Questions Asked on
November 15, 2008

chemistry
Given that S is the central atom, draw a Lewis structure of OSF4 in which the formal charges of all atoms are zero
asked by defferan 
Ms. Sue! (English)
I have another question about "Shooting the Elephant" The question is : What does "shooting an elephant" gain from being written years after the events it recounts? Is one possibility that it gave Orwell time to reflect upon his experiences? Are there any
asked by kayla 
organic chemistry
A sample of 2butanol has a specific rotation of 9.75 degrees. Determine the % ee (enantiomeric excess) and the molecular composition of this sample. The specific rotation of pure (+)2butanol is +13.0 degrees.
asked by Jenn 
englishgerman
hello! i need to give a thirty minutes lectore to children(age 1112).My topic is travelling.What can i do?Do you have any exanples of any games i can make to make it interesting?They can also act and learn some vocabulary but mostly they need to do
asked by bill 
Chemistry
You have the alkane C7H17. What is the IUPAC name. I tried heptane and 4ethyl3methylheptane, but it still says my answer is wrong. What would be the answer then.
asked by George 
design
In an effort to promote a better understanding of what design is and how to discuss it, your firm is having a weekly series of meetings. Within your first week, please find a design to include in your presentation that is different than the material you
asked by sue 
math
a ferris wheel has a radius of 8m and rotates every 12 hrs. THe bottom of the ferris wheel is 1m above the ground. draw a graph describing how a person's height above the ground varies with time. Find an qeation for your graph.
asked by linda 
Chemistry
You have the alkane C7H16. What is the IUPAC name. I tried heptane and 4ethyl3methylheptane, but it still says my answer is wrong. What would be the answer then.
asked by George 
trig
Give exact answers Sin(11pi/8) so this is sin(pi/4+pi/3) sin(pi/4)*cos(pi/3)+cos(pi/3)*sin(pi/4) rad2/2*1/2+1/2*rad2/2 which gives me rad2+rad2 all over 4 ...i don't know y im getting it wrong
asked by Natash 
Chemistry
You have the alkane C6H17. What is the IUPAC name. I tried heptane and 4ethyl3methylheptane, but it still says my answer is wrong. What would be the answer then.
asked by George 
math
For a class of 43 students fora certain exam, the mean grade is 67 and the standard deviation is 7. a) How many students should receive a C? (a c is between 7479) b) How many students should receive a B? (a B is between a 8089) c) what score is necessary
asked by joec 
math
Instant dinner comes in packages with weights that are normally distributed with a standard deviation of 0.3 oz. If 2.3 percent of the dinners weigh more than 13.5 oz, what is the mean weight?
asked by missy 
chemistry
a 506g piece of copper tubing is heated to 89.5C and placed in an insulated vessel containing 159g of water at 22.8C. Assuming no loss of water and a heat capacity for the vessel of 10.0J/K, what is the final temperature of the system (c of copper = 0.387
asked by carl 
engineering
using air pressure, a ball of 0.5kg is forced to move through the tube lying in the horizontal plane and having the shape of a logarithmic spiral. If the tangential force exerted on the ball due to the air is 6N, determine the rate of increase in the
asked by sarah 
math
The diameter of a pipe is normally distributed with a mean of 0.4 inches and a variance of 0.0004. What is the probability that the diameter of a randomly selected pipe will exceed 0.44 inches?
asked by missy 
Physics
Does using (Fcos(theta))d work for this problem or should cos be replaced with sin? A cheerleader lifts his 66.4 kg partner straight up off the ground a distance of 0.718 m before releasing her.If he does this 27 times, how much work has he done?
asked by Johnathan 
science
how do organisms help soils develop?
asked by jazzy 
math
Instant dinner comes in packages with weights that are normally distributed, with a standard deviation of 0.3 oz. If 2.3% of the dinners weigh more than 13.5 oz, what is the mean weight?
asked by missy 
AP Chem
Phosphorus pentachloride is a white solid that sublimes (vaporizes without melting) at about 100 degrees C. At higher temperatures, the PCl5 vapor decomposes to give phosphorus trichloride and chlorine. How could gasdensity measurements help to establish
asked by Anna 
calculus
A rectangle is to be inscribed under the arch of the curve y=4cos(.5x) from x=pi to x=pi. What are the dimensions of the rectanlge with the largest area and what is the largest area? please explain.
