Eliz

Most popular questions and responses by Eliz
  1. health

    the body's reaction to the information is tho send these to the brain . 1. Neurons 2.Impulses 3.Dendrites 4.Synapse I think it is 1 Neurons. But im not sure.

    asked on February 2, 2015
  2. Chemistry

    Question: A certain sample of phosphate rock contains 26.26% P2O5. A .5428 gram sample is analyzed by percipitating MgNH4PO4*6H2O and heating it strongly to form Mg2P2O7. compute the mass of Mg2P2O7. I'm not entirly sure what to do. Do you set up an

    asked on April 23, 2009
  3. Chemistry

    Question: Chloroform, CHCl3, a volatile liquid was once used an anesthetic but has ben replaced by safer compounds. chloroform has a normal boiling point at 61.7 degree C and has a heat of vaporization of 31.4 kj/mol. compute its vapor pressure at 36.2

    asked on March 16, 2009
  4. Physics

    I am stuck on this question and not really sure what to do for it. I think that i can use this equation Q/dt=e*sigma*A*T^4 for it, but i'm not getting the right answer for it. Is this not the right equation? Question: Electronics and inhabitants of the

    asked on April 5, 2011
  5. Chemistry

    2.500g sample of a mixture of sodium carbonate and sodium chloride is dissolved in 25.00ml of 0.798M HCl. Some acid remains after the treatment of the sample. If 28.7 ml of 0.0108M NaOH were required to titrate the excess hydrochloric acid how many moles

    asked on March 3, 2009
  6. Chemistry- please check my work

    Question: The following equilibrium was studied by analyzing the equilibrium mixture for the amount of HCL produced. LaCl3(s)+ H2O(g) goes to LaOCl(s)+2HCl(g). A vessel whose volume was 1.25L was filled with 0.0125 mol of lanthanum (III)chloride and 0.0250

    asked on February 25, 2009
  7. physics-optics

    In a Young's double-slit experiment, the slits are 0.4mm apart and are illuminated by laser light of wavelength 602.4nm. The screen is 3.1m away. What is the number of dark fringes per centimetre?

    asked on April 2, 2017
  8. Chemistry

    Question: The equilibrium constant Kc for the equatino CS2(g)+ 4H2(g) goes to CH4(g)+2H2S(g) at 900 degree's C is 27.8. What is the value of Kc for the following equation 1/2CH4(g)+H2S(g)goes to 1/2 CS2(g)+ 2H2(g). I'm not sure what to do. the only thing i

    asked on February 25, 2009
  9. art

    why did artist christo think it was important not to rely on any donors when he wrapped the miami islands in pink?

    asked on January 30, 2015
  10. physics-optics

    Two speakers are separated by a distance of 3.4 m. A point P is placed at 5.7 m from one of the speakers so that they form a right triangle. If the speed of sound in this situation is 340 m/s and the speakers are in phase, what is the lowest frequency for

    asked on April 2, 2017
  11. Chemistry

    Question: A 0.400 g sample of propionic acid was dissolved in water to give 50.00 mL of solution. This solution was titrated with 0.150 M NaOH. what was the pH of the solution when the equivalence point was reached? I'm not really sure how i would go about

    asked on April 15, 2009
  12. Chemistry

    Question: Antimony (V) chloride, SbCl5, dissociates on heating to SbCl5(g)goes to SbCl3(g)+ Cl2(g). A closed 3.50 L vessel initially contains 0.0125 mol SbCl5. what is the total pressure at 248 degree's C when equilibrium is achieved? The value of Kc at

    asked on February 25, 2009
  13. chemistry-please help

    I don't know how to find generic rates and how to find rate of production? Example: 2HgCl2+ C2O4 goes to 2Cl + 2CO2 + Hg2Cl2 Experiment 3: [HgCl2]=.052 [C204]=.300 the inital rate (M/min of Hg2Cl2) is 3.54E-5. What is the generic rate of the reaction and

    asked on February 24, 2009
  14. Chemistry

    Question: The solubility of a salt in water increases if either ion of the salt undergoes hydrolysis. Comput the molar solubility of AgCN in water assuming no hydrolysis. B) compute the molar solubility of AnCN in water assuming hydrolysis occurs. The

    asked on May 6, 2009
  15. Chemistry

    Question: Consider following equilibrium system: SO2(g)+ Cl2(g) goes to So2Cl2(g) Kp=.900 atm @25 degree C. Suppose that 2.0 moles S02, 1.0 moles Cl2, and 3.0 moles So2Cl2 are placed in an empty 4.00L vessel at 25 degree C. Compute the number of grams of

    asked on March 1, 2009
  16. physics-optics

    Two narrow slits are 0.25mm apart. The dark fringe of order 55 is 0.8 degrees from the central bright fringe. What is the wavelength of the light?

