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2011
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Questions Asked on July 19, 2011

Calculate the heat of formationof benzene if the heat of combustion of benzene is 3260 kj/mol, given the following enthalpies of
1. 1 answer
2. asked by priya
3. 1,266 views
I needed to change my thesis statement(last sentence). It was too long. Please review.Imagine being 6’3” in the eighth grade
1. 2 answers
2. asked by lizzie
3. 541 views
A 0.100g sample of a compound containing C, H, and O is burned oxygen producing 0.1783 g of CO2 and 0.0734 g of H2O. Determine
1. 1 answer
2. asked by San
3. 3,837 views
How many grams of PbCO3 will dissolve in 1.00L of 1.00M H+ is added to 5.00g of PbCO3??PbCO3(s) + 2H+ (aq) -> Pb2+ (aq) + H2O
1. 1 answer
2. asked by San
3. 980 views
What is a group of people at a dance with letters bssmyale
1. 2 answers
2. asked by andrea
3. 404 views
What would a titration curve look like for 25 mL of 0.400 M NH3 (aq) with 0.200 M HCl (aq)-find initial pH -find 1/2 equivalence
1. 1 answer
2. asked by Sharon
3. 974 views
equilibrium CO(g)+2H2(g)<->CH3OH(g)calculate these concentrations:CO(g) in an equilibrium mixture containing 0.933mol/L H2 and
1. 1 answer
2. asked by rocky
3. 805 views
Why do I deserve this scholarship? 250 words or less. Any advice on the paragraph itself or on grammar is greatly appreciated.Th
1. 0 answers
2. asked by Angelina
3. 1,211 views
for the chemical reaction A+B= C+D, the following experimental data were taken to determine the ratelaw equation at 300K.
1. 1 answer
2. asked by priya
3. 530 views
What is the projected population over a period of 340 years in a region which begins with three couples?
1. 2 answers
2. asked by andrew
3. 454 views
Maximize z = 16x + 8y subject to:2x + y ≤ 30 x + 2y ≤ 24 x ≥ 0 y ≥ 0 Graph the feasibility region. Identify all
1. 1 answer
2. asked by ANONIMOUS
3. 726 views
A manufacturer has a maximum of 240, 360, and 180 kilograms of wood, plastic and steel available. The company produces two
1. 1 answer
2. asked by ANONIMOUS
3. 611 views
Identify one environmental factor that causes ill health &disasters in our community
1. 3 answers
2. asked by Identify one environmental factor that causes ill health & disasters in our community
3. 358 views
find the following product: 5x^2y(-4x^5y^4)
1. 1 answer
2. asked by shay
3. 363 views
A space shuttle orbits at an altitude of approximately 200km above the surface of the Earth. If the radius of the Earth itself
1. 1 answer
2. asked by josh
3. 625 views
A centrifuge is a device in which small container of material is rotated at a high speed on a circular path. Such a device is a
1. 1 answer
2. asked by Kelli
3. 612 views
Short answer. find the following product. -7z(-8z^3+3z^2+8)
1. 1 answer
2. asked by shay
3. 309 views
Short answer. find the following product.(x+2)^2
1. 3 answers
2. asked by shay
3. 392 views
Short answer. find the following product.(y^2-6y+8)(y+8)
1. 2 answers
2. asked by shay
3. 371 views
Pelicans tuck their wings and free-fall straight down when diving for fish. Suppose a pelican starts its dive from a height of
1. 1 answer
2. asked by victor
3. 3,187 views
will the following solutions be acidic, neutral, or basic? Write the net ionic equation for any reaction that takes place.NH4Cl,
1. 3 answers
2. asked by chelsea
3. 2,835 views
Why would it be helpful if everyone learned something about childhood development?