asked by sylvia 
AP Chem
Ammonium Chloride is a white solid. When heated to 325 degrees C, it gives a vapor that is a mixture of ammonia and hydrogen chloride. Suppose someone contends that the vapor consists of NH4Cl molecules rather than a mixture of NH3 and HCl. Could you
asked by Anna 
essay
I have a essay to write my instructor say because I chose education I an addressing a whole field from kindergarten to post graduate I need to now what type of education I chose English. I need to keep it narrow and stringent focus in order to help find
asked by Lasoyna 
grammmar
Fill inthe blanks with the correct tense of the verb in the bracket.1. Sonius a secret.(tell).2. Did they the thief?(catch). 3. We havethem for twelve year.(know).
asked by ra ny 
organic chemistry
An optical rotation study gives a result of +140 degrees. Suggest a dilution experiment to test whether the result is indeed +140 degrees, not 220 degrees.
asked by Jenn 
math
The diameter of a pipe is normally distributed with a mean of 0.4 inches and a variance of 0.0004. What is the probability that the diameter of a randomly selected pipe will exceed 0.44 inches?
asked by missy 
Physics
List the particles that make up an atom. What are their charges? How are they arranged? wHat is the approximate amu of each particle?
asked by fahad 
grammmar
Fill up the blanks with correct tense of the verb in the bracket.1.Thechilda glass of juice every morning.(drink)
asked by ra ny 
engineering
a boy of mass 40kg is sliding down the spiral slide at a constant speed such that his position is measured by theta=(0.7t) rad and z=(0.5t) m where t is in seconds. How do you find the components of forces Fr, Ftheta and Fz which the slide exerts on the
asked by sarah 
Physics
I have no idea on how to do either part of these questions please help (part 1 of 2) To move a refrigerator of mass 110 kg into a house, a mover puts it on a dolly and covers the steps leading into the house with a wooden plank acting as a ramp. The plank
asked by NIQUEFROMDALLAS 
science
List five physical properties of a quarter.
asked by Joe 
History
What were the pen names of the authors of the Federalist papers? Why did they go by these names?
asked by Abby 
Science
What happens when sulphur and iron aare chemically mixed
asked by Simon :) 
Urgent math help!
What is 66 2/3% of 891? PLEASE show me the steps on how you got the answer to this question...
asked by Lisa 
PHYSICS
lIST THE PARTICLES THAT MAKE UP AN ATOM. wHAT ARE THEIR CHARGES? hOW ARE THEY ARANGED? wHAT IS THE APPROXIMATE AMU OF EACH PARTICLE?
asked by fahad 
economies
In the study of transitional economies, the gradualist approach is. a: Is a policy of slow adoption of economic reforms that Keynes has popularized in fighting the great depression. b: Is a policy of slow adoption of economic reforms by Putin's government
asked by me3598 
Science
List the particles that make up an atom. What are their charges? How are they arranged? What is the approxiamate amu of each particle?
asked by Joe 
Science
Solve two speed problems with a different missing part of the formula.
asked by Joe 
Science
how does a time/distance graph look. What soes a horizantal and diagonal line mean.
asked by Joe 
methodologies
Which health insurance program is designed to complement the retirement survivor, and disability insurance enacted under Title ll of the social secuity act? Medicare? MedicaidCivilian health and Medical programVet Admin
asked by Debbie 
psychology
Can someone help me with these questions, I am having trouble with them. 3. Traumatic events do not always result in a diagnosable psychological disorder. What factors determine how a person may be affected by one such event? 4. What are the four stages in
asked by Jenn 
psy
I have to do an assignment on the following: I need to choose one of the following topic voting for your favorite political candidate joining a religious group refraining from driving under the influence of alchool or drugs I need to develop a plan to
asked by rose  Ms. Sue 
physics
List Daltons idea of an atom model.
asked by fahad 
physics
Whats the difference between a newton and a kilogram?
asked by fahad 
world history
i need to make 3 object from the indus valley and 8 that describes the important beliefs of buddhism could someone tell what items i need to make
asked by jeannine 
PHYSICS
gIVE AN EXAMPL OF WHEN AVERAGE SPEED WOULD BE USED INSTEAD OF INSTANTANEOUS SPEED.
asked by fahad 
math
WHAT IS THE RECIPROCAL OF 5 3/4
asked by dave 
PHYSICS
HOW ARE FORCE AND MASS RELATED.
asked by fahad 
PHYSICS
lIST FIVE PHYSICAL PROPERTIES OF A QUARTER.
asked by fahad 
negative prefixes
I am trying to plan a lesson about negative prefixes for 5th graders and can't find any good websites to help me. I was hoping someone could help me find some resources. If someone knew of a fun or interesting way to teach this lesson that would be even
asked by ash 
medical coding and billing
Can someone please help me by reading my research project on HIPAA for me I just want to know if I did it right or not. These are the things that want me to do.Answers each question in a comlete paragraph that includes an introductory sentence, at least
asked by kay 
AED204
what is a social factor?
asked by Mimi 
FRENCH
How does one translate "that will be fun" into French? Thank you!
asked by CC 
grammmar
fill in the blanks with the correct tense of the verb.1.1."The guests have,"said Mother(COME)
asked by ra ny 
math
how to subtract 6 3/10  4 11/15
asked by sharen 
Chemistry Confusion!
