1. Chemistry

    An aqueous sugar solution is formed by adding 50.1 g sucrose (C12H22O11) to 200.0 g water. What is the boiling point (in Celsius) of this sugar solution (this is NOT the ΔTb). Kb H2O = 0.51 Celsius/m
  2. math

    64 miles on 2 gallons;how many miles on 3 gallons? n=96
  3. History

    American System Congressman that proposed? Was it Henry Clay It was designed to make the nation _____________ not needing to trade with others to survive
  4. Physics

    1a. Two converging lenses, each of focal length 14.4 cm, are placed 60.6 cm apart, and an object is placed 26.9 cm in front of the first. Where is the final image relative to the second lens formed? b. What is the magnification of the system?
  5. algebra

    Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 3x – 15y = -12 3x + 24y = -12
  6. Health

    Which of the following is the minimum level of structure needed to perform the function of waste removal? A. body system B. tissue C. cell D. organ C or A
  7. world history

    Division of labor is a system of manufacturing and of granting economic rights and privileges to a given geographic area. True False
  8. HR

    Managers and economists traditionally have seen HRM as a(n) A. source of value to their organization. B. necessary expense. C. asset. D. essential component of a high-performance work system. D
  9. Physics

    A pulley system has an efficiency of 78.0 per- cent. The acceleration of gravity is 9.81 m/s2 . How much of the rope must be pulled in if a force of 469 N is needed to lift a 52 kg desk 2.78 m?
  10. science

    which of the following boxes below represent a stable system and describe how a disturbance to this box would affect it and use the terms center of mass and equilibrium in your response.
  11. physics

    Two bodies of mass 3kg and 4kg are suspended at the ends of massless string passing over a frictionless pulley .the acceleration system is
  12. Accounting 225

    Parker Company uses a perpetual inventory system. It entered into the following calendar-year 2005 purchases and sales transactions:
  13. Physics

    Four masses m1 = 1kg, m2 = 2kg, m3 = 3kg and m4 = 4kg are at the corners of a square of sides 4cm. What is the gravitational potential energy of the system?
  14. Physics

    Use the first law of thermodynamics to determine the amount of heat change, Q, and whther it was added to or removd from the system. W=225J Delta U=600J Q=?
  15. Biology

    A baby born without the ability to produce immune system cells may survive for several months, even when exposed to potentially deadly diseases. How?
  16. social studies

    What type of political system is headed by Queen Elizabeth II of England? A) dictatorship B) oligarchy C) pure democracy D) monarchy
  17. History

    Yes or no.Money is an example of an capital resource. I say yes. Yes or no.In our economic system, people receive wages for producing goods or providing services. I say yes. Is my answers right.
  18. MATH

    Determine graphically whether each given point is a solution to the system of linear equations. y = 4x-9 y = -2x+3 (2, -1) Is there any good online graph which could help me plot the points and stuff?
  19. physics

    A 445 g sample of ice at -58CENTIGRADE iS HEated until its temparature reaches -29 centigrade.find the change in heat contend of the system.
  20. information technology

    How would you describe property management system (PMS, point-of -sale(POS) and Accounting uses and interelation within the hospitality industry?
  21. EDU

    What is the importance of the Ole Deluder Satan Act? Why was it made? I know that required that towns with 50 or more families establish schools, but what is the connection with the school system?
  22. Pre-Calculus

    I have to use the substitution method to solve the system of equations. 4x-y=9 and 2x+3y=12 I worked this problem myself and could not find a possible solution. So I put that it is inconsistent. Is that correct? If not could you please help me?
  23. Math

    solve the system of linear equations using the addition method. Can you please show me the steps on how you reached the answer. Thank You 2x+20y= -144 12x+5y= 56
  24. physics

    two perfect elastic balls of same mass m are moving with velocities u1 and u2 . they collide elastically n times. the kinetic energy of the system finally is?
  25. American Corrections

    African Americans and Latinos/as are overrepresented in the criminal justice system. Discuss the social and political consequences of this fact.
  26. Physical Education

    Your body can get antibodies from? A. Immunizations. B. Being exposed to the virus or antibody and having your immune system make it. C. None of the above D. All of the above D? I don't know though becuase All of the above is under none of the above. Im really confused.
  27. Sociology of Developing Countries

    What are some key ways to ensure the armed forces of a Third World Country does not attempt a coup to take over the political system?
  28. business

    what advantage might a socialist system have in responding o the needs of people struck by emergency situation like the earthquake that occured in haiti in january 2010
  29. CHEMISTRY> HELP QUICK! pls

    A system loses 14.2 kJ of heat while performing 7.2kJ of work on the surroundings. If the initial internal energy, E, is 77.6 kJ, what is the final value of E? 56.2 kJ 70.6 kJ 99.0 kJ 84.6 kJ
  30. physics

