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2011
May

Questions Asked on May 22, 2011

Which equation shows conservation of mass and charge?A.NH4Br → NH3 + Br2 B. 2Mg + Fe3+ → Mg2+ + 3Fe C. H2SO4 + LiOH →
1. 4 answers
2. asked by Angie
3. 7,407 views
iron metal & oxygen combine to form magnetic oxide of iron, Fe3O4. How many mols of iron can be converted to magnetic by 8.80
1. 2 answers
2. asked by Cassie
3. 4,813 views
Net Ionic Equation of :NaOH(aq) + CaBr2(aq)
1. 1 answer
2. asked by June
3. 3,178 views
With an average acceleration of −2.2 m/s^2,how long will it take a cyclist to bring a bicycle with an initial speed of 14.5
1. 1 answer
2. asked by Laura
3. 3,065 views
9. According to Arrhenius, which of the following groups contain:i)only acids ii)only bases a. NaOH, H2CO3, KCl b. MgCl2, H2SO4,
1. 3 answers
2. asked by Kavitha
3. 2,779 views
when 5 radical 20 is written in simplest form, the result is k radical 5 what is the value of k?1) 20 2) 10 3) 7 4) 4
1. 2 answers
2. asked by michaela .b.
3. 2,293 views
which relation is NOT a function?1) {(1,5),(2,6),(3,6),(4,7)} 2) {(4,7),(2,1),(-3,6),(3,4)} 3) {(-1,6),(1,3),(2,5),(1,-7)} 4)
1. 2 answers
2. asked by michaela .b.
3. 2,214 views
True or False.1)Electrons give off light as they drop to lower energy levels. 2)Electrons travel around the nucleus as waves.
1. 4 answers
2. asked by Jennie
3. 2,056 views
how did the old Hudson bay company keep control over the new hudson bay company after the merger with the northwest company?I
1. 1 answer
2. asked by Emma
3. 1,431 views
a tree casts a 25 foot shadow on a sunny day if the angle of elevation from the tip of the shadow to the top of the tree 32
1. 5 answers
2. asked by michaela
3. 1,425 views
Matt forgot to put the fabric softener in the wash. As his socks tumbled in the dryer, they became charged. If a small piece of
1. 2 answers
2. asked by Kelli Kenyon
3. 1,421 views
a boy eats 1/3 and 1/2 of a pizza for himself. what fraction of the original pizza does he have left
1. 5 answers
2. asked by steph
3. 1,317 views
A train travels 40 km/hr for 0.2 hr, 50km/hr for next 0.2hr and 60km/hr for next 0.4 hr.calculate the average speed of train
1. 1 answer
2. asked by YASH
3. 1,276 views
cos4x*cos3x + sin4x*sin3x
1. 2 answers
2. asked by Daniel
3. 1,259 views
4.a. Using Le Chatelier's principle, what effect will an increase of temperature have on the following system? H2O(l) + 57 kJ
1. 1 answer
2. asked by Sareena
3. 1,207 views
A new screening test for a disease is developed for use in the general population. The sensitivity and specificity of the new
1. 0 answers
2. asked by mona
3. 1,205 views
Write an equation of the line that is parallel to the line y= -x+4 and passes through the point (0,10).
1. 1 answer
2. asked by Anonymous
3. 1,198 views
Your goal is to solve the following programming lab activity. Write a program that prompts & accepts a number between 1 and 12.
1. 4 answers
2. asked by carol
3. 1,158 views
illuminated by the rays of the setting Sun, Kelly rides along on a merry-go-round casting a shadow on a wall. The merry-go-round
1. 1 answer
2. asked by sophie
3. 1,128 views
what are the amplitude and period of the sinusoid y=6cosx+7sinx?
1. 1 answer
2. asked by alex
3. 1,120 views
Suppose 22.93mL of KMnO4 solution used in the question above (KMnO4 solution in above question 36.00mL and concentration of
1. 0 answers
2. asked by Meso
3. 1,099 views
In triangle ABC, D and E are midpoints of AB and AC, DE=4x and BC=2x+48. Find BC.Thanks So Much!!
