Jennie

Newest questions and responses by Jennie
  1. Math

    You want to conduct a survey to find out what sport the students at your school prefer to play. a) You interview 20 boys playing football at lunch. Is this a random sample? explain b) The survey question you ask is, ''What is your favorite sport to play?''

    asked on December 7, 2018
  2. Science

    Above is a 2nd graph Part 1 Graph Present these results by creating a line graph. Part 2 Analysis 1)What is relationship between the biotic And abiotic factors? 2) how did the construction of a parking lot, hiking trail, and playground affect the fish

    asked on December 1, 2018
  3. Art

    1) what is te message of the monument? 2) why was a particular location chosen for its display? 3) Do you ageee with the chosen location for display? 4) Do you feel that the best way to communicate the message of the piece? 5) Given the tragedy That

    asked on November 13, 2018
  4. World History

    Why did Buddhism become popular in India? I learned this so long ago idk what the answer is anymore. I cant even remember what I ate for breakfast..

    asked on January 14, 2018
  5. English

    Can someone please help me urgent. I need to rewrite theses two sentences and eliminate unethical aspects. The service contract...on the whole...applied to upgrades. 2. All our costs were within fair-use guidelines. 1. Upgrades were applied to the service

    asked on January 15, 2017
  6. English

    What do you mean by accurate? I'm confused. I have been out of school since the 70's. Thank you!

    asked on January 12, 2017
  7. English

    Trained technicians respond to all of our calls. The service contract applied to all upgrades. My previous question could you tell me if this is written right.

    asked on January 12, 2017
  8. English

    I have to take out embellishments, misquotations, false benefits and unethical tactics out of these sentences. I need help. Factory-trained technicians respond to all our calls. "The service contract...on the whole...applied to upgrades.

    asked on January 12, 2017
  9. english

    Factory-trained technicians respond to all our calls. "The service contract...on the whole...applied to upgrades. Need help rewriting malfunctions ect

    asked on January 11, 2017
  10. Math

    Jasper's friend Tina challenges him to a game of Unders and Overs. He's never played the game before, so Tina explains the rules: "You bet what the total value will be when I roll two dice. Then, I roll the dice and their total determines whether you win

    asked on May 23, 2016
  11. Math

    A clock gains s seconds in one hour. In its simplest form, write down an expression in term of s and d for the number of minutes it gains in d days.

    asked on March 17, 2016
  12. language arts

    what's the answer to subject and object pronouns worksheet the directions is write each sentence replace the underlined words with subject or object pronouns

    asked on February 10, 2016
  13. math AG3 (algebra/geometry)

    2k^4 * (3k)^2, I got the answer 18K^6, my question is how is it 18?

    asked on September 15, 2015
  14. Chemistry

    I need help on my chem lab... I need to give you background info so you know how to help me.. Data Sheet: Specific gravity of distilled water Temp of distilled water = 20 C Specific gravity: 1.0000 or 1.000 (according to hydrometer used) sugar solution 1 :

    asked on April 30, 2015
  15. Chemistry Dr. Bob

    I need help on my chem lab... I need to give you background info so you know how to help me.. Data Sheet: Specific gravity of distilled water Temp of distilled water = 20 C Specific gravity: 1.0000 or 1.000 (according to hydrometer used) sugar solution 1 :

    asked on April 30, 2015
  16. Chemistry

    I need help on my chem lab... I need to give you background info so you know how to help me.. Data Sheet: Specific gravity of distilled water Temp of distilled water = 20 C Specific gravity: 1.0000 or 1.000 (according to hydrometer used) sugar solution 1 :

    asked on April 30, 2015
  17. Economics

    Is a country with a trade surplus better off or worse off than a country with a trade deficit? Provide your rationale.

    asked on March 18, 2015
  18. Chemistry

    Calculate the concentration of OH− and the pH value of an aqueous solution in which [H3O+ ] is 0.014 M at 25°C. Is this solution acidic, basic or neutral?

