1. Acid Base Chem

    During the course of an experiment with hydorgen phsophate (HPO42-) you find that it is functioning as a base. When you search for the Kb value of it you only find pKa1= 2.15, pKa2= 7.20, and pKa3= 12.35 of phosphoric acid (H3PO4). What is the Kb value??
  2. geometry

    For 1 through 10, what is the area and volume of the given shape, if the length of one side of the base is 6, the height is 8, and the slant height is 10? (Not all shapes will require all three numbers.) The shape is a right prism with: 1. an equilateral triangle as the base
  3. Math

    a) One mould forms a sculpture that is a composite object comprising a right cylinder with base diameter 15 in. and height 3 in., and a right cone with the same base diameter as the base of the cylinder and a height of 9 in. Determine the volume of the sculpture to the nearest...
  4. Algebra word problem

    A parabolic arch has a height of 20 m and a width of 36 m at the base. If the vertex of the parabola is at the top of the arch, at which height above the base is it 18 m wide?
  5. math

    Shark teeth are shape like a triangle. The height of a certain shark is 2cm longer than the base. The area is 24cm^2. Find the height and base
  6. math

    Identify the rate, base, and amount in each rate 75% statement or question. Do not solve the base 150 exercise at this point. 150 is 75% of what number?
  7. geometry

    the area of a triangle is 27 square feet. its height is three times the length of its base. find the height and base of the triangle. i am unsure of how to set it up, please help
  8. chemistry-acid/base extraction.

    I do not understand acid base extraction. why should we mix, for example, an organic and aqueous compound to then separate them from each other. please explain confused....
  9. trig

    the length of the base of an isosceles triangle is 30.42 inches. each base is 26.54 degrees. find the length of the two equal sides of the triangle to the nearest hundredths. i get 15.19. is that right?
  10. mathes

    An arch is in the form of a semi ellipse.it is 50m wide at the base and has ahight of 20m.how wide is the arch at the height of 10m above the base?
  11. math

    find the area of a triangle with the base 1 1/4 and height 4/9 ( Hint the area of a traingle is equals half the product of its base and height ) I came up with .55 or 11/20 is this correct ???
  12. SBVC

    The formula for the area of a parallelogram is A = bh. The area of the parallelogram in the illustration is 300 square centimeters. If its base is three times its height, how long is the base?
  13. Quadratic Equations

    The height of a triangle is 1 in. more than twice the base. Find the base and the height if the area of the triangle is 52-1/2 sq in. (Please provide steps/explanation to solve this problem.)
  14. Chemistry

    Please Help! Describe how water could be classified as either an acid or a base. Give an example of each (acid and base). What word describes substances that can be classified as acids or bases?
  15. calc

    What is the volume of the solid with given base and cross sections? The base is the region enclosed by y=x^2 and y=3. The cross sections perpendicular to the y-axis are rectangles of height y^3.
  16. math

    A solid cone is cut into two parts by a plane parallel to the base and 3/5 of the height of the cone above the base. Find the ratio of the volumes in the two parts.
  17. chabot college

    Consider the position function s(t)=sin((pi)(t)) representing the position of an object moving along a line on the end of a spring. Sketch a graph of s with the secant line passing through (0,s(0)) and (0.5,s(0.5)). Determine the slope of the secant line and its relationship ...
  18. PHYSICS

    A hockey puck with mass 0.160 kg is at rest at the origin (X = 0)a player applies a force of 0.250 N to the puck, parallel to the x- axis; he continues to apply this force until t = 2.00 s. a) What are the position and speed of the puck at t = 2.00 s? b)If the same force is ...
  19. Physics

    A 1.4 kg mass is attached to a spring with a force constant of 56 N/m. If the mass is released with a speed of 0.26 m/s at a distance of 8.6 cm from the equilibrium position of the spring, what is its speed when it is halfway to the equilibrium position?
  20. Physics

    A 1.4 kg mass is attached to a spring with a force constant of 56 N/m. If the mass is released with a speed of 0.26 m/s at a distance of 8.6 cm from the equilibrium position of the spring, what is its speed when it is halfway to the equilibrium position?
  21. AED / ASAP PLEASE

    this is my DQ 1: What are some factors that contribute to the disproportional representation of minority students in special education classes? Explain your answer. here is the scenerio and the question # 1 I need to answer:Riley Behler, a third-grade teacher at the Martin ...
  22. Health Care

