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Questions Asked on June 3, 2013

A commercially available sample of sulphuric acid is 15% H2SO4 by mass (density=1.10g/ml) Calculate the molarity ,normality and
1. 10 answers
2. asked by riya
3. 16,705 views
In a geometric series, t1=12 and s3=372.what is the greatest possible value for t5?
1. 3 answers
2. asked by bob
3. 3,528 views
The probability that a randomly selected individual in a certain community has made an online purchase is 0.45. Suppose that a
1. 1 answer
2. asked by Sarah
3. 2,990 views
Suppose Tori has an unfair coin which lands on Tails with probability 0.28 when flipped. If she flips the coin 10 times, find
1. 3 answers
2. asked by Anonymous
3. 2,969 views
The probability that a student uses the Academic Resource Center on a regular basis is 0.26. In a group of 18 students, what is
1. 1 answer
2. asked by Sarah
3. 2,824 views
Evaluate this geometric series:7 + 14 + 28 + ... + 3584
1. 1 answer
2. asked by Anonymous
3. 2,188 views
What part of speech is the italicized word in the sentence below?What part of speech is the italicized word in the sentence
1. 2 answers
2. asked by christy
3. 2,020 views
1. On the interval [0, 2pi] what are the solutions to the equation sin3xcos2x =-cos3xsin2x + 1? pi/10 and pi/2? 2. What is the
1. 1 answer
2. asked by mysterychicken
3. 1,986 views
consider the equilibrium reaction: pbcro4(s) <--> pb^2+ (aq) +cro4^2- (aq). A saturated solution of lead chromate, pbcro4 has a
1. 1 answer
2. asked by Mad
3. 1,871 views
Combine the sentences by changing the italicized word group to an infinitive or infinitive phrase. Then write the complete
1. 3 answers
2. asked by samantha
3. 1,755 views
given the reaction: agcl(s) +2nh3 (aq) <--> ag (nh3)2 +(aq) + cl^- (aq). if more ammonia, nh3 is added to the system at
1. 1 answer
2. asked by Mad
3. 1,748 views
N2(g) + 3H2(g) → 2NH3(g)+ 22,000 cal equals how much ΔH
1. 2 answers
2. asked by Angelica
3. 1,724 views
According to science, the fastest speed possible for anything is the speed of light. The speed of light is about 186,000 miles
1. 1 answer
2. asked by pamela
3. 1,504 views
What is the largest amount of H2O in grams that can be formed when 7.30 g of H2 reacts with 7.30 g of O2, based on the balanced
1. 1 answer
2. asked by Anonymous
3. 1,494 views
You have 10.0 g each of Na, C, Pb, Cu and Ne. Which contains the smallest number of moles?
1. 1 answer
2. asked by Ron
3. 1,456 views
Find the largest positive integer x such that√(3620+322x−4x2) is a real number.
1. 3 answers
2. asked by keshav
3. 1,413 views
given the overall cell reaction Zn(s) + 2Ag(aq) --> Zn2+ (aq) + 2 Ag(aq) which will occur when the cell operates
1. 2 answers
2. asked by BUDDY
3. 1,413 views
The lower leg of a right triangle is 8 cm in length. Calculate the other two knowing that the sides of the triangle form an
1. 2 answers
2. asked by saraah
3. 1,307 views
What did President Roosevelt mean by a "square deal," and how did he try to achieve it?My answer: By a "square deal," President
1. 3 answers
2. asked by Anonymous
3. 1,269 views
Devon purchased tickets to an air show for 9 adults and 2 children. Thetotal cost was $252. The cost of a child's ticket was $6
1. 2 answers
2. asked by Anonymous
3. 1,252 views
In an elementary school, 25% of children wear glasses. Suppose that a random sample of 64 children is selected. Find the mean
1. 1 answer
2. asked by Sarah
3. 1,217 views
Circle the nouns that can be used with the adjectives on the right ,Development-environment-figures. (Recent)
1. 1 answer
2. asked by Maryam
3. 1,198 views
Individuals who have a certain gene have a 0.50 probability of contracting a certain disease. Suppose that 1,940 individuals
1. 2 answers
2. asked by Sarah
3. 1,181 views
A specific study found that the average number of doctor visits per year for people over 55 is 8 with a standard deviation of 2.
