Posts by Lola

Total # Posts: 713

  1. Contemporary Child Day Care

    Research shows that the what is an important factor in a child's development

    How much .25 molar NAOH would you need to add to 50 mL of 2.85 molar HCl to reach the equivalence point?
  3. Chemistry Equilibrium

    1.15 g oh h2O (density 1.00 g/ml) is introduced into an empty 1.00 L container. The seled container is heated to 412 K and .150 moles of O2 (g) is present at equilibrium. A. Wrte the equilibrium expression for the reaction above. B. Calculate the equilibrium concentration (in ...
  4. Science

    A boy and girl sit on a seesaw of length 4m, balanced at its center. The girl sits at the far end and has a mass of 50kg. The boy is twice as heavy as the girl, and therefore sits midway between his end and the center. Then the girl is given a bag of oranges weighing 5kg, and ...
  5. Science

    I am too lol

    sorry this is in basic solution

    wouldnt h2o be on the other side because you orignally have 2h20 on the products and one h20 in the reactants so cancelling them out would make one h20 on the products side

    balance the redox reaction NO2^- + Ag^+ = NO3^- + Ag
  9. algebra

    Translate into algebraic exxpression one third of difference betwen 6 andp is added to 8
  10. Algebra

    translate the give fhrase into algebraic expresion 7 less than sum of 3 and x divided by 5
  11. science

    i don't know
  12. Math

    Directions: Find all solutions of the equation in the interval (0, 2pi) sin x/2=1-cosx
  13. physics

  14. chemistry

    C6H12 = 9O2 --> 6CO2 = 6H2O + 3,690 kJ *Personally Balanced* What quantity of heat is produced if 32g of cyclohexane react with 95 L of oxygen at STP? *My work so far is below* 95L*(1 mol O2/22.4L) = 4.2 mol O2 What would be the next motive?
  15. Science

    Thanks Anon 100% :)))))
  16. social studies

    i think idk
  17. biology

    which is true about the inside of a cell? -the inside of an animal cell contains structures that carry out specific jobs for the cell, but no water or molecules dissolved in water -the inside of an animal cell contains water, molecules dissolved in the water and structures ...
  18. math

    how i make triangular prism,the dimensions are 6 unit base and 6 unit height,but the entire prism has height of 15 unit
  19. Science Help!

  20. Math Help

    The number y of daily fee golf facilities in the United States from 1995 to 2003 can be represented by the following model where t represents the year with t = 5 corresponding to 1995. y=4381+1883.6lnt 5=t=13 During which year did the number of daily fee golf facilities reach ...
  21. chemistry

    The reaction between sodium hydroxide and hydrobromic acid is represented in the equation below: OH- + H+ -> H2O A 62.5 mL sample of 1.86 M NaOH at 22.5 deg Celsius was mixed with 62.5 mL sample of 1.86 M of HBr at 22.5 deg Celsius in a coffee cup calorimeter. The ...
  22. Organic Chemistry

    Calculate the partition coefficient of caffeine in water/methylene chloride from the following data: 10.3 g/100 mL for methylene chloride and 2.04 g/100 mL for water. Using the same data a student follows our procedure and extracts the caffeine using 3 extractions of 7 mL of ...
  23. Organic Chemistry

    In a very controlled experiment, a student is sure that 0.500 grams of caffeine is dissolved in 125 mL of water. The student extracts the caffeine using a single extraction of 21 mL of methylene chloride. How much caffeine is in the methylene chloride? How much remains in the ...
  24. Derivatives

    Could you perhaps do one of the ones on the bottom that are not in fraction form, cause I have a hard time doing the ones that have cos,sin,sec, and tan in them.
  25. Derivatives

    Oh okayyyyyyyy, I see it now, thanks
  26. Derivatives Help

    ..I'm not sure I understand
  27. Derivatives

    Can you help me find the derivative of these problems...Every time I try doing these I don't get the right answer. All of these are fractions; (x)/(2+x)= (x^2+3)/(x^3-2)= (2π)/(x^2-x)= These are not fractions; (3x^3/2 tanx)= (3x^1/2 sinx)= (4secx tanx)= (x^2 cotx)= (x...
  28. english