    asked on March 12, 2015
  19. Chemistry Dr. Bob222

    For Cup C Mass of cup,water,stirrer: 55.15 Mass of sodium bicarbonate: 2.02g mass of citric acid: 0.77g total mass: 57.94g mass of cup,solution, stirrer after reaction: 57.64 difference (CO2): 0.30g Calculate the theoretical yield of carbon dioxide in the

    asked on March 4, 2015
  20. Chemistry Dr. Bob222

    Ok, For Cup C Mass of cup,water,stirrer: 55.15 Mass of sodium bicarbonate: 2.02g mass of citric acid: 0.77g total mass: 57.94g mass of cup,solution, stirrer after reaction: 57.64 difference (CO2): 0.30g Part B: Limiting Reactants Plastic Cup C 7. Determine

    asked on March 4, 2015
  21. Chemistry Dr. Bob222

    Ok, UMMMM I thought I was good.. Till now.. Ok, For Cup C Mass of cup,water,stirrer: 55.15 Mass of sodium bicarbonate: 2.02g mass of citric acid: 0.77g total mass: 57.94g mass of cup,solution, stirrer after reaction: 57.64 difference (CO2): 0.30g Part B:

    asked on March 4, 2015
  22. Chemistry Dr. Bob

    Plastic Cup B Mass of cup, water and stirrer: 53.75g mass of sodium bicarbonate: 2.02g mass of citric acid: 1.52g total mass of all: 57.29g mass of cup, solution, stirrer after reaction: 56.59g difference (CO2): 0.70 g Now, Here's the problems it's

    asked on March 4, 2015
  23. Chemistry Dr. Bob

    This is in response to the fact that my experiment had me come up with my own.. I was supposed to measure out as close to 1g as possible of sodium bicarbonate as possible.. This is my lab procedures: Plastic Cup A 1. Measure out 50 mL of distilled water

    asked on March 4, 2015
  24. Chemistry Dr. Bob

    Now, I'm going to post how to figure out the theoretical yield of carbon dioxide from 1.00g sodium bicarbonate... The reaction of citric acid and sodium bicarbonate is written as H3C6H5O7(aq) + 3 NaHCO3(aq) → Na3C6H5O7(aq) + 3 H2O(l) + 3 CO2(g) Um.. I

    asked on March 4, 2015
  25. Chem Dr. Bob Plz

    Dr. Bob, I just did a home lab with citric acid and sodium bicarbonate and had to put them in cups and measure before and after.. I put 1.02g of sodium bicarbonate in a cup with water and stirrer (54.66g) then added .77g of citric acid and supposed to add

    asked on March 4, 2015
  26. Chemistry Help

    I have no idea where to begin with this?? This class is moving so fast! Dr. Bob222 I made a 100 on my prelab!! and the online test was so fast I was going through my notes and I was scrambling to figure it out and look up stuff on the periodic table and

    asked on March 3, 2015
  27. Chemistry Help

    WHAT???? which of these are electrolytes?? CH3CH2OCH2OH PCl3 Na2CO3 O2

    asked on March 3, 2015
  28. Chemistry help!! Fast

    true or false??? The larger molecules dissolve best in a solvent with a low molecular weight.

    asked on March 3, 2015
  29. Chemistry

    Calculate the mass/volume percent of a NaCl solution in which 182g of NaCl is dissolved in enough water to give a total volume of 4.78L . Would I do 182/4780ml *100?

    asked on March 3, 2015
  30. Chemistry

    How many grams (of mass m) of glucose are in 355mL of a 5.50% (m/v) glucose solution? You have a solution that is 18.5% (v/v) methyl alcohol. If the bottle contains 2.49L of solution, what is the volume (V) in milliliters of methyl alcohol? A 6.00 % (m/v)

    asked on March 3, 2015
  31. chenistry

    this is confusing me so bad!! Nitrogen gas reacts with hydrogen gas to produce ammonia by the following equation: N2(g)+3H2(g)→2NH3(g) If you have 5.79g of H2, how many grams of NH3 can be produced? I said, 2/3 *5.79 = 3.86 but that's not the answer.. it

