Lana

Most popular questions and responses by Lana
  1. History

    How did the spoils system affect president James Garfield and his successor Chester A. Arthur?

    asked on March 29, 2018
  2. History

    how did the spoils system affect president james Garfield and his successor Chester A. Arthur?

    asked on March 26, 2018
  3. chemistry

    Complete the mass balance expression for a saturated solution of Ag2CO3. Note at least one blank is a numeric coefficient. (Note: Ignore any subsequent reactions of Ag .)

    asked on May 19, 2013
  4. language

    1 from details about blossom in both the first and third haika ,what conclusion can you draw a. the poet feels exeed ingly lonely b. the poet lives in an urbansetting c. the poet injoys the gentle beuty of nature d. the poet enjoys the drama of nature at

    asked on January 11, 2016
  5. Science

    common pathways for food and air are the (1), which connects to the mouth, and (2), which connects to the larynx. Epithelium in this region is (3), which provideds good protection from friction. Three bands of skeletal muscle, the (4) propel food into the

    asked on January 21, 2014
  6. biology (fill in the blanks)

    Big picture of natural selection/ keep in mind… Natural selection doesn’t move in a BLANK BLANK Natural selection is not a BLANK process Natural selection isn't BLANK; Its all relative to the BLANK. Its from a study form. These are the ones I don't

    asked on March 26, 2015
  7. Biology

    How do nucleotides and hydrogen bonds affect the structure of DNA? Maybe something like nucleotides make up DNA and hydrogen bonds hold the nitrogenous bases together?

    asked on November 13, 2015
  8. ENGLISH 111

    I need a thesis sentence for online dating and traditional dating for a compare and contrast essay

    asked on June 18, 2014
  9. Math

    Identify the sampling method. You want to determine the number of text messages students at your school send in a month. You go to the cafeteria and randomly ask students as they come out of the lunch line. A. Random B. Systematic C. Stratified D. None of

    asked on January 14, 2016
  10. chemistry

    Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00 M solutions of their ions. a) If connected as voltaic cells in series, which two metals are plated, and what is the total potential?

    asked on April 17, 2013
  11. PreCalculus

    I need help with a Matrix Algebra problem A small school has 100 students who occupy three classrooms A, B, and C. After the first period of the school day, half the students in room A move to room B, one-fifth of the students in room B move to room C, and

    asked on December 13, 2011
  12. English

    Is it B? What is the main idea of the story of Morte d’Arthur by Sir Thomas Malory? King Arthur creates the ideal kingdom of Camelot. King Arthur is mortally wounded in a battle with his mortal enemy Sir Mordred. King Arthur shows himself to be an unjust

    asked on May 29, 2014
  13. Physical Science

    A 15 g bullet is fired with a velocity of 200m/s from a 6kg rifle. What is the recoil velocity of the rifle?

    asked on October 7, 2015
  14. Home Economics

    7. The goal of the European Union is to _____. outdo the United States as an international trading nation coordinate tariffs among its members make a bigger trading bloc than that of the Asian nations create a single regional economy among its members

    asked on May 28, 2014
  15. Language Arts

    Identify the independent clause in the following sentence: Before electric lighting was invented, people used candles to light their homes at night. A. Before electric lighting was invented B. people used C. people used candles to light their homes at

    asked on February 8, 2016
  16. Algebra help

    A class 4 truck weighs between 14,000 and 16,000 pounds. What is the weight range in tons? b. If the weight of. Class 4 truck is increased by 2 tons, will it still be classified as a class 4 truck? Explain both thanks

    asked on November 19, 2014
  17. Chemistry

    I am having such a hard time approaching this problem. It would be great if you can help me. 1.0 mole of CH4 react with 1.0 mole of O2 in a sealed container. (a) When the reaction is complete, what is the container? (b) How many moles of water are

    asked on October 15, 2012
  18. chemistry

    write a balanced net ionic equation for the overall reaction represented by the cell notation below. Pt/ Fe2+, Fe3+ // I-/AgI/Ag

