Friday
October 28, 2016

# Posts by Casey

Total # Posts: 699

CHEMISTRY
When 0.668 L of Ar at 1.20 atm and 227°C is mixed with 0.258 L of O2 at 501 torr and 127°C in a 400 mL flask at 27°C, what is the pressure in the flask? Pressure is given for both, am I supposed to use v1p1/t1 = v2p2/t2? Some reason this really doesn't make ...
July 5, 2010

Chemistry
Thankyou, that helped so much.
July 2, 2010

Chemistry
I am having a horrible time with Enthalpy change. I understand how to find specific heat I believe, but the heat capacity of the vessel is given as 10 J/K. My problem is that my professor did not show us how to work this type of problem, and I desperately need help with it. ...
July 2, 2010

Chemistry
My mind is bleeding again. I am trying to figure out the molarity of acetic acid in Vinegar. We used a standard solution of .613 Molars of NaOH. We added 33.75mL of NaOH to completely titrate/neutralize 25mL of Vinegar and we're supposed to be able to figure out the ...
June 22, 2010

Chemistry
Thankyou soooo much! I really appreciate your help
June 17, 2010

Chemistry
What volume of 0.300 M Na3PO4 is required to precipitate all the lead(II) ions from 140.0 mL of 0.400 M Pb(NO3)2? I desperately need help with this, I cannot figure it out, my mind is bleeding.
June 17, 2010

physics
Monochromatic light with a wavelength of 5.0 E -7 meter passes through two narrow slits, producing an interference pattern on a screen 3.0 meters away. The first order bright band lines 2.0 E -2 meters away from the central bright maxima. What is the distance between the slits?
June 10, 2010

physics
A ball at the top of its drop has 15 J of potential energy, neglecting air resistance, what is the kinetic energy at the bottom of the drop? What is the velocity?
June 1, 2010

physics
what is equilibrium temperature?
June 1, 2010

Marketing
I'm afraid nothing returned that was useful to me, but thanks for the suggestion.
May 28, 2010

Marketing
May 28, 2010

math
When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in ft/sec and “k” is the initial height in feet (as ...
May 5, 2010

math
When a ball is thrown up into the air, it makes the shape of a parabola. The equation S= -16t^2 + v*t + k gives the height of the ball at any time, t in seconds, where “v” is the initial velocity (speed) in ft/sec and “k” is the initial height in feet (as ...
May 5, 2010

English
I have a question. I wrote a research paper and used MLA. I referenced from a book three different times in my paper. When I do my work cited page in the end, how do I go about the page numbers?
May 1, 2010

English
I have a question. I wrote a research paper and used MLA. I referenced from a book three different times in my paper. When I do my work cited page in the end, how do I go about the page numbers?
May 1, 2010

math
4(4x - 3y) + 2(5x - 2y)
April 13, 2010

Math
How do you study for math???
March 7, 2010

Social studies
How?????????
March 7, 2010

Social studies
How do I get a D if F to a B or A
March 7, 2010

Math
Why don't you use the conversions I told you: 1 liters = 1000 milliliters so 4,200 milliliters = 4.2 liters (0.2 liters = 200 mL)
March 4, 2010

french
More or less
March 4, 2010

math
When a line intersects another forming a 90 degree/ right angle.
March 4, 2010

Math
1 liters = 1000 milliliters so 4,200 milliliters = 4.2 liters
March 4, 2010

physics
Work = Force x Distance 115 x 15 = 1,725 20 x 10 = 200 Obviously pushing 115 N over 15 m
March 4, 2010

Math
Take an odd digit and use it exactly three times, so that the three digits are equal in value to an even number. ADDITION, SUBTRACTION, MULTIPLICATION AND DIVISION CANNOT BE USED! Can you please help me!
March 4, 2010

What I'd advise is to balance the equation. What you do on one side of the equal sign, do it on the other. 9/2m-8= -5.5 + 4m 9/2m = 4 1/2m 4 1/2m -8= -5.5 + 4m Add 8 on both sides 4 1/2m = 2.5 + 4m Subtract 4m on both sides 1/2m = 2.5 Multiply 2 on both sides m=5
March 4, 2010

