Monday
April 21, 2014

Posts by Emily


Total # Posts: 2,269

CHEM
Sorry! Consider a galvanic cell that uses the reaction 2Ag+(aq)+Sn(s)→2Ag(s)+Sn2+(aq)

CHEM
Calculate the potential at 25∘C for a cell that has the following ion concentrations: [Ag+] = 1.0×10−2M , 3.2×10−2M .

MATH
find the ratio please!! 10m² over 2m^5 a. 5 over m³ b. 5m³ c. m³ over 5 d. 1 over 5m³

Math
3(0.4h+5)>4(0.2h+7)

Physics
A wheel 31.7 cm in diameter accelerates uniformly from 238 rpm to 347 rpm in 5.9 seconds. How far will a point on the rim of the wheel have travelled in this time?

Physics
The blades of a motor rotate at a rate of 4401 rpm. When the motor is turned off, the blades slow to a new angular speed of 430 rpm in 4.93 seconds. What is the angular acceleration of the blades (in rads/sec^2)?

Chemistry help
Awesome thank you! How would I determine when the reaction goes nonspontaneous?

Chemistry help
Sulfur trioxide is formed by the catalytic oxidation of sulfur dioxide: 2SO2(g)+O2(g)→2SO3(g) If ΔH∘= -197.8kJ/mol and ΔS∘= -188.0J/K , what is ΔStotal for this reaction? Is the reaction spontaneous under standard-state conditions at 25 ∘C?

Reading Skills
This question is based on the following paragraph. (1) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these Upward Bound students. (2) As a college teacher who has also taught seventh-grade scienc...

Reading Skills
I originally thought it could have been D. But that was wrong.

Reading Skills
Below is the last stanza of a poem, "Dover Beach," written in 1876 by Matthew Arnold. Ah, love, let us be true To one another! for the world, which seems To lie before us like a land of dreams, So various, so beautiful, so new, Hath really neither joy, nor love, nor ...

Reading Skills
Thank you!

Reading Skills
I think this one is B.

Reading Skills
I apologize, I wasn't sure exactly how this worked, and forget to place my answers before posting.

Reading Skills
This question is based on the following paragraph. (1) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these Upward Bound students. (2) As a college teacher who has also taught seventh-grade scienc...

Reading Skills
Sorry, haven't used this site before. I think it would be B.

Reading Skills
This question is based on the following four sentences. 1. Netta and Jim argued over their views of free trade. 2. Netta and Jim had different views on free trade. 3. Netta and Jim were sharply split over the issue of free trade. 4. Netta and Jim refused to discuss the issue o...

Reading Skills
B?

Reading Skills
This question is based on the following information about The Call of the Wild, a book by Jack London. The Call of the Wild is a story about a dog named Buck. Buck is a pampered dog who lives with a wealthy family in southern California. During the Gold Rush, Buck is captured,...

Reading Skills
8. Below is the last stanza of a poem, "Dover Beach," written in 1876 by Matthew Arnold. Ah, love, let us be true To one another! for the world, which seems To lie before us like a land of dreams, So various, so beautiful, so new, Hath really neither joy, nor love, n...

Reading Skills
D?

Reading Skills
This question is based on the following paragraph. (1) After my interview with these four young people, I reflected on the quiet sense of "difference" I sensed with many of these Upward Bound students. (2) As a college teacher who has also taught seventh-grade scienc...

ETH/125
As homosexuality has become more visible, efforts to suppress it have become more a. repressed. b. fragmented. c. institutionalized. d. individualized.

finance
the price of the stock is now $85 and no dividends are paid, and expects the price four years from now to be 4125 a share should the investor buy if he wants a 15 percent rate of return.

math
Thank you so much. I got really confused on the system of equations but I think I understand it now. Thank you :)

math
If Cathy walks for 2 h and rides her bicycle for 1 h, she can travel 36 km. If she walks for 2 h and rides her bicycle for 2 h, she can travel 56 km. How fast can she walk? How fast can she ride her bike? Let w represent walking and b represent biking.

Math/precalc
What is the period and amplitude of y=3tan(2/3x-pi/6)? Thanks!