1. 1 answer
2. asked by Cameron
3. 1,181 views
A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.845 m/s encounters a rough horizontal surface of length scripted l
1. 1 answer
2. asked by Melissa
3. 1,174 views
A neon sign flashes every 4 seconds, another neon sign flashes every 6 seconds. If they flash together,how manyseconds later
1. 2 answers
2. asked by Jennifer
3. 1,118 views
Can I please get some help on these questions:1. How many solutions does the equation,2sin^2 2 θ = sin2θ have on the interval
1. 1 answer
2. asked by mysterychicken
3. 1,093 views
Circle the adjectives that can be used with the nouns on the right .1)upward 2)growing 3)recent (Problem) 1)steady 2)severe
1. 2 answers
2. asked by Maryam
3. 1,081 views
1. Find the exact value of 2tan pi/12 / 1-tan^2 pi/12root 3/3? 2. Given tanθ = -1/3 and with θ in quadrant IV, find the exact
1. 2 answers
2. asked by mysterychicken
3. 1,075 views
Tu amigo insiste en preguntarte de quiénes son las cosas. Tú le contestas de forma muy enfática.1.¿De quién es este
1. 3 answers
2. asked by Sally
3. 1,071 views
In an elementary school, 25% of children wear glasses. Suppose that a random sample of 64 children is selected. Find the mean
1. 1 answer
2. asked by Sarah
3. 1,019 views
A team of students hypothesize that the amount of alcohol produced in fermentation depends on the amount of sugar supplied to
1. 3 answers
2. asked by magda
3. 1,015 views
In an elementary school, 25% of children wear glasses. Suppose that a random sample of 64 children is selected. Find the mean
1. 1 answer
2. asked by Sarah
3. 1,014 views
Which of the following is true of the screenwriter’s role in making movies? (Points : 1)A film begins with a writer’s story
1. 1 answer
2. asked by Sue
3. 1,013 views
1. use the suitable product-to-sum formula to rewrite the following expression: sin(13x/2)sin(5x/2)2. Find value of
1. 1 answer
2. asked by mysterychicken
3. 972 views
Your samle is normally distributed with a mean age of 57. The standard deviation iin this sample is 5 years.The 2000 census
1. 2 answers
2. asked by statistics
3. 937 views
Quote:"There are two ways to be fooled:One is to believe what is not so;the other is to refuse to believe what is so"My
1. 5 answers
2. asked by Maya
3. 935 views
What were Roosevelt's achievements in the field of conservation?My answer: Roosevelt preserved more than 200 million acres of
1. 2 answers
2. asked by Anonymous
3. 934 views
Devon purchased tickets to an air show for 9 adults and 2 children. Thetotal cost was $252. The cost of a childʹs ticket was $6
1. 1 answer
2. asked by Anonymous
3. 926 views
All the 32 subsets for (x,y,z,u,v)
1. 1 answer
2. asked by Adrian ,
3. 903 views
A generator has a terminal voltage of 102Vwhen it delivers 10.3 A, and 92 V when it delivers 31.9 A. Calculate the emf. Answer
1. 1 answer
2. asked by Anonymous
3. 891 views
What are the two most popular personal retirement plans?A. Keogh account and Social Security B. Social Security and Roth IRA
1. 0 answers
2. asked by Anonymous
3. 883 views
calculate the kb of ammonia if the ph of .5M solution is 11.48
1. 1 answer
2. asked by Serge
3. 881 views
Professor Smith gives only a midterm exam and a final exam. The average is computed by taking 1/3 of the midterm exam score and
1. 1 answer
2. asked by Zay
3. 859 views
Air America has a policy of booking as many as 15 persons on an airplane that can seat only 14. (Past studies have revealed that
1. 2 answers
2. asked by Sarah
3. 850 views
In the movie Spiderman 2, there's a famous minute long scene where Spiderman stops a train. If the initial speed of a five car
1. 5 answers
2. asked by help
3. 844 views
In what ways do the reforms that President Roosevelt promoted affect your life today?My answer: They have influenced modern life
1. 2 answers
2. asked by Anonymous
3. 842 views
In an elementary school, 25% of children wear glasses. Suppose that a random sample of 64 children is selected. Find the mean
1. 1 answer
2. asked by Sarah
3. 839 views
I just wanted to see if my answers made sense.1. What effect would each of the following have on your calculated value of Kf
1. 0 answers
2. asked by Jason
3. 838 views
Air America has a policy of booking as many as 15 persons on an airplane that can seat only 14. (Past studies have revealed that
1. 0 answers
2. asked by Sarah
3. 762 views
Identify the solution(s) of the system of equations, if any.x+5y=5 2x-15y=0
1. 1 answer
2. asked by Tia
3. 738 views
Two point charges q1 &q2 separated by a distance of 3.0 m experience a mutual force of 16x10^-15N.Calculate the magnitude of
1. 1 answer
2. asked by Megha
3. 718 views
The sum of magnitude of two forces is 18 N and the magnitude of their resultant is 12 N.If the resultant makes an angle of
1. 1 answer
2. asked by Rohit kumar
3. 710 views
Three points are chosen uniformly at random from the perimeter of circle. The probability that the triangle formed by these is
1. 3 answers
2. asked by anonymous
3. 689 views
errors involved in measurement of side and mass of cube are 3% and 4% respectively. what is the maximum error in the density of
1. 1 answer
2. asked by Mini
3. 682 views
draw the Lewis structure for the following compounds,and predict the molecular shapes.a) water,H2O b)Oxygen gas,O2 c)Ammonia,
1. 1 answer
2. asked by irfan
3. 677 views
What are the oxidation numbers for sulfur in the half reaction SO2 --> H2SO4 ?
