along a stream,
1. 2 answers
2. asked by lara
3. 3,080 views
an object is thrown upward from the top of a 80-foot building with a initial velocity of 65 feet per second. The height h of the
1. 1 answer
2. asked by Anonymous
3. 3,019 views
The excursion boat on the river takes 2½ hours to make the trip to a point 12 miles upstream and to return. If the rate at
1. 4 answers
2. asked by Casey
3. 2,577 views
Sally applies a total force of 71 N with a ropeto drag a wooden crate of mass 100 kg across a floor with a constant acceleration
1. 1 answer
2. asked by Jacob
3. 2,572 views
Bob, who has a mass of 60 , can throw a 800 rock with a speed of 26 . The distance through which his hand moves as he
1. 3 answers
2. asked by Bob
3. 2,290 views
lead has an atomic number of 82;iron has an atomic number of 26; and copper has an atomic number of 29.how do the charges of the
1. 1 answer
2. asked by tyneisha
3. 2,275 views
in an experiment, 2.50g of salicylic acid is reacted with 10.31g of methanol. the yield of methyl salicylate, C8H8O3, is 1.27g.
1. 3 answers
2. asked by robert
3. 2,068 views
A ball acquires a horizontal speed of 12m/sec when a force is applied for a distance of .50m. If the ball has a mass of 1.0kg
1. 1 answer
2. asked by Brad
3. 2,035 views
what is the balanced molecular formula and state for this equationMg+Cr(C2H3O2)3=
1. 1 answer
2. asked by Lornie
3. 1,914 views
an isosceles triangle is such that the vertical angle is four times the size of a base angle.what is the size of a base angle
1. 4 answers
2. asked by ja'afar
3. 1,834 views
A circular plate of uniform thickness has a diameter of 56cm.A circular portion of diameter 42cm is removed from one edge of the
1. 1 answer
2. asked by sony
3. 1,712 views
What is the mass (in grams) of 9.81 × 1024 molecules of methanol (CH3OH)?
1. 4 answers
2. asked by Anonymous
3. 1,709 views
A 0.50 kg block initially at rest on a frictionless horizontal surface is acted upon by a force of 8.0 N for a distance of 7.5
1. 2 answers
2. asked by Anonymous
3. 1,634 views
Aluminum metal is exposed to atmospheric oxygen, it is oxidized to form aluminum oxide. How much heat is released by the
1. 1 answer
2. asked by Diana
3. 1,613 views
The total amount of water in 2 containers is 35quarts. If 7 quarts gets poured from the container with less water into the
1. 2 answers
2. asked by Josie
3. 1,498 views
A government report looked at the amount borrowed for college by students who graduated in 2000 and had taken out student loans.
1. 1 answer
2. asked by karen
3. 1,442 views
How do you solve this equation;There are 128 7th graders at Mark's school, if there are 16 more girls than boys, how many 7th
1. 6 answers
2. asked by Bill
3. 1,414 views
A crystalline solid consists of atoms stacked up in a repeating lattice structure. The atoms of a crystal reside at the corners
1. 3 answers
2. asked by Ania
3. 1,413 views
Which will make you more wealthy, one mole of pennies (6.02e23 pennies) or one mole of gold atoms (6.02e23 atoms)?
