Questions Asked on February 13, 2008

d) 2Al(s) + Fe2O3(s)  2Fe(l) + Al2O3(s)Oxidation 2Al(s)  2Al+ + 2e- Reduction Fe23+ + 3e-  2Fe(l) Oxidation numbers for
1. 1 answer
2. asked by Alex
3. 5,069 views
what happens to a helium balloon if you take it from a warm house to outside on a snowy day? Could you classify this change as a
1. 2 answers
2. asked by Kay
3. 3,561 views
I'm so confused!Al + O2 -> Al2O3 This is supposed to be a balanced equations but how did it go from 2 oxygens to 3?
1. 4 answers
2. asked by Jessica
3. 3,056 views
A 1/2 inch drill bit is too large for a job, while a 3/8 inch bit is too small. What size bit should be tried next?7/16 *** 5/16
1. 1 answer
2. asked by Mike
3. 2,974 views
why are volumes not additive?
1. 1 answer
2. asked by jina
3. 2,637 views
you spend $13 to rent five movies for the weekend. since new releases rent for $3 and regular movies rent for $2, how many
1. 2 answers
2. asked by aneme
3. 2,402 views
A closed box is filled with dry ice at a temperature of -78.5 degree C, while the outside temperature is 21.0 degree C. The box
1. 1 answer
2. asked by Mirenda
3. 2,376 views
When a quadratic equation has one solution, there will be one x-intercept; when there are two solutions, there will be two
1. 2 answers
2. asked by Marysvoice
3. 1,928 views
how do you use the substitution method to solve the linear system?-2x-5y=7 7x=y=-8
1. 4 answers
2. asked by aneme
3. 1,572 views
On 's birthday, his brother Harry is seventeen years youngerthan three times 's age. The boys father, Tom, is twelve years older
1. 1 answer
2. asked by Jas
3. 1,497 views
Find the values of x between (or equal to) 0 and 360 degrees to satisfy each equation.arcsin1/2=x I got 30 degrees as one angle,
1. 4 answers
2. asked by George
3. 1,411 views
Which of the following sentences has a dangling modifier?1 - When the storm began to abate, we went home. 2 - By the light of
1. 2 answers
2. asked by Sarah
3. 1,380 views
Sentence (i) has been shortened in sentence (ii) by using a(n)(i) She likes a location that is in the sun. (ii) She likes a
1. 2 answers
2. asked by Sarah
3. 1,331 views
Whats the balanced net ionic equation for Chlorine reduced by Bromine?
1. 5 answers
2. asked by Jason
3. 1,286 views
1) A car traveling at 22m/s decelerates at a constant 1.5m/s^2. Calculate the time it takes to stop.I first calculated the
1. 1 answer
2. asked by Alex
3. 1,279 views
The floor areas of a living room on a house plan measures 3 1/2 inches by 4 5/8 inches. If the scale is 1/4 inch = 1 foot, find
1. 2 answers
2. asked by Mike
3. 1,223 views
i am trying to write a paper on Frankenstein. the question is "Is Frankenstein a work of science fiction?"....i have to write a
1. 7 answers
2. asked by Anonymous
3. 1,199 views
Cathy and Judy bought some postcard packets.altogether there were 48 cards.Cathy bought three packets with 8 cards each.The
1. 5 answers
2. asked by Miranda
3. 1,182 views
Does anyone know of any sites that make learning to balance equations easy? I just transferred to a new school and the chemistry
1. 1 answer
2. asked by Jessica
3. 1,167 views
A cave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. The lift
1. 1 answer
2. asked by dawn
3. 1,150 views
What were the indegenous people of Peru called? All I know is that they were not called the Incas.
