how do u draw the lewis structure for something like CO -2 over 3. do u add 2 electrons on to the oxygen when yur finding the number of valence electrons cuz thats wat i thought u did but then i got all those questions wrong so wat do u do
Discuss how the concept of time applies to ecological situations and evolutionary changes. Do ecological time and evolutionary time ever correspond? If so, what are some examples? i dont get this question at all...please help thanks in advance
the human services administrator
find at least 3 examples of mission statements for human services organizations. show how each one of the mission statements does or does not meet the requirements of a good mission statement. anyone have any links?
sorry about that. yes i meant x - (1/x). so i subbed in y for [x - (1/2)]^2, and used the quadratic formula. i have y = 77/12 +- root of (169/44) all divided by 2. i'm not sure where to go with this and how i should solve for x. please help
how would i factor (x - 1/x)^2 - 77/12(x - 1/x) + 10 = 0
Biology help please!
Biology help please!
well im guessing its because of the light, but im not sure what method to use???
Biology help please!
Okay for this i have to pick a hypothesis and prediction, and then write a paper, which one should i pick??? Observation: Have you ever noticed if you place a plant near a window, that after a while, the plant grows or leans toward the window? Question: Have you ever wondered ...
Is this for Axia College?
How can you use mutual in a good sentence?
How can you use mutual in a good sentence
can someone tell me what legislation is? post a summary of a current issue between native americans and the federal government, identify the legislation that you think is linked to the issue, and explain why you think there is a connection
what is the expanded form for 0.1234
what is the word form for 0.1234
You perform gel filtration and measure an elution volume of 25 ml. When you calibrated the same gel filtration column, the elution volumes of proteins of known molecular weights were as follows: 400,000 Da, 10 ml; 250,000 Da, 20 ml; 150, 000 Da, 30 ml; 100,000 Da, 40 ml. Plot ...
A magic square is a square of numbers with each row, column, and diagonal of the square adding up to the same sum, called the magic sum. Arrange the numbers, -1,0,1,2,3,4,5,6,and 7 into a magic square. How does the average of these numbers compare with the magic sum?
A magic square is a square of numbers with each row, column, and diagonal of the square adding up to the same sum, called the magic sum. Arrange the numbers, -1,0,1,2,3,4,5,6,and 7 into a magic square. How does the average of these numbers compare with the magic sum? --Please ...
COM 215 written communication
I need to write an informative message,positive message,negative message, and persuasive message. any suggestions??? These have to be business related
Math 12 - Review - Factoring
Plz show steps to this equation z^6-64 answer: (z+2)(z-2)(z^4+4z^2+16)
ETH cultural diversity
hi anyone have any good websites for this paper i have to do, or ideas: choose an ethnic group to which you personally belong ( im going to choose irish). write a 750-1000 word essay answering the following questions: *was the group colonized?or if it immigrated to the U.S *di...
Journal Entry of a Subordinate Group Member
need help finding information on fusion with the Native Americans
english COM215 axia
I asked my instructor and she said I am the one who planned the trip lol, but I have to write one letter of 350 words,about the things that i explained
english COM215 axia
okay for this scenario i have to write at least a 350 word response, and decide to whom the solution should be written to and why, and whether it should be email, memo, or letter: The trip scheduled for mexico during spring break has been cancelled due to the bankruptcy of the...
A rectangle garden is to be surrounded by a walkway of constant width. The garden's dimensions are 30ft by 40ft. The total area, garden plus walkway, is to be 1800ft^2. What must be the width of the walkway to the nearest thousandth?
How would you establish this identity: (1+sec(beta))/(sec(beta))=(sin^2(beta))/(1-cos(beta)) on the right, sin^2 = 1-cos^2, that factor to 1-cos * `1+cos, then the denominator makes the entire right side 1+cosB which is 1+1/sec which is 1/sec (sec+1) qed using sec(beta) = 1/co...
ANGULAR SPEED OF A RACE CAR. A race car is driven around a circular track at a constant speed of 180miles per hour. If the diameter of the track is 1/2mile, what is the angular speed of the car? Express your answer in revolutions per hour(which is equivalent to laps per hour) ...