1. 1 answer
2. asked by Alana
3. 1,048 views
If the edges of the base of a rectangular prism are 8cm and 6cm, and the diagonal is 10--square root of 2, what is the volume of
1. 1 answer
2. asked by L.D.
3. 1,034 views
The area of some shape varies directly with the square of its side. If a shape with 2cm sides has an area 10cm^2,what would be
1. 2 answers
2. asked by leroy
3. 1,028 views
What is the distance between the parallel planes: ax+by+cz=d1 and ax+by+cz=d2?
1. 1 answer
2. asked by sophie
3. 1,007 views
four equal charges of 10microculomb is placed in4 corners of a square of side 0.2m. Calculate the force at any one of the
1. 1 answer
2. asked by jeena
3. 973 views
Create a timeline tracking the major themes/paradigm shifts in American History from the Columbus's voyages through the
1. 11 answers
2. asked by Demarauis
3. 972 views
Find the difference(-x^2+8x-7)-(9x^2-5x-7)
1. 1 answer
2. asked by mema
3. 933 views
I need to be able to label all parts of battery
1. 1 answer
2. asked by Pat
3. 920 views
in visual logicYou will need to design an application that it will prompt a user for their hourly pay rate, their hours worked,
1. 4 answers
2. asked by carol
3. 919 views
How do i simplify this?[(3x+1)/(x-2)] + [(2x-1)/(x-2)]
1. 1 answer
2. asked by Erin
3. 903 views
Podemos alquilar dos peliculasI need to answer this using direct object pronouns.
1. 2 answers
2. asked by Jane
3. 901 views
Matt forgot to put the fabric softener in the wash. As his socks tumbled in the dryer, they became charged. If a small piece of
1. 1 answer
2. asked by Kelli Kenyon
3. 893 views
Select three major sales promotions from different companies.
1. 1 answer
2. asked by rex
3. 864 views
A Young's double slit has a slit separation of 2.50x10 raised to the -5th power m on which a monochromatic light beam is
1. 0 answers
2. asked by Sydney
3. 852 views
Agree or Disagree with the following statement: Western Europe is a peninsula of peninsulas. Explain your position.
1. 1 answer
2. asked by Justin Bieber
3. 833 views
explain body is thrown vertically downward?
1. 2 answers
2. asked by lala
3. 802 views
Was conflict over the red river settlement inevitable?Wat? Yes it was inevitable, because anyone could have taken control of the
1. 2 answers
2. asked by Emma
3. 799 views
i reallly need help with combining the gas laws. here are a few questions i am struggling with if anyone could please help!1. A
1. 0 answers
2. asked by me
3. 777 views
A unknown piece of metal is placed into a container of acid. Hydrogen gas was produced as a result. The unknown metal could have
1. 1 answer
2. asked by jazmin
3. 760 views
How do you find the slope-intercept equation of medians of a triangle and perpendicular bisectors of a triangle?
1. 0 answers
2. asked by Jasmine
3. 750 views
the chapter is on electric fields and forces and I cannot figure these 3 answers out:Matt forgot to put the fabric softener in
1. 1 answer
2. asked by Kelli Kenyon
3. 740 views
What Net Force is necessary to give a 2.0 kg mass initially at rest an acceleration of 5.0 m/s^2?
1. 1 answer
2. asked by rianna
3. 739 views
A boat heads S 15 degrees E on a river that flows due west. the boat travels S 11 degrees W with a speed of 25 km per hour. Find
1. 1 answer
2. asked by GoMeGo
3. 727 views
draw a temperature time plot for ice-steam transformation
1. 1 answer
2. asked by YASH
3. 727 views
Sorry to post this again, but I am still unable to understand it and need help. Please help.1) Using 3(x-3)(x^2-6x+23)^2 as the
1. 3 answers
2. asked by Claire
3. 727 views
Find the product7x(-2x^2+x-4)
1. 1 answer
2. asked by mema
3. 720 views
Can you someone please help me with this question??? Simplify cot(x + pi)
1. 1 answer
2. asked by Emily
3. 719 views
1. Which of the following is NOT a criticism of the media's influence on public opinion?a. bias in reporting b. negative focus
1. 1 answer
2. asked by Cheryl
3. 708 views
I need to write five sentences on the role of education in successful financial planning, in which you correctly use a different
1. 1 answer
2. asked by Darlene
3. 708 views
How did world war 1 help to bring abiut the russian revolution?