    asked on April 2, 2017
  17. physics-optics

    Light of wavelength 649nm illuminates two slits, which are 1.6mm apart. A fringe pattern appears on a screen 2.7m from the slits. What is the distance between dark fringe number 4 and dark fringe number 5?

    asked on April 2, 2017
  18. Physics

    A small 9g plastic ball is suspended by a 35 cm long string in a uniform electric field 1110 N/C as shown. The ball is in equilibrium when the string makes a 23 degree angle with the vertical.

    asked on January 30, 2014
  19. Chemistry

    if you had this complex ion [CoF6]^-3 would this ion absorb red or blue color and would you expect this complex to be high or low spin.

    asked on May 13, 2009
  20. physics-lenses

    A converging lens of focal length 4.3 m produces a magnified image 6.7 times the size of the object. What is the object distance if the image is real? virtual? pleasse help!

    asked on March 17, 2017
  21. Statistics

    An Experiment consists of flipping a fair coin once and rolling a fair die once. what is the probability of observing a hear or six?

    asked on February 10, 2010
  22. English

    I wrote this sentences. Could you check them. Thanks 1. If you were interested, you could take another course. 2. If I were you, I’d study Norse tales. 3. If he really wanted to go into science, he would take biology and chemistry. 4. I wouldn’t have

    asked on September 3, 2017
  23. Physics

    The 3.0 -diameter water line in the figure splits into two 1.0 -diameter pipes. All pipes are circular and at the same elevation. At point A, the water speed is 2.0 and the gauge pressure is 50 .What is the gauge pressure at point B? I know we have to find

    asked on April 12, 2011
  24. Chemistry

    Question: the rate constant for the second order decomposition of NOBr(g) is .800 1 divided by MS at 10 degree's C. Suppose a 2.50 L beaker contains NOBr at a concentration at .0680 moles per liter. How much time does it take for 75.0 percent of the sample

    asked on February 23, 2009
  25. English

    I would like someone could check my short story. Thanks One fall in the mid-1980s, Karla took some time off and got a ticket to visit relatives in Cuzco. She was fresh out of school and had begun working as an office clerk. On her return trip, she noticed

    asked on October 9, 2017
  26. Physics

    The 3.0 -diameter water line in the figure splits into two 1.0 -diameter pipes. All pipes are circular and at the same elevation. At point A, the water speed is 2.0 and the gauge pressure is 50 .What is the gauge pressure at point B? I know we have to find

    asked on April 12, 2011
  27. Chemistry

    Question: When 1.97 grams of Pb(OH)2(s) is added to 1.00 liter of pure water at 25 C a saturated solution (some solid is present) is formed that has a pH of 8.97. Compute the Ksp value for Pb(OH)2 using the data. How do i go about getting the Molarity from

    asked on May 11, 2009
  28. Chemistry

    Question: A volume of 26.00ml of 4.30 M. HCL is mixed with 33.70 ml of 10.80 M H3PO4 s mixture is diluted to 1.00 liter with distilled water. A 50.00 ml portion of this diluted mixture is than titrated with .2200 M. NaOH. a) compute the concentration of

    asked on April 19, 2009
  29. English

    I was writing this sentences, could you check it, please. Sue hasn’t eaten any fruit or vegetables for a while. Ned started to eat healthier food last year. Sue hasn’t never visited a doctor on a regular basis. Ned has lived a quiet life before they

    asked on September 3, 2017
  30. English

    Could you check this? Complete the questions. I wrote my answers with capital 1. Researchers are SUPPOSED TO BE VERY careful when working in the lab. 2. They ARE SUPPOSED TO CHECK and recheck dangerous experiments. 3. They are SUPPOSED TO THINK before