    asked on March 3, 2015
  32. Chemistry Dr. Bob

    Balanced Equation: 2PbS+ O2 --> 2PbO +2SO2 How many grams of oxygen are required to react with 0.124mole lead(II) sulfide? Ummmm.. I tried to convert it to grams? 0.124 mol * molar mass of PbS (239.3) = 29.67 g of PbS then tried to plug it into the

    asked on March 3, 2015
  33. Chemistry

    Ok, I'm trying my best here, I'm learning, and I'm thinking I'm on a roll, until I can't get the right answer again..... First.. the butane question Calculate the mass of Butane needed to produce 82.7g Carbon dioxide. 2C4H10 +13 O2--->10H2O +8CO2 Ratio is

    asked on March 3, 2015
  34. Chemistry

    Calculate the mass of water produced when 3.09g of butane reacts with excess oxygen. 2C4H10 + 13O2-->10H2O + 8CO2 Help.

    asked on March 2, 2015
  35. chemistry

    I need to know how to figure this out, step by step... Don't assume I know anything.. Break it down for me like I'm a 5 year old... I'm really horrible at figuring out where to even begin... what steps to use.. etc.. Thank you!!

    asked on March 2, 2015
  36. Chemistry

    Need Help! 1. Ammonia is produced by the reaction of hydrogen and nitrogen. N2(g)+3H2(g)→2NH3(g)ammonia How many moles of N2 reacted if 0.65mole NH3 is produced? How many moles of NH3 are produced when 1.2moles H2 reacts? 2.In the acetylene torch,

    asked on February 28, 2015
  37. Chemistry

    I'm having a brain malfunction... how to calculate how many grams are in a mole of something? How many grams are in 3.80mol of sodium chloride (NaCl)?

    asked on February 28, 2015
  38. Chemistry

    Ammonia is produced by the reaction of hydrogen and nitrogen. N2(g)+3H2(g)→2NH3(g)ammonia How many moles of N2 reacted if 0.65mole NH3 is produced? How many moles of NH3 are produced when 1.2moles H2 reacts?

    asked on February 28, 2015
  39. Chemistry

    Ok, I know how to balance chemical equations, however, I don't know how to tell if it is a S, L, aq, or g? How am I supposed to know this?? Mg(s)+AgNO3(aq)→Mg(NO3)2(aq)+Ag(s) Express your answer as a chemical equation. Identify all of the phases in your

    asked on February 28, 2015
  40. Chemistry

    Dr. Bob222, Calculate the moles of C2H6 in 8.60×1023 molecules of C2H6. I did what you said, I got 8.60*10^23*(1mole/6.02*10^23) = 1.43*10^46??? This is not the answer.. am I doing something wrong?

    asked on February 28, 2015
  41. Chemistry

    UMM.. I keep coming up with the wrong answer? How do I calculate this? 1. Calculate the number of Li atoms in 9.9 moles of Li. Express your answer using two significant figures. 2. Calculate the number of CO2 molecules in 3.13×10−2 mole of CO2.

    asked on February 28, 2015
  42. Chemistry to DrBob222

    DrBob222 You are an amazing person! I have received more help from you the past two days that I have this whole semester from my instructor! You have an amazing gift of breaking things down to understand completely! Where are you from? Do you get paid for

    asked on February 26, 2015
  43. Chemistry

    Ok, Need some more help... This is what I have so far. 4. Urea (NH2)2CO is prepared by reacting ammonia with carbon dioxide. The byproduct is water. 637.2g of ammonia are reacted with 787.3 g of carbon dioxide. molar mass:NH3=17 CO2=44 CO(NH2)2=60.1 a. (10

    asked on February 26, 2015
  44. Chemistry Drbob222

    Dr. Bob222 Please don't get frustrated with me, I'm really trying to figure this out... UGH!! I'm starting over again... Please advise... . Consider the following chemical equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54×107g of TiCl4(g) were

