1. Chemistry

    Given that Ka for HIO is 3.2 × 10-11 at 25 °C, what is the value of Kb for IO– at 25 °C? Then, Given that Kb for C6H5NH2 is 1.7 × 10-9 at 25 °C, what is the value of Ka for C6H5NH3 at 25 °C? I don't know where to start? Do I need an ICE table?
  2. Chemistry

    How to determine the energy in J calories and K to convert one pound of ice to steam
  3. Physics

    If you combine 34 kg of ice at 0°C with 80 kg of steam at 100°C, what is the final temperature of the system? °C
  4. Physical Science heat & temp. Chapter

    How much heat in calories is required for (2.7 lb) of ice –200 F to be converted to water at 40 F?
  5. heat mass transfer

    Eskimos make double walled houses of blocks of ice.
  6. Chemistry

    If 135 g of ice at 0.0°C is added to 2.96 L of water at 85°C, what is the final temperature of the mixture?
  7. SCIENCE(chemistry)

    draw a temperature time plot for ice-steam transformation
  8. ms.sue do you not want to help me

    can you please let me know? Kailin, I think she needs a break today. Ice storms are very tense times.
  9. chemistry

    Ans me plxxx Identify the hydrogen bonding in DNA and ice......
  10. chemistry

    how much heat is required to melt 15 g of ice which is at a temperature of 0 degrees celsius
  11. Math

    The capacity of a 1 cm cube is 1 mL. How many 1 cm ice cubes would you need to melt to fill a 1.5 L jar?
  12. Chemistry

    Given an ice w/ a temp. of -10°c and mass of 245g. What is the enthalpy when it becomes steam at 120°c?
  13. Chemistry

    If 118 g of ice at 0.0°C is added to 1.55 L of water at 88°C, what is the final temperature of the mixture?
  14. Chemistry

    A 26.0 g sample of ice at -17.0°C is mixed with 124.0 g of water at 81.0°C. What is the equilibrium temperature?ºC.
  15. chemistry

    How much heat energy, in kilojoules, is required to convert 37.0g of ice at −18.0 ∘C to water at 25.0 ∘C ?
  16. Astronomy

    How were the different objects in the solar system discovered? What are the properties of the ice giants?
  17. computers

    You have been hired by your local library to help it set up a LAN to connect its three library sites. The director of the library, Robert Jienwerski, has a good understanding of the jargon used by network installers and administrators. Robert is very
  18. math 73

    if creamery is 22% butterfat. how many gallons of cream must be mixed with milk testing at 2% butterfat to get 20 gallons of milk containing 4% butterfat
  19. mixture problems

    How many gallons of 45% butterfat cream must be mixed with 500 gallons of 3% butterfat milk to obtain a 5% butterfat milk?
  20. accounting

    All-American Sports can purchase sneakers for $450 per dozen less trade discounts of 14/12 from Ideal Shoes. Fancy Footwear is offering the same sneakers for $435 less trade discounts of 18/6. Which supplier offers a lower net price?
  21. Physical Science

    The physical properties of ice are different from the physical properties of dry ice (frozen carbon dioxide). But the physical properties of gaseous water vapor and the physical properties of gaseous carbon dioxide are the same. Why? A.) The valence
  22. physics

    two people push in opposite directions on a block that sits atop a frictionless surface. The soles of their shoes are glued to the surface. if the block originally at rest moves to the right a distance of d. Describe qualitatively how much work is done by
  23. ENGLISH

    Please check for any errors. Correct them for me. Thanks!! Congratulation on your superb achievement. Your new position offers a quite challenge. And I am sure, John that you are the right person for the job. I can think of no one that deserves the
  24. Math (Calculus) (Work)

    Six and one-half foot-pounds of work is required to compress a spring 4 inches from its natural length. Find the work required to compress the spring an additional one-half inch. (Round your answer to two decimal places.) This is what I did so far: 4 in =
  25. Physics

    Alex is exploring a cave that has a slight incline and is iced over, forcing her to use ice cleats to explore it. After climbing 50 m into the cave, she finds what she is looking for and she takes out her ice pick and hammer to begin removing the stones.
  26. math

