# Posts by Natalie

Total # Posts: 664

**Chemistry**

For the reaction, 2SO2(g) + O2(g) ¨ 2SO3(g) + heat, at equilibrium, what will be the effect on the net amount of SO3 present if the temperature of the container is increased? A) The concentration of SO3 decreases. B) The concentration of SO3 increases. C) The ...

*March 12, 2010*

**Chemistry**

How much heat is needed to melt a 25 gram ice-cube at 0 °C? The molar heat of fusion for water is 6.01 kJ/mol. A) 6.01 kJ B) 8.35 kJ C) 150.25 kJ D) 3.34 kJ E) 9.22 kJ

*March 12, 2010*

**Math**

How would you expand 2.34 x 10^7 and 1.7 x 10^-12

*March 6, 2010*

**Maathh**

Describe the method of graphing by using intercepts.

*March 4, 2010*

**Speech Quick ?**

Would this be a good informative speech topic? Impact of media on society

*March 3, 2010*

**English**

In the novel Ceremony by Leslie Marmon Silko: Was Pinkie dependable?

*February 28, 2010*

**healthcare finance**

"determine the following variances from arcadia hospitals 2005 budget and determine if the variance positive or negative net patient revenue,wages,medical surgical supplies, utilities,maintenance, net income

*February 26, 2010*

**science**

describe and explain an example of a feedback system in an organism I have tried and im lost

*February 14, 2010*

**math**

Please also explain how you got the answer if you know it. Thanks. : Solve for x. x2-4x+2 = -2x+5 A) (-1,7) B) (3,-1) C) {-1,7} D. {3,-1}

*February 8, 2010*

**Science**

Ok, so the formula for power is p=w/t but how would it work in this problem: what power output is required to lift a 3 kg mass at an average velocity of 5 m/s

*February 7, 2010*

**7th grade**

what percent of decrease is from 125 to 75

*February 2, 2010*

**7th Grade Math**

I think it is..45

*January 29, 2010*

**9th grade**

x=5

*January 28, 2010*

**math**

thank you

*January 20, 2010*

**2nd grade**

lucy's shade is covering nine-twelfths of her window. draw and clor nine-twelfths of a square to show lucy's window.Write te correct fraction

*January 20, 2010*

**12th grade**

the rug should 2

*January 19, 2010*

**math**

Your answer is 10

*January 13, 2010*

**math**

I'm doing The Ambiguos case of triangles given SSA. My givens are a=6; b=7; alpha=30 degrees. how do I know if there's 2 triangles?

*January 13, 2010*

**11th grade**

I'm doing The Ambiguos case of triangles given SSA. My givens are a=6; b=7; alpha=30 degrees. how do I know if there's 2 triangles?

*January 13, 2010*

**Algebra 1**

Solve the inequality. |x|<4 Please do the steps.

*January 11, 2010*

**algebra**

3(q+1)-9=23 3q+3-9=23 3q-6=23 3q=29 __ q=9.66

*January 11, 2010*

**Juniors Enligsh 3 Honors**

For #11, those few sentences about A Rose for Emily is what I wrote, not a part of the actual question. Thank you for the link though, I hope I can find what I need!

*December 18, 2009*

**Juniors Enligsh 3 Honors**

My online honors class had us read The Awakening by Kate Chopin and the assignment is to answer 15 questions, but I'm having trouble with these last 6. I have an idea about how to answer some of them, but I can't fully articulate an answer. Please help? 9. In detail, ...

*December 18, 2009*

**help please**

the computer it is harder to understand

*November 12, 2009*

**help please**

i don't have a text book i do online school

*November 12, 2009*

**help please**

What is the first step in solving the problem, 3x-8/12=9? A) Add 8 to both sides. B) Multiply by 12 on both sides. C) Divide by 3 on both sides. D) Subtract 9 on both sides.

*November 12, 2009*

**PLEASE HELP ME!!!**

argh whatever

*November 12, 2009*

**PLEASE HELP ME!!!**

can you just give me the answer please

*November 12, 2009*

**PLEASE HELP ME!!!**

What is the first step in solving the problem, 3x-8/12=9? A) Add 8 to both sides. B) Multiply by 12 on both sides. C) Divide by 3 on both sides. D) Subtract 9 on both sides.

*November 12, 2009*

**HELP!!!!!**

What is the first step in solving the problem, 3x-8/12=9? A) Add 8 to both sides. B) Multiply by 12 on both sides. C) Divide by 3 on both sides. D) Subtract 9 on both sides.

*November 12, 2009*

**PLEASE HELP!!!**

two cars are driving toward each other from opposite directions if one is driving 55mph the other is driving 60 mph and the cars are 500miles apart how long before they pass each other? round to the nearest tenth of an hour.

*November 12, 2009*

**10th grade algebra**

i do i do online school so yeah its kinda hard you know

*November 12, 2009*

**10th grade algebra**

2b/4 + b/3 = 10 solve for b.

*November 12, 2009*

**10th grade algebra**

yes i need help please help me!