1. 1 answer
2. asked by Sharon
3. 382 views
Deposits of $1,000, $1,100 and $680 were made into a savings account, the first two years ago, the second 18 months ago, the
1. 1 answer
2. asked by Anonymous*
3. 1,019 views
A deposit of $2,000 earns interest at a rate of 14% compounded quarterly. After two and a half years the interest rate changes
1. 1 answer
2. asked by Anonymous*
3. 456 views
Name two institutions/community organisation that are involved in supporting or giving reddress to this disaster(pollution)
1. 1 answer
2. asked by Tlhologelo
3. 394 views
30 basketballs (15 Spalding, 10 Wilson, and 5 other brand-name balls) are on a basketball court. Barry Wood closes his eyes and
1. 2 answers
2. asked by Jen
3. 1,220 views
In the United States, more male babies are born than female. In 2004, 2,104,661 males were born and 2,007,391 females were born.
1. 1 answer
2. asked by Jen
3. 578 views
4. Explore two roles that can be acquired during early and middle adulthood, such as through parenthood, romantic relationships,
1. 1 answer
2. asked by toni
3. 400 views
If $690 is invested in an account that earns 20.75%, compounded annually, what will the account balance be after 25 years?
1. 1 answer
2. asked by Anonymous
3. 693 views
find the exact value of sin 11pi/12 using the sum or difference formula.
1. 2 answers
2. asked by Josh
3. 4,159 views
A stone falls from rest for 8.0 second. a.)Calculate the stones velocity after 8.o second
1. 1 answer
2. asked by Rhea Mae
3. 517 views
A ball is thrown straight up that it reaches a max height of 30 meter. How long did it take the ball to go up? How fast was it
1. 1 answer
2. asked by Rhea Mae
3. 477 views
A football player is attempting a field goal. The angle formed by the player's position on the field and the line of sight to
1. 3 answers
2. asked by Kate
3. 1,403 views
HiMy assignment is to talk about a documentary that doesn't exist. We had to pretend to create one and one of the things we need
1. 1 answer
2. asked by Em
3. 531 views
The matching law practice questionLever A: 1 food pellet on a VI 48s schedule Lever B: 1 food pellet on a VI 30s schedule
1. 1 answer
2. asked by K.B
3. 398 views
blood helps maintain homeostasis by all of these mechanisms EXCEPT:a. eliminates waste products b. protects about foreign
1. 1 answer
2. asked by lulu78
3. 1,427 views
Write an equation of the line containing the specified point and perpendicular to the indicated line. (6,0), 5x+4y=1
1. 2 answers
2. asked by MOSS
3. 460 views
A ski resort is installing tows on its new ski runs. The baby hill has a vertical height of 500.0 m and is inclined at 42o.
1. 3 answers
2. asked by Kate
3. 583 views
solve the following equation for zx=1/25(22z-9w)
1. 2 answers
2. asked by MOSS
3. 817 views
using a set builer notation12-8(3x-5)>-7x+29
1. 1 answer
2. asked by MOSS
3. 358 views
1/2x-6=5
1. 1 answer
2. asked by andre
3. 284 views
1/2x-6=5
1. 1 answer
2. asked by andre
3. 291 views
In the reaction of sodium metal with oxygen gas, the formula of the product will be ______________.Periodic Table
1. 1 answer
2. asked by jon
3. 436 views
Please check my work.Correctly identifying the part of speech of each word in the sentences. Example: The boy hit the ball The
1. 4 answers
2. asked by Pryia
3. 733 views
a stundent watches waves in the ocean and notices that 2 waves strike the shore every second what is the frequency of that wave
1. 1 answer
2. asked by morgan
3. 467 views
static friciton is greater than sliding friction prove
1. 1 answer
2. asked by jeffrey
3. 379 views
What are some examples of real resistors used in circuits?
1. 1 answer
2. asked by Tina
3. 310 views
find the slope and y-intercept of the line y=-8/11x-5
1. 1 answer
2. asked by MOSS
3. 443 views
which of the following was an effect of militarism in europe in the late 1800s? nations made political and military alliances.