    asked on May 12, 2013
  19. biology

    EVOLUTION (fill in the blanks) Natural selection is the BLANK for evolution As a result of natural selection, organisms with more BLANK traits are more likely to BLANK, BLANK, and BLANK on the favorable traits to their offspring. These traits are passed on

    asked on March 26, 2015
  20. consumer math

    Ramon, a sales representative for HP computers, is paid $795 per week plus a commission of 2% on sales. His sales last week were $10,560. Find the amount he pays in Medicare taxes for the week. $29.18 $14.59 $62.38 $145.89

    asked on October 30, 2017
  21. chemistry

    Calculate Ecell forthe following electrochemical cell at 25 C Pt(s) |H2(g, 1.00 bar) |H + (aq, 1.00 M) || Pb2+(aq, 0.150 M) | Pb(s)

    asked on May 12, 2013
  22. Chemistry

    I am having such a hard time approaching this problem. It would be great if you can help me. 1.0 mole of CH4 react with 1.0 mole of O2 in a sealed container. (a) When the reaction is complete, what is the container? (b) How many moles of water are

    asked on October 15, 2012
  23. Chemistry- Dr.Bob!

    Combustion of natural gas (primarily methane) occurs in most household heaters. The heat given off in this reaction is used to raise the temperature of the air in the house. Assuming that all the energy given off in the reaction goes to heating up only the

    asked on January 13, 2016
  24. chemistry

    balance the net ionic equation for the overall reaction. Pt | Fe2+(aq), Fe3+(aq) || I-(aq) | AgI(s) | Ag(s) a) Fe3+(aq) + Ag(s) + I-(aq) → Fe2+(aq) + AgI(s) b) Fe2+(aq) + Ag(s) + I-(aq) → Fe3+(aq) + AgI(s) c) Fe3+(aq) + AgI(s) → Fe2+(aq) + Ag(s) +

    asked on May 14, 2013
  25. Social studies

    which of the following is necessary to propose a new amendment to the Constitution a. approve by a popular vote held in every state b. approve by two thirds of the house and senate c. approve by three quarters of the house and senate d. approve by the

    asked on October 5, 2016
  26. Chemistry

    Combustion of natural gas (primarily methane) occurs in most household heaters. The heat given off in this reaction is used to raise the temperature of the air in the house. Assuming that all the energy given off in the reaction goes to heating up only the

    asked on January 14, 2016
  27. Math

    This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).

    asked on November 19, 2013
  28. reading

    It was the summer before Ichiro started fifth grade, and he was about to turn ten. His family had just moved to a new city, so he didn’t know many other children, but his mother suggested that he host a birthday party and invite some of the friends he

    asked on October 18, 2015
  29. chemistry

    The dosage of technetium-99m for a lung scan is 20 μCi/kg of body weight.How many millicuries should be given to a 65.0-kg patient? (1mCi=1000μCi)Suppose a person absorbed 54mrads of alpha radiation. What would be the dose equivalent in mrems?

    asked on December 5, 2013
  30. Economics

    2. If Congress has determined that the budget will not be completed by September 30, it should _____. prepare appropriations bills to be reviewed by the President shut down the federal government pass legislation for emergency funding send a notice to the

    asked on May 27, 2014
  31. chemistry

    Write a balanced nuclear equation for the positron emission of each of the following radioactive isotopes: silicon-26,mercury-188,7737Rb,9345Rh

    asked on December 5, 2013
  32. chemistry

    A current of 3.04 A is passed through a Cr(NO3)2 solution for 1.80 hours. How much chromium is plated out of the solution?

    asked on April 17, 2013
  33. physic

    A hand-driven tire pump has a piston with a 2.50 cm diameter and a maximum stroke of 30 cm. how much work do you do in one stroke if the average gauge pressure is 2.40×105 N.m – 2? Select one: a. 141 J b. 4.5×107 J c. 35.3 J d. 1.41 ×108 J

    asked on May 26, 2016
  34. Calculus (Thanks a bunch!)