1. 2 answers
2. asked by Anonymous
3. 677 views
•The Bank Account as a control device that helps to protect cash. One of the requirements is to conduct periodic bank
1. 0 answers
2. asked by lee
3. 674 views
In an elementary school, 25% of children wear glasses. Suppose that a random sample of 64 children is selected. Find the mean
1. 2 answers
2. asked by Sarah
3. 668 views
Identify the solution(s) of the system of equations, if any.-6x - 4y = 24 8y = -12x - 48
1. 1 answer
2. asked by Tia
3. 660 views
For positive integer x, let f(x) be the function which returns the number of distinct positive factors of x. If p is a prime
1. 3 answers
2. asked by keshav
3. 629 views
Find an equation for the line that contains the points (2, -3) and (6, 9).
1. 1 answer
2. asked by Brian
3. 627 views
calculate the volume of a rectangular prism with a length of 5.6 , a width of 2.1 , and a height of 6.6 .
1. 1 answer
2. asked by Lisa Jacobs
3. 626 views
When a wire of lenght 5m & radius 0.5mm is stretched by a load of 49N,the elongation produced in the wire is 0.1cm. Find the
1. 1 answer
2. asked by Megha
3. 618 views
Circle the nouns that can be used with the verbs on the right .Engine-consumption-dependence (reduce)
1. 1 answer
2. asked by Maryam
3. 612 views
46. Balance these equations:(a) ____Fe(s) + ____O2(g)h____ Fe2O3(s) (b) ____H2(g) + ____N2(g)h____NH3(g) (c) ____Cl2(g) +
1. 1 answer
2. asked by jamya
3. 609 views
A particular spring has a force constant of 2.6×103 .Part A How much mass would have to be suspended from the vertical spring
1. 1 answer
2. asked by Anonymous
3. 607 views
In the library on a university campus, there is a sign in the elevator that indicates a limit of 16 people. in addition there is
1. 0 answers
2. asked by Eric
3. 605 views
equation for parabola with focus (8,-2) directrix x=4
1. 1 answer
2. asked by phill
3. 604 views
in a geometric series t1=23,t3=92 and the sum of all of the terms of the series is 6813. How many terms are in the series
1. 1 answer
2. asked by bob
3. 602 views
The game Slice is played using a m×n rectangular piece of paper as a board. Players alternate turns, on each turn they choose a
1. 7 answers
2. asked by wait up
3. 592 views
calculate the volume of a rectangular prism with a length of 5.6 , a width of 2.1 , and a height of 6.6 .
1. 1 answer
2. asked by Lisa Jacobs
3. 587 views
A block of metal has a width of 3.2 , a length of 17.1 , and height of 4.8 . Its mass is 1.2 . Calculate the density of the
1. 1 answer
2. asked by sue
3. 586 views
To make causal inferences from observed differences between groups based on varied levels of treatment, it is necessary to…?
1. 1 answer
2. asked by Hilda
3. 563 views
How many ordered pairs of positive integers 1≤k≤n≤50 are there, such that k divides n, and (n/k )!= n!/k! ?
