Friday
August 29, 2014

Posts by Christina


Total # Posts: 834

Science
What are some examples of precipitate? Definition: an insoluble solid formed in a liquid solution as a result of some chemical reactions
April 18, 2010

Science
Whats an example of product? Definition: the substances produced in a chemical reaction
April 18, 2010

math
i think it is : 25c sqaured-5c-45c+9 25c squared-50c+9
April 18, 2010

math
NOO PROBLEM SOO MUCH :D
April 7, 2010

math
4(9.75h-3)=150 39h-12=150 39h=138 39h/39=138/39 3.6 when rounded
April 7, 2010

English
Is this a good sentence using the words: Procure: to get possession of; achieve If you study hard you will procure good grades. Beguile: to lead by deception; divert The dog beguiled the thief's attention away from the cowering people towards him. Truce: a suspension of ...
April 7, 2010

English
Is this a good sentence using the words: affliction: the cause of persistent pain or distress I was afflicted by grief after my cousins death. Digress: to turn aside especially from the main subject of attention or course of argument While discussing the bills the husband ...
April 7, 2010

math
i got a 5x-2(7x+1)=14x 5x-14x-2=14x -9x-2=14x
April 7, 2010

Chemistry
The Cu2+ ion can be separated from Ag+, Ca2+, and K+ in aqueous solution by 1. precipitation of Cu2+ as Cu(OH)2(s) with 6 M NaOH(aq). 2. precipitation of Ag+, Ca2+, and K+ as the carbonates. 3. None of these procedures will separate Cu2+ from the other ions. 4. precipitation ...
April 5, 2010

algebra 1
what
March 31, 2010

algebra 1
how can you solved this problem-3n squared+5n-2=0 using discriminant and to know if it is 1 or sol
March 31, 2010

Chemistry
i cant understand please elaborate
March 30, 2010

College chemistry
never mind. I think I got it. Do we just convert that to grams of H2 then divide it by the grams of alloy from the reaction?
March 30, 2010

College chemistry
I got 0.997atm(0.1035L)=n(0.0821)(295.35k) n=0.0043 mol of H2 How would you calculate N H2, the number of moles of hydrogen gas per gram of alloy?
March 30, 2010

Science
What is sodium perborate bleach?
March 28, 2010

Science
What is insulating fiberglass?
March 28, 2010

ALGEBRA
if the answer is negative it has no real # of solutions; if it is positive it has 2 real # of solutions; if its 0 it means 1
March 28, 2010

Ethics
Describe Hobbes' account of man's action and how it fits into his ethical system.
March 25, 2010

Ethics
Why is the discussion of the problem of evil important to augustine's ethic?
March 25, 2010

3rd grade
16 divided 4 can help u find the answer 160 divided because 61/4=4 and u just add a 0 so its 40
March 24, 2010

try this
yours was more easier to under stand
March 24, 2010

try this
thank u so much miss sue sorry to bother u
March 24, 2010

try this
i have to write a three sentences about my family, using irregular verbs and i do not know what to write or what irregular verbs are
March 24, 2010

help
what's a sentence for glisten and tomb
March 24, 2010

Physics
Calculate the specific heat of a metallic element if 314 joules of energy are needed to raise a 50.0 g sample from 25 to 50 degress C ? :)
March 21, 2010

art
what can i draw stephanie in pat and stan pl.. help me
March 21, 2010

Science
Thank you guys. This was very helpful
March 19, 2010

Science
How does a doctor diagnose the flu? What tests are performed? What samples need to be taken?
March 19, 2010

algebra
f(x)=4x what is relative maxima and minima
March 6, 2010

science
What animal eats lions? What animal eats tigers? What animals eats wolves?
March 3, 2010

science
thank you. do you know what would eat lions or tigers?
March 3, 2010

science
where do scavengers go on the food web/ food chain? like on the top or botttom orr?
March 3, 2010

chemistry
given the reactant amounts specified in each chemical eguation, determine the limiting reactant in each case: a. HCL+NaOH->NaCl+H2O 2.0 mole of HCl 2.5 mole NaOH b. Zn+2HCl->ZnCl2+H2 2.5 mole Zn 6.o mole HCl c. 2Fe(OH)3+3H2SO4->Fe2(SO4)3+6H2O 4.0 mole Fe(OH)3 6.5 mole...
March 3, 2010

