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November 24, 2014

Posts by Lauren


Total # Posts: 1,544

Science Fair
never mind
December 11, 2011

Science Fair
which catory is my project is Project Categories Projects are judged by category. Read through the 14 categories listed below and decide which one best fits your project. You will be asked to identify that category on the application form. Behavioral and Social Sciences: Human...
December 11, 2011

Science Fair
ok Thank You!!! :) I hope I win the science fair. I'm going to be doing this every year till my senior year (depends if I fine a science fair topics)
December 11, 2011

Science Fair
I got it How do Junk Food and Healthy effect (or affect, idk) the Human Body? This is mainly about how junk food and healthy effect or affect the human body. Thank You for the site I was just making sure if I got the correct information.
December 11, 2011

Science Fair
I really want to use that topic for the science fair I love science fairs. Btw we don't have that in my school.
December 11, 2011

Science Fair
My friend told me this science fair at Rockland, Rockland Sit Fair and I'm doing my science fair project on about the human body like junk food vs healthy food. What title I should use it for???? Plus can you give me the right information about this. Please Thank You!!!
December 11, 2011

Question
Ok Thank You!!!! :) just a curius question but what is applicants?????????? btw I'm only going 2 collges
December 10, 2011

Question
Tisch School of Arts I mean
December 10, 2011

Math
Do ratio and proporation. 12 OVER 72 AND N OVER 100. And then solve it.
December 10, 2011

Summer Session
a) So I go to this summer session during the summer (after) my junior or senior year????
December 10, 2011

Summer Session
Oh so I do this after I grad. high school and if I get accepted to Yale. Before I go to Yale I go to the Summer Session if I want to for college credit. Because like they said that this program is for grade 11th and 12th grade. And I thought if I partcipted in this program (IF...
December 10, 2011

Summer Session
Oh oook. It's just like John Hopkins like when students apply to John Hopkins University they say like they applied to the John Hopkins Talent Search but it's more different. This summer program is gor grade 11th or 12th graders. I'm taking it at my Junior year and...
December 10, 2011

Summer Session
Do you take Yale Summer Session during High School (for high school students)????????
December 10, 2011

english
i dont know thats why im asking
December 7, 2011

english
is that all the fallicies u see
December 7, 2011

english
which part of these u see is hasty?
December 7, 2011

english
what logical fallicies are these If Jesus Christ were running for the presidency, conservatives would attack him for being a socialist and wanting to help the poor. They would say he is weak on defense and berate him for driving the money changers from the temple. Anyone care ...
December 7, 2011

Algebra
Well, the y intercept is the point at which the value of x=0, so substitute x=0 into your equation to find that. The x intercept is the point at which the value of y=0, so substitute y=0 into your equation. You can find the vertex by converting the equation to vertex form. You...
December 5, 2011

Chemistry
In an esterification reaction, how does one tell when its reached equilibrium? Like what sign could you use to measure the rate at which it gets to equilibrium?
December 4, 2011

Chemistry
In an esterification reaction, how does one tell when its reached equilibrium? Like what sign could you use to measure the rate at which it gets to equilibrium?
December 4, 2011

Math
A gas expands against a constant external pressure of 1.7 bar until its volume has increased from 5.4 L to 8.9 L. During this process it absorbs 640.0 J of heat from the surroundings. Calculate the energy change of the gas.
December 2, 2011

Physics
Carmen and Judi dock a canoe. 83.0-kg Carmen moves forward at 4.3 m/s as she leaves the canoe to step onto the dock. At what speed and in what direction do the canoe and Judi move if their combined mass is 115 kg? (Use a positive number if the canoe moves away from Judi.)
November 30, 2011

physics
The outer edge of a truck tire that has a radius of 50 cm has a velocity of 29 m/s. What is the angular velocity of the tire in rad/s?
November 30, 2011

physics (biomechanics)
briefly explain how an athlete competing in the long jump can prevent the trunk from pitching forward after take-off
November 30, 2011

