Wednesday
July 23, 2014

Posts by Ellen


Total # Posts: 181

CH102
If a temperature increase from 18.0 to 34.0 triples the rate constant for a reaction, what is the value of the activation barrier for the reaction?

Chemistry
i tried that but it says its wrong

Chemistry
An air sample contains 0.038% CO2. If the total pressure is 764 mm Hg , what is the partial pressure of CO2?

Physics
thank you so so so much. the answer is .3626

Physics
A hollow plastic spherical bobber of mass 0.005 kg and volume of 50 cm3 floats on the surface of a lake supporting a submersed fishhook and a bait with a combined mass of 0.01 kg and a combined volume of 2 cm3. The density of water is 0.001 kg/cm3. If a fish grabs the bait, fi...

ENVIRONMENTAL SCIENCE
A viewpoint expressed in the video material emphasizes the idea that every type of species has its meaning and purpose, and is important part of biodiversity. Unique characteristics of different species contain the secret of harmony in the world, benefiting from each other by ...

Algebra/story problem
Can someone help me work this problem please? The equation y= -1777x+27,153 can be used to predict the number of gun deaths in the United States x years after 2000, that is x=0 corresponds to 2000, x=2 corresponds to 2002, x=4 corresponds to 2004, and so on. Predict the number...

Marketing
What arguments can you make against the common assumption that marketers only worry about advertising?

General Physics
A 0.40 - kg object connected to light spring with a force constant of 19.6 N/m oscillates on a frictionless horizontal surface. If the spring is released from rest, determine the maximum speed of the object.

math
when y=-sinx and y=sin2x - sinx are added together and graphed, why do the maximum values of two sin functions occur where they do?

Chopsticks
3x^2-8x+1=0

literary
I am writing my father's obituary - he passed away unexpectedly on Monday. He was from a very small town and always quoted verse that ended with "And when I go (return) home, I am a boy again" Walt Whitman. Dylan Thomas. Please. Please. I have a deadline tomorrow...

algebra
Graph the equation using the slope and the y- intercept y= 8/5x+5

7th pre-algebra
I need help understanding how to slove two step equations. Example -10 - k=-36

math
This is incorrect

art -year8-writeacher
thankyou for finding those websites for me they are a great help. i looked at those myself but i wasn`t sure if they were right. thanks again!

art -year8
i need to design a renaissance outfit for art. please could someone help me find some websites that show some outfits that can help me. thankyou.

Orientalism
What are the three aspects of Orientalism

Reiny! Reiny! Reiny!
1. Oanh walked from her home to the grocery store at 3 mi/h and jogged home at 6 mi/h. Her total round trip was 15 minutes (1/4h). How far from Oanh's home is the grocery store? (use an equation to solve this) Help, I am totally clueless on this.

PLEASE HELP ME!
Rewrite each polynomial as the product of two binomials. 1. y^2 + 6y + 9 2. 25x^2 - 10x + 1 3. 36 - y^2 I don't understand how to do these problems, especially what the direction is telling me to do. Someone help me please?

Algerba 1
Rewrite each polynomial as the product of two binomials. 1. y^2 + 6y + 9 2. 25x^2 - 10x + 1 3. 36 - y^2 I don't understand how to do these problems, especially what the direction is telling me to do. Someone help me please?

Chemistry
Thank you for helping me with this.

Chemistry
We did a flame testing lab today with the following metal ions: Sodium, Na^+1 Barium, Ba ^2+ Calcium, Ca ^2+ Copper, Cu ^2+ Potassium, K ^+1 Strontium, Sr ^2+ Lithium, Li ^+1 The question asks to explain the effect of the nitrate ion solution on the color emission. Please help...

algebra
yes. thank you very much

algebra
how would you go about solving this problem? a x 2b/6 x 4/5a

algebra
so would i do this: 82.1 - 86 = -3.9 now that i have the -3.9 would that be the final answer to the question "what is the deviation from the mean that day?"

algebra
so would i do this: 82.1 - 86 = -3.9 now that i have the -3.9 would that be the final answer to the question "what is the deviation from the mean that day?"

algebra
How would i go about answereing this question? The mean temperature in new york one summer was 86 degrees. if the temperature on july 22 of that summer was 82.1 degrees, what was the deviation from the mean that day?

math
How would i go about answereing this question? The mean temperature in new york one summer was 86 degrees. if the temperature on july 22 of that summer was 82.1 degrees, what was the deviation from the mean that day?

