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Questions Asked on February 10, 2013

What pressure would a mixture of 3.2 gramsof O2, 6.4 grams CH4, and 6.4 grams of SO2 exert if the gases were placed in a 5.1
1. 7 answers
2. asked by cheri
3. 3,496 views
If the probability of a newborn child being female is 0.5, find the probability that in 100 births, 55 or more will be female.
1. 3 answers
2. asked by Kayla
3. 11,878 views
A box contains 1 blue, 2 green, 1 red, and 2 yellow marbles. An experiment consists of randomly selecting two marbles without
1. 0 answers
2. asked by Tina
3. 436 views
Alex buys a magazine for $8 and some candy bars for $2 each. He spendss a total of $22. Which equation would you use tofin how
1. 4 answers
2. asked by vera
3. 461 views
I still am confused about the snail lab things...Ms. Sue helped me with the calculate, but I still have a question...
1. 1 answer
2. asked by Ji
3. 1,171 views
For a field trip 22 students rode in cars, and the rest filled eleven buses. Which equations would you use to find how many
1. 3 answers
2. asked by vera
3. 672 views
a consultant advices the owners of a beauty salon that their profit p each month can be modeled by p(x) = - 50 x2 +3500 x- 2500
1. 1 answer
2. asked by Anonymous
3. 486 views
2KI+Pb(NO3)2=2KNO3+PbI2suppose a solution containing 1.25g of KI is combined with a solution containing 2.42g Pb(NO3)2 _what
1. 1 answer
2. asked by may
3. 1,443 views
Consider the following equilibrium:PCl3 (g) + Cl2 (g) yields PCl5 (g) delta H= -92KJ The concentration of PCl3 at equilibrium
1. 3 answers
2. asked by Robby
3. 6,210 views
A definite amount of nh4cl was boiled with 100ml of 0.8N naoh for complete reaction. After the reaction, the reaction mixture
1. 1 answer
2. asked by Fai
3. 480 views
{1} {2,3} {4,5,6} {7,8,9,10} {11,12,13,14,15} 1 is the first element and 2,3 is the second what is the first number in the 100
1. 0 answers
2. asked by Enis
3. 310 views
Two people decide to estimate the height of a flagpole. One person positions himself due north of the pole and the other person
1. 1 answer
2. asked by Tina
3. 1,729 views
2NF3(g) yields N2(g) + 3F2(g)When 2.06 mol of NF3 is placed in a 2.00L container and allowed to come to equilibrium at 800K, the
1. 3 answers
2. asked by Robby
3. 2,707 views
A dropping ball initial at rest is dropped 1.5m; calculate a) the traveling time of the ball and b) its velocity just before
1. 1 answer
2. asked by John
3. 2,661 views
Englewood averaged 17 problems right on the math decathlon. Avalon Park Elementary scored an average of 14 problems right. Which
1. 1 answer
2. asked by vera
3. 450 views
At 900.0K, the equilibrium comstant (kp) for the following reaction is 0.3452SO2 (g) + O2 (g) yields 2SO3 (g) At equilibrium the
1. 1 answer
2. asked by Robby
3. 2,500 views
Would you rather have $200 base 10 or $1000 base on 5? What would be the base for $200. Which I would be better of the two
1. 0 answers
2. asked by Enis
3. 354 views
a guy ovserves sun at an angle of 15 degree and after sometime it is 55 degree. what is the time between his observation?