*November 12, 2009*

**10th grade algebra**

two cars are driving toward each other from opposite directions if one is driving 55mph the other is driving 60 mph and the cars are 500miles apart how long before they pass each other? round to the nearest tenth of an hour.

*November 12, 2009*

**10th grade algebra not ms.sue**

thank you

*November 12, 2009*

**10th grade algebra not ms.sue**

is the following always sometimes or never true? x+1=x+0

*November 12, 2009*

**10th grade algebra not ms.sue**

how like what do i do

*November 12, 2009*

**10th grade algebra not ms.sue**

what is the ? for

*November 12, 2009*

**10th grade algebra not ms.sue**

a 68 mile trip uses 2 gallons of gas. how many gallons would you use on a 110 mile trip? round to the nearest tenth of a gallon.

*November 12, 2009*

**10th grade algebra**

solve for x. |x+9|=17

*November 12, 2009*

**10th grade algebra**

solve for n. |3n+5|=7

*November 12, 2009*

**10th grade algebra**

what is b

*November 12, 2009*

**10th grade algebra**

2b/4+b/3=10 solve for b.

*November 12, 2009*

**10th grade algebra**

mary takes 3 hours to mow the yard. it takes sally 5 hours. how long would it take with them mowing it together? give the exact decimal answer.

*November 12, 2009*

**10th grade algebra**

thats all the question says it that

*November 12, 2009*

**10th grade algebra**

two cars are driving toward each other from opposite directions if one is driving 55mph the other is driving 60mph and the cars are 500 miles apart how long will it be before they pass each other? round to the nearest tenth of an hour.

*November 12, 2009*

**10th grade algebra**

solve the equation 2a=3a+4c for a

*November 12, 2009*

**10th grade algebra**

i don't understand can you be specific please

*November 12, 2009*

**10th grade algebra**

solve the equation 2x+y=9 for y

*November 12, 2009*

**10th grade algebra**

solve the equation for x: 3x+y=6

*November 12, 2009*

**10th grade algebra**

kim had a meal at the downtown diner which cost $14.98. if she tips 15%, how much tip should she leave? round to the nearest cent.

*November 12, 2009*

**10th grade algebra**

How many kg of pure salt must be added to 8 kg of a 30% solution to obtain a 35% soltution? Round to the nearest tenth.

*November 12, 2009*

**Programming**

The code below shows some of the text for a class called City. Now write a complete public constructor with two formal parameters: a String parameter called cityName, and an int parameter called cityPop. Your code should initialize the name attribute of the class to the value ...

*November 9, 2009*

**History**

What was the Oregon Trail?

*November 6, 2009*

**Math**

How do I figure out missing angle measurements with using a protractor?

*November 2, 2009*

**Pre-Calculus**

Oh yeah, I forgot to put the 'x' into my equation. I just plugged in the 4 where the x should be and got 6.5, or as it applies here, 6.5 million. Hope that's right. Thank you all! :)

*October 29, 2009*

**Pre-Calculus**

Sales of ski equipment varies through the year from highs in January & December of $20 million, to a low in June of $2 million. Write a trigonometric function that describes this cycle. Calculate the expected sales for April. I think I got the first part: 9cos(pi/6) + 11 I am ...

*October 29, 2009*

**Chemistry**

Give the symbol for each, and the units: 1.What is the mean kintetic energy of all particles in a sample of matter? 2.What is the amount of thermal energy that flows between two or more bodies of different temperatures?

*October 28, 2009*

**Chemistry**

Calculate the standard enthalpy of formation of CuO2, given that: 2Cu2O + O2 ==> 4 CuO (-288 kJ) Cu2O ==> Cu + CuO (11 kJ) PLEASE HELP!!!!

*October 26, 2009*

**Chemistry**

Thanks SO much for the help!:)

*October 26, 2009*

**Chemistry**

Can someone PLEASE help me with this???? I am soooo confused with this problem!!! Combustion reactions involve reacting When compounds containing carbon and hydrogen are combusted, carbon dioxide and water are the products. Using the enthalpies of combustion for C4H4 (-2341 ...

*October 26, 2009*

**Chemistry**

Umm... the H2 is hydrogen and C4H8 is Carbon 4, Hydrogen 8. If I knew what it meant than I wouldn't be asking for help, would I?!?!?

*October 25, 2009*

**Chemistry**

Calculate the change in the enthalpy of the reaction. C4H4(g)+2H2(g)===>C4H8(g) Use the following: change in enthalpy of combustion for: C4H4=-2341 kJ mol-1 H2=-286 kJ mol-1 C4H8=-2755 kJ mol-1

*October 25, 2009*

**physics**

Correct Answer: D — It increases by 15 joules. Explanation: The amount of work done by non-gravitational forces in moving an object from one position to another is equal to the change in the gravitational potential energy of the object. If 15 joules of work are done on ...

*October 22, 2009*

**physics**

What is the weight in newtons of a 250 g package of cereal? need answer and work shown asap! plz and thank u!