    I cannot figure out the GAAP and the relevance of each GAAP that is being used to create the financial plan for Patton-Fuller Hospital. I did complete the following budget projections necessary to help answer the question Patton-Fuller Community Hospital Statement of Revenue ...
  23. statistics

    When a parachute is inspected, the inspector is looking for anything that might indicate the parachute might not open. - State the null and alternative hypotheses for this situation.
  24. stast

    suppose the alternative hypothesis in a hypothesis test is "the population mean is less than 60" if the sample size is 50 and alpha =.05, the critical value of the z is?
  25. Chemistry

    Besides creating less pollution, what is another reason hydrogen based fuel for cars would be a a better alternative than the fuel we use today?
  26. calculus

    Maximimum profit: you operate a tour service that offers the following rates: (1) $200 per person if 50 people (the minimum number to book the tour) go on the tour. (2) for each additional person, up to the maximum of 80 people total, everyones charge is reduced by $2. it ...
  27. Physics

    A particle leaves its orgin with a velocity of 4 i m/s and a constant acceleration of (-2i + .5j) m/s^2. At the time the particle reaches its maximum X corrdinate a) what is its velocity? b) what is its position vector? I'm not sure which equations i should use. solve for the ...
  28. CALC 2

    The position of particle P at time t is given by {x=t, y=3t-1} and the position of particle Q at time t is given by {x=4t-(t^2), y=t+1} a) Sketch both paths as well as possible. Be sure to label the paths with the particles (P and Q) traveling on each of them. b) Find the two ...
  29. Calc 1

    Consider the position function s(t)=sin((pi)(t)) representing the position of an object moving along a line on the end of a spring. Sketch a graph of s with the secant line passing through (0,s(0)) and (0.5,s(0.5)). Determine the slope of the secant line and its relationship ...
  30. chemistry

    What is the pH of the solution created by combining 12.00 mL of the 0.10 M base with 8.00 mL of the 0.10 M acid acid: acetic acid base: ammonia
  31. geometry

    if the isosceles triangle abc has one base angle of 2x-20 and the other base angle x+10 then what is the measure of angle b given the choices 36,40, 44, and 48
  32. Statistics

    John runs a computer software store. Yesterday he counted 127 people whwo walked by his store, 58 of whom came into the store. OF the 58, only 25 bought something in the store. A. What is probability that a person who walks by the store will enter the store? B. What is the ...
  33. Math

    A pendulum is connected to a rope 3 m long, which is connected to a ceiling 4 m high. The angle between its widest swing and vertical hanging position is pi/3. If the pendulum swings out to its widest position in 2 seconds, model the height of the pendulum from the ground ...
  34. Psychology

    "He is never going to change. He is set in his ways," the client complained. "let's think about it. Does this hurt you or him.?" The therapist is applying: a. behavioural therapy b. a cognitive treatment approach c. psychodynamic therapy d. contingency contracting I am ...
  35. Math

    the distance between any two bases on a baseball diamond is 90 feet.What is the best approximation for the direct distance from home plate to second base? A baseball diamond's four bases form a square with 90 foot sides. A right triangle is formed by home plate, first and ...
  36. algebra

    The electricity costs of a business decreased from $12,000 one yeart to $10,920 the next. What is the rate of decrease? the formula i am suppose to use i believe is amount/ base= rate/100 is this way i should do it 12,000/10,920=r/100 I seem to get the amount and the base ...
  37. English

    8. What can readers infer from the following quote from Act V, Scene 3 of Romeo and Juliet? Romeo: O, be gone! By heaven, I love thee better than myself; For I come hither arm’d against myself: Stay not, be gone;--live, and hereafter say, A madman’s mercy bid thee run away...
  38. statistics

    Assume the monthly rainfall in a certain state is normally distributed with a mean of 2.85 inches and a standard deviation of .2 inches: a) probability that in any given month there is between 2.7 and 2.9 inches of rainfall b) probability that in any given month there is more ...
  39. Math

    one satellite radio service charges $10.00 per month plus an activation fee of $20.00. a second service charges $11.00 per month and an activation fee of $15.00 for what number of months is the cost of either service the same?
  40. writing paragraphs and sentences