1. 0 answers
2. asked by Vaibhav Yadav
3. 333 views
In the previous example, how many ml of 0.1M kmn04 are required to react with 30ml of 0.05M h202?the answer 3ml who helps
1. 1 answer
2. asked by Fai
3. 428 views
I need to figure out how to solve this equation your help will be much appreciate:-)√5(x-1.2)-√3x<5(x+1.1)
1. 0 answers
2. asked by Anonymous
3. 1,003 views
How deep is the wind mixed layer in the Atlantic oceanis the water column stable or unstable
1. 0 answers
2. asked by shela
3. 378 views
Need to solve what are the steps to do so?1.5<9.1-0.5x<6.8. <they are underlined. Thanks
1. 1 answer
2. asked by Anonymous
3. 339 views
A certain first-order reaction has a rate constant of 2.75 10-2 s−1 at 20.°C. What is the value of k at 50.°C if Ea = 75.5
1. 1 answer
2. asked by Hannah
3. 1,632 views
Which of the following is not an example of a science?geology astronomy astrology ecology
1. 8 answers
2. asked by sabrina
3. 2,070 views
Translate: I have a big nose.Is it: Tengo la nariz grande. or : Tengo una nariz grande. My teacher says you must use el, la,
1. 1 answer
2. asked by Joe
3. 1,072 views
Atdewberry Elementary there are 5 times as many boys than girls. Let (b) represent the number of boys. Which expression shows
1. 2 answers
2. asked by vera
3. 738 views
the need for gaps in railway lines
1. 1 answer
2. asked by boitumelo lipheko
3. 402 views
Marathon runners were randomly assigned to receive either vitamin C or a placebo.Separately, these treatments were also randomly
1. 1 answer
2. asked by Please help
3. 451 views
Marathon runners were randomly assigned to receive either vitamin C or a placebo.Separately, these treatments were also randomly
1. 2 answers
2. asked by Please help
3. 488 views
There are a total of 50 students in the Englewood band. 23 of them are boys. Let (g) represent the number of girls in the band.
1. 1 answer
2. asked by vera
3. 445 views
Jason is 20 years old. He is 4 times older than his younger brother. Which of the following equations could be be used to figure
1. 3 answers
2. asked by vera
3. 594 views
a metal power/laundry line which hang droop on a very warm day
1. 2 answers
2. asked by boitumelo lipheko
3. 1,230 views
Harper is two times older than her brother Bill. Let (b) represent Bill's age. Which expression could be used to solve Harpers
1. 3 answers
2. asked by vera
3. 419 views
THERE are six times as many cats at the Orange County Animal Shelter than dogs. Let (c)represent the number of cats at the
1. 1 answer
2. asked by vera
3. 457 views
Which of the following is not an example of a science?geology astronomy astrology ecology
1. 1 answer
2. asked by raven
3. 576 views
study the function table below.vases flowers 4 12 7 21 8 24 11 33 v f Which expression could be used to find the number of
1. 4 answers
2. asked by vera
3. 453 views
find the limit as t approaches x of ((1/t)-(1/9))-(t-9)..help please thank you
1. 1 answer
2. asked by Anonymous
3. 302 views
Thelma and Louie's Inc started the year with a balance of retained earnings of $547 million and ended the ear with retained
1. 0 answers
2. asked by steve
3. 595 views
boy pushes a 3.3-kg book against a vertical wall with a horizontal force of 43 N. What is the minimum coefficient of friction
1. 1 answer
2. asked by Emilio
3. 561 views
one push factor in rural urban migration is
1. 1 answer
2. asked by kenya
3. 394 views
Which statement is the best example of pseudoscience?Mike joined a group that studies phrenology. C.J. joined a group that
1. 1 answer
2. asked by samantha
3. 1,459 views
The three forces shown in the figure below act on a particle (with F1 = 50.0 N, F2 = 60.0 N, θ1 = 60.0°, and θ2 = 30.0°). If
1. 0 answers
2. asked by Nerise
3. 910 views
If you were asked to convert 25 cg to the unit hg, which of the following would be the first fraction used in the conversion?
1. 1 answer
2. asked by samantha
3. 488 views
You run a race with your friend. At first you each have the same kinetic energy, but then you find that she is beating you. When
1. 0 answers
2. asked by Jake
3. 542 views
graph the line with slope 1/2 passing through the point(-5,-2)find the slope of the line 5x+5y=3 write answer in simplest from
1. 11 answers
2. asked by Anonymous
3. 5,798 views
1)is the ring of real polynomials R[X] countable and why ?
1. 0 answers
2. asked by Jess
3. 322 views
Find the initial concentration of NO2 if the concentration after 2.00 min is 0.113. k = 0.331 1/(M * s)2 NO2 (g) + N2 (g) --> 2
1. 4 answers
2. asked by Anna
3. 867 views
is it true that nananananana batman in french is Que ce que ce que ce que ce batman?
1. 1 answer
2. asked by BATMAN
3. 345 views
I need and analogy example from the bood The Outsiders.