1 mol of an ideal gas expands under isothermal conditions (T=298.15K). The initial pressure and volume is 2.00 atm and 1.00L respectively, and the final pressure is 1.00 atm. Find the expansion work. The answer is w = 101.325 J. I am unsure how to
asked by Derek 
AED
help.. Many historical and current events are controversial, including multicultural, gender, and moral issues. Although teachers do not have to shy away from teaching controversial subject matter in the social studies classroom, they should approach the
asked by troyer0269 
IT 221
I need help or ideas of a project scenario, could someone help please?
asked by Sam 
physics
Ok, so I know the different kinds of forces (applied, normal, gravity, parellel, and friction). And I know how to sub in other numbers for those forces ( for example, Parallel force is equal to mass times gravity times sine theta). I also know the "base"
asked by Julia 
Help! with another math problem
What is 0.06% of 250? Please show the steps on how you got the answer...
asked by Lisa 
Mathamatics
I need help figuring out these two math word porblem: 1) A sales tax of 6% of the cost of a car was added to the purchase price of $29,500. a. how much was the sales tax? b. What is the total cost of the car, including sales tax? 2) During the packaging
asked by Tati 
Child Development
Identify the components of the information processing theory
asked by Laurie 
pre cal
What would cos2theta=1/2 be???
asked by becca 
Physics
How could it be possible thaat an object with a density greater than that of water could float on water.
asked by Fahad 
world history
in 18th century liberals stressed
asked by am 
Physics
Three part problem cant figure out the second and third parts (part 1 of 3) A cart loaded with bricks has a total mass of 12.9 kg and is pulled at constant speed by a rope. The rope is inclined at 20.6 ◦ above the horizontal and the cart moves 25.8 m on
asked by Johnathon 
pHYSICS
iTS A HARD QUESTION. wHAT IS THE FORMULA FOR SPEED? sOLVE TWO SPEED PROBLEMS WITH A DIFFERENT MISSING PART OF THE FORMULA.
asked by fahad 
trig
Which expression is equivalent to tan theta  sec theta/sin theta? A)cot theta B)cot theta C)tan thetacot theta D)tan thetasec^2theta
asked by Sha 
PHYSICS
hOW ARE ARROWS USED TO SHOW FORCE VECTORS
asked by fahad 
PHYSICS
WHEN AN OBJECT IS SUSPENDED IN WATER, IN WHICH DIRECTIONS ARE FORCES APPLIED.
asked by fahad 
trig
Use an addition or subtraction formula to write the expression as a trigonometric function of one number: tan75degreestan15degrees/1+tan75tan15=tanAdegrees =square root B Its asking for the value of A and B. I know A =60 degrees, what I can't figure out
asked by Natash 
science
why does horizon B contain mineral from horizon A ?
asked by jazzy 
science
why is the soil profile in a rain forest different?
asked by jazzy 
college
I am stuck with this question. Which system would one believe in and more effective control model or due process model.
asked by DJ 
math
5+2(x1) what does x equal and what are the steps to find it ??? PLZ HELP !!!!!!!
asked by vaishnavi 
math
52x+2=12 what does x equal and what are the steps to find it ???
asked by vaishnavi 
maths
hi guys i need to see working for this question 7(6+√7) thanks
asked by jesus 
English
I need to critique an opinion piece that must be more than six pages long. I'm having lots of trouble finding any such article. Everything I can find on the web is three pages or less. Any ideas?
asked by Cody 
PE
While I'm running the mile I feel a real pain in my legs and always stop after running a couple of laps. How do I jog and not stop even if there is pain
asked by LIza 
seience
1.Diffusion in gases is the property by which they have natural tendency to inter mix.Whether true or false.
asked by mimo 
methodologies
Medicare and Medicaid financial issues put constraints on? physician services? critical care centers public health outpatients services phsician services
asked by Debbie 
HR
I am kind of stuck on this question, I need some ideas or suggestions, thanks. Garbage collectors (belongs to a union) in a town wants higher pay (eg 17%),but the mayor know that there is no way that taxpayers will accept a settlement near that. What are
asked by Shane 
History
Why did relations between the United States and the USSR deteriorate after WWII?
