1. structure and function of the human body

    What is the importance of ATP? explain where carbohydrate metabolism occurs in the cell, what additonal ingredient is needed and what waste product is produced in this process?

    asked by Liz on November 27, 2012
  2. Science

    A __________ is a rule that describes the behavuor of something in nature usually without explaining why the behavior occurs Please help and quick! That's two freebies. Give us your feedback on the others and someone will review your work.

    asked by jake on September 28, 2006
  3. Foundation of a Healthy Lifestle

    Because of the potential effects of chromosomal abnormalities, a child's development begins: A. at conception B. at birth C. when embryo becomes a fetus D. when viability occurs --Is the answer C?

    asked by Brigette on October 14, 2016
  4. Thermodynamics

    Two objects are at different temperatures,and occurs thermal equilibrium, does the size of the object affects the transfer of heat? I need help. This doubt is not allowing me to continue in my homework.

    asked by Larry on February 2, 2017
  5. Physics

    When a solar flare erupts on the surface of the sun, how many minutes after it occurs does its light show up in an astronomer's telescope on earth? I am totally confused..help!

    asked by J on March 31, 2008
  6. Grd 12 U English

    I am the discussion director for my group. I have to grab 4 reallyyy good discussion questions for the book The Kite Runner. I already found one good question, I need the other 3. It has to be from chapter 1-3 PLEASE help me out, i'm so stuck, honestly I

    asked by Kristen on July 8, 2013

    I ask questions on this website all the time and i realized that you probably are busy all the time! I Want to thank you!! I notice how you talk to other students and you are very helful and nice! i think everybody apriciates what you do! i have a lot of

    asked by Unknown on December 10, 2012
  8. Chemisty-Dr.Bob222

    Determine the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solutions to the left. a. 0.035 M BaNO3; NaF b. 0.085 M CaI2 ; K2SO4 c. 0.0018 M AgNO3 ; RbCl My work: Are my answers correct? a.

    asked by Nevaeh on May 21, 2016
  9. Statistics

    A survey organization takes a simple random sample of 625 households from a city of 80,000 households. On the average, there are 2.30 persons per sample household, and the SD is 1.75. Say whether each of the following statements are True or false and

    asked by Joyann on October 26, 2011
  10. Math

    Select all the true statements about identities. A) You may use proven identities to prove other identities. B) An identity is true only for restricted values of the variables. C) You can prove an identity by graphing the side to the left of the equal

    asked by TeeKay on October 14, 2014
  11. Math

    I have a math sheet for homework and most questions are similar to the following: Bob is making treat bags for his daughter's birthday party. he decided to use the recipe below for each bag. 1/3 cup peanuts 3/4 cup pretzels 1/5 cup raisins 2/3 cup popcorn

    asked by Bryan on October 14, 2008
  12. Calculus - Maths

    I got a few questions. Hope ya'll can help out. 1) for F(X) = 6x - 2x^2 Find the gradient of the chord joining the point where the X coorinates are 1 and (1+h) respectively. b) hence find the gradient at x=1 2) Find the Coordinates of the point on the

    asked by xxCeLoL on November 26, 2007
  13. English

    8. What does Aibo have in his eyes? He has two cameras in his eyes. 9. What can Aibo do with these cameras? He can watch houses. 10. Aibo takes pictures of strangers. Then, what does he do? He sends them to the owner's phone. 11. What can't PaPeRo do? He

    asked by rfvv on June 2, 2012
  14. English

    Can you please help me formulate the questions better and answer the last two yourself? Thank you very much. 1) I quarrelled (argued) with my best friend because I refused to let her copy the maths test (from mine?). 2) She is cross/furious with me now.