How would you balance this reaction(it's a half reaction problem): H2O2+ClO2-->ClO2+O2 (basic solution) thanks. i'm just confused b/c its a basic solution. all i know is that you have to add OH to it or something. thanks again for helping. add OH and you will get H2...
Find two Web sites dealing with indigenous cultures and/or religions. Discuss how modern civilization has impacted the spiritual lives of the indigenous peoples you explored. Are the indigenous religions still being practiced today? If so, how have the practices changed over t...
what does an enzyme NEVER do with its substrate? the answer is 1 word that is 6 letters long. There are probably 300 words in any dictionary that will fit this. Do you have a vocab list in your lesson?
Division Polynomials 2x square + 4 /2x 2x^2 + 4/(2x) = 2 (x^2 + 1/x) What are you dividing BY? dividing by 2x
A race car is driven around a circular tract at a constant speed of 180 miles per hour. If the diameter of the track is 1/2 miles, what is the angular speed of the car? Express your answer in revolutions per hour. I know the answer is 114.59 revolutions per hour, but I don'...
Find the exact value of each expression(no calculator): 1) sin^2(30degrees) + 1/sec^2(20degrees) 2) sec(50degrees)*cos(50degrees)
How do you find: cot(-5pie/4)? you have to know that cotx = 1/tanx so you could just trustfully change your calculator to radians enter 5*pi/4, press =, press +/-, then press Tan, =, then the 1/x key you should get -1 or... you could do it the more rewarding way without a calc...
The minute hand of a clock is 8 inches long. How far does the tip of the minute hand move in 30 minutes? How far does it move in 20 minutes? For 30 min. I got 8pie inches. For 20 mins., I got (16pie/3)inches. but i don't know if these answers are correct. if my answers are...
What's $11.49 for 3 packages
Two quotes dealing with puns in act one and two in Romeo and Juliet.And a 3-5 analysis. Best look in the text for these items. Here's a link in case you left your book at school: http://shakespeare.mit.edu/romeo_juliet/index.html Once you have some ideas, please let us kno...
essay intro help
hi everyone. i was wondering if someone can take a look at my introduction paragraph& thesis and give me comments/critiques. thanks!!! Vernacular language allows a subculture to distinguish itself from the mainstream and literary culture. Vernacular lyrics are often overlooked...
2. an iceskater of mass 100 kg starts to glide at 10 m/s and comes to rest. how much ice is melted? assume that half the heat generated by friction is absorbed by the ice and that the ice is at its melting point. Heat from skater* .5 = Lf*massice. 1/2 massskater*100*.5= Lf*mas...
Hello! I wrote an essay comparing and contrasting Anglo-Saxon vernacular riddles and Emily Dickinson literary poetry. Since my essay is 9 pages long, can someone just look over my intro and conclusion. Those are the two I'm having trouble with. If someone is kind enough to...
Are the words "To Whom It May Cornern" all capitalized in a letter? Is that statement followed by a colon (:) or semi-colon (;)? Yes. But that is the last resort on a letter, it ought to be addressed to the person whom you intend to read it. To Whom It May Concern: T...
Gas X has a density of 2.60g/L at STP. Determine the molar mass of this gas. Sorry there was some typos on the previous question. please show me again steps by steps. thank you =] Same answer. You just left the g off the density. One mole of ANY (ideal) gas occupies 22.4 L at ...
Gas X has a density of 2.60/L at STP. Determine the molar of this gas. Please show me the steps to solve this problem. thanks You just need the definition. One mol of a gas at STP occupies 22.4 L. You have the mass of 1 L. Just calculat the mass of 22.4 L. Piece of cake.
What climate and topographical factors help reduce air pollution? Prevailing winds from the ocean, high frequency of rain and absence of high mountain ranges around an area help to reduce air pollution.
Note that 987 is the cost including tax. Hint:x= Cost of the materials then, x+5% of x=987. Then, solve for x.
how do u convert from ft^3 to Liters. i know that 1 liter=1 dm^3, but i don't know where to go from here 1 (cubic foot) = 28.3168466 liters :) Matt 1 cubic foot = 12*12*12*cubic inches =1728 inches^3 but 1 inch = 2.54 cm so 1 cubic inch would be 2.54^3 or 16.387064 cm^3 th...