asked by mike 
math need help please
Find the reciprocal of a.  1/10 (47) b. ½ / ¼ (hint: solve these first then find reciprocal of the answer)
asked by nonna 
psychology
Can someone help me with these questions, I am having trouble with them. 1. Traumatic events do not always result in a diagnosable psychological disorder. what factors determine how a person may be affected by one such event. 2. What are the four stages in
asked by Jenn 
math
Find the reciprocal of a.  1/10 (47) b. ½ / ¼ (hint: solve these first then find reciprocal of the answer) Responses
asked by nonna 
9th grade
How do you solve [x1]=[x+3]
asked by LIza 
business
You recently observed a meeting between Ron, (a production manager at your company) and a sales representative from “Big Machines Inc”. Big Machines Inc last year sold your company a major piece of production equipment. They are now trying to sell your
asked by Anonymous 
Trig
I was just wondering if anyone can explain the Law of Sines "Ambiguity Case" to me, in a way that is easy to understand.
asked by Ariel 
Geography
hello, can u please tell me some websites where i can find a descriptive journey through accra to cape coast, ghana
asked by numz 
Internation business
Select a company and country that interests you. You have been asked to evaluate the country you selected as a potential market for your product(s)/service(s) and present your findings to other managers of the organization in a memo. In your memo, be sure
asked by Anonymous 
physics
Describe the differences between the force of gravity and buoyant forces on a swimmer.
asked by fahad 
Physics
An object traveling through the air has what forces acting on it.
asked by fahad 
PHYSICS
aN OJECT TRAVELING THROUGH THE AIR HAS WHAT FORCES ACTING ON IT?
asked by fahad 
history
hi. I need to write an 8 page paper about charles finney that is due monday but the only thing online i can find is wikipedia. Can someone please help me.
asked by bill 
economies
True or False, South Africa was technologically developed country because of its policy of Apartheid and the international economic sanctions.
asked by me3598 
economies
What are the four major initiatives of the ninth five year plan of chine (19962000) I found three, fighting inflation, increasing international integration and productivity but I cannot find the forth.
asked by me3598 
Science
Give an example of when average speed would be used instead of instantaenous speed.
asked by Joe 
Geography
What is happening to the distance between Canada and europe
asked by Colin 
Chem. Copper and Chromium. Random Q...
So, I have a general chemistry test. My teacher said to know... "Copper and Chromium exceptions." I have no idea what that means. I am currently learning about Thermochemistry and the Quantum Theory of an Atom. Do you have any idea what this might mean??
asked by Sarah 
Grammar
a. john has become a rather good actor b. john has became a rather good actor Why is A correct?
asked by Lisa 
high school
If F(n) = F(n1) + (n1) F(5) = 11 What is F(1)?
asked by Ali 
SOSE
Help with good and bad points of dictatorship/tyranny????
asked by SAMMI^^^ 
English 1
How do you write a sonnet and a couplet and a quatrain. How do you know if a syllable is stressed or unsressed by just looking at the word
asked by LIza 
History
Why was an entirely new consitution needed according to Publius?
asked by Catie 
math
how to convert 2/3 into a decimal
asked by nonna 
English
1. Choose the things you should not do in a fire. 12. Choose the things you should not do when a fire breaks out. (Are both the same and correct?) 2. Separate what you have to keep at school from what you have to keep at home, and write the sentences
asked by John 
art
Where is clay found?
asked by yr65 
trig
Which expression is equivalent to tan thetasec theta/sin theta? I don't get this
asked by Sha 
Math help!
I am having trouble completing my homework on finding the amount when the percent and the base are given. I need help with this question: Find 10.7% of 485. can you show all the steps on how you got this answer?
asked by Lisa 
Math
What is 0.25% of 3000? I'll like if you'll show me the steps on how you answered this problem.
asked by Kiara 
Math help!
Find 12.8% of 625. Need help with answering this problem...
asked by Kiara 
problem solving
execute the indicated multiplications. (x2)(x^2+2x+4)
asked by tracy 
science
what kind of change is it when water goes through a water cycle
asked by sydney 
10th grade
how does the individual influence world events?give a current event example
asked by ashley 
on college
how to plan a 3 week job aid
asked by kenneth 
socialstudies
one example of a chemical in food that is not a nutrient is
asked by am 
trig
simplify and write the trigonometric equation in terms of sine and cosine. tan^2xsec^2x
asked by Natash