1. 1 answer
2. asked by sarah
3. 679 views
calculate the mass of ammonium sulphate, which contains the same number of moles as 4g of iron(ll) sulphate heptahydrate.
1. 1 answer
2. asked by ogah john
3. 666 views
An electric iron of 500 W power is used daily for 30 minutes. If the cost per kW.h is $0.10, what is the weekly expense in using
1. 1 answer
2. asked by ashley --- HELP PLEASEE!!!
3. 647 views
the most fundamental principle behind learning is that children do whatA. construct knowledge B. learn through play Clean wen
1. 8 answers
2. asked by Heather
3. 643 views
find the total surface area where a cone has a height of 16cm and the diameter of the base is 24
1. 1 answer
2. asked by charles
3. 638 views
Write a linear function that satisfies the given conditions:f(0)=12, F(3)= -2
1. 1 answer
2. asked by Erin
3. 636 views
two dices are tossed once. let the random variable be t he sum of the up faces on the dice. A). find and graph the probability
1. 1 answer
2. asked by sharik
3. 628 views
A TRAIN IS MOVING ON A STRAIGHT TRCK AND TRAVELS AT A SPEED OF 72KM/HR AND PASSES A POLE BIN 3 SECONDS. FIND THE TJME TAKEN TO
1. 1 answer
2. asked by YASH
3. 626 views
XeF2 is a linear molecule with vibrational frequencies of 515 cm–1 (symmetricstretch), 555 cm–1 (antisymmetric stretch) and
1. 0 answers
2. asked by Alice
3. 591 views
How do I find the quadrant in which angle thada may lie if cos thada > 0 and tan thada < 0?
1. 1 answer
2. asked by Nathan
3. 586 views
Do i need a chemical formula to calculate the mols of FeSO4*7H20 when given the mols of Fe(II)?If so i only know that Fe(III) +
1. 3 answers
2. asked by Meso
3. 577 views
I urgently need you to check these sentences for me, please.1) Elizabeth I was unmarried and used this (?) as a political weapon
1. 1 answer
2. asked by Henry1
3. 575 views
How do I find the area of a trapazoid with side lenghts 6 & 7, bottom 17 and top 10.I know the perimeter is 40. Now I need the
1. 1 answer
2. asked by Mary
3. 569 views
36.00mL of KMnO4 is required to oxidize 25.00mL of 0.02932M Na2C2O4 solution. what is the concentration ofKMnO4?Do I just use
1. 0 answers
2. asked by Meso
3. 567 views
Hey guys i only have this question left on my review and i just can't fingure it out!Sketch a pH curve for the titration of
1. 0 answers
2. asked by Emma
3. 563 views
human factor that cause ill health?
1. 2 answers
2. asked by Anonymous
3. 560 views
Last paragraph. I wasn't going to post it, but considering how atrocious my last two were...A fictional invitation with details
1. 4 answers
2. asked by Mina
3. 557 views
A pack of Jillybeans contains seven different flavors: Apricot, Banana, Coconut, Date, Eggplant, Fig and Grape. You can make
1. 1 answer
2. asked by Matt
3. 541 views
What is the wavelength of the emitted photon, when the electron in the hydrogen atom makes a transition from the ni = 5 state to
1. 1 answer
2. asked by Beth
3. 536 views
what is the value of the y-coordinate of the solution to the system of equations: x-2y=1 and x+4y=71) 1 2) -1 3) 3 4) 4
1. 1 answer
2. asked by michaela .b.