American history
At the Philadelphia (Constitutional) Convention, what do you see as the general goal of the majority of the delegates? Did the nationallist (central govenrment) theme proposed by James Madison make more sense than the old Confederation govenrment?
February 27, 2010

math
find the diameter of a circle if the circumference is 8cm round to the nearest tenth
January 21, 2010

Organic Chemistry
Explain why methanol and acetone are not suitable solvents for extracting organic compounds from aqueous solutions.
January 21, 2010

algebra
What are the three ways to put numbers in expanded form?
January 19, 2010

HSM210
d. testimonial—quoting or paraphrasing an authority or celebrity to support one’s own viewpoint for #10
January 19, 2010

accounting
How to find debt ratio
December 20, 2009

college comprehensive grammar checkpoint
thanks so much. I really appreciate it.
December 8, 2009

college comprehensive grammar checkpoint
Did you know a famous animal-rights activist has criticized horseracing because of the dangers involved? 1b. Did you know a famous animal-rights activist have criticized horseracing because of the dangers involved? Subject-verb agreement 2a. Peer editing academic papers ...
December 8, 2009

Math
The values of outstanding bonds change whenever the going rate of interest changes. In general, short-term interest rates are more volatile than long-term interest rates. Therefore, short-term bond prices are more sensitive to interest rate changes than are long-term bond ...
November 13, 2009

It means quickly or swiftly
November 9, 2009

Chemistry
Which pair of molecules has the strongest dipole-dipole interactions? a- CO2 and CO2 b- CO2 and CH4 c- NH3 and NH3 d- NH3 and CH4 e- CH4 and CH4 Would it be C?
November 8, 2009

Chemistry
Which pair of molecules has the strongest dipole-dipole interactions? a- CO2 and CO2 b- CO2 and CH4 c- NH3 and NH3 d- NH3 and CH4 e- CH4 and CH4 how do you figure out the answer to this question?
November 8, 2009

calc
Let g(s)=1/(s-2)on the interval (0,1). Find the absolute maximum and absolute minimum of g(s) on this interval
November 5, 2009

calc
let f(x)= -x^2 +3x on the interval [1,3] . Find the absolute maximum and absolute minimum of f(x) on this interval
November 5, 2009

anatomy
when estrogen level drops; the body's ability to regenerate the bones is reduced because the bone cell breakers are uncontrolled.
November 2, 2009

Number patterns
What is the number pattern between the following numbers. and why arranged this way 8 5 4 1 7 6 3 2 0
November 2, 2009

Math
3x-7=5x+13, what is x?
October 14, 2009

Physics
a slide loving pig slides down a certain 45° slide in twice the time it would take to slide down a frictionless 45° slide. What is the coefficient of kinetic friction between the pig and the slide?
October 8, 2009

physics
you misspelled properly. nice.
October 7, 2009

To Mrs.Sue
Thanks that helped alot i figured the answer and it was caverns.
September 29, 2009

Over time acids in ground water can result in the formation of karst topography, such as ___________ which i figured was sinkholes, _________________ which i figured was caves, and the last one i really don't know? _________________ Thanks- Casey
September 29, 2009

a hypothesis is a possible explanation based on research and observation.
September 27, 2009

science
What does factors mean?
September 8, 2009

science
which is soil better for wind erosion? gravel or humus
September 8, 2009

Science
Draw the Lewis structure for N2H2, a neutral molecule.
September 7, 2009

algebra 1
Blue prints allow an area of 20,000 square feet for the playground. the width of the rectangular playground is 80 feet less than its length and its perimeter is 640 freet. what is the length of the playground?
September 3, 2009

bio/science
that is what I was thinking as well.
August 30, 2009

bio/science
Which of the following would be the best advice for the farmerof this land: h t t p ://tinypic. c o m /r/smydsg/3 (take out spaces) a. replace your current crop with a potato crop b. replace your current crop with a corn crop c. replace your current crop with an asparagus crop...
August 30, 2009