Chemistry
MgCl2(aq) + 2 NaOH(aq) --> Mg(OH)2(s) + 2 NaCl(aq) How many grams of Mg(OH)2 would form if 50.00 mL of 0.9750M NaOH were combined with 50.00 mL of 0.8820 M MgCl2?
November 26, 2011

Chemistry
MgCl2(aq) + 2 NaOH(aq) --> Mg(OH)2(s) + 2 NaCl(aq) How many grams of Mg(OH)2 would form if 50.00 mL of 0.9750M NaOH were combined with 50.00 mL of 0.8820 M MgCl2?
November 26, 2011

chemistry
How many grams of LiOH would be needed to make a 500.0 mL of 0.340 M LiOH?
November 26, 2011

Chemistry
Complete the table by filling in the formula for the ionic compound formed by each pair of cations and anions, as shown for the first pair. Ion K+ NH+4 Mg2+ Fe3+ Cl- OH- CO3 2- PO3- 4 Complete the fourth row of the table.
November 16, 2011

geometry
Write a two-column proof of Theorem 6-2-3, which is: If a quadrilateral is a parallelogram, then its consecutive angles are supplementary.
November 15, 2011

literary
The snake hissed loudly and attacked the rat. what literary term does this use?
November 14, 2011

trig
Cos(-11/12) use the sum or difference formula to find the exact number
November 13, 2011

Trig
cos(-11pi/12)
November 13, 2011

history
ohh thank you so much i got my answer!! thank you again!
November 13, 2011

history
i need to know how cleopatra had an impact on the roman republic or the roman empire? thank you!
November 13, 2011

Chemistry
How do valence electrons play a part in the physical or chemical charactersitics of an element?
November 11, 2011

chemistry
yes
November 11, 2011

Chemistry
If you had excess chlorine, how many moles of of aluminum chloride could be produced from 20.0 g of aluminum? If you had excess aluminum, how many moles of aluminum chloride could be produced from 25.0 g of chlorine gas Cl2?
November 6, 2011

religion
who wrote about one-fourth of the bible? thanks
November 5, 2011

chemistry
thank you i figured out how to do it right before you posted this :)
November 3, 2011

chemistry
how do you find how many hydrogens there would be in 2,5,6 trimethylnonane?
November 3, 2011

chemistry
how many hydrogens would there be in 2,5,6 trimethylnonane and how do you find them
November 3, 2011

calculus
a closed box with square base is to have a V= 2000in^3. The material for the top and bottom of the box is to cost $3 per square inch and the material for the sides is the cost $1.50 per square inch. If the cost of the material is to be the least, find the dimensions
November 2, 2011

Math
What do you call an angle more than 90 degrees and less than 180 degrees?
October 27, 2011

AP US History
Compare and Contrast the effectiveness of Washington's and Adams' presidencies in obeying and promoting the Constitution during their administrations. So far I have: The main compromises made when writing and ratifying the Constitution were the Three-Fifths Compromise...
October 26, 2011

Physics
A 2.50 mass is pushed against a horizontal spring of force constant 26.0 on a frictionless air table. The spring is attached to the tabletop, and the mass is not attached to the spring in any way. When the spring has been compressed enough to store 15.0 of potential energy in ...
October 21, 2011

statistics
f(y)= (1/c)e^(-y/2) if y is greater than or equal to 0 and f(y)=(1/c)e^(y/2) if y is less than 0 a) What is c? b)What is the probability distribution function?
October 19, 2011

College Algebra
Factor the polynomial by pulling out the GCF 6r^2+12r-15
October 18, 2011

College Algebra
Sorry, I posted in the wrong place :(
October 18, 2011

College Algebra
Factor the polynomials by pulling out the GCF 6r^2+12r-15
October 18, 2011

Physics
Commercial aircrafts usually bank at an angle of no more than 30.0 degrees when turning. At 30.0 degrees of bank, how many g's of lift must the aircraft pull if it is to maintain uniform circular motion without losing altitude?
October 17, 2011