    Simplify the following expression 5lnx - 1/2 lny + 3 lnz

    asked on June 26, 2009
  35. IPC(integrated phsyics)

    Insulating materials are rated by their _____. specific heat heat index R-value temperature resistance

    asked on November 29, 2010
  36. business

    Negative power is primarily associated with A. voluntary exchange relationships. B. situations in which an individual is forced to change. C. situations in which both parties to an exchange feel good about it. D. exchange relationships in which involuntary

    asked on July 5, 2012
  37. business

    Which one of the following situations is an example of overall cost leadership? A. A dress manufacturer wants to make its product unique in its category. B. A company that manufactures school desks is looking for ways to make its desks less expensive than

    asked on July 5, 2012
  38. Physics

    What is the resistance of a coffee maker that draws a current of 5.0A from 117V source? What resistance would have to be added in parallel with the same coffee maker to increase the current to 15.0A? Okay, so for the first part I got 23.4 Ohms since R=V/I,

    asked on December 10, 2008
  39. reading

    What is the prefix, suffix, and root for slavery? No prefix Suffix-ery or ry? Root- slave Is my suffix correct, if yes what is the definition?

    asked on February 23, 2016
  40. Economics

    Help! which one?! 8. All of the following are types of foreign direct investment (FDI) except _____. a foreign company merges with an existing firm in a less developed country (LDC) a foreign company takes over a firm in an LDC a foreign company enters

    asked on May 29, 2014
  41. math

    together, tom and max have 72 football cards.Tom has 2 more than 4 times as many cards as Max has. How many football cards does tom have ?

    asked on October 20, 2013
  42. chemistry

    Balance the following redox reaction. MnO4 (aq) + Fe (s) --> Mn2+ (aq) +Fe2+ (aq)

    asked on May 11, 2013
  43. Chemistry

    The alcohol in gasohol burns according to the reaction C2H5OH(l) + 3O2(g) --> 2CO2(g) + 3H2O how many grams of water are produced when 3.0 moles of C2H5OH are burned in an excess of oxygen gas?

    asked on October 15, 2012
  44. algebra 1

    In February, you have a balance of $80 in your bank account. Each month you deposit $20. Let January = 1, February = 2, and so on. Write an equation for this situation. Use the equation to find the balance in December. y = 20(x – 4); $200 y - 80 = 20(x -

    asked on December 18, 2015
  45. language arts

    El Niño is a change in how warm the ocean is. It happens when warm water from the Pacific moves eastward. No one knows why this happens. It takes place every four or five years and lasts for about a year. No two are the same. It can change the weather in

    asked on November 15, 2015
  46. Physics - please check over

    A charged particle moves at a constant velocity in a straight line through a region in space... a) is the electric field zero in the region? Explain b) is the magnetic field zero i the region? Explain I think a is yes because a charged particle will always

    asked on April 28, 2009
  47. cancer/clot/leeches

    my dad has cancer and has developed a clot in his leg which is not the dangerous one, but is very painful. he had an operation where they put plates and pins in his leg due to the cancer eating away his femur to about one inch. he is limited to small pain

    asked on May 15, 2008
  48. Chemistry

    Combustion of natural gas (primarily methane) occurs in most household heaters. The heat given off in this reaction is used to raise the temperature of the air in the house. Assuming that all the energy given off in the reaction goes to heating up only the

    asked on January 13, 2016
  49. ms.sue

    7. A 8. C 9. A 10. A please check 7. According to Peter Drucker, who determines an organization’s purpose, or mission? A. Company executives C. Stockholders B. Customers D. Supervisors 8. Which one of the following is a personal source of power? A.