1. 4 answers
2. asked by astrid
3. 1,147 views
1.choose the sentence in which pronouns are used correctly.a.just between you and I,I am not impressed by our new manager.b.Be
1. 2 answers
2. asked by kumud
3. 1,080 views
I have six questions which will be on a test two weeks from now, and I do not understand. Help me find out these theorems for
1. 1 answer
2. asked by mhaidar9108
3. 1,067 views
Given the vectors:u = [3, 0] v = [-1, 2] a) Express the vector w = [2, 8] as a linear combination of vectors u and v. How do I
1. 2 answers
2. asked by Anonymous
3. 1,045 views
The solubility of CaCO3 at 25 degrees celsius is 6.90*10-5M. The reaction is CaCO3(s)-->Ca 2+(aq) + CO3 2-(aq)<-- a. Calculate
1. 1 answer
2. asked by Sophia
3. 1,038 views
1)Find cos theta if sin theta=3/5 and 90 degrees<theta<180 degrees.A)4/5 B)-4/5 C)square root of 34/5 D)-square root of 34/5 I
1. 5 answers
2. asked by Jon
3. 997 views
use the substitution method to solve the linear system.9x+6y=3 3x-7y=-26 please show me an example of how to do it.
1. 4 answers
2. asked by aneme
3. 977 views
A horizontal force of magnitude 22 N is applied to a 3.0 kg book as the book slides a distance d = 0.5 m up a frictionless ramp
1. 1 answer
2. asked by dawn
3. 972 views
What does pd. stand for other than pound??? please answer soon!!!
1. 2 answers
2. asked by SantaRitaSchoolGuy
3. 914 views
What is the political situation on these two groups the Mexican Americans and Puerto Ricans in the United States ?
1. 1 answer
2. asked by jc
3. 905 views
graph and check to solve the linear system. problem: 2x-3y=-3x+6y=6
1. 2 answers
2. asked by aneme
3. 893 views
Three blocks are located on a horizontal table. The coefficient of kinetic friction between the blocks and the table is 0.276.
1. 3 answers
2. asked by shelby
3. 889 views
Which subatomic particles significantly contribute to an atom's mass? I think a proton does, but I'm not totally sure.
1. 1 answer
2. asked by Emily
3. 868 views
Vanna Red sells the vowels a, e, i, o, and u each for a differentprice but less than $250. Consonants are free. You must pay
1. 1 answer
2. asked by Jas
3. 867 views
Find the LCM15b^3a^3, 5b^8,a^2, 6b^2a^6
1. 1 answer
2. asked by becky
3. 840 views
how are glucose molecules moved into a cell?
1. 1 answer
2. asked by breana
3. 828 views
find all zeros of the function.f(x) = x^3-10x^2+33x-34 I found 2, using my calculator. What do i do after that?
1. 3 answers
2. asked by Miley
3. 809 views
1.Find the greatest common factor in this problem.12a3b2, 18a2b3, 6a4b4 2.Factor each of the following polynomials. 4s _ 6st _
1. 1 answer
2. asked by JANE
3. 770 views
Can you help me edit this thesis statement?During the postmodern literary period C.S. Lewis illumines his newfound religious
1. 8 answers
2. asked by Rachael
3. 724 views
hi!im having some problems with my word problem. Ann regularly swam .4 km in 20 min at the school pool. Swimming in a river
1. 2 answers
2. asked by jason
3. 711 views
What is the name of the common error in the following sentence?-Having risen because of the rains, the hikers were unable to
1. 4 answers
2. asked by Sarah
3. 705 views
find the resultant of each pair of forces acting on an objecta) forces of 7N east and 12N west b) forces of 7N east and 12N
1. 2 answers
2. asked by mel
3. 698 views
Your high school softball team has won ten games and lost fivegames. To get into the playoffs, your team must win at least 80%
1. 1 answer
2. asked by Jas
3. 695 views
How does modernization manifest itself in U.S. society? Use one of the modern theorists introduced in Ch. 16 as a basis for your
1. 2 answers
2. asked by TINA
3. 689 views
Cecil has a mysterious money machine that will double any amount of money placed in it and add $5.00 to the doubled amount.