Writing
thanks, do you have any ideas that interest you that would be about 3,000 words

Writing
thank you very much. my main interest was the white house. do you have any topics with why question that i could do for that??

Writing
i have to do a research paper for journalism class. It has to be something that has to do with washington, d.c. but the topic cant be too generalo. it has to be something specific that i will be able to write 1,500 to 3,00 words. Also, the topic has to answer a "WHY"...

physics
A pendulum consists of an object of mass 1.07 kg that hangs at the end of a massless bar, a distance 1.14 m from the pivot point. Calculate the magnitude of the torque due to gravity about the pivot point if the bar makes an angle of 22° with the vertical.

physics
A 4422.0 kg truck is parked on a 10.8° slope. What is the friction force on the truck?

physics
A woman has a mass of 64.2 kg. What is her weight on earth?

Algebra
Solve sytems of equations for 7x-3y=31 and y-5=3x I need to find what x and y equal. thanks!

Algebra
Explicitly explain how to tell an answer is correct when solvingi systems of equations. -thanks so much!

math
find distance from (-4,2) to (5,14)

Physical Science
If you poked 3 holes in a vertical line in a bottle filled with water, which hole will spurt water the furthest? Why? -thanks so much for your help!

finance and accounting
Account Word Problems like this I seem not to get the concept , please give me an exam as how to figure out this problem. 1. The liabilities of Acosta Corporation equal one-third of the total assets. And stockholders equity is $160,000. What is the amount of the liabilities. A...

finance and accounting
Account Word Problems like this I seem not to get the concept , please give me an exam as how to figure out this problem. 1. The liabilities of Acosta Corporation equal one-third of the total assets. And stockholders equity is $160,000. What is the amount of the liabilities. A...

Science
How does the ozone effect the wind patterns

US history
Hi! i am wondering if you can explain amendmant 7 in more depth. Thanks!

Algebra
What is the differance between a discrete graph and a continuous graph? Thanks so much!

Pre
A) List two examples of pairs of numbers that share a common factor. B) List a variable pair with a common factor. C) Why do u think ab+ac is called "simplified form"? I don't really what they are asking me to do... ummmm, anyone help me?

Just Wondering
Whats Christmas anyways? Like, how did it become a true holiday? What is the story behind it?

Math
You were busy working on a problem using 4 big squares, 8 rectangles, and 8 small squares. Your partner accidentally knocked some algebra tiles off the your desk. You now have 1 big square, 3 rectangles, and 5 small squares on your desk. Write and algebraic equation that shows...

Pre-Algebra
You were busy working on a problem using 4 big squares, 8 rectangles, and 8 small squares. Your partner accidentally knocked some algebra tiles off the your desk. You now have 1 big square, 3 rectangles, and 5 small squares on your desk. Write and algebraic equation that shows...

Pre-Algebra
You were busy working on a problem using 4 big squares, 8 rectangles, and 8 small squares. Your partner accidentally knocked some algebra tiles off the your desk. You now have 1 big square, 3 rectangles, and 5 small squares on your desk. Write and algebraic equation that shows...

French
so, how do u really say this quote in french? "You are in love when suddenly reality is in your dreams, and you cannot sleep anymore." help?

Pre-Algebra
What does P-E-M-D-A-S mean? I know they are the orders of operation, but I forgot what each letter stand for??? HELP!

Pre-Algebra
Thank you!

Pre-Algebra
okay so the decimal is 0.001 and I need to convert it to a fraction and a precent? how do I do that??

Pre-Algebra please help me!!
OMG! thank you sooo much! genius! it works by the way!!!

