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2011
June

Questions Asked on June 21, 2011

25cm3 of a solution of 0.1mol dm-3 NaoH reacts with 50cm3 of a solution of hydrochloric acid.What is the molarity of the acid
1. 7 answers
2. asked by jonah
3. 8,047 views
What mass of CO2 could be formed from the reaction of 16 g of CH4 with 32 g of O2 ?
1. 2 answers
2. asked by christi
3. 687 views
When did modern soccer start?- It started in 1863 when ten schools founded the Football Association of England. (In the second
1. 1 answer
2. asked by rfvv
3. 468 views
Why is it important for public health to have a strategic disaster management plan in place?
1. 1 answer
2. asked by Linda
3. 467 views
Why is local and international water assessment necessary to prevent diseases?
1. 1 answer
2. asked by Linda
3. 475 views
5.A crate with a mass of 100kg accelerates with a magnitude of 2.0 m/s2 when it is pushed with a 250N.a.What is magnitude of the
1. 1 answer
2. asked by Hunter
3. 473 views
3.A car with a mass of 1500 kg is parked on a hill with an incline of 20°.a.What is the weight of the car? b.What is the normal
1. 1 answer
2. asked by Hunter
3. 2,059 views
2. A golf ball is hit off the tee with an initial speed of 32 m/s at an angle of 29° with respect to the horizontal.a. What is
1. 3 answers
2. asked by Hunter
3. 699 views
difinite integral f(x)=8-4�ã-3:(X) from x=0 to x=8
1. 0 answers
2. asked by renee
3. 341 views
difinite integral f(x)=2e^x from x=0 to x=ln 3
1. 1 answer
2. asked by renee
3. 316 views
If a stone is tossed from the top of a 210 meter building, the height of the stone as a function of time is given by h(t) =
1. 1 answer
2. asked by Taina
3. 445 views
difinite integral f(x)=(x^99+x^9+1)dx from x=0 to x=1
1. 1 answer
2. asked by renee
3. 316 views
if the mean is 20 and the standard deviation is 4, at least what percentage will have a mean between 15 and 25?
1. 1 answer
2. asked by danette
3. 430 views
Hi, I solved this problem, but I want to make sure it is correct:2 equal charges are separated by 3.7x10^-10m. The force between
1. 1 answer
2. asked by Anonymous
3. 757 views
1. A common symptom of a behavior disorder is2. When children have accidents with bowel or bladder control, the teacher aide
1. 12 answers
2. asked by teachers aide and early childhood education settin
3. 1,748 views
x=-(0.7)=/-sqrt(0.7)^2-4(-0.01)(6.1)=0
1. 1 answer
2. asked by Agatha
3. 340 views
There are 6 batteries. Two are defective. If you pull out two batteries, what is the probability that neither are defective?Is
1. 1 answer
2. asked by Todd
3. 652 views
You are observing a slide of green cells under the 4X objective. Each cell covers roughly 1/8th of the width of your field of
1. 1 answer
2. asked by Kay
3. 742 views
How many hydrogen atoms will bond with each nitrogen atom?
1. 0 answers
2. asked by Sherri
3. 529 views
Human vision can distinguish objects down to about a 4th of a millimeter (~250 micrometers). Given this, which of the following
1. 2 answers
2. asked by Kay
3. 1,291 views
There are three seating categories at a stadium. For a softball game, Class A# seats cost $15, Class B cost $12. and Class C
1. 2 answers
2. asked by John
3. 3,158 views
april sells specialty teddy bears at various summer festivals. her profit for a week,P, in dollars, can be modelled by P=
1. 1 answer
2. asked by geekgirl95
3. 2,193 views
What is the mass difference between sodium ion vs. sodium atom?
1. 2 answers
2. asked by mema
3. 773 views
what dies literl perception mean?