    An american system of communication is based on the radio frequency of 76 Hz. Compute the wavelength of theses waves and compare it to the diameter of the earth.
  31. Science

    For lunch, you have a turkey sandwich on wheat bread with mayonnaise and lettuce. Describe how each component of this meal would be broken down in the digestive system. Thanks.
  32. Algebra

    Solve the system of equations by substitution. Your answer should be given as an ordered pair like this (x, y). Round your answers to the nearest tenth. y=-2+7x 10x-7y=209
  33. Government

    Imagine you are on a committee studying whether or not to make changes to the Electoral College system. What would you recommend? In a well-written paragraph, explain your position with at least three reasons.
  34. Environmental science

    Why does the energy pyramid levels change in size ? What would happen to a food web if one of the primary consumers was removed from the system ?
  35. hvac

    gas trapped in a reciprocating piston compressors clearance space expands at the beginning of the suction stroke what effect does this have on the system
  36. american government

    Which of the following is characteristic of a capitalist economic system? a. free enterprise b.self-reliance c.private property d.individualism e.all of the answers are correct
  37. check geo

    what name is given to a system of trade in which individuals can operate and profit from buissness? a)communism b)free market economy c)surplus d)monopoly its b.
  38. Criminal Justice

    Can a police officer bring up the matter of a multi-state drug traffiking case to the federal court system?
  39. science

    Using either or both chapters (6 and/or 7) create a SOAP note using five medical words discussed in this week’s reading. urinary and male reproductive system
  40. Algebra

    using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. 3x + 24y = 24 27x – 15y = -15
  41. Neuroscience

    What type of cell in the central nervous system plays an important role in the uptake and processing of neurotransmitter from synaptic clefts/
  42. american government

    Discuss the role of third parties in the political system. I'm having trouble getting started on this. What points should I include? And is there any good website I can look on? I need 1-2 paragraphs on this.
  43. Pre-Calculus

    Write the standard form of the equation of the circle that passes through the points at (4,5), (-2,3), (-4,-3). I have gotten to the point of the system of equations but do not know know how to proceed. I have: 4D + 5E + F + 41 =0 -2D + 3E + F + 13 =0 -4D - 3E + F + 25 =0 Any ...
  44. Algebra 1

    Okay. So I am completely lost with this... Any help would be great! 3. Solve the system using any method – graphing, substitution, or linear combination. Make sure to show your work. 2x + 5y= 8 x + 3y= 2
  45. Physics

    Two concentric conducing spheres of radii 4 cm and 12 cm are given equal but opposite charges of 6 x 10^-8C. How much energy is stored in the system? How would I go about in beginning to solve this problem?
  46. biology

    Aristotle's system of classification, which 2 animals would be grouped together? A, seagulls and lizards B.seals and bats c. snails and butterflies d. whales and fish thanks
  47. Science

    What is the initial angular speed of the system if the moment of inertia is 2.25 kilogram per squared meter and the time is 1.26 seconds after one complete revolution.
  48. Biology

    Which of the following is NOT found in the human central nervous system? A) hypothalamus B) forebrain (cerebrum) C) autonomic neurons D) medulla E) spinal cord
  49. economics

    What advantages might a socialist system have in responding to the needs of people struck by an emergency situation like the earthquake that occurred in Haiti in January of 2010?
  50. physics

    The horizontal surface on which the objects slide is frictionless. If F = 12 N and M = 2kg, (a) what is the tension in string 1? (b) What is the acceleration of the system? <--2F--blockM--2--block2M--1--block3M--3F-->
  51. social studies

    Payment to workers, his dependents,and/ or survivorsin the event of retirement, disabilityor death are generally covered by the system of insurance known as ?
  52. Criminal Justice/Judicial System

    Studies indicate that __________ are overrepresented in the jail population. A. Whites B. Hispanics C. African-Americans D. Asians I Think it's B, but not sure.
  53. History/SS

    How did the spoils system affect President Jame s Garfield and his successor Chester A. Arthur? Please Mrs.Sue give me some links or something!!
  54. Social Studies

    A system in which a series of workers and machines work to add individual parts to a product is known as a(n)____and it_____. Link please to help me?
  55. Criminal Justice

    According to the conflict perspective, conflicts between groups: A. can be avoided through the use of the legal system. B. are inevitable. C. cause power vacuums. D. can be changed though negotiation. is it B
  56. math

    The real numbers x and y satisfy the nonlinear system of equations 2x^2−6xy+2y^2+43x+43y=174 x^2+y^2+5x+5y=30. Find the largest possible value of |xy|.
  57. TX Goverment

    Does the state (Texas) system for raising revenue rely too much on regressive mechanisms like sales tax, user fees and licenses?
  58. chemistry