Physics w/ Calc
A baseball approaches home plate at a speed of 43.0 m/s, moving horizontally just before being hit by a bat. The batter hits a pop-up such that after hitting the bat, the baseball is moving at 54.0 m/s straight up. The ball has a mass of 145 g and is in contact with the bat ...
October 16, 2011

chemistry
How many grams of K3PO4 would be needed to prepare a 1.73 M solution in a total volume of 427 mL?
October 12, 2011

chemistry
How many grams of K3PO4 would be needed to prepare a 1.73 M solution in a total volume of 427 mL?
October 12, 2011

4th grade math
what is 2 x what = 14
October 12, 2011

science
Sam weighs 720 N on earth and 120 N on the moon. What does this tell you about the value of gravity on the moon?
October 9, 2011

statistics
100
October 7, 2011

Physics
How would I calculate the speed of a block before it leaves an incline if I have: the height of the incline, h=0.60m the height of the table its on H=0.952m and the distance traveled on the track d= 1.18m ? I have the acceleration calculated as 4.9 which is correct but I don&#...
September 28, 2011

chemistry
Fe2+(aq) + Cr2O7 2- (aq) →Fe3+(aq) + Cr3+(aq) Balance the equation by using oxidation and reduction half reactions. What is smallest possible integer coefficient of Cr3+ in the combined balanced equation?
September 28, 2011

statistics
In order to study whether IQ level is related to birth order, data were collected from a sample of 540 students on their birth order (Oldest/In Between/Youngest) and their score on an IQ test. The data collected in this study would be best displayed using: which one: (a) a pie...
September 26, 2011

english
need help writing a poem about facing challenges
September 25, 2011

english
need help writing a poem about facing challenges
September 25, 2011

Trig
The point (-5/12) is on the terminal side of an angle theta in standard position. Find Sin theta, cos theta and tan theta Thank You!
September 21, 2011

math
oh thank you so much:)
September 21, 2011

math
i need help on any 3 numbers that add up to -84 and any 3 number that add up to 54 thanks
September 21, 2011

math
kindergarten-fifth grade= a total of 6 grade levels 6 grade levels times 3 classes for each grade level= a total of 18 classes for the whole school 18 classes times 27 students per classroom= 486 the final answer is: about 486 students
September 14, 2011

physics
A pilot flying low and slow drops a weight; it takes 2.9 to hit the ground, during which it travels a horizontal distance of 115 . Now the pilot does a run at the same height but twice the speed. How much time does it take the weight to hit the ground?
September 12, 2011

Math
8 1/2 + 4 1/3 + 2 1/2 + 2 2/3
September 11, 2011

chemistry
50457600 seconds. Turn this into scientific notation.
September 7, 2011

chemistry
it is the rest of my question B. is this reaction exothermic or endothermic? C. what is the oxidizing agent in this reaction D. in corrosion reactions the oxidizing agent actually removes electrons from the oxidized substance . are electrons actually removed in combustion?explain
September 1, 2011

chemistry
oxygen will react with the metal copper it will also react with the nonmetallic compound butane (c4h10) which ofthese reactions is combustion reaction?explain your answer.
September 1, 2011

CHEMistry
To find the net mass of something do you subtract the average mass of an empty can from the average mass of cans of regular soda. So I can calculate the density of cola. net mass of cola divided by volume of cola. What does net mass mean?
August 29, 2011

PLEASE HELP ME! CHEMISTRY
I get.... (x)(59.9338) +(1-x)(58.9332) =(58.9901) 59.9338x+58.9332-58.9332x=58.9901 1.0006x=0.0560 x=0.0569 cobalt60 abundance=0.0569% cobalt59 abundance=0.9431% 0.0569/0.9431 X 1.8155g = .10953grams Is that right?? It looks like i did it wrong.
August 29, 2011

chemistry
one atmospheric compound is responsible(after it has dissolved in water)for both the general acidity of normal rainwater and the acidity of much soil. what is this compound?
August 23, 2011

world cultures
o i have to do this project about the 5 themes of geography. and we are supposed to research the 5 themese of london. but i dont know how to research that or what to do. so please help
August 21, 2011

writing
haha wow thank you so much, i could've thought of that
August 10, 2011

writing
does anyone know a timeline about john paul 2's life?
August 10, 2011

science
pls answer the above question
August 5, 2011

geometry
I found out the first part of which is x for the figure which was 115 degrees.They do give you the other measures of the angles which are 115,155,155,155.135,135,115.The second part of the problem say yo find the sum of the measures of the exterior angles,one at each vertex,...
July 23, 2011

physics
T = (2pir)/v with T being the period, r being the radius, and v being the speed. Don't forget that radius is half the diameter. So, v*4.6s = 2*pi*2.5m
July 7, 2011