    The illumination a surface receives from a light source varies inversely with the square of the distance. A table lamp is 3ft from a certain work area. How far is another work area if it receives only 1/3 as much illumination as the first work area? (W/
  27. English answer check

    15. Which of the following sentences uses the passive voice? Almost every night Frances sang her son the same lovely lullaby. Because of the light color, Jason gave the room a second coat of paint. Have you ever been taken to the state fair? Despite her
  28. English

    Can you please if the following instructions on how to carry out a project work are grammatically correct? Thank you very much in advance. 1)Your dissertation should include five chapters. The first should contain the introduction to your work, followed by
  29. stats

    raffle with a grand prize $500., 2 second place prizes of $100., 4 third place prizes of $50.. the raffle offers 250 tickets for $4. each. what is probability model , the expected value of a single ticket and the target of $200.to be raised can they expect
  30. American History

    In New England, the town is a major unit of local government. Except for a few major cities, each of the six states in the region is divided into towns. Each town generally includes all of the rural and the urban areas within its boundaries. Which best
  31. Physics

    a 55 kg skateboarder starts out with a speed of 1.8 m/s. he does +80 J of work on himself by pushing with his feet against the ground. in addition, the friction does -265 J of work on him. in both cases, the forces doing the work are nonconservative. the
  32. Federalism

    Which of the following cost clearly illustrates federalism? a.an absolute conarchy b.lappointing Supreme Court justices c.amending the Constitutio d.setting utility rates http://www.answers.com/federalism What do you think? Someone here will critique your
  33. Math (Help!)

    Note: Remember to show all of the steps that you use to solve the problem. Be sure to use the text box where the question mark (?) first appears to show your mathematical work. you can use the comments field to explain your work. Your teacher will review
  34. Historyy

    2. ____________________ culture is conceived as small, incorporating a homogeneous population, typically rural and cohesive in cultural traits. A. Material B. Popular C. Folk D. Non-material E. Local Not sure 3. Which of the following is an example of a
  35. math problem

    --There is a layer of ice four inches thick covering a small pond when the weather arrives and it begins to smelt. It smelts 1/16 inch the first day, 1/8 inch the second day. 1/4 inch the third day, and keeps doubling the amount melted each succeeding day.
  36. Even more health...

    1. The health continuum is a representation of where your current health says falls--somewhere between illness and wellness. Identify the health status that might cause a decline in health and move you toward a state of illness. A. Enthusiasm for life B.
  37. Principles of Marketing

    Identify the strategy decisions a marketing manager must make in the Price area. Illustrate your answer for a local retailer.
  38. EDU

    differences between local, state, and federal roles in public elementary and secondary education. Bullet points are acceptable
  39. American National Government

    Each state constitution provides for local entities, including all except (Points : 1) counties. port authorities. municipalities. special districts.
  40. financial and managerial

    Select a Local Hospital And Compare Its Financial Ratios For The Most Recent Three Years Against The National Norms For That Type Of Institution
  41. Marketing

    Identify the strategy decisions a marketing manager must make in the Price area. Illustrate your answer for a local retailer
  42. Principles of Marketing

    Identify the strategy decisions a marketing manager must make in the Price area. Illustrate your answer for a local retailer.
  43. L.A

    Which of the following resources will help you plan your autobiographical narrative? an online encyclopedia. A timeline. A KWL chart.(MY ANSWER) A local newspaper.
  44. science

    list atleast ten healthy foods/smoothies/tonics with local produce that can help combat or reduse stress.
  45. Algebra

    The polynomial function f is defined by f(x)x^4-3x^3-2x^2+4x+5. Use a graphing calculator to find all the points (x,f(x)) where there is a local maximum. Round to the nearest hundredth.
  46. Trig

    The polynomial function f(x) is defined by f(x)=-4x^4+9x^3+2x^2-7x-2. Use a graphing calculator to find all the points where there is a local minimum. Round to the nearest hundredth.
  47. Algebra

    The polynomial function f is defined by f(x)x^4-3x^3-2x^2+4x+5. Use a graphing calculator to find all the points (x,f(x)) where there is a local maximum. Round to the nearest hundredth
  48. marketing

