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Questions Asked on June 21, 2013

A saturated solution of barium chloride at 30 degrees celcius contains 150g of water. How much additional barium chloride can be
1. 2 answers
2. asked by Sumaiyah
3. 4,963 views
Anne wants to tie a support line from the top of a 50 foot radio tower to an anchor spot 30 feet from the tower’s base.
1. 1 answer
2. asked by bob
3. 4,379 views
Calculate the equilibrium constant for the following reaction at room temperature, 25 ∘C:N2(g)+O2(g)→2NO(g)
1. 7 answers
2. asked by dave
3. 3,263 views
What is the complete ionic equation for NaOH(aq) + Fe(NO3)3(aq)?I'm putting this on webassign, but it's telling me "One or more
1. 4 answers
2. asked by Ashley
3. 2,825 views
A model rocket is launched vertically upward so that its height (measured in feet) t sec after launch is given by the following.
1. 3 answers
2. asked by Talbert
3. 2,791 views
If the absolute temperature of a gas is doubled, what happens to the root-mean-square speed of the molecules?
1. 2 answers
2. asked by Matt
3. 2,494 views
O2 effuses at a rate that is _____ times that of Xe under the same conditions.rate 02/rate x2 = ?
1. 1 answer
2. asked by Annie
3. 2,380 views
i am a number greater than 70000 but less than 90000. My ten digit is the same as my ones digit. My ten digit is the same as my
1. 1 answer
2. asked by ramil
3. 1,662 views
Wha volum of steam is produced when log of propyrie is burnt in excess oxygen at s.t.p?
1. 4 answers
2. asked by Samuel
3. 1,654 views
A commercial refrigerator unit accidentally releases 12.5 L of ammonia gas at SATP. Determine the mass and number of molecules
1. 4 answers
2. asked by Kristen
3. 1,563 views
2CH3CH2CH2OH(l)+9O2(g)→6CO2(g)+8H2O(g)I have to find the delta G delta G of CH3CH2CH2OH(l)=−360.5 KJ/Mol delta G of O2(g)=0
1. 4 answers
2. asked by dave
3. 1,560 views
Reaction of hydrazine with chlorate ionsN2H4(g) + ClO3-(aq) → NO(g) + Cl-(aq) Balanced: 3N2H4(g) + 4ClO3-(aq) → 6NO(g) +
1. 2 answers
2. asked by Sara
3. 1,366 views
A rope exerts a constant horizontal force of 203N pulling a 68-kg crate across the floor. The velocity of the crate is observed
1. 2 answers
2. asked by Tim
3. 1,351 views
A 230.-mL sample of a 0.280 M CaCl2 solution is left on a hot plate overnight; the following morning, the solution is 1.10 M.
1. 1 answer
2. asked by Ashley
3. 1,344 views
If a teacher wants to test her belief that more than 5 students in college classes typically receive A as a grade, she'll
1. 2 answers
2. asked by Rald
3. 1,324 views
Explain why it would cost Rafael Nadal or Venus Williams more to leave the professional tennis tour and open a tennis shop than
1. 2 answers
2. asked by air
3. 1,291 views
. A doctor spent two weeks doing charity medical work in Mexico. In calculating her taxable income for the year, her accountant
1. 0 answers
2. asked by air
3. 1,269 views
60.0 grams of Th-210 with a half life of 50,000 years is allowed to decay for 250,000 years. How much of the original quantity
1. 1 answer
2. asked by c
3. 1,188 views
Describe three important functions of the self. Give examples of each.