    asked by Mike on March 17, 2011
  15. Trigonometry

    Find all solutions between 0 and 2pi. Round to two decimal places. In radians. Find all solutions between 0 and 2 pi. Round to two decimal places for the final solutions. The answers should be in radian mode. If you can use exact values use them. At least

    asked by Taylor B on May 13, 2013
  16. Environmental Science

    I need a little help on these, i've posted them a few times but i don't get any answers. 29. A common feature of thermal pollution and artificial eutrophication is that they both a. have sources that are difficult to identify and control b. cause large

    asked by y912f on February 8, 2010
  17. 7th grade leadership

    This homeschooling group expects you to work harder than a college student. I need 5 subsidiary questions on "How is carrying capacity related to food supply" (you can say agriculture for the food supply) The teacher expects me to get these questions

    asked by Sophia on August 30, 2010
  18. Math

    I am trying to help my son in Algebra, the only thing is that I have forgot some of these thing.He has a word problem I can not figure it out please help a mother help her 9th grader. Q- The polygons below are similar. Find the unknown side lengths if

    asked by Mary on November 13, 2007
  19. math,help

    the problem says: one day, the temperature at 2:00AM was 44 degrees farenheiht , and by 2:00PM the temperature was 68 degrees farenheit. WHat was the hourly rate of temperature change? the possible answers are to pick from (a) 1 f/h (b) 2 f/h (c) 3f/h (d)

    asked by Jasmine20 on January 26, 2007
  20. What Is Happening to my Posts?

    you have to ask a homework help question, not talk about korean foods, you cant just spam the forum Al, I was talking about botin-tang, a soup from my country; not 'spam.' I don't even eat spam... yuk :( im not talking about the food spam, spam is when you

    asked by Al on March 31, 2007

    Political parties are a principal means by which the people’s will is made known to the government and government is held accountable to the people. Briefly describe party functions that achieve these goals.

    asked by Ciaria on March 18, 2015
  22. finance

    You take out a 25-year $210,000 mortgage loan with an APR of 12% and monthly payments. In 16 years you decide to sell your house and pay off the mortgage. What is the principal balance on the loan?

    asked by Anonymous on November 20, 2012
  23. investing

    A 5% coupon bond with 9 years to maturity has a yield-to-maturity of 7%. Assuming the coupons are paid semi-annually and the principal amount is equal to 100, what is the price of the bond?

    asked by Anonymous on May 13, 2013
  24. business math

    Matty Kaminsky owns a new Volvo. His June monthly interest was $400. The rate is 8 ½ percent. Matty's principal balance at the beginning of June is: (Use 360 days)

    asked by tony on November 20, 2011
  25. money and banking

    you bought a bond for $10,000. You received interest of $400 at the end of the year, as well as your $10,000 principal. If the inflation rate over the last year was five percent, calculate the real return.

    asked by Jaye on October 27, 2010
  26. American History

    Political parties are a principal means by which the people’s will is made known to the government and government is held accountable to the people. Briefly describe party functions that achieve these goals.

    asked by Alex on December 15, 2015
  27. speaking your mind

    what is the importance of speaking your mind? It depends on your mindset. Some have power needs, some have attention needs, some have emotional needs to hear themselves, and some have mouths that just seem to be connected to a Duracell battery. One can not

    asked by anonymous on January 25, 2007
  28. Chemistry

    Need help with this lab: (sorry so long) Hypothesis: The amount of product will be regulated by the limiting reactant. Procedure: First, I took two test tubes from the Glassware shelf. I added 6 mL of the copper sulfate solution to one, and 6 mL of the

    asked by anonymous on November 14, 2009
  29. 9th grade

    Please answer the following questions in brief paragraph form. Use complete sentences with proper spelling, punctuation, and grammar. Place your answers in the box below and then click the Submit button at the bottom of the page. 1. What are instances in

    asked by Jasmine on November 10, 2008
  30. Inorganic chemistry

    MnO4^-(aq) + H20(l) ==> MnO2 + OH^- net charg is -1 +7 (-8) ==> 4(-4) Manganese is reduced MnO4^- +3e- ==> MnO2 H2) is the oxidizing agent in a basic solution Mno4^- + H2O(l) --> MnO2(s) + OH^- Add on OH^- to both sides of the equation for every H+ ion

    asked by Steve on April 14, 2009
  31. math/prob stat

    Testing for Alzheimer's disease can be a long and expensive process. Recently, a group of researchers devised a 7min test to serve as a quick screen for the disease. A patient who tested positive would then go through the more expensive battery of tests

    asked by Ashley on March 30, 2010
  32. english

    I need help on passive voice. Is the following sentence passive voice? The results of the aptitude test were told to us by the principal.