1. 2 answers
2. asked by andrew
3. 548 views
A solution contains 80.0 g of sodium chloride and 400.0 g of water. Calculate the NaCl as a mass percentage
1. 3 answers
2. asked by Monica
3. 541 views
1. The food tastes a little salty.2. The food tastes kind of salty. 3. The food tastes rather salty. 4. The food tastes somewhat
1. 1 answer
2. asked by rfvv
3. 538 views
Two rods of equal length have same temperature differences between their ends. If their thermal conductivities are K1 & K2 &
1. 1 answer
2. asked by Megha
3. 531 views
At sea level and 303 k, a rubber balloon is inflated with hydrogen gas to a diameter of 3.00 ft and an internal pressure of 16.7
1. 0 answers
2. asked by Esther
3. 529 views
You launch a model rocket up into the sky. Right after launch the rocket is accelerating upwards at 10 m/s2. What is the
1. 1 answer
2. asked by Elouisa
3. 528 views
Calculate the surface energy of the (100) plane of niobium. The heat of atomization is 745 kJ/mol.Express your answer in J/cm2
1. 1 answer
2. asked by anny
3. 527 views
(-3xy^2)^2(-2x^5y^3)^3
1. 1 answer
2. asked by Max
3. 517 views
Could someone take a look at my student blog about Media and Technology: theprodigy101 . edublogs . orgI would like your
1. 1 answer
2. asked by Me
3. 514 views
Q) At a hotdog cart, can we buy hotdogs, pretzels and drinks? Do you have drink carts or pretzel carts separately?
1. 1 answer
2. asked by rfvv
3. 505 views
Help for that 1) N-N bond question and 2)for (100) niobium and 3)crystallographic direction .
1. 7 answers
2. asked by Anonyms
3. 494 views
The velocity of a vehicle is uniformly reduced from 72km/h to 24km/ over a distance of 250m down a decline of 1:25 the mass of
1. 1 answer
2. asked by anon
3. 476 views
Suppose x and y are real numbers satisfyingx(x+i)+y(y+i)−6(8+i)=0. What is the value of x^3+y^3?
1. 1 answer
2. asked by Crow
3. 464 views
Assume that in a binomial experiment that n = 12, p = 0.28, and x = 4. Use the binompdf command in the TI-84 calculator to find
1. 1 answer
2. asked by Sarah
3. 462 views
Find the last three digits of the sum of all positive integers n<1000, such that the polynomial fn(x)=x4+n is a product of two
1. 4 answers
2. asked by keshav
3. 459 views
(a) Our wafer will be doped with phospohorus to a concentration at which the material exhibits extrinsic behavior. Sketch the
1. 1 answer
2. asked by SAFEWAY
3. 457 views
An organization is having its seven department located on 3 floors of a building,3 on groubd, 2 on first & 2 on the second floor
1. 0 answers
2. asked by Sonal
3. 454 views
The remainder that the polynomial f(x) leaves upon division by x−1 and x−2 is 2 and 3, respectively. If the remainder f(x)
1. 0 answers
2. asked by Crow
3. 453 views
What is the difference in alkane and Alkene functional group?
1. 1 answer
2. asked by Blue
3. 446 views
a worker walked 8ft. upa ramp and was 3ft. above ground level. If he walkes an additional 12ft. up the ramp,how many ft. will he
1. 1 answer
2. asked by les
3. 444 views
A 0.25mol solution of CH3COOH is found to be 13% ionized.calculate the value of the acid equilibrum for the acid
1. 1 answer
2. asked by Lukman
3. 436 views
•XYZ Company signed an 18-month, $20,000, 8% note on June 1, 2006. The amount of interest to be accrued on December 31, 2006,
1. 1 answer
2. asked by lee
3. 431 views
Calculate the surface energy of the (100) plane of niobium. The heat of atomization is 745 kJ/mol.Express your answer in J/cm2
1. 1 answer
2. asked by kl
3. 425 views
What kinds of problems did progressives attempt to solve?My answer: They attempted to solve the issues of poverty, the spread of
1. 1 answer
2. asked by Anonymous
3. 421 views
Given that the quadratic polynomial f(x)=3x^2+ax+b has real coefficients and f(x)=0 has a complex root 8+5i, what is the value
1. 2 answers
2. asked by Crow
3. 420 views
Express the answer in degrees-minutes-seconds format.5(29deg 36' 30")
1. 1 answer
2. asked by John
3. 413 views

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