This will not be endured!he roared
A 35g sample of Fe is dropped into 80g of water at 20 degrees Celsius. What is the final (equilibrium) temperature of the iron/water? This isn't really a chemistry problem. There will be no chemical reaction. It is a heat capacity (physics) problem. Use the specfic heats o...
A poem in the 1930-1960's that relates to "How To Kill A Mockingbird"?I have to write a five paragraph paper discussing how the poem relates to one of the following from To Kill a Mockingbird:themes,social,issues,or a character.I am having major problems finding ...
i know that if u have good grades or if u take driver's ed, ur insurance is less, but does anyone know if they choose both, or only one? That depends upon the insurance company. I suggest you check this site, then call agents for several different companies to get their ra...
wat is moral imperfection? in your own words You need to do it in your own words. Moral imperfection is not immorality, but can lead to it. Lying is a moral imperfection, as is stealing, or cheating. Note to Michelle: When talking to your friends, using shortcuts is fine. When...
write as a single logarithm: ln(x/x-1)+ ln(x+1/x)- ln(x^2-1) please show me the steps. thanx Michelle, I hope you know the three main rules of logs. 1. log (AB) = log A + log B 2. log (A/B) = log A - log B 3 log A^n - n log A Using these rules and guessing at your order of ope...
what is radical 2 + 2radical 6 Are you asking for the decimal equivalent? Your calculator is your friend.
2nd attempt Essay for Photography
I posted this before, but failed to paste the essay! oops.. haha. So here's the essay. Please proofread and critique and comment. I'm not so sure about the conclusion. It feels a little weak to me..thanks!!! People seek the answers of their own questions about their li...
Research paper for photography
Hi! This is an essay I wrote on Duane Michals for my photography class. Can someone please proofread - I'm rusty on writing essays. Also, can you give my comments and critiques, especially conclusion...I think it's a little weak... THANKS! p.s. I started it off with a ...
Can you please help me figure out why evaporation is a cooling process and why becoming a solid is a heating process? evaporation absorbs heat from the environment, thus "cooling" the environment. becoming solid is a heating process as heat is moved from the mass bei...
Is (like) a linking verb? When used as a verb, "like" is an action verb. He likes her. She likes ice cream. They like their new coach. =)
Intro and conclusion
Hi! I wrote in here a few days ago about my thesis. I was wondering if I could get some feedback on my intro and conclusion. I think Im just about done with my essay, with the exception of these two portions. Thanks! Intro: The riddles in A Feast of Creatures historically repr...
1. in which group is bromine found(on the periodic table)? 2. what is the name of its chemical family? 3. in which group is magnesium found? 4. what is the name of its chemical family? 5. in which group is potassium found? 6. what is the name of its chemical family? You can fi...
write as a single logarithm: -2logbase3(1/x)+(1/3)logbase3(square root of x) please show the steps to solving this. thanx. remember that 1 log (AxB) = log A + Log B (same base) 2 log (A/B) = log A - log B 3 log A^n = n log A use these three rules and it becomes an easy question.
Hello! I have an essay due soon, and I need some help with my thesis statement. I haven't written an essay for a few years so if someone can critique and comment on the thesis it would help out a lot. Thanks! Here it is: Although some might argue that riddles are mere chil...
i need help on 2 questions. heres the scenario, Connie Craft lives in Stockton, which is located in San Joaquin County in California. She stole a new computer from her neighbor's home and was arrested within an hour in her own home, where the computer was immediately found...
can you tell me what are the main differences you see between a cheek cell and a onion cell and the different mag at x10 or x40, what type of function is cheek cells
identify the element which is colored, forms a diatomic molecule, is a solid at room temp., is a nonmetal, and has a low ionization energy compared to other elements of the same family. Have you considered iodine?
literature-the feminine mystique
I am currently reading the Feminine Mystique by Betty Friedan for language class. I need only one passage that is the most important one of the book...problem is, I don't have the book with me haha! If anyone has it, and has read it, they would be a TREMENDOUS help! thank ...
calculate the amount of heat evolved in the complete oxidation of 8.17g of Al at 25 degrees C and 1 atm pressure. change in H for Al2O3 is -1676kJ/mol. 4Al(s) + 3O2(g)--> 2Al2O3(s) please giv me the steps to solving this thanx. delta H = -1676 kJ/mol How many mols do you ha...