    asked on July 5, 2012
  50. business

    is the correct answer for # 4 = C and # 5 = B ?? 4. At the office, Jacob knows from his boss that his needs will be met as long as Jacob performs his duties successfully. What theory of leadership does Jacob’s boss follow? A. Situational leadership

    asked on July 5, 2012
  51. Math

    If sinx=3/4, with x in quadrant II, then determine the value of sin 2x

    asked on May 9, 2010
  52. Maath

    A coffee shop mixes French roast coffee worth $9 per pound with Kona coffee worth $4 per pound. How much of each type of coffee was used in order to obtain 20 pounds of a mixture worth $5 per pound.

    asked on February 27, 2010
  53. spanish

    Hay (There are) ________ gatos en la casa. a. las c. el b. un d. tres

    asked on September 24, 2017
  54. reading

    Which word pair from “Ichiro's Tenth Birthday Party” contains antonyms? A. tried—impossible B. basketball—volleyball C. thrilled—forlorn D. brothers—uncles is it c?

    asked on October 18, 2015
  55. reading

    It was the summer before Ichiro started fifth grade, and he was about to turn ten. His family had just moved to a new city, so he didn’t know many other children, but his mother suggested that he host a birthday party and invite some of the friends he

    asked on October 18, 2015
  56. Politics

    Compare Britain's and America's government. How are they similar? How are they different? Consider things like: Who is the leader of their country or their executive? Who makes the laws in their country? How do their elections work?

    asked on February 20, 2017
  57. Analytical chemistry

    a .2280g sample contained only NaCl and KBr. it was dissolved in water and titrated with a 0.04799M of AgNO3. complete titration of both halides was found to require 51.27mL of the AgNO3 solution. Calculate the weight percent of Cl in the solid sample.

    asked on April 7, 2013
  58. ms. sue plz

    could u plz check 4. C 5. B 4. At the office, Jacob knows from his boss that his needs will be met as long as Jacob performs his duties successfully. What theory of leadership does Jacob’s boss follow? A. Situational leadership theory B. Transformational

    asked on July 5, 2012
  59. business

    is the first one B and the second question A ?? 1.Which one of the following leadership styles could be best characterized by the statement “Let George do it”? A. Contingent C. Democratic B. Laissez-faire D. Autocratic 2. According to the Managerial

    asked on July 5, 2012
  60. Math

    A rectangle has a width of 10 in and a length of 12 in. A similar rectangle has a width of 15 in. What is the length of the similar rectangle?

    asked on March 13, 2018
  61. Physics

    I've been stuck on this questions for 2 days A 7.2-kg bowling ball traveling at a speed of 3.5 m/s collides with a 1.2-kg bowling pin at rest. After the collision, the pin moves with a speed of 3.0 m/s at an angle of 60° with respect to the original

    asked on October 22, 2016
  62. geometry

    asked on July 19, 2012
  63. human resources

    I wanted to know what is Walmart Internal Consistency ? Employee's goal that work in walmart Employer's goal ( walmart) Goverment's goal toward walmart? and Laws That Guide Discretionary Employee Benefits of Walmart.

    asked on October 16, 2011
  64. Radioactivity

    When first discovered alpha, beta, and gamma radioactivity were referred to as alpha rays, beta rays, and gamma rays. Now we refer to alpha particles and beta particles, but still use the term gamma rays. What type of particles are alpha and beta commonly

    asked on June 2, 2009
  65. English

    How would you put this in your own words. I'm having some trouble can you please help me out. Organs that are grown from stem cells from a foreign source would have foreign DNA that does not match the DNA of the individual. That patients would have to take

    asked on March 2, 2009
  66. Algebra 2

    ABCD is a square . if the coordinates of three of its vertices are A(-1,2a), B(a,2a), C(a,0), find the coordinates of D. BC is obviously 2a (it's a vertical line) then AB must be 2a (notice AB is horizontal) so BC = AC because it is a square 2a = a+1 a=1

    asked on July 25, 2007
  67. reading

    32. What does the word ingenious mean in the following sentence? Daedalus was known for his ingenious inventions and projects. A. complicated B. expensive C. clever D. confusing is it c ?