    Background Your favorite cousin has moved to your town and is looking for a job. Her previous experiences are working as a cashier and sales clerk at two department stores. You know she plans to apply at similar stores in your town. But you also know she is a perfect match for...
  41. Physics

    A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 22◦ below the horizontal. The negligent driver leaves the car in neutral, and the emergency brakes are defective. The car rolls from rest down the incline with a constant acceleration ...
  42. College Physics

    A person jumps from a window 34 meters high and is caught in a firefighter's net which stretches 0.6 meter. To the nearest m/s^2, what is the magnitude of the person's acceleration in the net?
  43. physics

    A person jumps from a window 57 meters high and is caught in a firefighter's net which stretches 0.6 meter. To the nearest tenth of a m/s^2, what is the magnitude of the person's acceleration in the net?
  44. Physics

    A person of mass 70kg slides across a slippery floor at 2m/s. If the coefficient of kinetic friction is 0.05 and that of static friction is 0.35. Find the distance the person will slide before stopping.
  45. physic

    Calculate the pressure exerted on the ground by a79kg person standing on one foot. Assume that the bottom of the person's foot is 13cm wide and 28cm long.
  46. physics

    A person is standing on a spring bathroom scale on the floor of an elevator which is moving up and slowing down at the rate of 1.53 m/s 2 . The acceleration of gravity is 9.8 m/s 2 . If the person’s mass is 83.4 kg, what does the scale read?
  47. math

    based on a 150 pound person jogging = 740 cal burned for 5 1/2 mi/hr if a person jogs at a rate of 5 1/2 mi/h for 3 1/2 h in a week how many calories do they burn. Multiply 3 1/2 by 740.
  48. PE

    A ________ is the way a person reacts to a situation based on the social environment in which a person grows up. Coping Strategy Defense Mechanism ** learned emotion primary emotion
  49. physics-mechanics

    a person walks 400m north along one side of a rectangular field and then 300 m along the other side, the walk takes 10 min, calculate the av. velocity of the person?
  50. Physics

    Determine the work done by a person when lowering an object of mass 2.6 kg by a distance of 2.4 m. The person applies a force Fext such that the object moves with constant speed, i.e., without acceleration,
  51. college physics

    A person walks from point A to point B as shown in the figure below. What is the person's displacement relative to A? What is the magnitude? What is the direction ° (counterclockwise from the +x-axis)? d question is on exactly is on googl
  52. Algebra word problem

    Mary is two years older than Robert. The sum of their ages is 28. Write an expression for each person, write the equation for the situation and find out how old each person is.
  53. Math

    Four friends went out to dinner.The total bill was 97.38 one of your friends has a coupon for 35 percent off and the group left a 18precent tip if each person payed the same amount how much did each person pay?
  54. Chem

    if a person inhales 0.1 mol air per breath, and the pressure is 92kpa and body temp is 37 degrees celcius what is the maximum volume of air this person can inhale
  55. physics-mechanics

    a person walks 400m north along one side of a rectangular field and then 300 m along the other side, the walk takes 10 min, calculate the av. velocity of the person?
  56. algebra

    A certain office can purchase a photocopier for $5600 with a maintenance fee of $15 a month. On the other hand, they can rent the photocopier for $95 a month (including maintenance). If they purchase the photocopier, each copy would cost 3¢; if they rent, the cost is 6¢ per ...
  57. Math: Finance

    Need help solving these finance questions? PV = C/r PV= C/r-g P= D/r-g 1st: Tom is 30 years old today. His salary next year will be $20,000. He forecasts salary growth of 5%/year and plans to retire at 60. 1) If the discount rate is 8%, what is the PV of his future salary ...
  58. SAT Essay

    Most people underestimate their own abilities. They tend to remember their failures more vividly than their successes, and for this reason they have unrealistically low expectations about what they are capable of. Those individuals who distinguish themselves through great ...
  59. Calculus (area of base and volume of solid)

    Can you check my work and see if I did the problem correctly? Thanks! A solid with a base formed by intersecting sine and cosine curves and built up with semi-circular cross-sections perpendicular to the x-axis. Find the area of the base and the volume of the solid. Integral...
  60. SS

    Suppose that people in your community voted to eliminate all taxes. Which of these goods and services would most likely disappear? A. interstate highway maintenance B. neighborhood trash pickup C. regional military base D. grocery store parking lots B What is one source of ...
  61. Maths - Linear Programming