    asked by Justin on December 8, 2009
  33. Chem

    What simplifying assumptions do we usually make in working problems involving equilibria of salts of polyprotic acids? Why are they usually valid? Answer by selecting all true statements. Are the answers: a,b,d,and f A)If the two ionization constants are

    asked by Lenny on February 27, 2015
  34. Chemistry

    Could someone please check my Chemistry homework? The molecular formula for cisplatin, a chemotherapy agent, is PtCl2(NH3)2 (The numbers are all supposed to be subscripts) 1. What is the molar mass of cisplatin? Ans: 300.06 g/mol 2. How many moles of

    asked by Nathalie on January 13, 2008
  35. statistics

    The latest in the "You may be a redneck if . . . " genre has produced a simple questionnaire. If more than 80% of the questions are answered in accordance with redneck"philosophy" (e.g., "You may be a redneck if grade 4 was the best 5 years of your life")

    asked by simone on December 8, 2012
  36. fohi

    From Dictionary.com: Dictionary.com Unabridged (v 1.1) - Cite This Source fal·la·cy /ˈfæləsi/ Pronunciation Key - Show Spelled Pronunciation[fal-uh-see] Pronunciation Key - Show IPA Pronunciation –noun, plural -cies. 1. a deceptive, misleading, or

    asked by Ms. Sue on July 11, 2007
  37. Pre-Calculus

    A.Verify the identity. B.Determine if the identity is true for the given value of x. Explain. Sec(x) / tan(x) = tan(x) / [tan(x) – cos(x)],x = π I already solved A and I believe it's true; however, I need help with B.

    asked by Iris on October 5, 2016

    How would you rewrite the following claim to remedy problems of ambiguity? Do not assume that common sense by itself solves the problem. "I am a huge Mustang fan." --- Ford Mustang advertisement ANSWERS: 1. I am a big man, and I like Mustangs. 2. I like

    asked by Jim on November 7, 2010
  39. Biology

    Which of the following cells check for during the G2 check point? a. Growth hormone c. DNA integrity b. Nutritional status d. Cell size In mitosis, if a cell has 4 chromosomes in prophase, how many chromosomes will this cell have in metaphase? a. 64 b. 32

    asked by John on October 20, 2013
  40. Geometry

    Can you tell em if this is right? If not, can you tell me what words go where? A truth value statement can be written in the form “if P, then Q.” This “if, then” statement can be true or false. The “if” part is called the hypothesis, and the

    asked by Joel on October 9, 2012
  41. Math

    A farmer was taking her eggs but they all fell on the floor. She didn't know how many eggs she had. But then she remembers when she put them in groups of two, there was one egg left over. When she put them in groups of three, there was also one egg left

    asked by Jessica on September 15, 2006
  42. Algebra

    Which of the following expressions is true? A)4^3 x 4^4 = 4^12 B)5^2 x 5^3 > 5^5 C)3^2 x 3^5 = 3^10 D)5^2 x 5^4 < 5^8 Which of the following expressions is true? a)2^4 x 2^3 = 2^12 b)3^3 x 3^6 > 3^8 c)4^2 x 4^2 > 4^4 d)5^2 x 5^2 = 5^10 I don't get how to

    asked by Baby_Banana on April 25, 2018
  43. English

    What are you good at? I am good at driving my car. Why are you a good student? Because I listen to the lectures of teachers at class. Why are you a good daughter? Because I help Mother wash clothes with a washing machine. Why are you a good son? Because I