  29. english

    I did read it! The article was about people from south america are illegally coming to america by passing the border of mexico to texas.Then it talks about solutions of making people stop coming and mini stories of people who illegaly did it
  30. english

    please give me an example please
  31. english

    lets say a article talks about crossing the border of mexico illegally. Maybe i could say this reminds me about going to a country bout on a airplane and then i would have to explain why i think this
  32. english

    i still don't understand
  33. english

    what does it mean when the question is asking you ¨what was something that ¨stuck with you¨ during the reading of this article? explain." thanks
  34. Math

    Can someone tell me if I have this right? Thanks! Question: P varies directly as Q can be written as P = kQ. True Or False. My answer: True
  35. math

    24 by 15
  36. Pre-Cal

  37. Physics I

    Ok thank you.
  38. Physics I

    Isn't gravity going upward positive and if it's downward then it would be negative? That's what my teacher told me but I'm pretty sure he said the answer was D too.
  39. Physics I

    A ball has been thrown upward. Which of the following is true while the ball is on the way up, after the ball has been released, assuming no air resistance? a. The acceleration is upward. b. The acceleration is zero. c. The ball's speed increases by 9.81 m/s each second. d...
  40. algebra

  41. biology

    Please can i have a list of sone adaptive features of terrestrial plants. Please
  42. chemistry

    Please can i have a list of adaptive features of terrestrial plants. Please
  43. Math

    if there are boys to girls a ratio of 7:3 and 200 more girls enrolled how many boys will be there.
  44. Math

    it is C
  45. Identify the regular verb or verb phrase

    In the Middle Ages, students learned from priests and other church officials.
  46. PHYSİC

    A standard CD has a diameter of 12.0 cm, and a hole that is centered on the axis of symmetry and has a diameter of 1.50 cm. The CD’s thickness is 1.2 mm, and it's mass is 17 g. If a (very thin) pin extending through the hole of the CD suspends it in a vertical ...
  47. Physics

    A 1 kg hockey puck is sliding on the ice at 5m/s and stops on some dirt in 2 secs. I need to find the coefficient of kinetic friction. I found the acceleration being -2.5m/s^s (0-5m/s / 2s) Idk what to do next pleaseeee help
  48. science

    i need help
  49. Chemistry

    No other equations are provided however the question goes on to ask if enough N2O4(g) is placed in a container to achieve 1.00 atm of pressure at this temperature, predict what the final pressures of each of the gasses will be.
  50. Chemistry

    Please help! I can't seem to set this up right At any given temperature 2NO(g) + O2(g) <-> 2NO2 kp=1X10^4 2NO2(g) <-> N2O4 kp=1X10^-1 Find the kp 2NO(g) < -> O2(g) + N2(g) kp=?
  51. c++

    I have no idea. Can someone help me please
  52. chemistry

    a 2.00 L ballon at 25 degrees celcius and 745mmHg floats on an altitude where the temperature is 10 degrees celcius and the air pressure is 700mmHg. what is the new volume othe balloon
  53. Math

    17 games have won
  54. life orientation

    I don't knw
  55. math

    iriduhhwjcjezkhd JU DE AUD burthles sjeia eiajr r aij ir answer must be iriduhhwjcjezkhd JU DE burthles sjeia eiajr r aij ir
  56. math

    input:0;1;2;3 outpu2:4;2;0;-2 wht is the formula#stressed:|
  57. math

    the equation is y=2exponent(x)+2 determine the input value if y=34
  58. trig/ vectors

    Points C and D are directly across from each other on opposite banks of a river. A boat travels across the river directly from point c to point d at a speed of 12 mph. If the current of the river has a speed of 4 mph, at what angle, and speed, must the captain head to travel ...
  59. fitness and health

    I would say carrots
  60. Statistics

    1,037 it is simple math.

    it is A stupid
  62. science(check answers)

    anonymous is correct
  63. Math

    Find an Equation for the least squares line then use it to find the missing value. (400, 50) (500, 65) (500, 70) (600, 80) (700, 85) (800, 95) (550, Y) Interpolate I think the least squares line is y= .10538X+ 12.6923 Could someone verify and please instruct me how to complete...
  64. Math: Statistics Least squares line

    Find an equation of the least squares line, then use it to complete the table. X- 111 169 230 287 335 ? Y- 2 3 4 5 6 7 Extrapolation I missed the lesson on this and as far as I can tell I think the least squares line is y= .01764x+ .oo693 If anyone could verify my line and and...
  65. Math (check answers)

    For connexus students ... These are the right answers! Melody S. is wrong 1. D 2. B 3. B 4. A 5. C Guarenteed you'll get a 5/5 100%. Thank me later <3
  66. math

    a 5% acid solution is mixed with a 9% acid solution. How many ounces of each solution are needed to obtain 40 ounces of a 6% solution?
  67. Help me with this math ms sue.

