pat

Most popular questions and responses by pat
  1. Chemistry

    A cyclopropane-oxygen mixture is used as an anesthetic. If the partial pressure of cyclopropane in the mixture is 334 mmHg and the partial pressure of the oxygen is 1.02 atm, what is the total pressure of the mixture in torr?

    asked on October 30, 2010
  2. Physics

    A 5.0 µC point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the electric potential difference before and after the charge was moved? Show work. (µC = 1.0 × 10–6 Vq=energy so delta V must be 10

    asked on May 19, 2012
  3. Physics

    Explain why a rapidly spinning gyroscope, mounted in a frame that allows it to rotate in any direction independently of the frame’s rotation, tends to maintain its axis pointed in the same direction in space.

    asked on January 27, 2012
  4. Physics

    You have a 2.00 kg block of lead. Lead melts at 327.5°C. CPb = 130.0 , and Hf for lead is 2.04 × 104 J/kg. Say you start at room temperature (25.0°C). How much heat must you transfer to melt all the lead?

    asked on March 18, 2012
  5. Physics

    A man weighing 700 N lifts a 50.0 N object 2.0 m high. He uses a lever and with a force of 10.0 N. What is the resistance force

    asked on February 7, 2012
  6. Physics

    A 14 kg rock starting from rest free falls through a distance of 5.0 m with no air resistance. Find the momentum change of the rock caused by its fall and the resulting change in the magnitude of earth’s velocity. Earth’s mass is 6.0 × 1024 kg. Show

    asked on January 27, 2012
  7. Physics

    Cheryl runs a race on a 400.0 m circular track. She starts running east of the starting line and then circles the track and falls, stopping 1.00 m west of the starting line. Her time is 80.0 s. What was her average velocity? I know the correct answer is

    asked on January 9, 2012
  8. Chemistry 2

    A mixture containing KCLO3, K2CO3, KHCO3, and KCL was heated, producing CO2, O2, and H2O (water) gases according following equations: 2KCLO3 -> 2KCL + O2 2KHCO3 -> K2O + H2O + 2CO2 2CO3 -> K2O + CO2 The KCL does not reacnder the conditions of the reaction.

    asked on September 13, 2007
  9. History

    Which of the following was formally amended to the constitution a. equality of rights for women b. prohibition of alcoholic beverages c. prohibition of child labor d. balanced federal budget I know that the 19th amendment is woman suffrage, but the 18th

    asked on January 20, 2007
  10. Art History

    In the Doric order, which of the following are alternating panels in the frieze, which are sometimes sculpted? A. Metopes B. Triglyphs C. Palmettes D. Volutes My textbook says it's A and B. So I am really confused on this one.

    asked on November 14, 2014
  11. chemistry

    calculate the mass, in grams, of NaCl present in each of the following solutions. 6.25 g of 11.5% NaCl solution 452 g of 12.3% NaCl solution please show me how to do these. Thanks.

    asked on April 29, 2011
  12. math

    2. Suppose you obtain a $3,000 T-note with a 3% annual rate, paid quarterly, with maturity in 5 years. How much interest will you earn?

    asked on July 21, 2015
  13. PHYSICS

    1. A 500.0 g metal block absorbs 1.125 × 104 J of heat to raise its temperature by 50.0 K. What is the substance?

    asked on June 5, 2012
  14. American Constitutional Law

    Which of the following best describes the relationship between the federal government and state militias? A. The militias are independent state entities over which the federal government has no authority. B. The militias are federal entities over which the

    asked on August 23, 2014
  15. Criminal Justice/Writing Search Warrants

    When writing the description for the property you are going to search for, the description must be detailed: A. so the average person can distinguish among similar objects in the search. B. so that only the magistrate and investigator can discern the

    asked on November 1, 2014
  16. Criminal Justice/White Collar Crime

    An authorized program planted on a computer is known as a(n): A. Trojan Horse. B. Achilles Heel. C. Sword of Damocles. D. Cyclops Eye. My textbook only mentions an "unauthorized program" which is a Trojan Horse. But I looked on line and I think it may be

    asked on September 26, 2015
  17. Chemistry

    Consider the reaction: 2CO(g) + O2(g) equilibrium 2CO2 (g) Write the equilibrium expression for this reaction. Keq = ?? Addition of a catalyst to this reaction would have what effect on the equilbrium? Addition of a catalyst to this reaction would have

    asked on June 2, 2013
  18. Physics

    each resistor in the circuit shown is 5.0 Ù, and the battery is 12.0 V, what does the second ammeter (A2) read?

    asked on May 24, 2012
  19. Physics

    The strength of an electric field at 5.0 cm from a point charge is 100.0 N/C. What is the magnitude of the source charge? Show work so I understand how to do it.

    asked on May 19, 2012
  20. Physics

    3. A 0.200 kg air-track glider moving at 1.20 m/s bumps into a 0.600 kg glider at rest. a.) Find the total kinetic energy after collision if the collision is elastic. .144J I got that one. b.) Find the total kinetic energy after collision if the collision

    asked on February 28, 2012
  21. Physics

    the engineer of a passenger train traveling at 25.0 m/s sights a freight train whose caboose is 200m ahead on the same track. The freight train is traveling at 15.0 m/s in the same direction as the passenger train. The engineer of the passenger train

    asked on July 21, 2010
  22. Physics

    Compute the angular momentum of the earth arising from the following motions. (a) Earth's orbital motion around the sun. (b) Earth's rotation on its axis.