    asked on September 4, 2017
  31. English

    Could you check this? Complete the questions. I wrote my answers with capital 1. WASN’T just the best concert? 2. DIDN’T you get the tickets for free? 3. DON’T you want to go out for dinner? 4. DIDN’T we come to this place last month? 5. WOULDN’T

    asked on September 4, 2017
  32. physics-lenses

    A converging lens f1=10cm, is placed 25cm to the left of a diverging lens, f2=−15cm. An object is placed 22cm to the left of the converging lens. Locate the final image... in cm and its magnification. I'm not sure how to approach this problem, or the

    asked on March 17, 2017
  33. chemistry

    Does the complex ion [Co(en)2Cl2]^+ have cis-trans geometric isomers?

    asked on May 13, 2009
  34. Chemistry

    Question: Suppose you have 557 ml of 0.0300M HCL and you want to make up a solution of HCL that has a pH of 1.831. What is the maximum volume (in liters) that you can make of this solution? I know that you can get the concentration of HCL using the pH

    asked on March 3, 2009
  35. Chemistry

    How do you find rate of production of Cl? If you are given the inital rate to be 3.54e-5 and given measured data of .052[HgCl2] and .300[C204]? The equation is 2HgCl2(aq)+ C204(aq) goes to 2Cl+ 2Co2(g)+ Hg2Cl2(s). I thought that you may take the initial

    asked on February 23, 2009
  36. English

    Instructions: Organize the mystery sentence. 1. Imagine – having – to – live – prehistoric – like – people – did. Imagine having to live like prehistoric people did. 2. They - spent – a – lot – of – time – and – searching – for

    asked on September 26, 2017
  37. English

    I wrote a report about giving advice to eat a good place. Introduction The aim of this report is to describe the best places to eat cheaply in my area and I explain why I choose them, in addition to the reasons of the cost. I believe the students will

    asked on August 20, 2017
  38. Chemistry

    How do you determine what molecule will have the highest or lowest boiling points. example: if you had CH3F, N2H4, CH3OH and O2. how would you determine what is the highest boiling points? What do you look at?

    asked on March 16, 2009
  39. Chemistry- please check my work

    Compute the vapor pressure of water above a solution formed by dissolving 25.00 grams of magnesium sulfate, MgSO4 (MM=120.3) in 95.00 grams of water at 338K. The vapor pressure of pure water at 338K is 188.0 torr. I took 95.00g H20 divided by 18.0g. which

    asked on February 23, 2009
  40. grammar

    Could you correct me my mistakes. Please • What are you most passionate about? One of my greatest passion is helping others. I like helping people find solutions that meet their specific needs. 7.How do you typically spend your leisure time? In my

    asked on October 10, 2017
  41. English

    Please help me...thanks Instructions: Chose the best option My answers are with capital letter Trisha HASN'T SEEN or didn't see… her best friend April for almost a year. Trisha ..has call or CALLED .. as often as possible as …SHE TRAVELED or was

    asked on September 15, 2017
  42. English

    Instructions: Chose the best option My answers are with capital letter Trisha HASN'T SEEN or didn't see… her best friend April for almost a year. Trisha ..has call or CALLED .. as often as possible as …SHE TRAVELED or was traveled .., but often she and

    asked on September 14, 2017
  43. English

    Instructions: Read the sentence. Select the correct answer. My answered are with capital letter Robin Hood …… stealing from the rich when the poor … help to survive. 1. HAD STARTED, NEEDED 2. had started , had needed 3. was starting, needed 4. had

    asked on September 14, 2017
  44. English

    Could you check this exercise? thanks Six sentences have been removed from the text. Choose from the sentences A-F. A. Get into writing B. Can’t settle on C. Go through D. Can get into E. Get on this F. To get down to details. I think I’ll really (1)

    asked on September 4, 2017
  45. English

    In this exercise I have to choose the best answer. Could you check them. Thanks 1. The supplies were ordered were not the ones we received. A. You should changing, suppliers. B. You ought to change supplies. C. You had better supplies. D. You might want to