1. 1 answer
2. asked by Miranda
3. 679 views
At a picnic, a Styrofoam cup contains lemonade and ice at 0 degree C. The thickness of the cup is 2.0*10^-3m, and the area is
1. 2 answers
2. asked by Serena
3. 676 views
i have written an argument paragraph, but my grammar is bad. so can someone tell me how to proofread my paragraph. thxThe issue
1. 2 answers
2. asked by jessie
3. 672 views
My assignment is to write a newspaper article for a British coloum in summer of the year 1914 when world war one just began. I
1. 2 answers
2. asked by Carrie
3. 671 views
Fiedler asserts that leader behavior is inflexible and cannot be readily changed.Do you agree or disagree with this assertion?
1. 5 answers
2. asked by susie
3. 661 views
I know how to graph polynomial functions, but i'm having a hard time getting the second point on this one.f(x)=x(x-1)(x+2)(x+2).
1. 3 answers
2. asked by Miley
3. 653 views
There are 61 known moons. Mercury and Venus do not have moons, but each of the 7 other planets has at least 1. How do I find the
1. 3 answers
2. asked by Spence
3. 649 views
How can Nitrogen and oxygen form nitrogen dioxide if both nitrogen and oxygen have a negative charge?
1. 1 answer
2. asked by Kelsey
3. 627 views
Look at the sun which is shining brightly in the middle of the sky.A dog is running on the field. There are three trees in this
1. 1 answer
2. asked by John
3. 625 views
I have to write a paper for my financial management for human service administrators class about a community foundation. Can
1. 1 answer
2. asked by Jess
3. 624 views
Can someone break down the basic components of managerial economics to me. I have having a really tough time with this class.
1. 1 answer
2. asked by jean
3. 620 views
I am trying to find a connection between Invisible man by Ralph Ellison and got tell it on the mountain by James Baldwin. The
1. 1 answer
2. asked by laura
3. 615 views
Increasing what variable would decrease the pressure of a contained gas?
1. 1 answer
2. asked by Austin
3. 614 views
O Rose thou art sickthe invisible worm. that flies in the night in the howling storm: has found out they bed of crimson joy: and
1. 2 answers
2. asked by ***
3. 612 views
how are electronic devices used to process information? come on i'd rather be doing other things pleaseeee answer this question!
1. 1 answer
2. asked by kelvin
3. 588 views
Describe the driving business forces in both the foreign and domestic environment. In what ways do they operate differently?
1. 1 answer
2. asked by Lisa
3. 583 views
please could someone tell what a screenshot is.i need to explain the different sections but ive got no idea where to start. ive
1. 1 answer
2. asked by toby
3. 578 views
I looked in my book and I can't find the answers to these questions! Can anyone help me? :)Question #1: Why do liquids in a
1. 2 answers
2. asked by Miley
3. 574 views
1. a large vertical rectangular plate of glass is to be inserted in the wall of an aquarium underwater so visitors can see into
1. 1 answer
2. asked by student
3. 565 views
What are some things that is like your heart beat...like a clock but the ticking of clock is too slow...like when you are
1. 1 answer
2. asked by Vanessa
3. 557 views
if 20 counters are the whole set,what fraction of the set is 16 counters?
1. 3 answers
2. asked by justin
3. 542 views
I need help w/ a question: Insulin protein has 2 polypeptides A and B. Human and duck insulins have the same sequence except for
1. 0 answers
2. asked by Ginny
3. 542 views
Factor Completely.x^3-6^2+12x-8. I keep getting (x-2)(x^2 +2x+4). But the answer is (x-2)^3. Can someone please help me:)!
1. 3 answers
2. asked by Miley
3. 540 views
-There are 7 girls in a room.-Each girl has 7 backpacks in the room. -In each backpack there are 7 big dogs. -For every big dog,
1. 2 answers
2. asked by Glenn
3. 537 views
Could anybody simply explain how exactly Joseph Thomson discovered that atoms were not "indivisible" and that they were actually
1. 1 answer
2. asked by Maddie
3. 536 views
I need to find the volume of a prism whose base is a hexagon
1. 5 answers
2. asked by Penny
3. 535 views
What are the similarities and differences between profit and profitability?