1. 1 answer
2. asked by Jay
3. 1,179 views
Cypress River Landscape Supply is a large wholesale supplier of landscaping materials in Georgia. Cypress River’s sales vary
1. 0 answers
2. asked by air
3. 1,164 views
Donnie was on the verge of experiencing road rage. The teenagers in front of him were reckless and disrespectful. Suddenly he
1. 2 answers
2. asked by Angela
3. 1,094 views
1.Ruth has 240 feet of fencing available to enclose a rectangular field. Express the area A of the rectangular field as a
1. 1 answer
2. asked by tiffany
3. 1,073 views
A normal distribution has a standard deviation equal to 23. What is the mean of this normal distribution if the probability of
1. 1 answer
2. asked by Paisley
3. 1,071 views
Using optimization theory, analyze the following quotations:a. “The optimal number of traffic deaths in the United States is
1. 2 answers
2. asked by air
3. 1,055 views
if the partial pressure of the diatomic gas is .300 atm, what is the total pressure?6 blue dots 5 orange dots 3 green dots
1. 1 answer
2. asked by Annie
3. 1,042 views
I'm supposed to graph y= 4+2sin (pi/6 t -pi/5)i have the vertical shift d=4 amplitude 2 level line y=4 crest line y=6 trough
1. 2 answers
2. asked by Abi
3. 1,034 views
Can someone please help me on this question!Research subjects that are divided up based on gender, age, etc. to be compared to
1. 1 answer
2. asked by mysterychicken
3. 991 views
A lorry has a mass of 5640kg and accelerates uniformly from rest to reach a velocity of 100km/h in 10s. Determine the
1. 1 answer
2. asked by Jordan
3. 976 views
How do you figure out the value of a stock with a $2.50 dividend just paid and an 8% required return with 0% growth
1. 0 answers
2. asked by Denise
3. 951 views
A capacitor is constructed from two conducting with a plate separation of d. The voltage between the plates is 31.2 volts and
1. 1 answer
2. asked by ALex
3. 946 views
Varsity Press, a publisher of college textbooks, received a $70,000 promissory note at 12% ordinary interest for 60 days from
1. 0 answers
2. asked by Trish
3. 916 views
Suppose that a hypothesis test is to be carried out by using á = 0.05. What is the probability of committing a type I error?
1. 0 answers
2. asked by Sue 8
3. 878 views
Multiply and simplify.(cos x - sin x)^2
1. 1 answer
2. asked by tony
3. 859 views
Balance each of the following skeletal equations by using oxidation and reduction half reactions. All the reactions take place
1. 2 answers
2. asked by Sara
3. 857 views
(x+3)(x+6)(x-7)Multiply the binomial
1. 1 answer
2. asked by mcgraw
3. 820 views
A q = +3.00 mC test charge is placed inside a constant uniform electric field created in a parallel plate capacitor connected to
1. 1 answer
2. asked by ALex
3. 775 views
Fortune magazine reported that SkyWest, an independent regional airline, negotiated a financial arrangement with Delta and
1. 0 answers
2. asked by air
3. 761 views
A saturated solution of barium chloride at 30 degrees celcius contains 150g of water. How much additional barium chloride can be
1. 1 answer
2. asked by Sumaiyah
3. 730 views
What are the relevant and irrelevant costs?Two partners who own Progressive Business Solutions, which currently operates out of
1. 1 answer
2. asked by air
3. 722 views
An article in the Wall Street Journal discusses a trend among some large US Corporation to base the compensation of outside
1. 0 answers
2. asked by air
3. 716 views
A 8.90-L container holds a mixture of two gases at 45 C. The partial pressures of gas A and gas B, respectively, are .294 atm
1. 1 answer
2. asked by Annie
3. 692 views
Frenda et al. (2013, p. 285) stated "first, because Slate gathered little information about its participants other than
1. 4 answers
2. asked by pleaseanswer
3. 690 views
the freezing point of blood serum is about -0.56 deg C. What is the osmotic pressure at 37 deg C?
1. 2 answers
2. asked by Caselyn
3. 672 views
Consider the given curves to do the following.64 y = x^3, y = 0, x = 4 Use the method of cylindrical shells to find the volume V
1. 1 answer
2. asked by Biff
3. 670 views
Political factionalism in the U.S. during the 19th century was fueled by the emergence of a unique American culture and the
1. 1 answer
2. asked by Cassandra
3. 663 views
The image of the public library is constantly changing, and their online services continue to grow. Usage of the library's home
1. 0 answers
2. asked by Sue 8
3. 662 views
Consider this molecular-level representation of a gas.5 orange 6 green---> 3 pairs 6 blue If the partial pressure of a diatomic
1. 2 answers
2. asked by Sarah
3. 658 views
1. Rollo says that the standard of behavior required in specific situations that arise in medical office is referred to as
1. 3 answers
2. asked by Kim
3. 656 views
Write the expression as the sine, cosine, or tangent of a double angle. Then find the exact value of the expression.2tan 2pi/3 /
1. 1 answer
2. asked by tony
3. 656 views
An article in The Wall Street Journal reported that large hotel chains, such as Marriott, are tending to reduce the number of