1. 1 answer
2. asked by Candy
3. 1,332 views
calculate the angles of an isosceles triangle in which each base angle in four times the vertical angle
1. 3 answers
2. asked by umar
3. 1,287 views
You want to have $6 million in real dollars in an account when you retire in 40 years. The nominal return on your investment is
1. 0 answers
2. asked by nicky
3. 1,200 views
A machine gun of mass 10 kg fires 20g bullets at the rate of 10 bullets per second, with the speed of 500 m/s. What is the force
1. 1 answer
2. asked by lalitha
3. 1,195 views
if a reaction vessel contains 11.5g NH3, 12.0g O2, and 10.5g CH4, what is the maximum mass in grams of hydrogen cyanide that
1. 1 answer
2. asked by robert
3. 1,093 views
The fastest recorded pitch in Major League Baseball was thrown by Nolan Ryan in 1974. If this pitch were thrown horizontally,
1. 3 answers
2. asked by Michael
3. 1,084 views
find the equation of a line that is perpendicular to the line y=1/6x+7 and contains the point (-5,0)y= (Type your answer in
1. 1 answer
2. asked by ladybug
3. 1,056 views
The total length y is a linear function of the tail length x with great accuracy. The domain is the interval from 30mm to 200mm,
1. 1 answer
2. asked by Jack
3. 1,043 views
A 10 centimeters cubed sample of salt having a mass of 8 grams is added to 20 centimeters cubed of water having a mass of 15
1. 1 answer
2. asked by Ann
3. 1,025 views
A bicycle is turned upside down while its owner repairs a flat tire. A friend spins the other wheel and observes that drops of
1. 0 answers
2. asked by Tammy
3. 1,015 views
if 16.o ml HCL is needed to neutralize from a 2.25g sample of organic material, calculate the mass percentage of N in the sample
1. 1 answer
2. asked by allison
3. 1,001 views
A 74-kg fisherman in a 124-kg boat throws a package of mass m = 15 kg horizontally toward the right with a speed of vi = 4.4 m/s
1. 2 answers
2. asked by Kayla
3. 995 views
At constant temperature, a sample of 3.0L of Argon gas at 2.0 atm is compressed until the new pressure is 3.524 atm. What is the
1. 1 answer
2. asked by Stacy
3. 993 views
calculate the molarity of an acetic acid solution if 25.00mL of the solution required 35.25mL of 0.1200M NaOH for
1. 1 answer
2. asked by Anonymous
3. 929 views
define a variable and write an equality for each situationthe maximum speed allowed on main st is 25 miles per hour a trainer
1. 1 answer
2. asked by anonymous
3. 929 views
A bowl of 471 g of water is placed in a microwave oven that puts out 591 watts (J/s). How long would it take in seconds to
1. 3 answers
2. asked by Anonymous
3. 913 views
Linda has 7/8 yard of fabric. She used 2/3 of it to make a purse. How much fabric did she use?
1. 1 answer
2. asked by JD
3. 864 views
When a spacecraft travels from the Earth to the Moon, both the Earth and the Moon exert a gravitational force on the spacecraft.
1. 1 answer
2. asked by Sam
3. 850 views
how many moles of Nitrogen are in 80g of N2O?
1. 2 answers
2. asked by Eddie
3. 839 views
molecular weight is 284.5 g/mol what is the molecular formula.76.0% C, 12.8% H, 11,2%O.
1. 1 answer
2. asked by Lornie
3. 828 views
4(3) squareddo u times 4 by 3 and then square it or 1st square 3 then multiply the answer by 4
1. 2 answers
2. asked by anonymous
3. 826 views
A 345N load is suspended from a cable. What is the acceleration of the load if the tension in the cable is 275N£¿
1. 1 answer
2. asked by Richard
3. 821 views
What is the maximum mass of S8 that can be produced by combining 80.0 grams of each reactant?8SO2 + 16H2S -> 3S2 + 16H2O
1. 4 answers
2. asked by Afitz
3. 804 views
Find three brands of a grocery item that you purchase and figure the price per unit (i.e., per ounce or pound) for each brand.
1. 3 answers
2. asked by Anonymous
3. 789 views
Find the acceleration and tension in an Atwood's machine. Two different masses connected by a string over a pulley which is at
1. 1 answer
2. asked by jack
3. 772 views
Why might there be different kinds of thermometers for measuring temperature?