Math
draw it. Start at 0, then + 9 for Kim. +13 for jack, and + 6 for Bob. Contuine you this till you find where they meet
February 27, 2010

spanish
yes! thank you. what about there, far away, here, and close or near.
February 27, 2010

spanish
el ______ esta en la calle cortes. can someone give me a list of all the dierctions translated?
February 27, 2010

math
Ernie is slats: 6'6" Bill is stretch: 6'5" Oscar is Tiny: 6'3" Sammy is Tree: 6'1" Tony is Tower: 6' hope this helps
February 24, 2010

algebra
hi
February 22, 2010

algebra 1
2g-3h=0 3g-2h=5
February 22, 2010

Physics
Thanks!
February 11, 2010

Physics
Another question :) At the top of its drop hill, a 1,000 kg roller coaster has 200,000 J of total energy. If the top of the next hill is 13 meters, what is the kinetic energy of the roller coaster on this hill? Thanks
February 11, 2010

Intro to Physics
A boulder has 300 J of potential energy sitting on the edge of a cliff. What is the boulder's kinetic energy as it hits the ground?
February 11, 2010

college
If a single bacteria divides in half every 20 min. how many would you have after 42 hours?
February 6, 2010

health unit
I have to develop a lesson plan for a health unit on "What Makes Us Grow" based on a class size of 15 children. I have to include objectives, the time required, materials needed, learning activities, measures for evaluation, and any teacher resource information. ...
February 3, 2010

english
What kind of sentences are these? (simple compound, or complex) 1.The other woman were far off in the field, when we stopped ate the hedge by the side of the road. 2.Then the three of the sisiters in the field appeared, coming toward the road, so the Golden one walked away ...
February 3, 2010

Geometry
6y=8y-7 find the value of y?
February 2, 2010

1st grade
Try looking this up on google.
February 1, 2010

P.E.
You might throw up
February 1, 2010

Math
there are 6 total numbers on a cube. and the numbers 1,and 2 are the only ones that fit the requirments. so it would be 2/6th and then siimplify that. by diving both by two which gets you 1/3rd
February 1, 2010

Science
What is the affect on daily life though? lik what do they have to do extra none of these website give enought information on that.
February 1, 2010

Science
How does having William's Syndrome have a impact on peoples daily life? I cant find anything on Williams syndrome. i found down syndrome but i dont want that. please help
February 1, 2010

biology
How do autosomes differ from sex chromosomes?
January 30, 2010

biology
How do autosomes differ from sex chromosomes?
January 30, 2010

biology
Why would it be more difficult to work with chromosomes that are unsained, rather than stained chromosomes, the banding is the result of the stain?
January 29, 2010

biology
Why would it be more difficult to work with chromosomes that are unsained, rather than stained chromosomes, the banding is the result of the stain?
January 29, 2010

biology
Thank you!
January 29, 2010

biology
What is the benefit of working with an enlarged photograph of the chromosomes instead of the chromosomes themselves?
January 29, 2010

geography
Latin America has a higher population overall, and per a sq. mile. They have a larger landmass and more than double the population of the U.S.
January 25, 2010

geography
Its from my textbook so i have to go by this data.
January 25, 2010

geography
landmass: latin america: 7,941,950 sq. mi usa: 3,165,630 sq. mi Population: Latin america: 517,385,900 usa:281,422,000
January 25, 2010

geography
compare latin america's landmass and population to those of the united states. Based on that data, how might the overall population densities of the two compare?
January 25, 2010

geography
how are the andes of south america similar in location to the rocky mts.?
January 25, 2010

geography
which ethnic group consumes the most coffee per capita? i cant find it
January 21, 2010

Principles of Accounting
you are required to enter up the following tr
January 21, 2010

science
its not a paper i just need to answer it in one or two sentences. I dont really understand the question
January 20, 2010

science
how might research that demonstrates a genetic basis for some aspects of human behavior impact society?
January 20, 2010