    asked on February 26, 2015
  45. Chemistry

    Ok, Need some more help... This is what I have so far. 4. Urea (NH2)2CO is prepared by reacting ammonia with carbon dioxide. The byproduct is water. 637.2g of ammonia are reacted with 787.3 g of carbon dioxide. molar mass:NH3=17 CO2=44 CO(NH2)2=60.1 a. (10

    asked on February 26, 2015
  46. Chemistry

    Dr. Bob222 Please don't get frustrated with me, I'm really trying to figure this out... UGH!! I'm starting over again... Please advise... . Consider the following chemical equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54×107g of TiCl4(g) were

    asked on February 26, 2015
  47. CHEMISTRY

    Someone please tell me if I'm doing this right... It's due tonight!! Dr. Bob222, Yesterday I posted a question and you answered me with how to calculate it.. Can you tell me if I'm doing this correctly?? Please! Consider the following chemical equation:

    asked on February 25, 2015
  48. Chemisty

    Someone please tell me if I'm doing this right... It's due tonight!! Dr. Bob222, Yesterday I posted a question and you answered me with how to calculate it.. Can you tell me if I'm doing this correctly?? Please! Consider the following chemical equation:

    asked on February 25, 2015
  49. Chemistry

    Dr. Bob222, Yesterday I posted a question and you answered me with how to calculate it.. Can you tell me if I'm doing this correctly?? Please! Consider the following chemical equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54×107g of TiCl4(g) were

    asked on February 25, 2015
  50. Chemistry

    Consider the following chemical equation: TiCl4(g) + 2Mg(l) → Ti(s) + 2MgCl2(l) 3.54×107g of TiCl4(g) were reacted completely and 7.91×106g of Ti(s) was obtained in the experiment. a. Calculate the theoretical yield of Ti(s). b.What is the actual yield

    asked on February 25, 2015
  51. statistics

    Determine the critical region and the critical values used to test the following null hypotheses: a. Ho: μ = 55 (≥), Ha: μ < 55, α = 0.02 b. Ho: μ = −86 (≥), Ha: μ < −86, α = 0.01 c. Ho: μ = 107, Ha: μ ≠ 107, α = 0.05 d. Ho: μ = 17.4

    asked on February 20, 2015
  52. Chemistry

    A 1N solution of NaOH is diluted 4/20 then rediluted 1:50. What is the final normality? How many grams of NaOH are present in 100ml of the final solution? I sort of understand the basic concept, but I don't really know how to do normality problems.

    asked on May 21, 2014
  53. Managerial Accounting

    If given the Selling price, the direct labor costs and other variable costs how do you determine the number of direct labor hours per unit?

    asked on April 1, 2013
  54. psychology

    Hi I have 2 questions i am searching for the proper answer on and it keep finding conflicting information> 1) Psychologist who believe in ___ are most likely to attempt to understand diversity in ethnic background as an influence on behavior: individual

    asked on November 26, 2012
  55. maths

    find the base of an isocelus triangle base 12cm and its peremeter is32cm.find the area of the triangle

    asked on May 22, 2012
  56. science

    Use this reaction to answer the question: 2KClO3 -> 2KCl + 3O2. If I start with 65g KClO3, how many mol O2 will be formed? How many g O2? If I need to produce 299g KCl, how many mol of KClO3 do i need to start with? How many g KClO3?

    asked on April 24, 2012
  57. Math

    At the beginning of the week, an electronics store took count of how many tvs and radios there were in the stockroom. The manager found that there was a ratio of 3 tvs for every 2 radios. At the end of the week, the manager counted 24 boxes left in the

    asked on February 26, 2012
  58. Physics

    Two identical rollers are mounted with their axes parallel, in a horizontal plane, a distance 2d = 40.4 cm apart. The two rollers are rotating inwardly at the top with the same angular speed. A long uniform board is laid across them in a direction

    asked on January 5, 2012
  59. Physics

    Two identical rollers are mounted with their axes parallel, in a horizontal plane, a distance 2d = 40.4 cm apart. The two rollers are rotating inwardly at the top with the same angular speed. A long uniform board is laid across them in a direction