    Identify the strategy decisions a marketing manager must make in the Price area. Illustrate you answer for a local retailer.
  49. physics

    at a local country fair, the merry-go-round rotates at a rate of one circuit every 7.5 seconds. what is the angular velocity in radians per second
  50. Literacy

    Which search engine would be best to use when you want to know if your local library carries a particular journal? A. Worldcat B. Google Scholar C. Webarchive D. All the Web my answer is B
  51. Math Calc

    Which of the following statements is/are true 1. If f'(c)=0 then f has a local maximum of minimum at x=c 2. If f is continuous on [a,b] and differentiable on (a,b) and f'(x)=0 on (a,b) then f is constant on [a,b] 3.The Mean Value theorem can be applied to
  52. Math

    The polynomial function f is defined by f(x)x^4-3x^3-2x^2+4x+5. Use a graphing calculator to find all the points (x,f(x)) where there is a local maximum. Round to the nearest hundredth
  53. Environmental Science

    A local lake is experiencing algal bloom and many of the fish are dying. Explain why this may be occurring. Phosphates from agribusiness ruinoff?
  54. criminology

    What type of discretion might be exercised within the local police department? How does it "funnel" people into the criminal justice system or kick them out?
  55. Literacy

    7. Which search engine would be best to use when you want to know if your local library carries a particular journal? A. Worldcat B. Webarchive C. All the Web D. Google Scholar ANSWER IS A
  56. Social studies

    What criteria does Louisiana local goverment use to segment its population in contrast to the geographical boundaries used by a county government. Please help i really been looking for this answer.need help
  57. business statistics

    The International Council of Shopping Centers reports that the average teenager spends $39 during a shopping trip to the mall. The promotions director of a local mall has used a variety of strategies to attract area teens to his mall, including live bands
  58. ap Physics

    1. a)A 15.6 kg block is dragged over a rough, horizontal surface by a constant force of 72.2 N acting at an angle of angle 34.8 above the horizontal. The block is displaced 24.6 m and the coefficient of kinetic friction is 0.234.Find the work done by the
  59. English

    Can you please check these sentences? I just need to know if they are ok. 1) When do you usually get off work? He took a day off work to drive me to the airport. 2) The manager has just laid off Peter’s father. Can you put me through to the manager,
  60. science help plzzzzzzzzzzzzzzz?

    A planet orbiting a star is occasionally hit by comets. Each comet has a mass of 4.8 × 10^6 kg of which 30% is rock and 70% is water ice. Each time a comet hits the planet 40% of the mass of the comet is vaporised and the rest is added to the planet,
  61. English

    Writeacher, I need to write phrasal verbs related to work. I wonder if you could help me. I wanted to include them in a story but some phrasal verbs are more used in dialogues. 1) My mum works as a secretary for the personnel manager in the Ferrero firm.
  62. ECON

    For your twenty-first birthday, your grandfather offers you a gift of $1000 today. However you have the choice of waiting 3 years and receiving $1500 or waiting 5 years and receiving $3000. If your money grows at a rate of 8 percent compounded annually,
  63. Finance

    You borrow $150,000 to purchase a new house. The bank offers you a special 20 year loan with a 7% interest rate and you will make annual payments. How large will each payment be? If you want to sell your house after 7 years, how much will you owe and need
  64. Engineering Econonmy

    For your 21st birthday, your grandfather offers you a gift of $1000 today. However, you have the choice of waiting 3 years and receiving $1500 OR waiting 5 years and receiving $3000. If your money grows at a rate of 8 percent compounded annually, which
  65. statistics

    The deli special lunch offers a choice of three different sandwiches, four kinds of salads, and five different desserts. Use the multiplication rule of counting to determine the number of different lunches that can be ordered using the deli special lunch
  66. Parable revision

    "Give what you have, not what you want in the future"(This is the title) One weekend, my mother decided to visit her mother in Detroit. Upon getting to Detroit she gets word from a local resident that the city was damaged terribly by a huge storm. The
  67. Science

    How many btu require to change 10 pounds of ice at 20F to steam at 220F
  68. Physics