1. 1 answer
2. asked by Sharon
3. 417 views
Use the discriminant to determine whether the following equations have solutions that are: two different rational solutions; two
1. 1 answer
2. asked by Taina
3. 471 views
Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state
1. 1 answer
2. asked by Taina
3. 681 views
difinite integral f(x)=1/y^2dy from x=1 to x=4
1. 0 answers
2. asked by renee
3. 303 views
difinite integral f(x)=dx/x from x=1 to x=e
1. 1 answer
2. asked by renee
3. 316 views
Based on the first and second laws of thermodynamics, explain how energy flows through your selected ecosystem
1. 0 answers
2. asked by Anonymous
3. 457 views
Find the possible values of a, if the distance between the points is 5, and the coordinates are (1,1) and (4,a)I'm not quite
1. 2 answers
2. asked by Lyn
3. 583 views
difinite integral f(x)=8-4� cube root-3(x) from x=0 to x=8
1. 1 answer
2. asked by renee
3. 331 views
A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium
1. 0 answers
2. asked by Neil
3. 859 views
The carbon tetrachloride molecule,CCi4 iswhat kind of molecule and bond?
1. 1 answer
2. asked by mema
3. 1,006 views
The standard solution of FeSCN2+ (prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN) has an
1. 0 answers
2. asked by John
3. 520 views
What is the mass number of an atom of potassium that has 20 neutrons?
1. 3 answers
2. asked by mema
3. 1,516 views
what is the element with the electron arrangement 2 8 7
1. 1 answer
2. asked by mema
3. 791 views
calculate the molality of one molarity solution of sodium nitrare. the density of solution is 1.25g cm cube.
1. 1 answer
2. asked by joyti
3. 1,578 views
calculate the molality of one molarity solution of sodium nitrare. the density of solution is 1.25g cm cube.
1. 0 answers
2. asked by joyti
3. 888 views
how many gram molecules are present in 4.9g of H2SO4
1. 2 answers
2. asked by joyti
3. 2,022 views
consider a neutral atom with 30 protons and 34 neutrons. What is the mass number for the atom?
1. 2 answers
2. asked by mema
3. 2,261 views
calculate the weight of carbon momoxide having same number of O2 atoms as are present in 22g of carbon dioxide
1. 9 answers
2. asked by joyti
3. 2,689 views
Create a set of test inputs and expected results for the Currency Conversion program.
1. 0 answers
2. asked by JoJo03
3. 377 views
Do you think someone's literal perception can be influenced by their personal bias?
1. 1 answer
2. asked by Sharon
3. 384 views
Express the number 25 as a sum of two nonnegative numbers whose product is as large as possible.
1. 2 answers
2. asked by Sandhya
3. 3,088 views
John & Jane are married. The probability that John watches a certain television show is .4. The probability that Jane watches
1. 1 answer
2. asked by CC
3. 8,886 views
James and Steve have a contest to see who can kick a football further. James kicks the football at an angle up of 57 degrees,
1. 1 answer
2. asked by Molly
3. 578 views
2. Tyler pulls a box full of baby ferrets across the floor by means of a rope that is tied to the box. The rope makes an angle
1. 1 answer
2. asked by Molly
3. 601 views
1. a force of 30n with a direction of 35 degrees northwest acts on point p. Find:a) the northward component on the force b) the
1. 4 answers
2. asked by Molly
3. 625 views
1. Tyler pulls a box full of baby ferrets across the floor by means of a rope that is tied to the box. The rope makes an angle
1. 1 answer
2. asked by Anonymous
3. 698 views
1. a force of 30n with a direction of 35 degrees northwest acts on point p. Find:a) the northward component on the force b) the
1. 1 answer
2. asked by Anonymous
3. 484 views
James and Steve have a contest to see who can kick a football further. James kicks the football at an angle up of 57 degrees,
1. 1 answer
2. asked by Anonymous
3. 499 views
a driver releases an air bubble of volume 2.0 cm^3 from a depth of 15 m below the surface of a lake where the temperature is
1. 1 answer
2. asked by j
3. 789 views
1.Approximate sqrt3 by applying Newton's Method to the equation(x^2-3) = 0 2.The equation (x^3-x-2) = 0 has one real solution
1. 0 answers
2. asked by Sandhya
3. 683 views
I corrected the two sentences as you told me. Can you please check them? Thank you.1) Coleridge's view of nature, unlike
1. 1 answer
2. asked by Henry
3. 603 views
I forgot to include this sentence. Can you please check the tense choice since I switched from the past to the present? Thank
1. 1 answer
2. asked by Henry
3. 512 views
I left out the following sentences. They are part of the same paragraph. Thank you.6.She is not going to give up (?) her
1. 1 answer
2. asked by Henry
3. 405 views
Sum of 2 numbers is 1 and their product is 1/8. Find their difference.