    asked by John on May 23, 2009
  44. chemistry

    Choices: True,False. Select all that are True. The pH at the equivalence point of a weak base with a strong acid is expected to be less than 7 because of the presentce of the conjugated acid in the water. One cannot prepare a buffer from a strong acid and

    asked by paul on November 26, 2011
  45. Science check my answers please

    1. Convert 4.0 kilometers (km) to meters (m). (1 point) 0.04 m 40 m 400 m 4,000 m (my answer) 2. For his science project, Austin wants to determine if the pH of standing rainwater changes over time. He collects a jar of rainwater and places it indoors in a

    asked by OCA student on October 2, 2017
  46. CJS210

    Can someone please help me find a website to answer these following question? Describe various types of police agencies at the local, state, and federal level and how each is organized. Identify the principal roles and functions of police organizations and

    asked by Sade C on June 9, 2012
  47. Accounting

    On March 1, 2013, the company lent a supplier $23,000 and a note was signed requiring principal and interest at 9% to be paid on February 28, 2014. If the journal entries are intrest recievable intrest revenue how much should I allocate to each section?

    asked by Anonymous on September 11, 2014
  48. statistics

    To observe the effect of increasing sensitivity, assume a blood sugar screening level of 130 mg percent, with a sensitivity of 44.3% and a specificity of 99.0%. Set up a two by two table with the appropriate numbers in each cell. Calculate the following

    asked by jessy on November 21, 2016
  49. Research writing

    1. A blowout, or a flat tire that occurs suddenly while you are driving, can be frightening. sudden suddenly -------------------------------------------------------------------------------- 2. Blowouts happen less frequent than they used to. frequently

    asked by Nikia walker on September 22, 2008
  50. Science HELP!!!!

    1.To study a rock sample, geologists observe the rock's mineral, composition, color, and temperature. true false*** 2.finds a rock with layers and smaller pieces of other rocks embedded in it. the rock is most likely A igneous B sedimentary*** C

    asked by ZOBO322 on March 10, 2016
  51. AP Chem (Thanks!)

    Hey guys! Stuck on some! My maybe answers are written next to the problem (1 problem-5 parts). Thanks for any help: 1. Lead (II) chromate, PbCrO4, is a slightly soluble salt. Write a net ionic equation for the dissolution of solid PbCrO4 in water. My

    asked by Allie on October 22, 2015
  52. math

    Beth Dahlke is taking a ten question multiple choice test for which each question has three answer choice only one of which is correct. Beth decides on answers by rolling a fair die and making the first answer choice if the die shows 1 or 2 the second if

    asked by Andrew on November 20, 2012
  53. math

    Beth Dahlke is taking a ten question multiple choice test for which each question has three answer choice only one of which is correct. Beth decides on answers by rolling a fair die and making the first answer choice if the die shows 1 or 2 the second if

    asked by Katarzyna on November 19, 2012
  54. Medical billing and coding

    research project APA style, regarding:P POA indicator questions. I want to know if I need to post the questions, and then answer them, or do I just use the format for numbers and than answer. I have never done APA style, and this is really puzzling me.

    asked by Teresa on April 30, 2014
  55. Spelling

    I have tried so many ways to do these questions, but I cannot figure it out. Word Bank crunch thoughtful batch theater cloth harsh birch scratch whittle switch 1. My aunt likes to ____________ small figures from the trees branches. 2. The _____________

    asked by Anonymous on January 16, 2008
  56. Chemistry

    Hydrogen peroxide is used as a bleachin agent, a disinfectant and medicinally as a topical antibacterial agent. Hydrogen peroxide decomposes according to the reacton 2H^2O^2(l)-->2H^2O(l)+o^2(g) A. Given the standard free energy of formation values shown

    asked by Christian on May 16, 2007
  57. Math 7 A

    Note: For questions 5 and 6, remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. You can use the comments field to explain your work.