    asked on January 5, 2012
  60. Physics

    Two identical rollers are mounted with their axes parallel, in a horizontal plane, a distance 2d = 40.4 cm apart. The two rollers are rotating inwardly at the top with the same angular speed. A long uniform board is laid across them in a direction

    asked on January 5, 2012
  61. Physics

    Two identical rollers are mounted with their axes parallel, in a horizontal plane, a distance 2d = 40.4 cm apart. The two rollers are rotating inwardly at the top with the same angular speed. A long uniform board is laid across them in a direction

    asked on January 3, 2012
  62. Math

    How many different arrangements can be made with the letters from the word ORANGE?

    asked on January 3, 2012
  63. physics

    You are standing 7 feet from one speaker and 13 feet from another. Both speakers are producing the same sound. If the combined sound from both speakers is especially loud at your location, which of the following could be the wavelength of the sound? Choose

    asked on December 9, 2011
  64. physics

    A woman is sitting in a boat at anchor on a lake. Her boat bobs up and down once every 2.0·s. She notices that when the front of her 3.0·m long boat is at one wave crest, a second crest is at the middle of her boat, and a third is at the end. What is the

    asked on December 9, 2011
  65. Algebra 2

    Write the expression as a complex number in standard form. 3-3i/4i I'm not sure about this problem, but I think the answer is -3/4i-3/4. Could anyone help me please?

    asked on December 8, 2011
  66. brown

    parker wants to buy as many toys as she can with her 10$she can buy individule ponies for 2$ each or a set of 2 dolls for $3 what she she buy and why what do you need to find out what operations will you use why write a number sentence to show how you

    asked on November 9, 2011
  67. Chemistry

    You have a stock solution of 15.8 M NH3 . How many milliliters of this solution should you dilute to make 1350 mL of 0.300 M NH3

    asked on September 13, 2011
  68. Math

    A watch cost $75.99. If the sales tax rate is 6.25%, what is the amount of sales tax? Please show work or the explanation you used!

    asked on May 28, 2011
  69. Chemistry (Electrons in Atoms)

    True or False. 1)Electrons give off light as they drop to lower energy levels. 2)Electrons travel around the nucleus as waves. 3)A photon of low frequency light has more energy than a photon of high frequency light. 4)Orbitals with equal energy levels each

    asked on May 22, 2011
  70. physics

    A wire carries a current north. Above the wire the magnetic field is directed _________. Is it east? You are looking at a coil carrying a current clockwise. The magnetic field at the center of the coil is directed _________. Is it right?

    asked on April 8, 2011
  71. math

    I am a third grader and have a homework of sketching and labeling all possible rectangles with perimeter of 30 cm and sides whose lengths are whole numbers. I am confuse, i need help please.

    asked on January 26, 2011
  72. College Math

    For questions 1-2, apply the quadratic formula to find the roots of the given function, and then graph the function. 1. f(x) = x2 + 4 (6 points) g(x) = x2 - x – 12 For questions 3-4, factor the quadratic expression completely, and find the roots of the

    asked on December 12, 2010
  73. college math

    apply the quadratic formula to find the roots of the given function, and then graph the function. f(x) = x2 - 4 g(x) = x2 - x - 12

    asked on December 10, 2010
  74. college math

    apply the quadratic formula to find the roots of the given function, and then graph the function. f(x) = x2 - 4 g(x) = x2 - x - 12

    asked on December 10, 2010
  75. market and sales

    the most common basis for market segmentation is demographics psychographics media usage cost analysis

    asked on December 1, 2010
  76. biology

    The sex ratio(number of females vs. males) of which of the following species might be most affected by global warming?A.Humans b.bees c.birds d.Turtles

    asked on October 29, 2010
  77. algebra

    -2(x-2)=2[x-4(x-2)+x]

    asked on September 21, 2010
  78. physics

    What is the average time interval between heartbeats? what is the average time between a hummingbird flaps its wing?

    asked on September 15, 2010
  79. geometry

    If an arc makes a central angle of 98 degrees is it a major or minor arc? Explain??