1. 1 answer
2. asked by ABC123
3. 755 views
When races are timed manually, timers start their watches when they see the smoke from the starting gun rather than when they
1. 1 answer
2. asked by AOA
3. 746 views
A test tube containing a mixture of compounds X, Y, and a small amount of Z weighs 25.4886 g. The tube is emptied into a beaker
1. 1 answer
2. asked by Sonia
3. 727 views
A block of mass M is projected up a frictionless inclined plane with a speed VO. The angle of incline is given as theta.a. How
1. 2 answers
2. asked by jack
3. 721 views
Why do we only see four peaks in the 1H NMR when we have five CH2 groups and 2 OH groups?Answer a. There should be more peaks,
1. 1 answer
2. asked by Jay
3. 717 views
A frictionless plane is 13.1 m long and inclined at 39.8 deg;. A sled starts at the bottom with an initial speed of 4.99 m/s up
1. 1 answer
2. asked by Elise Brown
3. 700 views
A young woman named Kathy Kool buys a sports car that can accelerate at the rate of 4.16 m/s2. She decides to test the car by
1. 1 answer
2. asked by Sonia
3. 691 views
hundert wasser
1. 1 answer
2. asked by nina
3. 679 views
What is the Antarctic Treaty System?
1. 2 answers
2. asked by rawr... im a dinosaur.... rawr
3. 676 views
A scuba diver dives 100 feet below the waters surface. Later she rises 78 feet. How far below the surface is the diver?
1. 2 answers
2. asked by Tyler
3. 669 views
u-2√2=3. please show work
1. 4 answers
2. asked by jasmin
3. 661 views
A football player throws a ball with a horizontal distance of 31.0 m so that the other player catches it at the exact height it
1. 1 answer
2. asked by Darrell
3. 648 views
Consider a deck of 52 cards with the following characteristics:13 red cards, numbered 1 through 13 13 blue cards, numbered 1
1. 0 answers
2. asked by Dina
3. 646 views
A company placed $1,000,000 in three different accounts. It placed part in short term notes paying 4.5% per year, twice as much
1. 1 answer
2. asked by Marilu
3. 637 views
u-2√u=3. what is u?
1. 1 answer
2. asked by Kyle
3. 630 views
You want to have $6 million in real dollars in an account when you retire in 40 years. The nominal return on your investment is
1. 0 answers
2. asked by nicky
3. 628 views
This is a projectile motion question.A ball with a mass of .4 kg, initially at rest is kicked directly toward a 3 meter fence
1. 1 answer
2. asked by Ethan
3. 624 views
which country does not have territories in the pacific?United States Chile New Zealand China Chile?
1. 1 answer
2. asked by rawr... im a dinosaur.... rawr
3. 624 views
At what point on the curvey = 6 + 2e^x − 3x is the tangent line parallel to the line 3x − y = 1?
1. 2 answers
2. asked by Anonymous
3. 622 views
Find the parabola with equationy = ax^2 + bxwhose tangent line at (2, 12) has the equation y = 14x − 16
1. 1 answer
2. asked by Anonymous
3. 591 views
A researcher wants to study the spending habits of customers of a local shopping mall. The mall manager claims that the average
1. 0 answers
2. asked by James
3. 578 views
what fraction of an original sample of a radioactive isotope remains after three half-lives have passed?1/8?
1. 1 answer
2. asked by jake
3. 566 views
Why do we only see four peaks in the 1H NMR when we have five CH2 groups and 2 OH groups?Answer a. There should be more peaks,
1. 2 answers
2. asked by Jay
3. 560 views
So I'm doing a project called Equality Matters. I decided to try and use my writing abilities to help me. Can you check this
1. 8 answers
2. asked by rawr... im a dinosaur.... rawr
3. 548 views
How is dividing a polynomial by a binomial similar to or different from the long division you learned in elementary school? Can
1. 1 answer
2. asked by Junkoping
3. 545 views
Explain how to measure the volume of a rock by water displacement?
1. 1 answer
2. asked by Ann
3. 544 views
Explain what is wrong with the following sentence and revise as needed to correct the problem: “I saw mountains of uncollected
1. 1 answer
2. asked by cathy
3. 536 views
Find the area of the triangle whose vertices are (2,3),(3,4),(-2,-4).
1. 1 answer
2. asked by vishal
3. 535 views
An object with a mass of 14kg lies on a frictionless incline. A rope attached to the mass runs parallel to the incline and is
1. 2 answers
2. asked by MOLLY
3. 534 views
blood cholesterol level of all men age 20-24 follows N(188,41) where the units for the men and standard deviation are in mg/dl.