A mother is twice as old as her daughter now, but ten years ago, she was 3 times as old as her daughter. Fins their ages at present. I tried to form an equation: 2x-10=3x, but that didn't work. Could someone help me forma working equation for it, and I can take it from the...
how much water do oyu need in wheat Please explain your question. Are you asking how much water is needed for wheat to grow? Or are you asking for the water content of wheat grains?
Chemistry- Organic Reactions
Can anyone help me with this question: I have to show how I would synthesize the molecules: hexanol, bromo-2-pentene, and ethoxypropane by using the starting matierials: -benzene -bromocyclopropane -butanoic acid -chlorine gas -cyclohexane -ethanol -ethanal -heptanol -2-hexene...
how might an industrial chemist increase production of their plant with knowledge of reaction rate. please explain.
I'm having trouble solving this percentage concentration problem: A student wants to make 5.00% solution of rubidium chloride using 0.377g of the substance. What mass of water will be needed to make the solution? [g RbCl2/(g RbCl2 + g H2O)]x100 = 5.00 Solve for g H2O. A da...
was this group effected by any of the following forms of discrimination, or did it participate in any of the following forms of discrimination? if so, describe: Redlining, Double jeopardy, Institutional discrimination, Reverse discrimination, Glass ceiling, glass walls, or gla...
is the molar mass value of a volatile liquid, such as ethanol, high or small? Usually small, but there are exceptions. The ability to be volatile means that the attractive forces between molecules in the liquid and vapor have to be small, so non polar molecules are the rule. A...
God the Farther, the Son and the Holy Spirt together are called the....... Trinity
a) calculate the heat of reaction, in kilojoules, for the reaction: 2NO2(g) + 3H2(g)--->2NH3(g) + 2O2(g) b) is the reaction endothermic or exothermic? how can you tell? I will be happy to critique your work on this. You will have to look up the heats of formation.
wat political "sub-units" make up the UK? The official name of the UK is the United Kingdom of Great Britain and Northern Ireland. Great Britain's sub-units are England, Scotland, and Wales. These entitities are further broken down into counties, buroughs, etc. F...
How did human history in North America during the period described in the prologue differ from the events of Asia. Thank you for using the Jiskha Homework Help Forum. Remember when you ask for help to be as explicit as possible. To which prologue are you referring? Sorry if th...
what is the kinetic energy, in J, of a)an Ar atom moving w/ a speed of 650m/s b)a mole of Ar atoms moving w/ a speed of 650m/s? a) K.E. = (1/2) M V^2 For M, use the mass of an Argon atom. It equals 0.040 kg (40 g) divided by Avogadro's number. M must be in kg to get the K....
A 0.345g sample of anhydrous BeC2O4, which contains an inert impurity, was dissolved in a sufficient water to produce 100ml of solution. A 20.0ml portion of the solution was titrated w/ KMnO4(aq). The balanced equation for the reaction that occurred is as follows: 16H^+(aq) + ...
a)Calculate the mass percent of carbon in the hydrated form of the solid that has the formula BeC2O4 loosly bonded to 3H2O. b)When heated to 220degrees C, BeC2O4loosly bonded to 3H2O(s) dehydrates completely as represented below: BeC2O4loosely bonded to 3H2O ==> BeC2O4 + 3H...
Al + Fe^3+ -> Al^3+ + Fe^2+ which substance is being oxidized?which is being reduced? which substance is oxidizing agent? reducing agent? how many electrons are exchanged in the reaction above? also: why is Fe^3+ not reduced to Fe? Oxidation is the loss of electrons. Reduct...