    How many joules would be required to raise the temperature of 20g of ice at oC to water at15C?
  69. chem 200

    669 cal of heat is added to 5.00 g ice at –20.0 °C. What is the final temperature of the water?
  70. physics

    the height of the mercury in the glass tube thermometer when in melting ice and then steam are 3 cm and 18 cm respectively
  71. physics

    How much heat (in kJ) will it take to bring 56 kg of ice at -8°C to dry steam? Answer to 3 significant figures
  72. physics

    How much heat in KJ is needed to change 3.0 kg of ice at -10C into (superheated) steam at +150C ?
  73. phy

    What mass of steam at 100°C must be added to 1.00 kg of ice at 0°C to yield liquid water at 15°C?
  74. Chemistry

    Does the Hydrogen Bondings in ice form, break, and reform all the time, just like in water?
  75. aspirin

    during the synthesis of aspirin, why do the crystals mostly form when the test tube is placed in the ice bath and not before?
  76. Physics

    If 9.30 x 10^5 J of energy are transferred to 2.00kg of ice at 0 deg C, what is the final temperature of the system?
  77. physics

    how much heat is required to change 400g of ice at -20c into steam at 120c
  78. Physcial science

    How many joules of heat are required to melt 40kg of ice at 0 degrees celsious?
  79. Chemistry

    what mass of water at 15C can be cooled 1C by heat necessary to melt 185g of ice at 0C
  80. chemistry

    How many grams of ice at -14.3∘C can be completely converted to liquid at 24.8∘C if the available heat for this process is 4.75×103kJ ?
  81. physics

    Determine the resulting temperature when 150g of ice at 0°C is mixed with 300g of water at 50°C
  82. Physics

    A cube of ice weighing 18 grams sublimes into vapor. How many liters of gas will you get?
  83. science

    at least 6 word to use in complete sentences to describe the motion and forces on the ice skate?
  84. science

    How to determine the amount of energy released when 50g of 100C steam changes to 0C ice?
  85. Robert Frost/English/Ms.Sue

    Yes, i'm referring to the Poem. I don't understand how hate and ice can cause a world tradegy.
  86. physics

    150g of ice at 0'c is mixed with 300g of water at 50'c. calculate the temperature of a mixture
  87. Physics Science

    How many kilocalories of heat are required to melt 20.0 kg of ice at 0°C? Okay so the given is m=20.0kg Ti=0°C HeatFusionIce=80 kcal/kg
  88. chem

    Calculate the amount of heat required to convert 17.5g of ice at -33.5∘C to steam at 100.0∘C.
  89. PHYSICS DUE SOON

    A 95.1-g ice cube is initially at 0.0°C. (b) What is the change in entropy of the environment in this process? ___________J/kg
  90. science

    Describe similarities between ice wedging and weathering caused by plant roots?
  91. chemstry

    calculate the amount of energy required to convert 55.0g of ice at -10.0°c into steam at 125°c?
  92. Physics

    If 9.30 x 10^5 J of energy are transferred to 2.00kg of ice at 0 deg C, what is the final temperature of the system?
  93. Science

    If 300gm water of 25°c is added into 100gm ice of 0°c then calculate the final value if this mixture.
  94. chemistry

    calculate the energy required to heat 1.00L of ice at -50.0C to steam at 180.0C
  95. chemistry

    Calculate q in J when 2.02 g of ice is cooled from -22.6°C to -73.8°C (cice = 2.087 J/g·K). Do not add units to your answer.
  96. Chemistry

    How much heat is needed to increase the temperature of 60 g of H2O from ice at -5C to liquid at 20C?
  97. College Chemistry

    if 5.25g of ice AT 0 c IS PLACED IN 25.63 G OF LIQUID WATER AT 28c, WHAT WILL BE THE FINAL TEMPERATURE OF THIS MIXTURE?
  98. chemistry

    what is the purpose of using an ice bath in organic chemistry when isolating the final product?
  99. Physics

    Use the Second law of thermodynamics to explain why an ice cube cools off your warm soda.
  100. physics

    a 150g-iron ball at 95 Celsius is dropped into a cavity in a block of ice