Geometry
x+d=28 x=d-8 try it from there do you know how to do system of equailets? think of x as one of your diameters and d as the other. plug in the second equation to the top one lik this: (d-8)+d=28 then find x and check it by plugging in the number. hope this helps (:
January 20, 2010

biology
come on help me pleeeeease
January 20, 2010

biology
The offspinf of true-breeding parents are called the: a) F1 generation b) f2 generation c) dominant offspring d) recessive offspring I know its not c or d so that leaves me with a, or b.
January 20, 2010

biology
a gene with two dominant alleles that expressed at the same time is- a) codominant b) mutational c) incompletely dominant d) polygenic I know its not c
January 20, 2010

biology
The offspinf of true-breeding parents are called the: a) F1 generation b) f2 generation c) dominant offspring d) recessive offspring I know its not c or d so that leaves me with a, or b.
January 20, 2010

algebra
53.27 plus 30% is what
January 15, 2010

Algebra
Sally's collection of quarters and dimes contains $32.85. There are 171 coins in all. How many quarters and dimes are in Sally's collection? Can you show me the two equations you got and explain -Thanks
January 12, 2010

world geography
How have cultural differences in Europe caused conflict?
January 11, 2010

spanish
urlm.in/dxwg copy and paste it to your URL and USE THIS LINK NOT THE OTHER ONE.
January 10, 2010

spanish
urlm.in/dxwf
January 10, 2010

spanish
Estos pantalones son de algodo y _ son de tela sintetica. fill in the blank Heres the word bank: (check comments)
January 10, 2010

11 grade Lit.
Did Mr. Smooth-it-away in The Celestial Raidroad decieve someone?
January 6, 2010

chemistry
Here is some information that might help you.... Effects of stress Temperature Increase exothermic.......shift to left endothermic......shift to right Temperature Decrease exothermic.......shift to right endothermic......shift to left Pressure change (only for unequal numbers ...
January 5, 2010

chemistry
what are carbon chains that are between twelve and twenty carbon atoms long?
January 5, 2010

chemistry
What are compounds that have the same molecular formula but different structural formulas called?
January 5, 2010

chemistry
What is the longest possible continuous corbon chain in the compound 3,5,5-trimethyloctane? 10, 9, 8,or 6 carbons?
January 5, 2010

chemistry
The mineral CaF2 has a solubility of 2.1 x 10^-4 M. What is the Ksp of CaF2? a. 1.85x10^-11 b. 9.3x10^-12 c. 3.7x10^-11 d. 8.8x10^-3
January 4, 2010

chemistry
the solubility product expression for BiS3 is Ksp= a.[Bi2^3][S3^2-]. b. [Bi^3+][S^2-]. c. [Bi^3+]^2 [S^2-]^3 d. none of these
January 4, 2010

social studies
The salesperson in medication ads dresses to look like a doctor because of what? 1. she has tested the product directly 2. the product was developed by physicians 3. FCC regulations demand this 4. the salesperson’s credibility is enhanced
December 20, 2009

english
i tried that but i can't find HOW it's choosen or anything/
December 16, 2009

english
PW Best Book of The Year describe this award. Like what kind of books get this? how is it chosen? what other famous books have won this award.
December 16, 2009

spelling
large or big
December 16, 2009

science
you can produce a sound by plucking a string or blowing in a pipe. how is this alike? how is this different?
December 15, 2009

math
is there a picture to go with it?
December 14, 2009

SS
is the EU considered a nation?
December 14, 2009

social studies
How has Europe been shaped by its physical geography? i put: By it's lesiure and transporation, and????????? trading mabye?
December 14, 2009

social studies
beacuse there ecomony is stronger and less wars but, i need one more reason.
December 14, 2009

social studies
How does europe unifing make them a overall stronger continent?
December 14, 2009

social studies
how does Europe unifing as one help have less wars? i know one because they wouldnt fight against them selves
December 14, 2009

social studies
oh, thanks please help with the other ones.
December 14, 2009

social studies
how does europe unifing as one help the ecomony? i know cuz we they have one currency the euro. i need 2 more.
December 14, 2009

science
for an example a strand of DNA could be GAT ACG TAG CAT CAA GGA GAC CCC TTA and match up the strands but remember no thymine in RNA it's only urical
December 14, 2009

english/ world geo.
what's wrong with are?
December 14, 2009

english/ world geo.
I spelled that wrong by accident i can't find any more mistakes 4 left.
December 14, 2009

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