    asked on October 18, 2015
  68. 9th Grade Math

    The money collected at a school basketball game was 2,265 from 543 paid admissions. If adult tickets sold at $5.00 each and student tickets sold for $3.50 each, how many tickets of each kind were sold?

    asked on February 12, 2010
  69. chemistry

    How many grams of FeBr 3 would be present in 150.0 mL of a 0.435 M FeBr 3 solution?

    asked on September 18, 2016
  70. reading

    What is the meaning for the homonym swallow in the following sentence? If you fly too low, the waves will swallow you. A)believe too easily B)take into stomach C)a small, swift bird D)take in is it d?

    asked on October 18, 2015
  71. a. chem

    A 50.0 mL sample containing Cd2 and Mn2 was treated with 58.7 mL of 0.0500 M EDTA. Titration of the excess unreacted EDTA required 17.7 mL of 0.0300 M Ca2 . The Cd2 was displaced from EDTA by the addition of an excess of CN–. Titration of the newly freed

    asked on April 4, 2013
  72. geometry

    ABCD is a parallelogram. If AB is equal to 2x + 1 and CD is equal to x + 13, find x

    asked on July 14, 2011
  73. Health

    I posted this question yesterday and I got confused. The determinant of total energy requirement that may most appropriately be manipulated in a weight loss program is: 1. basal metabolic rate 2. physical activity 3. dietary thermogensis 4. body

    asked on April 20, 2007
  74. Chemistry

    Write a balanced chemical equation and determine the enthalpy of combustion for carbon in the diamond allotropic form. Is this the correct chemuc eq? C + O2 ----> CO2?

    asked on January 14, 2016
  75. Math

    prove sin2x+cos2x+1 tan(pi/4+x) ______________ = __________ sin2x+cos2x-1 tanx so what I did tan(x) (1+cos(2x)+sin(2x)=tan(pi/4+x) (-1+cos(2x)+sin(2x)

    asked on November 26, 2015
  76. Find the pattern

    Our trip lasted for 12 days we arrived Sunday July 1 and left on Thursday July 12th where we stayed everyday something went wrong the electricity went out the water was shut off sliding patio wouldn't close the gas oven didn't work, and it rained. Out of

    asked on October 1, 2014
  77. please help analytical chemistry

    50 ml of a .1103M solution of formic acid is titrated with a .2511M NaOH. a) What is the pH before and NaOH is added? b) How many mL of NaOH solution must be added to reach the equivalence pt? c) what is the pH at the equivalence pt of the titration? d) If

    asked on April 8, 2013
  78. chemistry

    for a .001M solution of methionine: a) calculate the isoelectric pH b) calculate the isoionic pH

    asked on April 7, 2013
  79. physics

    A ball is dropped from the roof of a building. How fast is it moving after 4.6 seconds?

    asked on September 25, 2012
  80. Math

    I posted this problem last night and someone answered. I followed all the steps that this person told me to do and I don't get the right answer. The right answer is suppose to be $23.54. What am I doing wrong? For groups of four or more diners, many

    asked on February 13, 2010
  81. algebra

    simplify: e^4ln1

    asked on June 23, 2009
  82. Functions

    Find the sum of the 50 greatest negative integers. I'm supposed to find a, d, and t(at)n, but I'm not sure which is which. I think it makes sense for n to equal 50, but apart from that, I don't know what else to do. I would really appreciate some sort of

    asked on December 16, 2008
  83. Chemistry

    Calculate the ph of a solution that is 0.2M In NH3 and 0.3M in NH4Cl we find that the acid dissociation constant ka for NH3 is 5.7×10^-10