*September 2, 2009*

**accounting**

The balance in the unearned fees account before adjustment at the end of the year is 112,790. Of these fees, 69,735 have been earned. In addition, 13,200 of fees have been earned but have not been billed. Journalize the entry to the adjust the unearned fees account.

*September 1, 2009*

**4th grade**

name the seven continents of the world.

*August 25, 2009*

**English**

Sorry about not explaining it the first time. I put everything that I have towards conquering my goals that I set for myself and if I'm not able to reach a certain goal I know inside my heart that I haven't let myself down and that I will continue to strive to great ...

*June 13, 2009*

**English**

I'm not writing a scholarship or anything like that. We had to find two things like that on the internet and reword them because were doing commercials that have to do with the characteristics of college for a project. I'm only in 9th grade.

*June 13, 2009*

**English**

I can re-word these two separate things. I found them on the internet but need to change the words. Any help would greatly be appreciated. "I believe that I deserve this scholarship because I put so much effort into every task that I am given. I give only my best, and see...

*June 13, 2009*

**Geography**

Country:the people who live in a nation or country City:a large and densely populated urban area

*June 10, 2009*

**capitalization**

Correct

*June 1, 2009*

**World Geo.**

3. The Testimony of Faith, prayer, giving Zakat(support of the needy),Fasting the month of Ramadan,The Pilgrimage to Makkah 5. Horn of Africa

*May 29, 2009*

**language arts**

spinach broccoli bean sprout turnip rhubarb radish

*May 29, 2009*

**science assignment**

This is question that I feel that you can answer on your own. View it on how it has changed our society and the types and uses of technology that people now have available to them. Everyone has their own opinions towards this

*May 25, 2009*

**Child Growth & Development**

Do you know of any websites that would help me with this following question. Describe three or more differences between genders during teenage years? Regarding physical/ emotional differences. Thank you for your help

*May 6, 2009*

**algebra**

Factor : (4x^2-7x+3) - (3x^2-5x)

*May 1, 2009*

**geometry**

Lol, okay. Thank you very much !

*April 26, 2009*

**geometry**

If the area of Triangle T, sides 5,12, and 13 equals the area of rectangle R, width 3, then what is the perimeter of rectangle R?

*April 26, 2009*

**Latin**

Well what does "pacem" mean?

*April 26, 2009*

**Latin**

What does Ex Pacem mean?

*April 26, 2009*

**geometry**

Thank you !

*April 26, 2009*

**geometry**

Find the area of a rectangle that has a diagnol of 13 cm and a height of 5 cm.

*April 26, 2009*

**English**

Not in Comfortable, but in Fashionable, you don't say the "i". So, instead think of it as Fashonable.

*April 26, 2009*

**5TH GRADE MATH**

a blank is abuot the size of a sports drink bottle it contains 1,000 milliliters

*March 19, 2009*

**Math pizzazz worksheet answers**

Can anyone help me with math w/ pizzazz middle school d- 58??????

*March 8, 2009*

**chemistry**

I need help Calculating the mass of HCL neede to react with 20.0 grams Zn. Zn+HCL -> ZnCl2+H2

*February 9, 2009*

**chemistry**

This is a combustion reaction of a hydrocarbon, so the product should be CO2 and H2O, which is how you correctly solved the problem, but you say the product is CO and water. If this is the case, the coefficients in the balanced chemical reaction would be 2,7,6,8. Making the ...

*January 22, 2009*

**english**

wordy is the answer

*January 19, 2009*

**English**

i have the same questions

*January 19, 2009*

**math**

about 88 of every 100 people in america eat turkey onn thanksgiving. ther are about 300 million people in america, About how many of them eat turkey each thanksgiving.

*November 8, 2008*

**5th Grade student teacher: Needs ur help....**

Don't go to hard on them. 5th grade is hard. Go easy on them.

*November 6, 2008*

**college**

Please help me write a discussion on the 3 market shifts in the fashion industry

*October 27, 2008*

**arithmetic**

What is 67 5/8 x 6?

*October 24, 2008*

**Math**

Jill and Matt run on a 400-meter-long oval track. They each run 10 laps daily and both run in the same lane. One day, they begin at the same point, but ran in opposite directions. Jill ran at a constant speed that was 2 meters per second faster than Matt's constant speed. ...

*October 22, 2008*

**algebra equations**

i need help solving the following: 10h = 8h + 6 and 6x + 2 = 3x - 1

*October 21, 2008*

**12th grade**

If f(x)= 1/1-x Find the composition of f(f(x)). So I get 1/1-(1/1-x) I'm not sure if I am putting it in my calculator correctly because I keep getting a line. Is that right? If I put it in with the parentheses differently, I get the graph of f(x)=1/x. Does anyone know ...

*September 18, 2008*

**Calculus**

If f(x)= 1/1-x Find the composition of f(f(x)). So I get 1/1-(1/1-x) I'm not sure if I am putting it in my calculator correctly because I keep getting a line. Is that right? If I put it in with the parentheses differently, I get the graph of f(x)=1/x. Does anyone know ...

*September 18, 2008*