    asked on September 4, 2017
  46. English

    I have to complete the text. I did with capital letter. Could you check it. When I applied to university, I WASN’T PLANNING ON studying a language. While I WAS SEEING courses, I talked to a counsellor who suggested it. He said many young people WERE

    asked on September 4, 2017
  47. Chemistry

    Question: you have .420 Litters of a solution containing Ag3PO4 (s) in equilibrium with its ions. write an algebraic equation which when solved will geive the molar concentration of Ag^+1 after the addition of .200 moles of Na3Po4(s) to the .420 liters of

    asked on May 11, 2009
  48. Chemistry

    Question: if 10.0 mg of Mg(OH)2 is placed in 100 ml of pure water, will all of the sample dissolve before equilibrium can become established, or will some sample remain undissolved? i got the Molarity of Mg(OH)2 to be .00172 M. Where does that exactly go

    asked on May 11, 2009
  49. Chemistry

    I am unsure exactly how to set up this calculation. From a graph that we got from getting different absorbances we took those points we got and got a equation for the best fit line. The equation was y = 760.8x + .02014 and the unknown absorbance equalled

    asked on April 5, 2009
  50. English

    I wrote my Book Review: Pride and Prejudice I would like someone correct my grammar mistakes.180 words Thanks so much Pride and Prejudice Pride and Prejudice was written about 200 years back by Jane Austen. It is a romantic love story about the pride of a

    asked on October 9, 2017
  51. English

    Please how can correct my grammar mistakes. Thanks 3. What are your three BEST life skills? I have the ability to empathize with other people. Also I keep calm and resilient in hard situations. But the most important is I'm excellent managing my finances.

    asked on October 9, 2017
  52. English

    I was doing those exercise. Please could you check. Thanks Instructions: Select the correct answer. My answers are with capital letter I.Do you think      …….filming by 9:00 p.m. tonight? 1.       He’s have finished 2.       HE’LL

    asked on September 18, 2017
  53. English

    Could you check this exercise? Thanks Select the incorrect word in the sentence. 1. The spices might has be stored in that cupboard. 2. The rice can to be left to cook slowly. 3. Serve you Mrs, Walker her vegetarian meal. 4. The turkey must be a roasted

    asked on September 3, 2017
  54. Maths/ Calc

    Supplies are dropped from a stationary (not moving up or down) helicopter and, after some amount of time, land on the ground with a velocity of -160 feet per second. Assumptions: Start time at t = 0 and ignore air resistance. Recall that the height

    asked on April 18, 2013
  55. English

    Organize the mystery sentence. 1. is –historic – as – as – modern. - London – is - it London is as historic as it is modern 2. The – old – buildings – newer ones - tourists – more – than - attract – do. The old buildings attract more

    asked on September 27, 2017
  56. English

    Instructions: Select all the correct answers. Which sentences use a gerund to talk about emotions, personal qualities and behavior? My answers are with capital letter 1. He's feeling overloaded with work on the film. 2. Maybe the press are being too

    asked on September 14, 2017
  57. English

    Instructions: Read the text and select all the sentences that speculate about the past. My answered are with capital letter YOU MUST HAVE WONDERED what life was really like in the past. If we had lived in the wild west, our lives COULD HAVE BEEN VERY

    asked on September 14, 2017
  58. English

    Instructions: Select the incorrect words in the paragraph. They were is driving down a small road in the countryside in India when they were saw the elephants. At first they didn't not understand what was there happening. A large group of elephant calves

    asked on September 14, 2017
  59. calculus

    Equilateral hexagon is revolving around one of its edges. Find the volume of the solid of revolution. no idea how to do this can someone please help!!! urgent!

    asked on March 22, 2017
  60. physics-lenses

    What eyeglasses would you prescribe for persons with the following conditions: a) A near point of 49.8cm ? b) A far point of 49.8cm ?

    asked on March 17, 2017
  61. calculus

    find the volume of the unlimited solid obtained by revolving y=1/(x^4 +1) around its asymptote, show work. helllpp pleaseee, I have no idea how to do this...

    asked on March 16, 2017
  62. newcastle

    calculate number of atoms of each element CaS04

    asked on September 27, 2012
  63. Reproduction

    How does a glycoprotein stimulate genomic and metabolic change in a cell?