    Hey, I'm having trouble formulating this as a linear program. If anyone could help at all it would be much appreciated. Thanks A manufacturer has contracted to produce 2,000 units of a particular product over the next eight months. Deliveries are scheduled as follows: Month ...
  62. math

    At a party, there were 105 handshakes. If each person shook hands exactly once with every other person, how many people were at the party?
  63. earth

    if a person's mass is 50 kilograms approximately how much force is exerted on the person at earth surface
  64. English 7 (answer quick)

    What does it means what something say evaluate a person. Does it means I have to describe the person using adj.?
  65. Math

    For 3 person relay, a coach can choose from 4 of his top runners. How many different 3- person teams can he choose?
  66. english

    how do you answer the phone when the person is looking for you? like...the person said "May I speak to _____?" what are the different ways to answer if it were you actually on the line?
  67. geometry

    mrs. sally needed to build a triangular platform in the shape of an isosceles right triangle. the legs of the triangle are 6"long how long was the base side of the triangular platform? she also made well panels for the show that were 4" wide. how many wall panels would fit ...
  68. chemistry

    An alcohol has an OH- Functionality in it. Do you expect it to be a base? Why or Why not? I said it is a base b/c Alcohols have a slight tendency to lose the proton on the alcohol group, however less so than water, and so they do not significantly change the pH when added to ...
  69. calc - question #1

    A frustum of a right circular cone with height h, lower base radius R, and top radius r. -what's the volume using h, R, & r in the answer? Figure it as the difference of two right cones, 1/3 base area*height.
  70. Chemistry 111

    a) Write Bronsted acid-base equilibrium equations for the following: b) Show the acid-base conjugated species, labeling all species (1) HSO4- + C2O4-2 (2) HPO4-2 + NH4+
  71. biochem

    If I am given a solid chemical form of both the acid and the base, how do I determine how many grams of each I need to make 1L of a 25mM Tris-HCl buffer with acid concentration of 18.94mM, and base concentration of 6.06mM?
  72. geomtry

    The base of a 6-inch long ice cream cone with a diameter of 2 inches, is cut 0.25 inches from the base. The left over shape resembles a cylinder. What is the BEST estimate for this shape's volume?
  73. calculus optimization max min

    find the dimensions of the rectangular area of maximum area which can be laid out within a triangle of base 12 and altitude 4 if one side of the rectangle lies on the base of the triangle thanks
  74. calculus

    The base of a solid consists of the region bounded by the parabola y=rootx, the line x=1 and the x-axis. Each cross section perpendicular to the base and the x-axis is a square. Find the volume of the solid.
  75. Chemistry

    What is the pH of the solution created by combining 2.00 mL of the 0.10 M base[ammonia] with 8.00 mL of the 0.10 M acid[acid acid]? I tried this problem so many times, but always got it wrong. It's a weak base and acid titration. but i don't know the method of do this type of ...
  76. Philosophy

    • It is not uncommon that students leave the class with more confusion than clarity. By “confusion”, I do not mean a lack of understanding of the concepts. I mean instead the feeling of being pulled in several directions and not knowing where to side. I mean the feeling ...
  77. substance abuse couseling

    Process 1.Prewrite about your field of study and create a specific job for which you might want to apply at a particular business or organization in your area.Outline what that position would look like.Brainstorm details,names,titles,and facts to provide depth to your ...
  78. Physics to be solved

    The block in the figure below lies on a horizontal frictionless surface and is attached to the free end of the spring, with a spring constant of 55 N/m. Initially, the spring is at its relaxed length and the block is stationary at position x = 0. Then an applied force with a ...
  79. 10 math

    Dawn earns $16,500 per year. She pays 9.5% of her gross income in state and local taxes. How much is withheld from each paycheck for these taxes if she is paid biweekly?
  80. accounting

    Net income is $32,400. Administrative expenses are $11,800 and selling expenses are $7,200. Cost of merchandise sold is $61,100. How much is gross profit?
  81. "Math"

    A jewelry store wishes to rpice a watch that costs $65 to yield a gross profit (mark-up) of 52% of thier costs. Find the selling price?
  82. SOCIAL STUDIES

    Which of the following pieces of the square deal legislation left a major impact on the economy? A.)Wisconsin Idea B.)16th Amendment C.)Pure food and drug act D.) New interstate commerce commission laws B???
  83. 8th Grade Social Studies Unit test