    The assessment before this one what are the answers to that one?
  68. Science

    Hey can you help me with those! :P
  69. physics

    An ideal gas has a pressure of 2.5 atm, a volume of 1.0 L at a temperature of 30.°C. How many molecules are there in the gas? 6.1 × 1023 6.0 × 1022 2.4 × 1022 2.3 × 1023
  70. Physics

    The molecular mass of oxygen molecules is 32, and the molecular mass of nitrogen molecules is 28. If these two gases are at the same temperature, the ratio of nitrogen's r m s speed to that of oxygen is: (8)1/2:(7)1/2 8:7 (7)1/2:(8)1/2 7:8
  71. Physics

  72. Math

    Estimate the total number of years of service of 200 factory workers based on a sample size of n=5 where the years of service reported are 12, 8, 20, 5, 12
  73. Math

    In one hour, a factory packaged 150 boxes of light bulbs. Estimate the total number of defective light bulbs packaged that hour based on a sample of 8 boxes containing the following numbers of defective bulbs: 5, 3, 5, 1, 2, 9, 4, 3
  74. Algebra 1A

    What are the four steps for solving a problem?
  75. math(CHECK ASNWERS)

    Actually the answers are 1.c 2.c 3.d 4.a 5.c I got 5/5 100% correct trust me! Why would I lie? <3
  76. math

    Actually the answers are 1.c 2.c 3.d 4.a 5.c I got 5/5 100% correct trust me! Why would I lie? <3
  77. geometry

  78. trig

    Wow I feel stupid. Lol thanks tho!
  79. trig

    I did but I got lost :(
  80. trig

    And show work please!
  81. trig

    simplify (1-cot^2x sec^2x) / ( cot^2x)
  82. trig

    simplify (1-cot^2x sec^2x) / ( cot^2x)
  83. Science

    thank you
  84. econ/business

    Last month, Sue, of Sue's Sandwiches, sold $3,000 worth of product (sandwiches and sodas) from her sidewalk cart to 300 customers. She spent $600 on the sandwich ingredients and buying the sodas wholesale. Her monthly costs are the following: Utilities = $60, Salary = $1,...
  85. chemistry

    suppose that 100g h20 is added to calorimeter intially at 20C containing 100g of h20 at 20C. If calorimeter perfectly insulates, what would be the final temperature of the water?
  86. 7th grade accelerated math / pre algebra

    dlcjnwepcwivnije2fnvijfenviuwnerpfijndsvijnedvipnbsdijv;cns;kdalcnkjsdvnerkfu67urfhnuiernvewidvweivnekjfvnkwefvnwepiovnweofvnwpefvnifevnijefnv there u go turn this in and youll get an A+
  87. College

    Do the Counselors, at the Colleges, suppose to give their students good advises, of how to continues, and to further there Education, and to supervised how to UPGRADE their Continuing Education? YES? OR NO? WHY?
  88. Health

    Is your health is important to you? YES or NO? WHY? Give me (three) examples!
  89. Physical Education

    In the years of Physical Education, Does it helps STESS? YES or NO? WHY?
  90. Art

    Why is it very important, to do Creative ART, in school, Colleges, and ETC.?
  91. Spanish

    Is Spanish a Unique Language to learn and to Study? Why?
  92. Leadership

    What are some Leadership Conferences, that are in the State of Georgia?
  93. The Office

    Why is it very important to manage Ergonomic Factors?
  94. Psychology

    Is Psychology is very important in life? Yes or No? Why?
  95. Physical Science

    I will have to come back owm this answer. This will take a little of time to fine the correct answer.
  96. Chemistry

    What is the mass in grams of 16.46 mL of acetone?
  97. Pyschology

    Learning and behavior. Evaluates thinking.which includes observations,,and testing.
  98. Pyschology

    Problem Solving, planning and organization, fine motor skills, visual spatial skills, and academic skills. This is an examination of your behavior and emtions.
  99. Journey Career

    For a exploratory interview I need some help... What are all of the didn't kinds of pathways for a Cosmetologist? What is a career field? What is a career cluster?
  100. Physics

    In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is initially at rest but is then pulled up the ramp with a force sensor. the force sensor exerts a force on the cart parallel to the ramp. negligible friction ...
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