Pre-Algebra please help me!!
X- 0 1 2 3 4 5 6 Y- -7 -4 -1 2 5 8 11 this is a x and y table I need to find out wat the rule is to get y. So the equation would start out like: Y=?????? wat do u need to do with x to get y? and I need help badly! so please!

algebra
(p+3)(p-4)(p-3)(p+4)

algebra
consider three consecutive even intergers, the least of which is x. Write a polnomial representing the product of these three intergers.(p+3)(p-4)(p-3)(p+4)

math
1/4 think money like 25 cents

Social Studies
Name 3 documents and or important people involving the government? For example: as one of the documents, The Articles of Confederation can be one. Can anyone name 2 more at least??? PLZ!

Pre-Algebra
So since 2/3 of Spinner 1 is sedans (The 3rd is a truck), and 1/2 of Spinner 2 is purple (the other half is a green), write a multipilcation problem to describe the probability of spinning a purple sedan. Write a problem to describe the probability of spinning a purple truck. ...

Pre-Algebra
So since 2/3 of Spinner 1 is sedans (The 3rd is a truck), and 1/2 of Spinner 2 is purple (the other half is a green), write a multipilcation problem to describe the probability of spinning a purple sedan. Write a problem to describe the probability of spinning a purple truck. ...

math
dwrs can you show your work? Can figure out who you got the 3?

math
Sorry the question didn't come out right. It was supposed to read. 9k + 6 is < or equal to 39.

Math
drwls can you show your work?

Math
9k+6<39 -

Social Studies
What are some interesting facts about the uniforms in the Revolutionary War?

Pre-Algebra
If negative 20 equals 168, negative 15 equals 153, negative 10 equals 138, negative 5 equals 123, 0 equals 108, 5 equals 93, 10 equals 78, 15 equals 63, 20 equals 48, then what is the rule??? Tables: X: -20 -15 -10 -5 0 5 10 15 20 Y: 168 153 138 123 108 93 78 63 48 How do I ge...

Pre-Algebra
I mean like the equaled number is the y and the negative or positive numbers are the x...wat do I do with X to get to y???

Pre-Algebra
If negative 20 equals 168, negative 15 equals 153, negative 10 equals 138, negative 5 equals 123, 0 equals 108, 5 equals 93, 10 equals 78, 15 equals 63, 20 equals 48, then what is the rule??? Also, what is the pattern in the informatio above???

Social Studies: The Revolutionary War
What did the First Continental Congress achieve?

Social Studies: The Revolutionary War
How did the fighting at Lexington and Concord affect the relationship between the colonies and the Great Britain?

Science
What does Endoplasmic Reticulum means or is?

Pre-Algebra
in- 0 1 2 3 4 X out- 1 4 10 0's output is 1 and 1's output is 4, then 3's output is 10....wat is the rule to this??? and wat are the outputs for 2, and 4?

Pre-Algebra
in- 0 1 2 3 4 X out- 1 4 10 0's output is 1 and 1's output is 4, then 3's output is 10....wat is the rule to this??? and wat are the outputs for 2, and 4?

Pre-Algebra
X5 x X4

English
I need help with this question: replace the underlined nouns in this paragraph with personal pronouns.Write the pronouns on the lines below. The nouns have a number right next to them for you to read. Here is the paragraph: Squanto was a Pawtuxet Indian man who came to the aid...

math
The difference of two numbers is 9. The sum of 3 times the greater number and 4 more than the lesser number is 51. What are the two numbers? I do not get this question... I have tried many times, but can not get it.. please help! thank you.

Math
7th grade--how do I determine the slope of a set of stairs? Thanks you find it by measuring thr rise over the run i.e. the vertical distance divided by the horizontal distance. thanks

Pre-Calculus
How would you graph y= x^3 +1? I know the slope for the equation is y'= 3X^2. assign numbers to x and solve for y to get the poins. Then graph. Examples: x=1 then y=2 if x=0 then y=1 if x=2 then y=9

economic - emergency
Question concerning production function - Cobb douglas. Given is: y=(0,2K-1 + 0,8L-1)-1 If wk = wL =1, what will k and L be? Now suppose again: y=(0,2k-1 + 0,8L-1)-1 and z=K1/3*L2/3. Is product y or z always more demanding to capitals (in case of labour)? if not, find where % ...

ETH 125
OMG this is FREAKING hilarious!!!!!!! Ethics 125 here as well, looking for other ways to measure prejudice! HAHAHAHAHAHAHAHAHAHAHAHAHAH

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