    What is all the answers? please help 1. What significant affect did the Treaty of pairs, signed after the french and Indian War, have on France? a.France had to Withdraw to its empire in central and South America. b.France had to allow the British to claim and settle the Ohio ...
  84. Computer Programming

    2. Chocolate Delights Candy Company manufactures several types of candy. Design a flowchart or pseudocode for a program that accepts a candy name (for example, "chocolate-covered blueberries"), price per pound, and number of pounds sold in the average month. Display a message ...
  85. Grammar

    i am wanting to make sure this is correct. the complete subject and the simple subjects of the following. The two-and-a-half-month-old child received 2nd degree burns across the bridge of his nose. Complete: The two-and-a-half-month-old child simple is child? It was suggested ...
  86. chemistry

    Heisenberg's uncertainty principle can be expressed mathematically as Δx*Δp = h/4π, where Δx and Δp denote the uncertainty in position and momentum respectively and h is Planck's constant. What would be the uncertaintry in the position of a fly (mass...
  87. Chemistry

    Heisenberg's uncertainty principle can be expressed mathematically as Δx*Δp = h/4π, where Δx and Δp denote the uncertainty in position and momentum respectively and h is Planck's constant. What would be the uncertaintry in the position of a neutron (...
  88. chemistry

    Heisenberg's uncertainty principle can be expressed mathematically as Δx*Δp = h/4π, where Δx and Δp denote the uncertainty in position and momentum respectively and h is Planck's constant. What would be the uncertaintry in the position of a fly (mass...
  89. physics

    a pond of water filled with water apto 60m. 1)write formulato find the pressure of water exerted on the base of pond. 2)calculate the pressure exerted by the water on the base of pond?density of water is 1000kg/m3 3)half of the water was removed from the pond.what could be the...
  90. Psychology

    Is this the correct answer? Please help! If a person believes that his or her mind is being controlled by outside forces or that he or she is getting special coded messages from the television, this person is experiencing which type of psychotic symptom? I choose D a. insanity...
  91. english confused

    Is this a VALID or INVALID argument? Animals should be in cages Did this person use DEDUCTIVE or INDUCTIVE reasoning? What types of appeals did the person rely on (ethos, logos, pathos)? Do you detect any BIAS in their response? could i get help figuring this out
  92. physics

    Two person watch the same object move.Marty says it accelerates straight up downward,but joanne claims it falls along a curved path.describe the conditions under which each person would be reporting correctly what they see. sorry for my mistakes can you please answer it ms.sue
  93. CRIMINAL JUSTICE

    If a person that was standing at a bus stop was arrested for failure to provide identification in the state of virginia and after arrrest found that person is an illegal alien, is this a felony or misdeameanor? and what the bond amount or fine be?
  94. english

    Name an object, person, place, or action that you could use to symbolize each of the following: 1-freedom 2-a difficult experience 3-a disappointment 4-telling a lie 5-an obnoxious child 6-a new opportunity 7-making a new friend 8-a politician 9-being a complicated person 10-...
  95. Accounting urgent

    Whistle manufactures referee whistles. At the end of February, Whistle has 2,000 pounds of steel for whistles inventory. Whistle expects to produce and sell 50,000 whistles in March. Each whistle requires a standard quality of .2 lbs of steel. Whistle wants to have 5,000 ...
  96. Writing

    Can you please tell me whats right and whats wrong..Thank you. Part I: True or False 1. The following word group is a FRAGMENT: That movie, one of my favorites. _x_True __False 2. The following word group is a FRAGMENT: The local baseball team, needing a good pitcher most of ...
  97. French

    Can you check these thanks. Le métro Directions: Completez 1. Il y a dix tickets de métr dans un ----------. Answer: carnet 2. On peut acheter des tickets au ----------- ou au -------------. Answer 1: guichet Answer 2: distribueur automatique 3. Les voyageurs attendent le m...
  98. physics

    An athlete is running at a constant velocity with a javelin held in his right hand. The force he is applying on the javelin as he carries it is 5.0 newtons. If he covers a distance of 10 meters, what work has he done on the javelin?
  99. math

    A triangular traffic island has a base half as long as its height. The island has an area of 289 m2 . Find the base and the height.
  100. Algebra II

    The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
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