3. 535 views
Was conflict over the red river settlement inevitable?Wat? Yes it was inevitable, because anyone could have taken control of the
1. 1 answer
2. asked by Emma
3. 526 views
I forgot to include the following two sentences and as well as few sentences in indirect speech. Thank you.1)He invited me to go
1. 1 answer
2. asked by Henry1
3. 521 views
Construct a truth table for ~q p
1. 2 answers
2. asked by kozy
3. 515 views
Is it possible for the lengths of a right triangle to form a geometric sequence? If yes, determine the lengths and the measures
1. 1 answer
2. asked by sophie
3. 515 views
list the coefficients of the given polynomial2x^3+4x^2+8x-5
1. 1 answer
2. asked by mema
3. 514 views
evaluate :-lim (existing from n to infinity)1/n^2 [1/1+cos(pie/2n) +2/1+cos(2pie/2n) + 3/1+cos(3pie/2n)+......to n terms]
1. 0 answers
2. asked by PRERANA
3. 505 views
define sustainable agriculture
1. 0 answers
2. asked by YASH
3. 503 views
hi, can anybody help me for my project...strength and weaknesses of a travel agency ....like any travel agency you know please
1. 2 answers
2. asked by resisster
3. 499 views
How do i simplify this complex fraction?(x+3)/(3x^2)/(6x^2)/[(x+3)^2]
1. 3 answers
2. asked by Denice
3. 497 views
what will a deposit of 4500 be worth if left in the bank for 5 years at 8% compounded quarterly?
1. 1 answer
2. asked by mark
3. 488 views
A person standing on Earth at 44 degrees 9 minutes North, how fast is he rotating around the Earth in mph?
1. 1 answer
2. asked by glenn
3. 483 views
Ms. Sue,so how would you write 50.90
1. 2 answers
2. asked by bes
3. 474 views
Still confused. let's try this: word forms for:9.035 9.35 Thank you.
1. 3 answers
2. asked by bes
3. 471 views
Name two institutions/community organistations that are involved in supporting or giving redress to water pollution
1. 3 answers
2. asked by Joseph
3. 464 views
given :A={all even integers from 2 to 20,incusive} B={10,12,14,16,18}'what is the compliment of set B within the universe of set
1. 1 answer
2. asked by michaela .b.
3. 459 views
Choose an ethical approach and explain the steps one should take when a supervisor asks one to perform a lawful, but immoral act
1. 3 answers
2. asked by norma
3. 459 views
(24x^4+24x^3=3x^2)divided 8x^3
1. 1 answer
2. asked by latonya
3. 457 views
I can't figure out this math problem: 76 is what percent of 15!!!! Need help! URGENT!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
1. 2 answers
2. asked by Mbaintu
3. 456 views
What does Hubble's law tell us?
1. 0 answers
2. asked by Chris
3. 454 views
divide in the indicated base5 6 / 252 6
1. 4 answers
2. asked by Anonymous
3. 446 views
what is inverse of this funtionf(x)=(1 / 3)^x? I think the answer is f-1(x)= log base 1/3 of x, but i know im wrong... please
1. 3 answers
2. asked by Priya
3. 441 views
I need some information on DeeDee from "Early Candlelight" by Maud Hart Lovelace. It was a hard read for me. Also, a summary of
1. 1 answer
2. asked by Kelsi
3. 441 views
What is the influence of television commercials on American culture? If you could do something about TV commercials what would
1. 2 answers
2. asked by tiffany
3. 438 views
In Area O, there will be more savers than spenders. Old people have usually accumulated more wealth and usually tend to have it
1. 0 answers
2. asked by Anonymous
3. 438 views
What are the ways in which the human problem impacts on the community
1. 1 answer
2. asked by Laurian
3. 437 views
Introducing organized sports among young children is not recommended because?A.this excludes the teacher or caregiver from a
1. 2 answers
2. asked by Heather
3. 432 views
I could use some help on this please.Write a linear function that satisfies the given conditions: h(-1) = 4, h(0) = -5 Thanks!!!
1. 1 answer
2. asked by Kate
3. 428 views
I am studying for exams and need help with one of my review problems.A paraellogram has sides of lenghts 12 cm and 20 cm. If the
1. 0 answers
2. asked by Mary
3. 423 views
How do I name the quadrand in which angle thada may lie if sec thada > 0 and tan thada > 0?
1. 1 answer
2. asked by Nathan
3. 422 views
if the mass of a copper wire before an experiment wieghed 2.82 grams then after it wieghed 2.57 grams. what is the mass of
1. 1 answer
2. asked by Cassie
3. 419 views

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