1. 2 answers
2. asked by Chance
3. 592 views
I need to create a communication model in my speech class. My characters are Captain Hook and Peter Pan. I need to write a
1. 0 answers
2. asked by Leyla
3. 442 views
Vitamin K is involved in normal blood clotting. When 1.36 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point
1. 2 answers
2. asked by Nefret
3. 1,475 views
a vending machine dispenses coffee into an 8 oz cup. the amount of coffee dispensed into the cup is normally distributed with a
1. 3 answers
2. asked by stephanie
3. 585 views
Light from a sodium lamp (lambda = 589 nm) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits
1. 0 answers
2. asked by Michael
3. 1,257 views
12kg box is placed on a rough surface. A force of 20N is applied at an angle of 30 degrees. Calculate the magnitude and
1. 2 answers
2. asked by Sybil
3. 1,389 views
You drop a ball from a height of 2.8 m, and it bounces back to a height of 1.4 m. (Ignore air resistance.)(a) What fraction of
1. 0 answers
2. asked by ryan
3. 478 views
describe how you would prepare 500ml of a solution containing 0.025M sodium acetate and 0.001% w/v starch.
1. 1 answer
2. asked by Anonymous
3. 716 views
A definite amount of nh4cl was boiled with 100ml of 0.8N naoh for complete reaction. After the reaction, the reactant mixture
1. 1 answer
2. asked by Fai
3. 485 views
HCOOH(aq) <-----> H^+ (aq)+ HCOO^-(aq)The equilibrium constant (Ka) for Reaction 3 at 25 °C is 1.80 × 10−4 mol dm−3.
1. 5 answers
2. asked by Mark
3. 1,245 views
Please help me figure out where I went wrong.HNO3 + KOH -> KNO3 + H2O enthalpy change = -53.4 kJ/mol 55.0 mL of 1.30 mol/L
1. 3 answers
2. asked by A Canadian
3. 2,730 views
the width of a rectangle is 9 less than twice the length. if the area os the rectangle is 41cm^2 what is the length of the
1. 2 answers
2. asked by eddie
3. 758 views
X^2+8X-4=0what are the 2 answers?
1. 1 answer
2. asked by eddie
3. 307 views
An investor invested a total of 1,400 in two mutual funds. One fund earned a 8% profit while the other earned a 3% profit. if
1. 0 answers
2. asked by tootles
3. 424 views
a wheel makes 8 1/10 revolutions per minute if it rotates for 85 mins. how many revolutions will it make
1. 1 answer
2. asked by melissa
3. 820 views
how do you find the lenght of a segment with given exponents?
1. 0 answers
2. asked by shekiinna
3. 657 views
A definite amount of NH4cl was boiled with 100ml of 0.8N naoh for complete reaction . After the reaction mixture containing
1. 1 answer
2. asked by Fai
3. 1,238 views
Tater and Pepper Corp. reported free cash flows for 2012 of $43.1 million and investment in operating capital of $26.1 million.
1. 2 answers
2. asked by steve
3. 1,120 views
I need to create a communication model in my speech class. My characters are Scout and Jem (TKAM) I need to write a
1. 6 answers
2. asked by Darcy
3. 865 views
As your bus rounds a flat curve at constant speed, a package with mass 0.900 , suspended from the luggage compartment of the bus
1. 0 answers
2. asked by Alex
3. 1,191 views
The mean of 3 consecutive multiples of 3 is equal to A.The mean of 4 consecutive multiples of 4 is equal to A + 27.The mean of
1. 0 answers
2. asked by Anonymous
3. 480 views
calculate the dimensions of a cube that contains 22.4L of gas at STP.
1. 1 answer
2. asked by Kelsey
3. 429 views
During a rockslide, a 740 kg rock slides from rest down a hillside that is 500 m long and 300 m high. The coefficient of kinetic
1. 0 answers
2. asked by Kevin
3. 588 views
I need help, do not want the answer just stuck on how to solve this one.Here is the problem Elkins Company sold $2,500,000, 8%,
1. 1 answer
2. asked by newbie2school
3. 459 views
A family group of 6 went to a show. Tickets for adults are $6. Tickets for children are $4 dollars. The family spent $30 dollars
1. 1 answer
2. asked by max
3. 382 views
A container having a volume of 1 m3holds 90 mol of helium gas at 176 ◦ C. Boltzmann’s constant is 1.38 × 10 −23 J/K.