    asked by jesse on November 20, 2017
  58. Math

    Instructions Suppose we have a sequence (1), (2, 3), (4, 5, 6). (7, 8, 9, 10), (11, 12, 13, 14, 15), ... where (1) is the first element of the sequence, (2, 3) is the second, etc. What is the first number in the 100th element of the sequence? Be sure to do

    asked by Stinkrat on February 9, 2013
  59. Calculus

    If f is a continuous function with even symmetry and lim x→∞ f(x)=10, which of the following statements must be true? I. lim x→∞ f(x)=10 II. there are no vertical asymptotes III. The lines y=10 and y= -10 are horizontal asymptotes a) I only b) II

    asked by Maria on December 4, 2018
  60. Physics

    At a distance H above the surface of a planet, the true weight of a remote probe is six percent less than its true weight on the surface. The radius of the planet is R. Find the ratio H/R.

    asked by vanessa on February 22, 2018
  61. Math

    If the graph of f ′(x) is continuous and decreasing with an x-intercept at x = c, which of the following must be true? The graph of f has a relative maximum at x = c. The graph of f has an inflection point at x = c. The graph of f has a relative minimum

    asked by Rich on January 31, 2018
  62. Biology

    Sort the terms and phrases as to whether they function in or describe primary growth or secondary growth? Place each term or phrase to the appropriate bin. If the term or phrase describes both primary and secondary growth, place it to the "both" bin. If

    asked by Thomas on March 9, 2014
  63. Calculus

    HELP....last question SOS HELP Consider the statement lim X-->1 X©ø-6X©÷+11X-6 / x-1 = 2 USING THE DEFINITIONS OF THE LIMIT STATE WHAT MUST BE TRUE FOR THE ABOVE LIMIT TO HOLD, THAT IS, FOR EVERY ¡¦, THERE IS ..., SO THAT¡¦. Use a specific function

    asked by Ellen D on May 7, 2014
  64. Math

    Hi, this is a question I posted a couple of days ago and answers below.I am still really confused and unfortunately can't copy a picture into this. I thought it would be y-x but have no idea how to calculate that, but as the pistons move in towards each

    asked by Melody on October 15, 2009
  65. to ms.sue

    the table below shows the approximate population for the 10 least populated countries in the world.use the data to estimate answers to the problem. vatican city 900 tuvalu 11,000 nauru 13,000 palau 20,000 san marino 28,000 manaco 32,000 liechtenstein

    asked by Celest on April 11, 2012
  66. Science

    Give examples of advancing technologies in criminal justice within information and dispatching systems. Also, include about how resources allocation benefits from improvements in those areas. Please post your answers based upon your readings, class notes

    asked by Karen on August 9, 2007
  67. Math

    I need some help with this problem please!! your parents are installing a rectangular in-ground pool with the dimensions 24 feet by 10 feet. They decide to place a walkway around the pool 3 feet wide. What is the area of the proposed walkway? Answers: a.)

    asked by Taylor Leigh on April 23, 2012
  68. Math

    Hey, Ms. Sue, or anybody that is apart of this association. I already tried reviewing this answer, but I didn't seem to get anything. I'm clueless over this answer, so.. Can you please help? I've been stuck on this, and nobody wants to help me. This is the

    asked by I don't give my real name. But it's Lexi for short on January 22, 2015
  69. Government

    Please check my answers 1. Which of the following make up the structure of nearly all county governments? (I need to choose 4 answers) A. Appointed bureaucrats B. Boards or commissions * C. A county judge * D. Elected officials * E. A Governing body F. a

    asked by my_crafting on December 11, 2018
  70. Government US

    28. One reason why the Soviet Union eventually collapsed was its a. heavy defense expenditures. b. isolation from western technology and markets. c. inefficient centralized command economy. d. perestroika initiative. e. All these answers are correct. I

    asked by EricaSalazar on November 2, 2011
  71. physics

    During an experiment that Paul and Dawn performed the stretch of a spring was directly proportional to the force applied to the spring. When they put the data on a graph, they would expect to have what type of curve? Answers: Hyperbola, parabola, straight