    A 445 g sample of ice at –58oC is heated until its temperature reaches –29oC. Find the change in heat content of the system.
  59. Intermediate Algebra

    Solve using the substitution method. Show your work. If the system has no solution or an infinite number of solutions, state this. -3x + y = 4 x + 3y = 22 Here's what I came up with (where did I go wrong) -3x + y = 4 y = 4 - 3x -3x + (4-3x) = 4 -3x + 1x = 4 -2x = 4 x= -2 -2x...
  60. ap chemistry

    Consider the reaction Ni(s) + 4CO(g) ! Ni(CO)4(g) Assuming the gases are ideal, calculate the work done on the system at a constant pres- sure of 1 atm at 75C for the conversion of 1.00 mole of Ni to Ni(CO)4.
  61. Math

    Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x + 5y = 52.5 30x – 7y = 80.5
  62. English 3

    Which of the following items is not usually a factor in linguistic change? A. geographic isolation B. decision of government body C. influence of other languages D. education system
  63. algebra

    Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. -x – 8y = 43 4x + 32y = 172
  64. Western Experience

    in what ways did the alliance system, implemented to maintain a peaceful balance of power in Europe, in fact have the opposite effec?
  65. Chemistry

    What is the total internal energy change (∆E), in J, of a system that releases 202.90 J of heat and absorbs 315.7 J of work from the surroundings?
  66. physics

    how does the shotspotter system can determine the location of a shooting, given the initial muzzle report and the fact that this sound moves out in a spherical wavefront?
  67. biology

    In Aristotle's system of classification, which two animals would be grouped together (A)segulls and lizards (B)seals and bats (C)snails and butterflies (D)whales and fish
  68. Science

    Which is not part of your immune system's response to a disease-causing organism? Answers: A. Vaccination B. Recognition C. Disposal D. Immunity My answer: D
  69. Chemistry

    True or False? An increase in pressure for a system composed entirely of gases will cause the reaction to shift to the side that contains the larger number of moles.
  70. Social Studies

    11) - What type of political system is headed by Queen Elizabeth II of England? A) dictatorship B) oligarchy C) pure democracy D) monarchy
  71. physics

    Three blocks on a frictionless surface are connected by massless strings, with M1 = 1.40 kg, M2 = 2.40 kg, and M3 = 3.60 kg. Due to the force F acting on M3, as shown, the system accelerates to the right. Given that T1 is 3.50 N, calculate T2
  72. math

    The real numbers x and y satisfy the nonlinear system of equations 2x^2−6xy+2y^2+43x+43y=174 & x^2+y^2+5x+5y=30. Find the largest possible value of |xy|.
  73. Math 8th Grade

    I have a bunch of nickels and quarters worth $7.85 in my [pocket. How do I write a system of equation to solve and determine how many of each coin I have!!
  74. P.E

    A physician who treats disorders of the nervous system is a A. Psychiatric social worker B. Neuroligist C. Psych neruologist D. Clinical psychologist Is the answer B?
  75. physics

    a point mass of 12.5 kg is hung from an 18.3 m long rope and swings back and forth with an amplitude of 2.34m. what is the oscillation period for the pendulum system?
  76. college

    When a hurricane or flood or a pandemic strikes a country, who is most likely to respond first? Which economic system is the best solution for handling a crisis of epic proportion?
  77. math

    The real numbers x and y satisfy the nonlinear system of equations {2x^2 − 6xy + 2y^2+ 43x + 43y = 174 x^2 + y^2 + 5x + 5y = 30. Find the largest possible value of |xy|.
  78. biology

    in order for scientific research to be universally understood,scientists report measurements in the ________________,a modern form of the metric system.
  79. anthropology

    I look there and I can not found this answer. I been reading.As an anthropologist you are interested in the dynamics of a Matrilineal society. What characteristics would you identify as unique within this kinship system from your own
  80. geometry

    A pyramid has a square base with sides length of b. The height of the pyramid is h. If the pyramid is enlarged by doubling the height while leaving the base unchanged, what is the effect on the volume of the pyramid? Will the volume triple? These are my choices: a.The volume ...
  81. Science

    A substance has melting point of 0 Celius and a boiling point of 100 Celius. The substance is most likely * water * hydrogen * gold * table salt
  82. Calculus 1

    Consider the function below. f(x)= (x^2)/((x-4)^2) Find the interval where the function is concave up. (Enter your answer using interval notation.) Find the intervals where the function is concave down. (Enter your answers using interval notation.) For interval where the ...
  83. Statistics

    The time required to make 900 gallons of synthetic rubber at a plant in South America in a recent year was normally distributed with a mean of 15 hours and a standard deviation of 2.5 hours. What is the probability that it will take more than 17 hours to make 900 gallons of ...
  84. chem