1. 1 answer
2. asked by Conor
3. 801 views
What do labeling theorists say about the treatment of the disabled by society? Be sure to address, and give examples of, overt
1. 1 answer
2. asked by AMY
3. 571 views
5 selected from batch of 50 produced, if one is found defective, than each is tested individually. Find the probability that the
1. 0 answers
2. asked by Betty
3. 546 views
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.200 M HClO(aq) with 0.200 M KOH(aq). The
1. 1 answer
2. asked by Kathy
3. 1,034 views
Explain the raise of bonding angle in these molecules: HF, H2O, NH3 and CH4
1. 1 answer
2. asked by Anonymous
3. 434 views
The drawing shows a square, each side of which has a length of L = 0.25 m. Two different positive charges q1 and q2 are fixed at
1. 0 answers
2. asked by Anonymous
3. 956 views
Thelma and Louie's Inc started the year with a balance of retained earnings of $547 million and ended the ear with retained
1. 0 answers
2. asked by steve
3. 1,098 views
During a rockslide, a 740 kg rock slides from rest down a hillside that is 500 m long and 300 m high. The coefficient of kinetic
1. 0 answers
2. asked by Kevin
3. 503 views
A “magic” number is an integer in which the number is equal to the sum of the cubes of its digits. Write a program to
1. 0 answers
2. asked by Riana
3. 460 views
Two identical point charges (q = +4.60 x 10-6 C) are fixed at opposite corners of a square whose sides have a length of 0.510 m.
1. 0 answers
2. asked by Anonymous
3. 918 views
This year Martin is twice as old as his sister. If Martin is 12 years old then how old will his sister be next year
1. 1 answer
2. asked by sarah
3. 429 views
Two capacitors are identical, except that one is empty and the other is filled with a dielectric (k = 3.8). The empty capacitor
1. 0 answers
2. asked by Anonymous
3. 697 views
i need to draw a concept map that represents the relationships among the concepts under study for either Middle-range theory,
1. 1 answer
2. asked by Tabby
3. 946 views
Sally has 6 more than three times the number of shoes Sandra has. If, (s) is the amount of shoes Sandra owns,which expression
1. 3 answers
2. asked by vera
3. 374 views
A disc-shaped spinner has five sections with the following colors and central angles:Blue, 60; Red, 120; Green, 45; Red, 45; and
1. 1 answer
2. asked by Tina
3. 880 views
The equilibrium constant (Ka) for Reaction 3 at 25 °C is 1.80 × 10−4 mol dm−3. Calculate the equilibrium concentration of
1. 2 answers
2. asked by Mark
3. 520 views
five less than the product of 6 and a number is no more than twice that same number. what is the number?
1. 1 answer
2. asked by stgc
3. 393 views
A friend gave me 1/2 a candy bar and i ate 1/5 of it. How much did she eat?
1. 3 answers
2. asked by daya
3. 913 views
A bat moving at 3.7 m/s is chasing a ﬂyinginsect. The bat emits a 36 kHz chirp and receives back an echo at 36.79 kHz. At what
1. 0 answers
2. asked by Anonymous
3. 913 views
For a certain transverse wave, the distancebetween two successive maxima is 1.26 m and eight maxima pass a given point along the
1. 0 answers
2. asked by Anonymous
3. 944 views
Reasoning It costs $7 for a matinee and $8 for an evening movie. With $56, would you be able to buy more matinee tickets or
1. 6 answers
2. asked by Quan
3. 1,987 views
A train at rest emits a sound at a frequencyof 1089 Hz. An observer in a car travels away from the sound source at a speed of
1. 0 answers
2. asked by Anonymous
3. 653 views
Solve the equation: 4x^2 + 100 = 0Here is my work: 4x^2 + 100 = 0 - 100 - 100 4x^2 =0 /4 /4 x = -5 or 5. Did I do this
1. 1 answer
2. asked by Bob
3. 478 views
The mean scale score on the mathematics examinatin of ninth graders in Texas was 86 with a standard deviation of 5 points. Given
1. 0 answers
2. asked by kelly
3. 375 views
The mean scale score on the mathematics examinatin of ninth graders in Texas was 86 with a standard deviation of 5 points. Given
1. 0 answers
2. asked by kelly
3. 1,018 views
The mean scale score on the mathematics examinatin of ninth graders in Texas was 86 with a standard deviation of 5 points. Given
1. 1 answer
2. asked by kelly
3. 351 views
The lengths of pregnancies are normally distributed with a mean of 273 days and a standard deviation of 20 days. If 64 women are
1. 2 answers
2. asked by Jane
3. 13,200 views

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