    asked on October 22, 2012
  23. physics

    The 80kg student balances a 1300kg elephant on a hydraulic lift. (U-Tube) What is the diameter of the piston the student is standing on? When a second student joins the first, the height difference between the liquid levels in the right and left pistons is

    asked on January 19, 2015
  24. Calculus

    two sides of triangle are 10m and 19m and the angle between them is increasing at a rate of 2 degrees per minute. How fast is the third side changing when the angle between them is 60 degrees

    asked on June 20, 2015
  25. MAT201-Basic Statistics

    A dealership sold 15 cars last month. The purchase price of the cars, rounded to the nearest thousand, is represented in the table Purchase Price/# of cars sold $15,000 3 $20,000 4 $23,000 5 $25,000 2 $45,000 1 A.Find the mean and median B. Which measures

    asked on November 24, 2014
  26. Chem 2

    A mixture containing KCLO3, K2CO3, KHCO3, and KCL was heated, producing CO2, O2, and H2O (water) gases according to the following equations: 2KCLO3 -> 2KCL + O2 2KHCO3 -> K2O + H2O + 2CO2 K2CO3 -> K2O + CO2 The KCL does not reacnder the conditions of the

    asked on September 13, 2007
  27. Physics

    A 70.50 kg man rides a Ferris wheel with a radius of 10.3 m at a velocity of 5.00 m/s. What is the centripetal force that she experiences expressed with the correct number of significant figures?

    asked on January 8, 2012
  28. Physics

    A 500.0 g metal block absorbs 3.25 × 103 J of heat to raise its temperature by 50.0 K. What is the substance? Please show steps because I have several problems like this and then I can see where I am goibg wrong

    asked on March 12, 2012
  29. physics

    current through a device is 0.30 A, and the resistance in the device is 40 Ù. How many 1.5 V batteries are required to run the device

    asked on May 24, 2012
  30. personal finance

    Hal Thomas wants to establish a savings fund from which a community organization could draw $800 a year for 20 years. If the account earns 3 percent, what amount would he have to deposit now to achieve this goal? (Round time value factors to 3 decimal

    asked on February 6, 2015
  31. Algebra

    Two hikers are 22 miles apart and walking toward each other. They meet in 5 hours. Find the rate of each hiker if one hiker walks 2.2 mph faster than the other.

    asked on February 24, 2017
  32. physics

    A 23- bullet traveling 230 penetrates a 3.6 block of wood and emerges cleanly at 170 . If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges?

    asked on October 14, 2011
  33. Criminal Justice/Judicial System

    The __________ is/are the federal trial court(s) and is/are the "entry point" into the federal judicial system. A. U.S. Supreme Court B. circuit courts C. district courts D. court of appeals I think it's C., but not sure.

    asked on February 2, 2015
  34. Physics

    You drive your car 2 km to the gas station, 4 km to the shopping mall to let your mother off, and 4.5 km back home. The trip takes 20 min. What is your velocity in m/s?

    asked on January 9, 2012
  35. Criminal Justice/White Collar Crime

    Bounty hunters in the medical fraud area are: 1 A. people who use strong-arm tactics to collect bills that are not owed. B. doctors who receive a fee for a articular diagnosis. C. facilities that specialize in the patients who are most seriously ill. D.

    asked on September 26, 2015
  36. physical science

    A rocket blasts off. In 10.0 seconds it is at 10,000 ft, traveling at 3600 mph. Assuming the direction is up, calculate the acceleration. 5280 ft/sec2 528 ft/sec2 100 ft/sec2 100. ft/sec2

    asked on June 27, 2011
  37. Ethics in Criminal Justice

    Which of the following frameworks would be most likely to justify convicting an innocent person? A. Virtue ethics B. Utilitarianism C. Kantain ethics D. Natural law I think it's A, but not 100% sure.

    asked on May 15, 2014
  38. algebra

    A pharmacist has 40% and 60% iodine solutions on hand. How many liters of each iodine solution will be required to produce 6 liters of 50% iodine mixture?

    asked on November 6, 2018
  39. Math

    A spinner is divided into 20 equal sections and are numbered 1 through 20. What is the probability of the spinner's pointer landing on section 5?

    asked on May 5, 2012
  40. Physics

    A 44 kg child jumps off a 2.2 kg skateboard that was moving at 8.0 m/s. The skateboard comes to a stop as a result. Find the speed at which the child jumped from the board. Show all your work. Assume a frictionless, closed system.

    asked on January 27, 2012
  41. math

    A box contained fruits such as apples, oranges and pears. 3/5 of the fruits were apples. 1/4 of the remaining fruits were oranges and the rest were pears. If there were 60 pears in the box, how many oranges were there?