1. 1 answer
2. asked by greatdanelola
3. 534 views
Find the unit cell (simple, bcc, fcc), type of holes where the smaller ions are found (tetrahedral, octrahedral, cubic), and
1. 1 answer
2. asked by jina
3. 529 views
drbob you helped me with this problem the other day but i have a question.-i changed 500mL of ethanol to grams then to mol. i
1. 2 answers
2. asked by alicia
3. 528 views
1)Find the amplitude of y=6cos4thetaA)3/2 B)6 C)4 D)pi/2 I chose B 2)Find the period of y=tan5theta A)10pi B)2pi/5 C)5pi D)pi/5
1. 3 answers
2. asked by Jon
3. 524 views
What does diction mean? I looked it up but i`m not understanding what i`m suppose to do when the question says how the author
1. 1 answer
2. asked by Lena
3. 501 views
This is for oxidation numbers. I need to know how to show my work.Ex: for NaClO, I have to find the oxidation number for Cl I
1. 3 answers
2. asked by Alex
3. 500 views
A clause from sentence (i) has been turned into a(n) ___ in sentence (ii).(i)Since she knew what the lecture was about, she
1. 3 answers
2. asked by Sarah
3. 491 views
What are examples of when friction can increase an objects Kinetic Energy?
1. 1 answer
2. asked by Mischa
3. 485 views
who is Martin Luther King?
1. 1 answer
2. asked by maria
3. 482 views
i am really confused about how to do comparison questions in history! anyone please tell me how!!!!!
1. 2 answers
2. asked by HHayley
3. 475 views
In what ways does diversity make conflict into a positive result? How can the appreciation and encouragement of people to be
1. 2 answers
2. asked by anonymous
3. 472 views
A: What does he usually do? (Showing a picture in which a boy is getting up.)B: He usually gets up. (The partner answers.) Is
1. 2 answers
2. asked by John
3. 470 views
do skeletal muscle cells have cilia or flagellum
1. 2 answers
2. asked by julie
3. 466 views
Divide and simplify-35+7w / 121w-605 ______ __________ 5 25 I know you invert the second half of the equation to multiply and
1. 2 answers
2. asked by becky
3. 465 views
If the density of a substance is 7.87 g/cubic cm, convert this density to g/cubic inches.
1. 6 answers
2. asked by Lindsay
3. 464 views
Whats one word that means someone that in not knowing something?
1. 2 answers
2. asked by Lena
3. 461 views
how are electronic devices used to process information?
1. 1 answer
2. asked by kelvin
3. 455 views
What is the least positive integer that has exactly thirteenfactors?
1. 0 answers
2. asked by Jas
3. 433 views
x/6-5=1/2x+1/3x-4AHH! help. i need step-by-step. all i know is that the answer is x=1.5 Thanks!
1. 2 answers
2. asked by kate
3. 424 views
what are the differences between Baptists & Catholics?
1. 1 answer
2. asked by Anonymous Chaney
3. 417 views
Add. Simplify if possible.7/9z^3 + 1/21z^3 I came up with 49+3z/63z^3 Is this correct?
1. 2 answers
2. asked by becky
3. 410 views
Solve.8/w = 9/w - 1/2 The solution is:
1. 3 answers
2. asked by becky
3. 409 views
What is the Latin route of conquer???
1. 1 answer
2. asked by SantaRitaSchooGuy
3. 405 views
Was there something happening with women during the 1900s?i`m thinking like they were saying that they could do anything men
1. 2 answers
2. asked by Lena
3. 404 views
i need to label a screenshot but don`t know where to start. i know the name of one which is toolbox but i have looked but can
1. 3 answers
2. asked by lisa
3. 403 views
Does paper contain starch?
1. 1 answer
2. asked by helpee
3. 402 views
What is the tens digit of 0! + 1! + 2! + 3! + ... + 2000!?
1. 1 answer
2. asked by Jas
3. 400 views
when 2 is not equal to zerowhen-2 is not equal to_____
1. 3 answers
2. asked by shoaib
3. 395 views
how to do Plant asset Records
1. 0 answers
2. asked by Ariel
3. 393 views
building on my last question, would the second equation be 3n+2r=5?the 5 is the number of movies rented, and the rest the same
1. 2 answers
2. asked by aneme
3. 386 views

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