1. 1 answer
2. asked by Khalid
3. 1,095 views
what is a map?!
1. 1 answer
2. asked by sia
3. 346 views
If the angular velocity is increased by 17 times of the earth what will be the weight of an object at the equator?
1. 1 answer
2. asked by Raju prasad
3. 845 views
A body travels along a circular path of radius 70 m.After travelling half a revolution in 20 s find the ;1.average velocity
1. 2 answers
2. asked by Saurabh
3. 2,589 views
What ir irrigation agriculture?
1. 1 answer
2. asked by Ofor
3. 346 views
a) Given that A+B =120¢ª and cos A + cos B = 1/¡î2 show that cos(A+B)/2 =1/¡î2
1. 0 answers
2. asked by ceasar
3. 415 views
Given that Sin(A+B)=2Cos(A-B) and tan A = 1/3 ,Find the exact value of tan B.
1. 1 answer
2. asked by CHRYSTABELLE
3. 572 views
A clear explanation of how smoking is a human factor that may cause ill health, accidents, crises or disaster?
1. 0 answers
2. asked by Angel
3. 506 views
whats a tip to write down on improving a newspaper?
1. 1 answer
2. asked by sarena
3. 380 views
umbrella, homework,slowly, follow... what word ofstressed syllable is different?
1. 2 answers
2. asked by zxania
3. 1,391 views
Given that Sin(A+B)=2Cos(A-B) and tan A = 1/3 ,Find the exact value of tan B.
1. 0 answers
2. asked by ceasar
3. 515 views
Given that A+B =120¢ª and cos A + cos B = 1/¡î2 show that cos(A+B)/2 =1/¡î2
1. 1 answer
2. asked by CHRYSTABELLE
3. 413 views
complete and balance the following molecular equations and then write net ionic equations for each reaction.BaCl2(aq) +
1. 2 answers
2. asked by chelsea
3. 888 views
molecular and net ionic equations for FeCl3 + Na2S
1. 1 answer
2. asked by chelsea
3. 3,746 views
I have deleted your post because you included your email address in it. That is not a safe thing to do online. Please remember
1. 1 answer
2. asked by Writeacher
3. 1,441 views
a piece of wood that measures 3.0 cm by 4.0 cm by 5.0 cm has a mass of 90.og. what is the density of the wood? would the piece
1. 0 answers
2. asked by dylan
3. 752 views
9^x - 4 X 3^x = 45. Find xIn words: 9 raised to the power x minus 4 multiplied by 3 raised to the power x is equal to 45. Find
1. 1 answer
2. asked by Khalid
3. 489 views
How many boxes that is 5" * 4" * 3" could be placed inside a big box of 40" * 32" * 24" ??
1. 1 answer
2. asked by lina
3. 354 views
Which of the following would be the best technique to use in order to separate a soluble solid from a liquid?
1. 1 answer
2. asked by xavier
3. 507 views
A rectangular garden 10m * 18m . Find the area of a sidewalk that is 2m from the side of a garden ?