    asked on February 13, 2010
  64. Chemistry

    Question: if you added ethylene glycol to your car's radiator to lower the freezing point to -31.0 degree C, what would the corresponding boiling point of the coolant in your radiator. The freezing point and boiling point constants for water are 1.86 and

    asked on March 16, 2009
  65. native american history

    Discuss the divisions between the traditionalists and moderate Indians from WWII on. Why does this war help to produce a sharp division between them? How did the actions of the government fully deepen it? -Can someone give me a website that will help me

    asked on September 12, 2007
  1. maths

    12

    posted on November 7, 2017
  2. English

    whom

    posted on October 9, 2017
  3. English

    2. They spend a lot of time searching fruit and nuts 5. I don't have idea :( Thanks for your help , I really appreciate it.

    posted on September 26, 2017
  4. English

    I am sorry is STONE 2. They - spent – a – lot – of – time – and – searching – for – fruit – nuts. They searching fruit and spent a lot of time for nuts. 3. they – When- could – started – killing – animals- tool, - stone - they –

    posted on September 26, 2017
  5. English

    I wrote again. Thanks 2. They - spent – a – lot – of – time – and – searching – for – fruit – nuts. They searching and spent a lot of time for fruit nuts. 3. they – When- could – started – killing – animals- tool, - store - they

    posted on September 26, 2017
  6. English

    Could be IV had helped, had worked

    posted on September 14, 2017
  7. English

    They were driving down a small road in the countryside in India when they saw the elephants. At first they didn't understand what was happening. A large group of elephant calves were lying in a heap, waving their trunks around. As they got closer they

    posted on September 14, 2017
  8. English

    Researchers AREN'T SUPPOSED TO panic when things go wrong.

    posted on September 4, 2017
  9. English

    I was looking some courses... When I was listening to him... Before long WE ALL TAKE an English class together The last one, I don't know where is the mistake. Could you give me some clues Thanks

    posted on September 4, 2017
  10. English

    I wrote again. Could you check it. Thanks When I applied to university, I WASN’T PLANNING ON studying a language. While I WAS LOOKING courses, I talked to a counsellor who suggested it. He said many young people WERE FINDING English valuable when they

    posted on September 4, 2017
  11. English

    a genetics specialist thanks

    posted on September 3, 2017
  12. English

    Sue has never visited a doctor on a regular basis. Ned had lived a quiet life before they met. Ned hasn’t smoked heavily when he was young.

    posted on September 3, 2017
  13. English

    thanks so much

    posted on August 20, 2017
  14. physics-lenses

    I need to figure out the diopter.

    posted on March 17, 2017
  15. Physics

    Find the relationship among deta,mg, and qE.

    posted on January 30, 2014
  16. Chemistry

    for the oxidation state of the Mn doesn't the NH3 have a charge. So OH is -1 and NH3 has a -1 charge plus 2 so its -2 or does it not have a charge

    posted on May 13, 2009
  17. Chemistry

    I'm a little confused on what that means. does that mean that .4762 would be + 3x instead of X?

    posted on May 12, 2009
  18. Chemistry

    So far i got .118 mol of HCl than divided by 1000 which got me 1.18e-4 than i times that by .050 L =5.59E-6 moles. i than did the same thing for the H3PO4 and got for the final answer 1.82E-5. I'm confused on your meaning for than getting the concentration

    posted on April 19, 2009
  19. Chemistry

    Please check my work? I first changed Kp to Kc: .900atm(0.0821)(25+273.15)^(2.0 mol*1.0 mol)- (3.0)= 22.03 Than i did an ICE table. I than used the equation Kc= So2Cl2/So2*Cl2. 22.03=(.75+x)/(.5-x)(.25-x). I than solved for x. x=.169 was the only value

    posted on March 1, 2009
  20. Chemistry

    How do you change Kp to Kc?

    posted on March 1, 2009
  21. Chemistry- please check my work

    I first changed the 3.59g of AgCl into moles and than divided by liters given to get .0200M of Agcl. I also changed the mol of H20 and LaCl3 to Molarity as well. I got .01M for LaCl3 and.02 for H20. Than I plugged into equation Kc=(.0200)/(.010)(.02). To

    posted on February 25, 2009