    Benzaldehyde, C6H5CHO}, has a normal boiling point of 179.0 C and a critical point at 422 C and 45.9 atm. Using a phase diagram, estimate its vapor pressure at 125 Degrees I'm directing it up again to Dr. Bob. (or anyone else who can help) **** If the boiling point (179) is at...
  85. Math (Calculus II) (Weird Work Problem Setup Help)

    I am trying to understand my teacher's example of a Work problem. Cut to the chase here's a picture of the problem: goo.gl/photos/AqZ6ENmHLg6heixD7 While I understand how to integrate fairly well, I'm still confused on how exactly my teacher set up the work problem. Since work...
  86. Sociology

    Could someone please let me know if I answered the questions correctly. Thank you. 1) According to Émile Durkheim, religion is: (My choice is a unified system of beliefs and practices relative to sacred things).=D a) a unified system of beliefs and practices related to ...
  87. Physics

    A car is speeding at 33.4 m/s. A police car starts in pursuit from rest when the car is 100 m past the cruiser. At what rate must the cruiser accelerate to catch the speeder before the state line, 1.2 km away from the speeding car? Include all steps if possible please, so that...
  88. Physics Concept

    2 cars are moving in same direction in parallel lanes along a highway. At some instant velocity of car A exceeds car A exceeds the velocity of car B. Does that mean that the acceleration of A is greater than car B? Explain. ~Well I would say yes but is it b/c of the equation ...
  89. Physics

    17. A 5.6 kg toy race car moves along an x axis. The diagram below shows the force acting on the car. (The vertical axis is marked in increments of 2 N.) a) What is the momentum of the car at t = 9.0 s b) What is the car's velocity at t = 9.0 s? The graph has the following ...
  90. organic chemistry

    This is for a phase catalysis lab experiment 1. How is the phase transfer catalyst removed from the product? I said, by washing it with salt. 2. what purpose does washing with 15% (half-saturated) NaCl solution serve? I said, to remove bulk of water 3. There is a slight excess...
  91. chemistry

    ionic componuds tend to have higher boiling points than covalent compounds . both ammonia NH3 and methane CH4 are covalent compounds but yet the boiling point of ammonia 130C is higher than methane. what might account for this difference please help thank you
  92. physics

    Two cars have a head-on collision.Both were traveling at 37 m/s toward each other.Car A has a mass of 432 KG.Car B has a mass of 90 KG. After impact,car A is moving backward at 3 m/s. What car B's velocity after impact?
  93. Physics

    Car A passes a light post moving at 25m/s and continues at this speed. Two seconds later, another car passes the light post moving at 40m/s. Assuming no acceleration of either car. a)How much time will it take for the second car to catch up with the first car? b)How far from ...
  94. Science study skills

    What is the importance of questioning in the SQ3R system? 1.) Questioning helps you read the material quickly. 2.) Questioning keeps your brian actively trying to find answers while you are reading. 3.) Questioning helps you identify questions that will be on the test. 4.) ...
  95. Physics

    Two equal-volume compartments of a box are joined by a thin wall as shown in the figure. The left compartment is filled with 0.050 mole of helium gas at 403 K, and the right compartment contains 0.025 mole of helium gas at 213 K. The right compartment also has a piston to ...
  96. statistic

    Jim has a 5-year-old car in reasonably good condition. He wants to take out a $30,000 term (that is, accident benefit) car insurance policy until the car is 10 years old. Assume that the probability of a car having an accident in the year in which it is x years old is as ...
  97. Fluid Mechanics

    An ideal mixing (total volume inlet = total volume outlet) of two incompressible fluids which is between water and methanol (SG =0.85) is coming from two inlets. At inlet 1, water enter at 9 m/s and at inlet 2, methanol enter at 7 m/s. The diameter of inlet 1 and 2 is 4 cm and...
  98. BOBPURSLEY or anyone

    h t t p : / / w w w . j i s k h a .c o m / d i s p l a y . c g i ? i d = 1 25 2 8 8 8 9 2 9 ok hmmm m2 g = m1 (acceleration radial) so then if this is the correct equation my question... is how do you know when to consider the masses as a system and when not to? net force = ...
  99. Science

    Processing Information 1. Which of the following sets of terms could be used in a description of the peripheral nervous system? :Motor neuron, interneuron, sensory neuron.*** :Brain, sensory neuron, myelin. :Interneuron, spinal cord, autonomic. :Somatic, brain, spinal cord. 2...
  100. pre algebra¢¾

    julian owns an ice cream parlor. for pricing purposes he need to kno how much ice cream a waffle cone holds. the cone is 5 1/2 inches deep and has a diamete of 3 inches. whatis the volume of the waffle come..round to the nearest tenth is neccesary
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