science
I don't understand how you can tell that E is eating A. I thought A would be eating E?
August 30, 2009

science
h t t p: / / tinypic . co m/r/f2vw1w/3 In the link above (take out the spaces) there is supposed to be a picture representing a foodweb. 1. Which letter is the producer? Is it A? 2. I'm not sure what B and C would represent? A. producer B. primary consumer C. Secondary ...
August 30, 2009

science
is it zooplankton and sea anemone? if not, my second guess is zebra and wild horse
August 30, 2009

biology
most of the total mass of a plant comesfrom which source? Nitrogen Oxygen Carbon Dioxide Water Hydrogen Is is carbon dioxide?
August 30, 2009

Trig problem
What is a coterminal angle with 170 degrees?
August 14, 2009

Maths
Sorry, I'm still a bit confused. Do I just divide 4400 by 360?
August 14, 2009

chemistry
how do i d
May 25, 2009

What feature of light energy makes it different from other kinds of energy?
April 21, 2009

In "Beef Flat"... in comparison to "B Flat" Ha Ha Ha.
April 1, 2009

Math
Evaluate the series. 9 ‡” log(k+1/k) k=4
March 15, 2009

science
i need help writing up the discussion for a science experiment. I need to know what to include and say in it.
March 2, 2009

chemistry acids and bases
which solution is potentially more hazardous to your eyes: .1M HCl or .1M NaOH? Why? are they equally hazardous since one is an extremely strong acid and one is an extremely strong base?
February 19, 2009

algebra
I have to come up with examples of how to factor a trinomial; factoring with !=a and I have no idea what that even means. Can anyone explain or give me an example? It'd really be appreciated :)
February 9, 2009

To Victim of Stupidity's Algebra Systems with Subs
How do you make that a matrix in the form of [1 0 A] [0 1 B] ? I have a system, but i missed the lessons on all that matrix stuff. If you could tell me how to make one too, that'd be great.(you were the first person with that i found with a solved system so yeah)
January 25, 2009

history
for 1 im not sure for 2 i think its b and for 3 its c
January 19, 2009

US History
i would say the USS Maine because it had to do with Spanish Relations
January 19, 2009

social studies; AP US
President McKinley justified American acquisition of the Philippines primarily by emphasizing that a. the Filipinos wanted to be annexed by the United States b. the electoral success of the Republican party depended on their acquisition c. there was no acceptable alternative ...
January 19, 2009

social studies; AP US
Which of the following is most opposed to the concept of imperialism? a. the Northwest Ordinance b. The Treat of Paris, 1898 c. the writings of Alfred Thayer Mahan d. dollar diplomacy e. Manifest Destiny I think that its A but im not sure
January 19, 2009

social studies; AP US
the New Manifest Destiny of the 1890's came about because of all the following reasons EXCEPT a. the competition with European Powers b. Alfred Thayer Mahan's "The Influence of Seapower Upon History" c. Rudyard Kipling's ideas d. William Jennings Bryan&#...
January 19, 2009

social studies; AP US
so it would be C?
January 19, 2009

social studies; AP US
The Spanish War of 1898 did the following, EXCEPT ONE a. improved relations with Germany b. ended spanish rule in the Americas c. hastened the annexation of Hawaii d. improved relations with england i think that it is B but i have no idea really
January 19, 2009

social studies; AP US
The Filipino insurrection led by the Aquinaldo was the result of a. the senate vote ratifying the Treaty of Paris ending the Spanish-American war b. the extension of American military occupation of Manila to the entire archipelago c. the anti-war and anti-imperialists league&#...
January 19, 2009

social studies; AP US
the main reason why the United States had few foreign investments before 1890 was that a. the american people did not believe in imperialism b. congress had prohibited all loans to foreign countries c. the development of the west offered a profitable field for the investment ...
January 19, 2009

biology
can someone better explain to me what the independent/manipulated variable is in an experiment. also, i am not clear on what the dependent/responding variable is. please help
January 12, 2009