1. 1 answer
2. asked by sam
3. 523 views
Question PartPoints Submissions Used An 8.61-kg block slides with an initial speed of 1.72 m/s down a ramp inclined at an angle
1. 1 answer
2. asked by Anonymous
3. 522 views
find the mid point of the line segment joining the points P1 and P2.P1 = (3,5) P2 = (-4,7)
1. 1 answer
2. asked by ladybug
3. 510 views
5. Identify which of the two sentences below contains a verb agreement error. Then, explain how to correct the problem.a. Among
1. 1 answer
2. asked by cathy
3. 508 views
What is considered a line of sight communication medium?
1. 1 answer
2. asked by Rane
3. 502 views
1) Mass m1 = 0.7 kg moves with constant velocity v1i = 2.0 m/s along the x-axis and collides with mass m2 = 1.8 kg, which moves
1. 0 answers
2. asked by Jim
3. 498 views
Select a city, town, or municipality and examinends trends in criminal activity over the last 3 yearse
1. 5 answers
2. asked by Kiera Harps
3. 490 views
In a tracer method the potassium isotope 42K is used for labelling. The half life of 42K is 12.5 hours. If No is original number
1. 2 answers
2. asked by Kyle
3. 486 views
Colin's back yard is 720ft.In his estimation, the fallen leaves that covered his backyard is 2/3 of his yard.(Answer:480ft
1. 1 answer
2. asked by Shiny
3. 480 views
Suppose P( A given B)= .6, P(at least one of the two events occurs)= .8, and P(exactly one of the two events occurs)=.6. Then
1. 0 answers
2. asked by Conor
3. 470 views
1) Mass m1 = 0.7 kg moves with constant velocity v1i = 2.0 m/s along the x-axis and collides with mass m2 = 1.8 kg, which moves
1. 0 answers
2. asked by Jim
3. 467 views
40 centimeters cubed of dry sand is added to a graduated cylinder containing water, the level of the liquid rose 15 centimeters
1. 1 answer
2. asked by Ann
3. 466 views
Could donuts be quantified in terms of mass instead of number? explain.?
1. 1 answer
2. asked by Anonymous
3. 463 views
i want a topic for investigatory project of biology...
1. 1 answer
2. asked by Snehal
3. 461 views
Q3. Select a company of your choice in a sector that you would like to work in. Imagine that you have to make a brief
1. 1 answer
2. asked by sadhana
3. 455 views
A molecule has a glycerol backbone. The branches off of the three carbons are as follows:o-co-(ch2)14 - ch3 o-co-(ch2)12 - ch3
1. 0 answers
2. asked by KnowsNothing
3. 450 views
What is the Cattle Kingdom?
1. 1 answer
2. asked by Laruen
3. 449 views
A sample of one liquid has a mass of 60 grams and a volume of 50 centimeters cubed; a sample of a second liquid has a mass of 30
1. 1 answer
2. asked by Ann
3. 437 views
What would be 3 good subpoints for this mainpoint National Championship Records/Bowl Records?
1. 7 answers
2. asked by Yesi
3. 434 views
Two identical balls are moving at the same speed of 3 m/s toward each other. With no external forces acting, what would be the
1. 0 answers
2. asked by Anonymous
3. 432 views
Let a be an integer, then there are integers X, Y such that aX+(a+1)Y=1.Find the smallest positive value of Y.
1. 1 answer
2. asked by Anonymous
3. 427 views
1/1024=42*0.5^(t/12.5)Solve for t. Please show work. Much appreciated!
1. 3 answers
2. asked by Kyle
3. 422 views
find the center (h,k) and radius r of the circle and then find the intercepts, if any.5x^2+30x+5y^2=0
1. 1 answer
2. asked by ladybug
3. 412 views
How was Opheila mistreated by male characters in Hamlet.
1. 1 answer
2. asked by Shelby
3. 411 views

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