    asked on April 29, 2017
  84. chemistry

    A 1.147 gram sample containing an unknown amount of arsenic trichloride and the rest inerts was dissolved into a NaHCO3 and HCl aqueous solution. To this solution was added 1.690 grams of KI and 50.00 mL of a 0.00821 M KIO3 solution. The excess I3– was

    asked on April 17, 2013
  85. MATH

    oN A SPECIAL SCALE IN THR SCIENCE LAB, SCOYTT WEIGHED SAMPLES OF DIFFERENT KINDS OF SOIL. SAMPLE A WEIGHED 3 OUNCES. SAMPLE B WEIGHED 814 THOUSANDTHS OF AN OUNCE MORE THAN SAMPLE A. WHAT DECIMAL SHOULD SCOTT USE TO RECORD THE WEIGHT OF SAMPLE B?

    asked on September 16, 2009
  86. Physics

    A copper wire with a criss section of 5 mm^2 and 2 km long has an effective resistance of 2Ohms. a) Find the power lost in this wire if 10000 W of power is put through it with 120 V of potential. [hint: use P=VI to get current first then P=I^2R] b) Express

    asked on December 27, 2008
  87. Chemistry

    Five (5.00) grams of glucose, C6H12)6, is dissolved in 500.0 grams of acetic acid. What is the new freezing point and boiling point for the solution? Kf acetic acid = 3.90, Kb acetic acid = 3.07 (normal freezing point for acetic acid = 16.60 dg C, boiling

    asked on August 9, 2007
  88. algebra 2

    Hi i posted this question: the general expression for consecutive multiples of 6 is 6N, 6(N + 1), 6(N +2), etc. find three consecutive multiples of 6 such that 4 times the first exceeds twice the third by 12. and than Bobpursley replied: Let N be the

    asked on July 18, 2007
  89. Health

    Can you help me with this question? The determinant of total energy requirement that may most appropriately be manipulated in a weight loss program is: 1. basal matabolic rate 2. physical activity 3. dietary thermogenesis 4. body temperature Would the

    asked on April 19, 2007
  90. chemistry grade 11

    ferrous sulfate was prepared by dissolution of x grams p feso4.7H20 crystals in 500 ml water. 20 ml of this solution necessities 5 ml of 0.1mol/l kmn04 for the pink color to persist. find x

    asked on January 4, 2017
  91. Micro Economics

    In YEAR 1, the price of gadgets is $2, while the price of the single variable input used is $28. A profit-maximizing gadget producer uses 9 units of input to produce and sell 252 units of gadgets, earning profit of $2*252 - $28*9 = $252 In YEAR 2, the

    asked on May 9, 2016
  92. Chemistry

    Calculate the average kinetic energy of 1 mol of hydrogen molecules and of 1 mol of sulfur hexafluoride molecules at 25 degrees Celsius.

    asked on January 18, 2016
  93. reading

    Daedalus was a Greek architect—a building designer—who was known for his ingenious inventions and projects. Daedalus designed, among other things, the Labyrinth, a maze of many paths. Famous throughout the world, the Labyrinth consisted of twisting

    asked on October 18, 2015
  94. chemistry

    A certain weak base has a Kb of 7.80 × 10-7. What concentration of this base will produce a pH of 10.17?

    asked on May 19, 2013
  95. Math

    Find the amount in each case. 8% is 56 kg.

    asked on May 13, 2013
  96. achem

    1L of a .2M solution of butanoic acid is altered by adding 5.00g of sodium butanoate. what is the pH of the new solution?

    asked on April 8, 2013
  97. trig

    tan theta= -4/3 and sec theta

    asked on December 7, 2011
  98. math

    Solve using the addition and multiplication principles 8x+2-7x

    asked on May 7, 2010
  99. chemistry ( science)

    how to make electrohemical cell? I have found some examples but they are all with Cu and Zn , and my teacher told us that we mustnt make cell with these two elements. Could you plesase help me

    asked on April 22, 2010
  100. 12th grade

    3X+3=3

    asked on July 5, 2010

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