1. 2 answers
2. asked by lina
3. 651 views
Determine the equation of joint variation. Then solve for the missing value.x varies directly with y and z. x = 400 when y = 8
1. 2 answers
2. asked by tyler
3. 1,314 views
As a baseball is being caught, its speed goes from 30 to 0 m/s in about 0.005 its mass is 0.145.A) What is the baseballs
1. 3 answers
2. asked by Ralph
3. 3,446 views
If m angle 1 = 90°, what is m ADB?
1. 2 answers
2. asked by terri
3. 2,230 views
how friction help in opposing a football
1. 1 answer
2. asked by jatin
3. 371 views
A projectile spends a total of 20 seconds in the air. It reaches a peak height of 8 meters. How long does it take to reach it's
1. 1 answer
2. asked by Rosie
3. 528 views
Given: BD is a diameter m 1 = 100°m BC = 30°m 2 = ?degrees Given: BD is a diameter m 1 = 100°m BC = 30° m 3 = ? degrees
1. 1 answer
2. asked by terri
3. 3,211 views
A car travels at an average speed of 36 kilometers per hour. Write and solve an equation to predict how many hours if will take
1. 2 answers
2. asked by jewel padilla
3. 1,370 views
I am having trouble knowing if I add or multiply with this problem:Male Female Age 19 and under 4746 4517 Age 20 1625 1553 Age
1. 1 answer
2. asked by overwhelmed
3. 431 views
If a car travel at an average speed of 80 km per hr for 20 min, and then slowed down to an average speed of 50 km per hr over
1. 1 answer
2. asked by Jennifer
3. 449 views
calculate the solubility of na cl
1. 1 answer
2. asked by shafie
3. 318 views
How many calories are absorbed by a copper spoon with a mass of 200 grams as it changes from 28°C to 33°C?A) 0.00027 B) 3 C)
1. 1 answer
2. asked by Destiny
3. 1,015 views
3.Explain the major tenets of Hinduism and its evolution from the Aryans to the Gupta.Please help with this question I have no
1. 3 answers
2. asked by Nina
3. 1,258 views
what is the purpose of a diode in a cordless drill or power screwdriver?
1. 2 answers
2. asked by vicki
3. 1,077 views
The notation [x ] stands for the greatest integer that is less than or equal to x. Calculate [-1,2]
1. 1 answer
2. asked by Ladoo
3. 1,198 views
cslculate the molarity of a solution of 10.0g MgCl2 in a 300.0ml of solution
1. 0 answers
2. asked by marcus
3. 433 views
Given that A+B =120¢ª and CosA + Cos B = 1/¡î2 show that cos(A+B)/2 =1/¡î2
1. 0 answers
2. asked by CHRYSTABELLE
3. 489 views
what is the following reaction?HNO3(aq) + KOH(aq) ---> KNO3(aq) + H2O(l)
1. 1 answer
2. asked by miranda
3. 2,020 views
Battle of Chattanooga, last fought by Grant and Sherman together. Why was its outcome significant ?
1. 3 answers
2. asked by Joanne
3. 544 views
Thank you really much. Here are some more sentences I'd like you to check.1)Victorian refers to a set of moral values which were
1. 1 answer
2. asked by Henry
3. 549 views
1. Imagine you are in the market for a new home and are interested in a new housing community under construction in a different
1. 1 answer
2. asked by Libby
3. 1,121 views
ASSIGN FORMAL CHARGES TO FOLLOWING STRUCTRE, H-N-C-H3
1. 1 answer
2. asked by Anonymous
3. 435 views
A hang glider and its pilot have a total mass equal to 120 kg. While executing a 360 degree turn, the glider moves in a circle
1. 0 answers
2. asked by Isaac
3. 827 views
A flower pot is dropped out of the twentieth story window. How far does the pot drop in 3 seconds? How fast will it be moving
1. 1 answer
2. asked by Nicki
3. 720 views
Given the quadratic function f(x) = x2 – 12x + 36, find a value of x such that f(x) = 25.
1. 1 answer
2. asked by RANDA
3. 1,368 views

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