Chemistry
How do you calculate the number of moles of NaOH to add to a liter of 1M NH4CL (pka of NH4+ = 9.25 ) to produce a solution buffering the pH at 8.75 ? thanks
June 29, 2011

math
8-2 |r| = -12 ???
June 28, 2011

math
ohhh alright i get it know. thanks for the help!
June 27, 2011

math
use a number line to find the sum of the numbers. 1. 3 and 5 2. -6 and 3 i don't get this
June 27, 2011

Geometry
I need help with counterexamples and all the questions are false. 1.If an angle measures 34 degrees ,then the angle is acute. 2.If the length of twwo segments are each 17 feet,then the segments are congruent. 3.If two angles 32 and 148 degrees ,then are supplementary. 4.If you...
June 26, 2011

chemistry
what is the total mass of LiBr required to make 500.0 grams of an aqueous solution of LiBr that has a concentration of 338 ppm?
June 22, 2011

chemistry
what is the total mass of LiBr required to make 500.0 grams of an aqueous solution of LiBr that has a concentration of 338 ppm?
June 22, 2011

Algebra
James has saved $50. He wants to buy a DVD player for $149 in about 5 months. To find out how much he should save each week he wrote 50+20x=149. Explain his equation.
June 16, 2011

physics
a mass (m=2.00kg) is traveling at an initial speed of 18.0m/s. find the force needed to bring the mass to rest in a distance of 45.0m----what equation to use??
June 14, 2011

Chemistry
carbon dioxide (CO2) is the gas mainly responsible for global warming (the greenhouse effect). the burning of fossil fuels is a major cause of the increased concentration of CO2 in the atmosphere. carbon dioxide is also the end product of metabolism. a general overall equation...
June 13, 2011

physical science
38239.25
June 12, 2011

science
i have to do balancing equation problems and i cant figure out this problem, help? i think you have to put numbers infront but i dont get it. _H2+_O2<==>_H2O (those 2's are subscripts)
June 6, 2011

business
The clues that could help you determine between expressions and equations are if it has simple arithmetic operations such as 3 + 5 x( (-2)^7 -3/2 then it’s an expression however if it is set up as P=Q which is equivalent with P-Q=0 it’s an equation The things to ...
June 5, 2011

Biology
What is in urine after in has been filtered thrigh the kidneys?
May 25, 2011

computers
2. An enterprise level company wishes to set up a network to support several hundred business users as well as manufacturing equipment in a new building. Describe what network device or devices you would recommend they purchase and explain why. Note, you are not required to ...
May 24, 2011

Math
12 is what percent of 48
May 18, 2011

Poems
Thank you so much for the help!! :)
May 15, 2011

Poems
I am writing a free verse poem and I need somr ideas. I was thinking about a doll who could speak but I'm not sure if that is good. Any ideas?_
May 15, 2011

Chemistry
A 1.00 L sample of a pure gas weighs 0.785 g and is at 733.4 torr and 29.2 degree celcius. a) what is the molar mass of the gas? b) if the volume of the temperature are kept constant while 0.400 g of the same gas are added to that already in the container, what will the new ...
May 12, 2011

Chemistry
A 0.1873 g sample of a pure, solid acid, H2X was dissolved in water and titrated with 0.1052 M NaOH solution. The balanced equation for the neutralization reaction occurring is H2X(aq) + 2NaOH(aq) ¨ Na2X(aq) + 2H2O(l) If the molar mass of H2X is 85.00 g/mol, ...
May 11, 2011

english
how do I punctuate this sentence ? What did the philosopher Aristotle mean when he said "To perceive is to suffer"? or is this correct?
May 10, 2011

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