How many grams of Aluminum will react w/ 1 liter of a 1M solution of Fe^3+? wat steps do i need to take to solve this? Al + Fe+3==> Fe+2 + Al+3. Here are the steps for solving a stoichiometry problem. Step 1. Write the balanced equation. You have the equation; it must be ba...
what is the concentration of hydrogen ion in a 0.1M solution of sodium hydroxide(NaOH)? NaOH dissolves and completely dissociates in H2O to form the ions. NaOH ==> Na^+ + OH^- Therefore, starting with 0.1 M NaOH will give you 0.1 M in Na^+ and 0.1 M in OH^-. You know Kw=(H^...
calculate the pH of pure water. (recall that pH= -log[H+]) Hopefully the following site will help you: http://en.wikipedia.org/wiki/PH
Calculate the hydroxide ion concentration of pure water. Use the fact that the pH of pure (neutral) water is 7.00. The look up the definition of pH. You can also get it from the dissociation costant of the H2O -> H+ + OH- reaction. To review that, see http://www.sensorex.co...
Just wanted to know if I have named the following compounds correctly..and wanted to know if there are any short-hand or easier methods of naming organic compounds because they are a bit confusing!I tried drawing structural formulas for the following as well..I don't think...
Ok, I really need help!! In my english class, we are supposed to find two examples of onomatopoeia in the poem "Porphyria's Lover" by Robert Browning. I can only find one!! Any ideas, anyone?? Thanks! Murmuring? thanks, but that's the one that i already found...
english final exam essay question
in your opinion, is the ladies' paradise a feminist novel?
If two parallel lines are cut by a transversal then the bisectors of a pair of corresponding angles are? also parallel ask your teacher thats what the're there for
How does one distinguish between prejudicial and nonprejudicial when using rhetorical divices? Posted by Ms. Sue on Tuesday, June 20, 2006 at 9:47am. Check these sites to help you answer your question. (Broken Link Removed) http://en.wikipedia.org/wiki/Rhetoric ---------------...
Radicals w/rational exponents
Could someone please help me with this. Assume nonnegative and simplify. v45 + v80 - 3 v20 I couldn't figure out how to insert the radical sign so the v represents the radical sign. (3v5 + v3)(v2 + 2v5) (v3+ 4v7)2square ans=root of 5 sqrt45 + sqrt80 - 3 sqrt20 sqrt9*5 + sq...
What are muslim North Africans called? One name for them in history was Moors. http://dictionary.reference.com/browse/Moor
dose anyone know how orientalist and prejudices is contributing to hate crimes?
For those of you howm are being negitive and unnessasarily obsen to anyone on this site please stop th whole idea of distance learning is to communicate with others and do the best you can assuming that everyone is on the same level as you or in the same mind fram is ignorant ...
Investigate the economy of the Philippines and its neighbors (be sure to cite your sources
Is 40ml of oil denser than 25ml of vinegar? and are most chemical changes easy or difficult to undo? Density equals weight Divided by volume, so the amount of ml (volume) makes no difference. Vinegar is denser than oil. That's why when you put the 2 together, the oil float...
A 0.85-g sample is dissolved in 0.150 kg of bromobenzene. Determine the molar mass of the solute if the solution boils at 429.0 K at 1 atm pressure. The normal boiling point of bromobenzene is 428.1 K and the ebullioscopic constant is 6.26 K kg mol-1. A 0.85-g sample is dissol...
I have to write an essay on one of the two topics for "The Ladies' Paradise" by Emile Zola: #1 - How does the "struggle for survival(or existence)"(both forms are used in book) work in the first few chapters? OR #2 - How does Mouret "exploit" ...
in the book "the Ladies' Paradise" by Emile Zola, how does Mouret (the owner of the Ladies' Paradise Shop) exploit women to help his business? I have not read this story, but if you go to http://www.google.com and enter "the Ladies' Paradise" Zo...
In Le Morte de Arthur, how does Arthur feel about the deal that his negotiators reach with Mordred? A) Relieved B) Betrayed C) Bewildered D) Grudgingly accepting
electrical trade theory. Help n Hurry!!!
hello i'm struggeling with the following questions... Compare the no load speeds of shunt and series connected motors? compare the starting torque of a shunt and series motors? can someone help me? http://zone.ni.com/devzone/cda/ph/p/id/47