    asked on June 10, 2010
  80. chemistry

    What affect does salt have on ice water? Is there a term for it and a website that explains this?

    asked on June 3, 2010
  81. chemistry

    How are the formation of aqueous solutions of sodium chloride and sucrose similar?

    asked on May 25, 2010
  82. chemistry

    Is this statement accurate? the boiling point of the distilled water was 99°C. After five minutes, the temperature still stayed the same; it remained constant. The liquid was becoming a gas. Phase change means there is an energy change. When the

    asked on April 27, 2010
  83. english

    the activity of scaling rocky cliffs

    asked on March 15, 2010
  84. Physics

    Joshua has a mass of 60kg and stands next to a wall ona frictionless skateboard. If he pushes the wall with a force of 30N, how hard does the wall push on him? Show that Joshua accelerates at .5 m/s2 away from the wall.

    asked on February 7, 2010
  85. english

    Does anyone have any ideas for an UNpersuasive essay? Instead of doing a normal essay, my class is doing an essay on anything that's crazy that people would normally not believe but if I use facts and other information, maybe they might believe me. I

    asked on May 27, 2009
  86. Algebra

    Find all the numbers for which the rational expression is undefined s^3-6x/ s^2-9 Thanks for the help

    asked on May 5, 2009
  87. History

    The "Critical Period" took place during the years when... w. the United States was governed by its 1st president x. George Washington served as the 1st president y. None of these answers are correct

    asked on March 23, 2009
  88. 8th grade

    what is the difference between a compressional wave with a large amplitude and one with a small amplitude

    asked on February 16, 2009
  89. chemistry-0.1NHCl

    Hi, A bottle of concentrated Hydrochloric acid (HCl) has the following information stated on it: - Hydrochloric acid 37% 1L ~ 1190kg How do I prepare 0.1N HCl from this concentrated HCl?

    asked on December 19, 2008
  90. adj265

    describe the functions of organizational networks and specialized criminal justice database

    asked on December 18, 2008
  91. Issues

    I need help finding some major issues in new jersey! please help!

    asked on November 3, 2008
  92. Business Math

    If your inital investment is $1000, and your rate of return is say 10%, did you make $100 or $1100 from your $1000?

    asked on October 24, 2008
  93. adj

    Should intelligence operations be expanded? What is the intelligence dilemma facing United States law enforcement? Define and explain this dilemma. Address concerns about interagency cooperation related to the expansion of intelligence operations. o Should

    asked on October 21, 2008
  94. graphing polynomial functions

    How do i graph f(x)4x-x^3-x^5? How do I graph f(x)=x^5-4x^3-12x?

    asked on October 15, 2007
  95. reading (for ms. sue)

    Would the antagonist be the Germans and the type of conflict man vs. man? Also, would the climax be when Sini and Rachel move in with the Oostervelds?

    asked on October 1, 2007
  96. reading

    What is the climax of the novel "The Upstairs Room"? Who is the antagonist of the story and what type of conflict does it have? Thank you.

    asked on September 30, 2007
  97. Microeconomics

    Two centuries ago there were more buffalo than cattle in the United States. Even though millions of cattle are killed for beef consumption each year, the catttle population continues to grow while the buffalo are virtually extinct. why? Explain in

    asked on August 31, 2007
  98. math/statistics

    Could anyone explaint to me what role the Binomial Theory plays in statistics and probability? Using statistics, we can make statements about a population based on sample data. Probability helps us make those statements. The binomial theory can be used to

    asked on March 7, 2007
  99. proof by induction

    proof by mathmatical induction that the sum of the first n natural numbers is equal n(n+1)/2 It's true for n = 1. Assume that it is true for some n. Then the sum of the first n+1 natural integers can be obtained by dding the last number n+1 to n(n+1)/2.

    asked on March 5, 2007
  100. math-PLEASE HELP ME!

    # of words: 36 72 108 144 180 216 # of sec: 10 20 30 40 50 60 PLEASE HELP ME!!!!!!!

    asked on January 30, 2007

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