1. 0 answers
2. asked by karen
3. 793 views
given the linear equation y=7/6x+1, find the y-corrdinates of the points (-6,),(0,)and (6,). plot those points and graph the
1. 2 answers
2. asked by MOSS
3. 1,072 views
Five boxes, each having weigh 100N, are stacked up. The bottom box is the fith from the top. What is the magnitude of the normal
1. 1 answer
2. asked by Mike
3. 825 views
if m(<4)=3x-8 and m(<2)=2x+9, what are the measures of angles 1,2,3,4 ?I am having difficulty understanding this problem
1. 0 answers
2. asked by marta
3. 458 views
a point on one bank he finds the angle of elevation of the top of a tree on the other bank to be 60 degress. from his initial
1. 1 answer
2. asked by alex
3. 456 views
a landing airplane, moving in a straight line , passes over two points (p and q) which are 300 feet apart. when the airplane is
1. 0 answers
2. asked by alex
3. 542 views
1) Find three functions with unlimited domains and ranges.2) Find two functions with restricted domains. 3) Find two functions
1. 0 answers
2. asked by Kate
3. 484 views
following world war 2 what factors led to Japan's economic success? a)the adoption of eastern economic philosophy that
1. 1 answer
2. asked by karen
3. 467 views
name two institutions/community organiszations that are involved in supporting or giving redress to this disasters(teenage
1. 5 answers
2. asked by edgar
3. 573 views
Discuss the pros and cons of the following statement: "Egalitarian companies are more innovative".
1. 1 answer
2. asked by ashley
3. 494 views
in 10-15 lines critically discuss 10 ways in which the teenage pregnancy impact on the community.provide relevant sources to
1. 1 answer
2. asked by edgar
3. 858 views
provide recommendations on how to address teenage pregnancy
1. 5 answers
2. asked by edgar
3. 947 views
Which equation can be used to find the unknow ange measures?The diagram is a triganle. A= x+30, B= 3x, and C = x-15 A 5x+15=90 B
1. 1 answer
2. asked by Haley
3. 607 views
attempts at suicide are more common in girls or is it a result of generativity?
1. 1 answer
2. asked by michelle
3. 311 views
The Greek base HELI- means?
1. 2 answers
2. asked by Erica
3. 604 views
The EEOC: a)can sue on behalf of itself or on the behalf of a discirmination claimantb)does not have the power to sue on its own
1. 1 answer
2. asked by vedrana
3. 928 views
30 basketballs (15 Spalding, 10 Wilson, and 5 other brand-name balls) are on a basketball court. Barry Wood closes his eyes and
1. 1 answer
2. asked by Jen
3. 391 views
Is my answer correct.Q. How many megabytes of memory would be required to store an uncompressed 2-minute video file which is
1. 1 answer
2. asked by Sub
3. 436 views
Complete the ordered pair for the equation y=-10x+18 I have one of the ordered numbers given to me by my instructor, I have to
1. 1 answer
2. asked by Catherine
3. 869 views
Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives at least a B.
1. 1 answer
2. asked by Jen
3. 367 views
The theoretical probability of undesirable side effects resulting from taking Grebex is 2 in 19. If 380 people take Grebex to
1. 1 answer
2. asked by Jen
3. 384 views
One card is selected at random from a deck of cards. Determine the probability that the card is a black heart.
1. 1 answer
2. asked by Jen
3. 1,961 views
The ditto is light so I can't make out some of the functions to evaluate the expression. Can't make out function befor () and
1. 2 answers
2. asked by Deja
3. 766 views
the space shuttle orbits at an altitude of approximately 200 km above the surface of the earth. If the radius of the earth
1. 2 answers
2. asked by king
3. 909 views
if theta = 45, the value of cosec ^ 2 theta is ?