    asked by Lily on January 26, 2009

    Write 5 multiple-choice exam questions on any topics of your choice. A good question should be of sufficient difficulty and perhaps have a good background story? Try to change questions you've seen previously? Post your favorite question to the blackboard

    asked by GEORGE on July 9, 2015
  73. math

    1. Is this student's work correct? ( 9 x 10^3 ) ( 5 x 10^2 ) = ( 9 x 5 ) ( 10^3 x 10^2 ) = 45 x 10^3+2 = 45 x 10^5 A. Yes. The student rewrote the problem and then multiplied correctly. *** B. No. The student should have changed the scientific notation to

    asked by check my answers please!! on September 25, 2018
  74. chemistry

    The solubility of the oxidizing agent potassium permanganate is 7.1 g per 100.0 g of water at 25° C. What is the mole fraction of potassium permanganate (KMn04) in this saturated solution? What is the molality of the potassium permanganate solution?

    asked by thanh on March 14, 2008
  75. Customer Service

    1. Which of the following is strategies my best ensure a positive relationship with supervisor? A. Answering any criticism concerning your job performance with a strongly worded defense B. Gathering answers to any questions you may have regarding your

    asked by Shamie on September 25, 2013
  76. Biology 20

    Identify one biochemical that is of particular significance to your animal. Explain why it is significant to your assigned animal and describe it. This chemical could be an enzyme, a toxin, something used in scent marking, or any other biochemical agent

    asked by Sarah on February 25, 2018
  77. Chemistry (Check)

    Completion. struggling with this....I got 1) 2)Precision 3)experimental value 4) 5) The ___1___ of a measurement describes how close the measurement comes to the true value. The ____2___ of a measurement depends on its reproducibilty. An ___3___ is a value

    asked by Bryan on January 14, 2007
  78. Math - complex numbers

    These questions are related to de moivre's theorem: z^n + 1/z^n = 2cosntheta z^n - 1/z^n = 2 isin ntheta 1. Express sin^5theta in the form Asintheta + Bsin3theta + Csin5theta and hence find the integral of sin^5theta. 2. Express sin^6theta in multiples of

    asked by Chiquesta on December 17, 2011
  79. Chemistry

    Question: you have a clear, colorless aqueous sample in a beaker that contains either CO2^-2(aq) or C^-1(aq) or a mixture of both ions. the following aqueous reagents are available: NaCl, HNO3, and AgNO3. describe a procedure that will allow the

    asked by Anonymous on May 12, 2009
  80. algebra

    In our math 116 we have a reading problem , it has several steps to it. I have gotten all the way to the end of the assignment and can't get the last questions. it has to do with Buying a Home, the problem is ( you recently started the paper work to

    asked by dedee on July 29, 2009
  81. probability

    wooden balls are numbered 1-75. Five balls are drawn at random. What is the probability of drawing 5 consecutive numbers if no replacement occurs.? The first ball has a 1/75 chance of being selected. The second ball can be from either above or below the

    asked by matt on December 11, 2006
  82. AP Physic

    Hi there I am having a lot of trouble trying to figure out this homework problem and I really need help. This problem is dealing with wave motion and I do not know how to set up the formula to get the correct answer. Please help me and show some steps how

    asked by shylo on January 16, 2010
  83. Chem

    There are three questions in particular that I am having problems with. Here they are 1. A standard solution of FeSCN2+ is prepared by combining 9.00 mL of 0.200 M Fe(NO3)3 w/1.00 mL of 0.0020 M KSCN. The equilibrium concentration of FeSCN2+ ([FeSCN2+]std)

    asked by Mark on January 19, 2009
  84. nedd as much help as possible thanks!