Chemistry
Silver ion reacts with excess CN− to form a colorless complex ion, Ag(CN)−2, which has a formation constant Kf=3.0×1020. Calculate the concentration of Ag+ in a solution prepared by mixing equal volumes of 2.3×10−3M AgNO3 and 0.21M NaCN.

us history
where did many Scandinavians settle?

math
Tell which operation you would use for each word phrase. P people increased by two

science(check answers)
1.A 2.D 3.B 4.C I hope I helped :)

Language Arts!
What kind of argument is used when an author compares water usage in the United States to water usage in poor countries. appeal to emotions appeal to ethics appeal to reason My answer: B

Pre-Algebra
Scatter plots are used to look for a pattern of association, or trend, between one set of values two sets of values three sets of values four sets of values My answer: two sets of values

Algebra
Thank you so much!! When you set it up as a slope intercept equation, it is much easier to solve. I get it now :)

Algebra
The Robertson's find that have used 1/2 gallon of paint to cover 480 square feet of wall. They used 3/4 gallon of paint to cover 720 square feet of wall. Write an equation to find the number of gallons of paint they will need (G), in order to cover S square feet of wall. T...

science
an astronaut has a mass of 100 kg. she recedes from her spacecraft using spurts of gas from a small unit on her back. if the force generated by the gas spurt is 50N, calculate her acceleration?

Help!!!
I hope I could help I just did those problems a while ago and dug all my papers from when I learned about that out and found the paper :D

Help!!!
1.True 2.A 3.B 4.C 5.C 6.B 7.C 8.D

Biology- Scientific Method
An experimenter sets out to find out how many hours of sleep a dog needs in order to catch the highest number of balls without a bounce. To test this the experimenter uses 5 dogs in the experiment and allows each dog to sleep a predetermined amount of time: dog 1: 4 hrs, dog 2...

New Consumer Math
Luis Giron works at the Pancake Palace from 3:00 p.m. until 12:15 a.m. 5 nights a week. If he takes a 30-minute break each evening, how many hours per week does he work? 46.25 hrs 44.75 hrs. 43.75 hrs.

Afrikaans
Wat is byvoeglike naamwoorde? My onderwyser wil dit nie vir my verduidelik nie

Maths
Convert the recurring decimal to a fraction 0.915915 0.317317

algebra
A skating rink manager finds that revenue R based on an hourly fee F for skating is represented by the function R= -480(F - 3.25)^2 + 5070. What hourly fee will produce maximum revenue?

Maths
I'm not too sure because it's what is written on the work sheet

Maths
Find the least positive whole number n for which 582416035 / n is exactly divisible by 11

History
What were the most important meanings of freedom to the Progressives by 1916? How did each president of the Progressive era view the role of the federal government?

Social Study's
I am only having problems answering 1 question, here it is: 13. Why do nations form alliances? Give examples of different kinds of alliances and explain their proposes. (5 points)

Physics
A Hollywood daredevil plans to jump the canyon shown in the figure on a motorcycle. There is a 15. m drop and the horizontal distance originally planned was 60. m but it turns out the canyon is really 65.7 m across. If he desires a 3.2-second flight time, (a) what is the corre...

Chemistry
K+(aq) + Al3+(aq) + 2SO42-(aq) + 2H2O(l)→KAl (SO4)2 * 12H2O(s) Al is limiting and 1.007 g Find the theoretical yield and percent yield I think the answer is 17 and 40, respect. I just need help figuring it out

Language Arts
Help Please!! Answer the following question about the essay "Escaping." Give an example of one internal and one external conflict from the selection. (Escaping) Nowadays we live in a constant hurry, compete with each other, we are uncertain of future, often don’...

Hello
Anyone here to help??

Puzzle question sport
3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 1 1 1 1 1 1 1 1 1 1 1 1 0 Being a champion means a lot of hard work

Puzzle question sport
What is this ?? h t t p : //imgur . c o m /CTGqqUa

Puzzle question sports
I have to name the latest

Puzzle question sports
h t t p : //imgur . c o m /fvJrYDc

AP Statistics
A standard deck of cards consisting of 52 cards, 13 in each of 4 different suits, is shuffled, and 4 cards are drawn without replacement. What is the probability that all four cards are of a different suit?

Puzzle question
The one who got away h t t p : //imgur . c o m /S4filEB

To Steve
Something to do with literature

To Steve
This image htt p : //4.bp.blogspot . C o m /-DhYuH_eLg5A/T2RqPwctfDI/AAAAAAAAATY/Dv8fjTNczFA/s640/rosette_lula_1700 . jpg Novel + 2013 ?? Puzzle question - Steve, Wednesday, December 4, 2013 at 6:24pm nine What's the meaning of nine ?

Puzzle question
Thank you so much Steve :D

Puzzle question
It's something to do with animal farm

Puzzle question
Thanks but i need to name some game ??

Puzzle question
All animals are equal, but some animals are more equal than others." His politics Name the game ??

Puzzle question
This image htt p : //4.bp.blogspot . C o m /-DhYuH_eLg5A/T2RqPwctfDI/AAAAAAAAATY/Dv8fjTNczFA/s640/rosette_lula_1700 . jpg Novel + 2013 ??