1. 1 answer
2. asked by chinnu
3. 407 views
The odds against Lounging Larry winning the horse race are 5:9. Determine the probability that Lounging Larry wins the horse
1. 1 answer
2. asked by Jen
3. 1,188 views
XComplete the table of values for the equation 8x+2y=80xy 0? ?0 2? that is what I got so far, please help me get the rest
1. 1 answer
2. asked by Catherine
3. 299 views
A 8 V flashlight battery has an internal resistance of 1.7 Ω when new, and 8 Ω when old. Imagine this is a resistor in series
1. 1 answer
2. asked by Naina
3. 668 views
Plot and connect the given points in order and determine the area of the resulting figure.(-4,2),(-2,2),(-2,4),(1,4),(1,3),(3,3)
1. 1 answer
2. asked by Deja
3. 480 views
Benzene has a heat of vaporization of 30.72 kj/mol and a normal boiling point of 80.1 degrees celsius. At what temperature does
1. 6 answers
2. asked by Anonymous
3. 1,928 views
Are the benefits of free trade worth the losses for some?
1. 3 answers
2. asked by Emily
3. 347 views
solve by factoring2a² - 3a = -5
1. 3 answers
2. asked by Lisa
3. 1,705 views
Solve -3/8h=9. Show work.A. -24 B. -3.375 C. 9.375 D. 72
1. 1 answer
2. asked by Deja
3. 1,077 views
Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person
1. 2 answers
2. asked by Faith
3. 1,155 views
Is f(x) = 16 - 14x - 10x^2 - 19x^3 + 18x^4 a polynomial?
1. 1 answer
2. asked by Anonymous
3. 478 views
What is the purpose of the process component of the LAMP model?a) To make the insights gained as a result of costing employee
1. 1 answer
2. asked by vedrana
3. 1,080 views
differentiate y=-4x^2cos x. i need to know the calculation work. (ans: 4x^2sinx - 8xcosx)
1. 1 answer
2. asked by elis
3. 356 views
How calculate concentration by using molecular weight.
1. 1 answer
2. asked by Adam
3. 332 views
Rayann bought 4 roses and 3 daisies for $21.53. Jason bought 3 roses and 2 daisies and paid $15.45. What would it cost for one
1. 1 answer
2. asked by Deja
3. 464 views
equilibrium constant for;so3 <----> so2 + 1/2o2 is found to be 0.471M^1/2 @ 600deg C after a quantity of sulfur trioxide is
1. 4 answers
2. asked by Maya
3. 557 views
555 mL sample of nitrous oxide at 25 degree celsius is heated to 50 degrees celsius. If the pressure remains constant, what is
1. 2 answers
2. asked by Anonymous
3. 958 views
I need help on a problem that i asked about 3 hrs ago..please help!!
1. 0 answers
2. asked by king
3. 399 views
Good afternoon tutors..I need help on a few problems.Im really stuck..1) the space shuttle orbits at an altitude of
1. 1 answer
2. asked by 45843
3. 544 views
what were some tensions over slavery in the 1840
1. 0 answers
2. asked by Anonymous
3. 369 views
ok i posted it twice and no one has yet to help me about my physics
1. 2 answers
2. asked by 45843
3. 284 views
A cost function is given by: A'(x)= 2x^2/x^2-211/x^2.For what values is A(x) increasing and decreasing? Any help would be
1. 0 answers
2. asked by Carly
3. 355 views
the area of a rectangle is 425 square feet. if the perimeter is 84 feet, find the length and the width of the rectangle
1. 1 answer
2. asked by Lucia
3. 798 views
The rate constant for this first order reaction is 0.440s-1at 400 C.A to products How long(in seconds) would it take for the
1. 1 answer
2. asked by Josh
3. 421 views
The rate constant for this first order reaction is 0.0470s-1 at 400 C.A to products After how many secs will 11.0% of the
1. 1 answer
2. asked by Josh
3. 605 views
a marble is launched off of a 1.3m high horizontal table with a velocity of 7.2m/sec how far away from the table will the marble
1. 0 answers
2. asked by 45843
3. 481 views
A satellites are placed in a circular orbit that is 2.44 × 107 m above the surface of the earth. What is the magnitude of the
1. 1 answer
2. asked by AMD
3. 598 views
Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives at least a B.
1. 2 answers
2. asked by Jen
3. 430 views

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