Math!!!
simply divide so that the x is by itself on one side of the equal sign. example: 45=15x x=3
January 11, 2009

ENGLISH
ok...what about this: My mother gave me the intimation that I would be able drive to school if the weather was good; though, she didn't tell that to me directly, it was hidden under her words.
January 11, 2009

ENGLISH
my dictionary said to announce or notify. what if i said: The intimation from Billy's mood made Susy think he was mad at her.
January 11, 2009

ENGLISH
no, intimation is the word
January 11, 2009

ENGLISH
could someone tell me if i used intimation in the following sentence correctly: The intimation that came over the loudspeaker reminded the students of the upcoming dance.
January 11, 2009

Physics/Chemistry
1 L of 20 degrees C water is mixed with 4 L of 40 degrees celcius water. What will be the temp of this mixture? the only thing i know is like V/T = V/T but im not sure how it relates to this problem, if at all.
January 11, 2009

BIOLOGY
what are other sciences that might provide information that is useful to biologists? i have not been able to find any internet websites that are helpful
January 8, 2009

ENGLISH
our assignment for homework was to take a nursery rhyme and make it a different point of view. in order to do that we were allowed to add in phrases to the rhyme any place we thought would sound good. so i took Little Miss Muffet and tried to make it limited omniscient. would ...
January 7, 2009

ENGLISH
would saying she felt hungry be limited omniscient?
January 7, 2009

ENGLISH
our assignment for homework was to take a nursery rhyme and make it a different point of view. in order to do that we were allowed to add in phrases to the rhyme any place we thought would sound good. so i took Little Miss Muffet and tried to make it limited omniscient. could ...
January 7, 2009

ENGLISH
ok, well that helped a little. our assignment for homework was to take a nursery rhyme and make it a different point of view. in order to do that we were allowed to add in phrases to the rhyme any place we thought would sound good. so i took Little Miss Muffet and tried to ...
January 7, 2009

ENGLISH
can anybody give me an example of limited omniscient. i already know that it is where you can hear the thoughts of one of the characters but i would just like an example in a sentence. please and thank you
January 7, 2009

Math
since you can't find the square of 8 you look inside that number to see what other numbers can be squared. For instance, 8 is divisible by 2 and 4. You can find the square root of 4. That is the first step. Now on n^3 you simply put it in terms that are divisible by 2. so ...
January 7, 2009

English
Charlie was the character in the book that the essay was about. The essay is about the differences in how people were treated before the 1960's. They were isolated and they weren't educated in the public school system. These things all relate back to the character in ...
December 13, 2008

English
I am having trouble with a thesis statement for an essay I did for Flower for Algernon. My teacher wants a thesis statement at the end of this intro. In the past few decades, man things have changed for mentally retarded people. In the past, a mentatlly retarded person was ...
December 13, 2008

Science
Why do some minerals have large, defined crystal faces, while others are not visible?
November 21, 2008

social studies
Andrew Jackson believed that the US needed to a. create a totally egalitarian society b. challenge the power of the eastern elites c. put an end to the existence of slavery d, strengthen the power of the federal government. i remember reading that jackson did not advocate ...
November 9, 2008

social studies
The following, except one, were reasons for the flood of immigrants in the 1840's: a. "American letters" b. a desire to retain the religion of their fathers c. speedy shipping d. the collapse of the Continental revolutions i'm pretty sure the answer is b. By ...
November 9, 2008

geometry
ok thank you so much. that is what i thought but i was thinking too much into it...again :)
October 6, 2008

geometry
can one tell if two triangles are congruent if they are given only the angles and all of them are congruent to one another? (Example below) triangle ABC and triangle DEF with angle A congruent to angle D, angle B congruent to angle E, and angle C congruent to angle F
October 6, 2008

math
definitions: RANGE:difference between the greatest and least number in the data MODE: the number that occurs the most in the data MEDIAN: the middle number in the set of data ordered least to greatest (if two numbers are in the middle then you must add the two and then divide ...
October 6, 2008

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