Puzzle question
Thank you ms sue :D

Puzzle question
Martin Freeman, Benedict CUmberbatch, Harry Sinclair, Thomas Robbins,Andy serkis, Elijah Wood, Sean Astin There is a special case who shares the common trait with above and yet unique - name dat character ???

Help important
Thank you :D

Help important
She said A novel by that author which is often termed her masterpiece. The novel even introduced a new style of writing

Help important
She said that Mousetrap is the play that the question is talking about. It is the show. But now I am asking you to find masterpiece of that author.

Help important
Teacher said that mousetrap isn't the masterpiece :S

Help important
Thank you very much :D

Help important
I need to figure Thenlongest running theatre show of london......& name masterpiece of author of dat show

Physics
How far from the center of the earth must a satellite be placed so that the acceleration due to gravity is half the value at the surface? (Hint: the diameter of the earth is 1.3x107 m.)

Physics
Thank you so much, you hit it right on the nail

Physics
Traveling in the city its faster to take a bicycle than a bus, one reason for this is that a bike can accelerate faster than a bus. Let’s say a Bike and bus both stopped at a red light and both takes off an exact same time when the light turns green. The bike accelerates ...

chem
A 1-L flask is filled with 1.25g of argon at 25 ∘C. A sample of ethane vapor is added to the same flask until the total pressure is 1.35atm . What is the partial pressure of argon, PAr, in the flask? What is the partial pressure of ethane, Pethane, in the flask?

Differential Equations
There is no y(0) givien, so I'm not sure how to go from there.

Differential Equations
Use the Laplace Transform to solve this initial value problem. y'''' - 8y = 0, y'(0)=63, y''(0)=216, y'''(0)=297 I would really appreciate the help.

5th Grade Math
Her brother won 6 out of 15. 6/15 = 0.4 Multiply this by 100: 0.4*100 = 40% If there were only 10 prizes, and her brother won 40% of them, then he won 4 prizes. 10*0.4 = 4 Hope that helps!

math
A map has a scale of 3 centimeters = 4 kilometers. If two cities are 8 centimeters apart on the map, what is the actual distance between the cities, to the nearest tenth of a kilometer?

Biology
The half-life of carbon-14 is 5,700 years. If a sample originally had 26 g of carbon-14, how much would it contain after 22,800 years?

Algebra
t^9 x t^-8 I don't really understand how to do the whole negative exponent thing...

math
Hi

math
Input/output 6 18 7 21 8 24 9 27 question... if jack buys 12 toys, what is the cost?

using expressions to describe patterns
If jake buys 12 toys what is the cost

American History!!!
How was the development of interchangeable parts an example of the move to make work "less skilled" in the early 1800s?

Math
Copy and paste the link in your browser.

Math
C:\Users\Owner\Pictures\Graph.png Each square on this graph paper is 1/4 Scale: 1/4 inch = 18 inches What are the actual dimensions of the sofa in inches? a. 90x45 b. 90x36 c. 75x25 d. 80x30

American History
How did the textile mills develop in the United States?

Evaluating Expressions
3D+(5-D);D=4 ------ 2. 8+2G-G/2;G=6

Earth and Environmental Science
How much does the amplitude of the waves increase between an earthquake that measures 4.2 on the Richter scale and an earth quake that measures 6.2 on the Richter scale?

Math
Terrence normally uses one-fourth teaspoon of dried basil to make his own salad dressing. He decides to change the recipe and include extra dried basil. He decides that the flavor is perfect when including a total of five-eighths teaspoon. Write an addition equation that could...

Science!!!!
Idk if your answers are correct :(

Science!!!!
Copy and paste the link into your browser. You'll see it.

Science!!!!
C:\Users\Student\Pictures\Graph.jpg Here's the picture of the graph. I don't know if you can see it.

Math
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!! 6.The price for x pounds of cheese at $6.99 per pound (LINEAR FUNCTION) 7. A car accelerating on the highway to reach a speed of 62 mph then slowing dow...

Math
Determine whether each verbal description represents a linear function or not. Correct me if I'm wrong on any of these!! 1. Jova walks quickly for 25 minutes then she rests for 5 minutes before continuing on for another 10 minutes. (NOT A LINEAR FUNCTION) 2 A rock that is...

Earth and Environmental Science
The solar wind can be thought of as evidence for which theory of light?

Math
find the value of x or y so that the line through the points has the given slope. (12,y) and (15,-8); slope: 2/3

AP Macroeconomics
3. You buy a certificate of deposit (CD) that pays a nominal rate of 12% annually. You have a tax rate of 25%, so if the interest on this CD is taxable (which it may not be) your after-tax nominal rate is (1 ñ 25%) • 12% = 9%. Since 10% equals .1, we can rewrite th...

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