1. 0 answers
2. asked by air
3. 651 views
Overtime, his work grew dark and moody. He began to paint angry scenes in thick, dark colors. Art historians have long debated
1. 1 answer
2. asked by cici
3. 637 views
A rope exerts a constant horizontal force of 203N pulling a 68-kg crate across the floor. The velocity of the crate is observed
1. 1 answer
2. asked by Tim
3. 632 views
A saturated solution of barium chloride at 30 degrees celcius contains 150g of water. How much additional barium chloride can be
1. 0 answers
2. asked by Sumaiyah
3. 622 views
Consider the approximately normal population of heights of male college students with mean ì = 69 inches and standard deviation
1. 2 answers
2. asked by Sue7
3. 622 views
Jane uses a jar to save her money. She saves $10 from her weekly allowance in the 1st week, $12 in the 2nd week, $14 in the 3rd
1. 1 answer
2. asked by terrell
3. 618 views
Use the fundamental identities to simplify the expression.cos^2θ/sin^2θ+cscθsinθ I got tan^2theta
1. 1 answer
2. asked by tony
3. 609 views
A 0.1052 g sample of copper metal is dissolved in 55 mL of concentrated HNO3 to form Cu2+ ions and then water is added to make a
1. 1 answer
2. asked by Ashley
3. 602 views
The amount of fill (weight of contents) put into a glass jar of spaghetti sauce is normally distributed with mean ì = 843 grams
1. 1 answer
2. asked by Sue7
3. 591 views
1)nitrogen atom has atomic no 7 and mass no 14.hydrogen atom has atomic no 1 and mass no 1.what is no of protons and neutrons of
1. 2 answers
2. asked by vishal
3. 588 views
What mass of silver chloride can be prepared by the reaction of 160.0 mL of 0.26 M silver nitrate with 150.0 mL of 0.24 M
1. 2 answers
2. asked by Ashley
3. 586 views
A 0.1052 g sample of copper metal is dissolved in 55 mL of concentrated HNO3 to form Cu2+ ions and then water is added to make a
1. 1 answer
2. asked by Ashley
3. 585 views
Find the molality, mole fraction, and percent by mass of a solution prepared with 500 grams of C12h22O11 in 2000 grams of H20
1. 1 answer
2. asked by c
3. 584 views
Using the reaction and the E∘ given below2Co^3+(aq)+2Cl^−(aq)→2Co^2+(aq)+Cl2(g) E∘=0.46 V what is the cell potential at
1. 2 answers
2. asked by Aria
3. 584 views
Consider the following system of equations.y=2x-2 y-2x=9 What can you conclude about the system of equations? a. The system of
1. 1 answer
2. asked by Queta
3. 582 views
Either my online portal hates me, or I don't understand how to balance properly.QUESTION Balance reaction of arsenic(III)
1. 1 answer
2. asked by Sara
3. 563 views
I can't find the answer of A 0.1052 g sample of copper metal is dissolved in 55 mL of concentrated HNO3 to form Cu2+ ions and
1. 2 answers
2. asked by Ashley
3. 562 views
You are the accountant for Suite Dreams, a retail furniture store. Recently, an order of sofas and chairs was received from the
1. 0 answers
2. asked by Trish
3. 555 views
a skaterboarder is moving 5.25 m/s when he starts to roll up a frictionless hill. how much higher is he when he comes to a stop?
1. 1 answer
2. asked by maria
3. 549 views
The real numbers x and y satisfy the nonlinear system of equations2x^2−6xy+2y^2+43x+43y=174 x^2+y^2+5x+5y=30. Find the largest
1. 1 answer
2. asked by anonymous
3. 543 views
a note of maximum four pages on safer construction practises
1. 1 answer
2. asked by priyanshu
3. 538 views
Alicia deposited $2000 into saving. The bank pays 6% ordinary interest. How many years will it take for the $2000 to reach
1. 1 answer
2. asked by lost
3. 538 views
identify the solution (s) of the system of equations, if any.-3x-4y=2 8y=-6x-4 a. infinitely many solutions b. (-16/9, 5/6)
1. 2 answers
2. asked by Queta
3. 537 views
For the decomposition of aluminum oxide at 35 celsius and atm, what volume of oxygen gas will be produced if 2.77 grams of the
1. 1 answer
2. asked by c
3. 535 views
fidn all values of tehta in [0, 360) that satisfy the equation.√(3)tan(θ/2)=-1 I have four choices 300, 330, 150 , 120 and i
1. 4 answers
2. asked by tony
3. 535 views
What mass of silver chloride can be prepared by the reaction of 160.0 mL of 0.26 M silver nitrate with 150.0 mL of 0.24 M
1. 0 answers
2. asked by Ashley
3. 531 views
Please help me what is the ionic equation for AgNO3(aq) + Na3PO4(aq)?Not sure what I'm doing wrong here is what I have so far
1. 2 answers
2. asked by Ashley
3. 529 views
A sample of 145 values is randomly selected from a population with mean, ì, equal to 45 and standard deviation, ó, equal to
1. 0 answers
2. asked by Sue7
3. 521 views
A sequence of polynomials gk(x) is defined recursively as follows.g0(x)=x; gk+1(x)=gk(x^2+2x)−gk(x) Find the last three digits
1. 4 answers
2. asked by anonymous
3. 516 views
Consider the following. (Give your answers correct to four decimal places.)(a) Determine the level of confidence given the
1. 1 answer
2. asked by Sue 8
3. 511 views
What volume of 0.300 M Na3PO4 is required to precipitate all the lead(II) ions from 130.0 mL of 0.400 M Pb(NO3)2?