    What problem arises in trying to predict the type of compound formed by the reaction of gold and selenium? I honsetly have no Idea like Ihave read researched whn I was looking for some help I stumbled across this website and i was hoping you guys could

    asked by beaver! on June 17, 2006
  85. green valley college

    the principal constituents of natural gas is methane which burns in air according to the reaction CH4+O2=CO2+H2O How many grams of CO2 is produced when you have 50g of both CH4 and O2 what is the limiting reactant?

    asked by rosvel on September 23, 2015
  86. Business math

    Bill Moore is buying a used Winnebago. His April monthly interest at 7.50% was $37.50. What was Bill’s principal balance at the beginning of April? (Use 360 days a year. Do not round intermediate calculations.)

    asked by LaDonna on November 27, 2015
  87. Finance

    You take out a 30-year $100,000 mortgage loan with an APR of 6 percent and monthly payments. In 12 years you decide to sell your house and pay off the mortgage. What is the principal balance on the loan?

    asked by Anonymous on May 10, 2008
  88. money and banking

    bought a bond for $10,000. received interest of $400 at end of year, as well as $10,000 principal. inflation rate last year is 5%, calculate the real return. show work

    asked by debra on October 31, 2010
  89. Hillcrest High

    Matty Kaminsky owns a new Volvo. His June monthly interest was $400. The rate is 8 ½ percent. Matty's principal balance at the beginning of June is: (Use 360 days) (Points

    asked by Maury on September 21, 2012
  90. grammar

    principal parts of hold,swell,hear,win one complete sentance for each expression to show clearly how it differ in meaning from the expression in the group.to conpare with. to compare to b.to charge for. to charge with

    asked by Sehr on December 29, 2009
  91. Algebra

    8. A balance of $5,500.00 principal earns 3% interest, compounded annually. After 5 years, what is the balance in the account? 9. A car costs $25,000 and depreciates in value by 15% each year. How much will the tractor be worth after 4 years?

    asked by Alicia on March 26, 2018
  92. college physics

    If a coyote is standing at the top of a 125 m cliff getting ready to drop a 230 kg boulder on a road runner. What is the potential energy of the boulder just as he is ready to drop it? What is the kinetic energy of the boulder at the instant it hits the

    asked by patti on March 18, 2013
  93. chemistry

    Both aluminum and zinc are used in "air batteries", those that use oxygen from the air as an oxidizing agent. These reactions take place in one type or the other: 4Al(s) + 3O2(g) --> 2Al2O3(s) 2Zn(s) + O2(g) --> 2ZnO(s) a) Calculate DeltaG^o for these

    asked by Anonymous on May 1, 2010
  94. history

    choose one problem in your community that troubles you--for exampple, homelessness, air or water pollution, substance abuse, or toxic waste disposal. Discuss the problem with famiy, friends, and neighbors to get ideas for dealing with it. Write a one-page

    asked by y912f on April 29, 2009
  95. physics

    A charge q1 is inside a spherical surface (although not necessarily at the exact center of the sphere). A second charge q2 sits just outside the surface. Choose whether the following statements are true or false. T/F The total electric flux through the

    asked by Samantha on March 6, 2015
  96. Chem

    Which statement is true when considering color in a fiber? the color is measured using an FTIR the color depends upon the lighting source the color is always a result of a pigment in all fibers there are very few color dyes that can be used for fibers none

    asked by Ann on July 21, 2017
  97. grammar..

    which sentences need commas ... a) the dessert had a fluffly cream topping b) the fish was served with a rich tangy sauce c) my first job was happy rewarding experience d) Mr.Hawkins has a large collection of rare valuuable coins e) the leader of the rock

    asked by Anonymous on April 4, 2011
  98. algebra 2

    Sonia is selling her house through a real estate agent whose commission is 6% of the selling price. What should be the selling price so Sonia can get $84,600?

    asked by Kat on September 4, 2014
  99. Math

    Karl wants to get $80,000 for his house the real estate agent charges 8% of the selling price for selling the house. What should the selling price be?

    asked by jamie lynn on June 13, 2012
  100. Calculus (urgent!!)

    Please answer the following questions about the function f(x)=e^(-0.5x^2) Instructions: If you are asked to find x- or y-values, enter either a number, a list of numbers separated by commas, or None if there aren't any solutions. Use interval notation if

    asked by Catherine on April 6, 2011