1. 3 answers
2. asked by Ashley
3. 509 views
A 0.1052 g sample of copper metal is dissolved in 55 mL of concentrated HNO3 to form Cu2+ ions and then water is added to make a
1. 1 answer
2. asked by Ashley
3. 502 views
Often in physics we won't be able to predict motion of a bunch of objects exactly and so we resort to statistical methods. An
1. 2 answers
2. asked by anonymous
3. 500 views
Provide five ways in which you critically discuss how life style /behaviour disease impact on the teenage
1. 1 answer
2. asked by Anonymous
3. 498 views
In polar coordinates,the graph r=sin(θ)/cos^2(θ) represents the function y=(a_n)*x^n+(a_(n−1))*x^(n−1)+…+a_0 in
1. 1 answer
2. asked by Crow
3. 498 views
The meaning of the word psychosomatic impliesA. feigned illness or injury. B. the influence of the mind on the body. C.
1. 3 answers
2. asked by Jen
3. 491 views
a tennis ball was held 4.5 ft above the surface of a tennis court and was thrown vertically downward with an initial velocity
1. 2 answers
2. asked by Jen
3. 489 views
For every prime p consider all polynomials f(x) with integer coefficients from 1 to p and degree at most p−1, such that for
1. 0 answers
2. asked by anonymous
3. 489 views
A lorry has a mass of 5640kg and accelerates uniformly from rest to reach a velocity of 100km/h in 10s. Determine the
1. 1 answer
2. asked by Jordan
3. 487 views
Choose the expression that is equivalent to the given expression.sin 6x tan 3x I got 2 sin^2 3x
1. 1 answer
2. asked by tony
3. 485 views
Identify the solution(s) of the system of equations, if any.-6x-2y=12 4y=-12x-24 a. no solution b. (0,-2) c.(-2,0) d.infinitely
1. 1 answer
2. asked by Queta
3. 484 views
Euromart Tile Company borrowed $40,000 on April 6 for 66 days. The rate was 14% using the ordinary interest rate method. On day
1. 0 answers
2. asked by lost
3. 476 views
slove the equation exactly over the interval [0, 2pi)sinx=1-2sin^2x
1. 1 answer
2. asked by tony
3. 463 views
If a plane is flying 40 mph with a tailwind of 6 mph, how fast is the plane going.
1. 1 answer
2. asked by April
3. 462 views
A teacher who makes a genuine effort to understand and solve problems that parents may have in a situation, but still finds no
1. 2 answers
2. asked by farida
3. 461 views
A trucking firm delivers appliances for a large retail operation. The packages (or crates) have a mean weight of 306 lb. and a
1. 0 answers
2. asked by Sue7
3. 457 views
The second Greek root of the word psychosomatic meansA. fluid. B. body. C. mental D. disease. Answer is b
1. 3 answers
2. asked by Jen
3. 454 views
ali spends 2/3 of his money in a shop. he spends 1/4 of the remainder in another shop. what fraction of the original sum will be
1. 1 answer
2. asked by frodo
3. 445 views
How can an athlete manipulate his or her endocrine system function to enhance athletic performance? What might be some risks of
1. 1 answer
2. asked by rosita
3. 445 views
Let z be a complex number such thatz=2(cos3∘+icos87∘). Then z^6 can be expressed as r(sinα∘+icosα∘), where r is a real
1. 3 answers
2. asked by Crow
3. 442 views
What volume of 0.300 M Na3PO4 is required to precipitate all the lead(II) ions from 130.0 mL of 0.400 M Pb(NO3)2?Can you please
1. 3 answers
2. asked by Ashley
3. 439 views

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