    asked on April 3, 2016
  42. chem

    Two hundred grams of a substance requires 0.52 kJ of heat to raise its temperature from 25°C to 45°C. q = mCT. Mass (m) is in grams. Temperature is in degrees Celsius.

    asked on May 17, 2011
  43. physics

    ab elevator (mass 4850kg) is to be designed so that the maximum acceleration is .0680g. what are the maximum and minimum forces the motor should exert on the supporting cable? i know the answers but don't know how to come up with the work! (5.08*10^4N and

    asked on October 1, 2006
  44. American Constitutional Law

    Please help with these two questions: The power of judicial review extends to __________ action. A. congressional B. executive C. state D. All of the above I SAY D. A judge who follows an interpretive approach that focuses on the precise meaning of the

    asked on August 17, 2014
  45. Physics

    A ball is thrown horizontally from a platform so that the initial height of the ball is 6.0 m above the level ground below. The ball lands 24 m from its original horizontal location. Find how fast the ball was thrown. Show work i just don't understand

    asked on January 11, 2012
  46. chemistry

    A hexane solution contains as impurities 5.2% (by mass) hepatne and 2.9% (by mass) pentane. Calculate the mass of each component present in 93g of the solution.

    asked on April 17, 2011
  47. Criminal Justice/White Collar Crime

    Actions by the government that contributed to the collapse of the savings and loan industry included all of the following EXCEPT: A. increasing down payment requirements. B. commercial real estate loans. C. permitting money market mutual funds. D.

    asked on September 20, 2015
  48. Ethics in Criminal Justice

    Which of the following comes closest to what Aristotle regarded as the highest human good? A. Pleasure B. Avoidance of Pain C. Flourishing D. Prosperity My book mentions flourishing and eudaimonia (which means prosperty). So I am torn between the two.

    asked on May 15, 2014
  49. physics 2

    A reservoir dam holds an 8 km2 lake behind it. Just behind the dam, the lake is 14.0m deep. What is the gauge pressure at the base of the dam (in Pascals)? What is the absolute pressure at a point 2.5 m down from the surface? Assume the pressure at the

    asked on June 20, 2016
  50. physics

    A wire loop has an area of 0.12 m2, and the magnetic field through it increases from 0 to 0.20 T in 0.30 s. What is the induced emf in the loop?

    asked on May 27, 2012
  51. 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.

    asked on February 16, 2015
  52. Statistics

    When conducting an inferential statistical analysis, and applying a conventional "critical p-value" of .05, the odds of making a Type I Error and "rejecting a true Null Hypothesis" is? A. 1 in 30 B. 1 in 100 C. 1 in 20 D. 1 in 10

    asked on September 2, 2012
  53. physics

    A boy drops a 0.10 kg stone down a 150 m well and listens for the echo. The air temperature is 20°C. How long after the stone is dropped will the boy hear the echo? The speed of sound through air at 20°C is v = 343 m/s.

    asked on May 21, 2012
  54. Chemistry

    Which of the following can be amphoteric? A) Cl¯ B) H3O+ C) HPO4¯ D) PO4¯³ E) HCl

    asked on February 8, 2011
  55. American Constutional Law

    Which right is NOT explicitly mentioned in the Bill of Rights? A. Right to privacy B. Right to bear arms C. Right to due process D. Right to grand jury indictment in capital cases I am confused on this one. They are all mentioned, but it says "right to

    asked on August 31, 2014
  56. Physics

    A flywheel turning at 1200 rev/min (125.7 rad/s) constant angular velocity has a radius of 2.5 cm. As it turns, a string is to be wound onto its rim. How long is the string if it is wound up in 10 seconds? It says the answer is 31.4m, but I don't know the

    asked on March 14, 2018
  57. Criminal Justice/Report Writing

    What is a common mistake most investigators make in the interview? A. They do not give the interviewee enough time to answer a question before asking another one. B. They break for lunch too early. C. They let an interviewee talk without interruption,

    asked on November 1, 2014
  58. Physics

    A football player punts the football so that it will have a hang time of 4.5s and land 46m away. If the ball leaves the player's foot 1.5m above the ground, what must be (a) the magnitude and (b) angle (relative to the horizontal) of the ball's initial

    asked on June 28, 2010
  59. Physics

    The minimum frequency for the photoelectric effect of a zinc plate is 9.7 × 1014 Hz. What will be the kinetic energy of an ejected electron when a photon with a wavelength 200 nm (2.00 × 10 7 m) strikes it?

    asked on May 27, 2012
  60. Physics

    A 0.300-kg ice puck, moving east with a speed of 5.86m/s , has a head-on collision with a 0.990-kg puck initially at rest. Assume that the collision is perfectly elastic. What is the speed of the 0.300-kg puck after the collision? What ise the speed of the

    asked on October 10, 2014
  61. Chemistry

    When a mixture of sulfur and metallic silver is heated, silver sulfide is produced. What mass of silver sulfide is produced from a mixture of 3.0 g Ag and 3.0 g S8? 16 Ag(s) + S8(s) > 8Ag2S(s)

    asked on May 6, 2012
  62. Chem

    4.0 gram of ferrous ammonium sulphate, FeSO4*(NH4)2SO4 * 6H2O, is used. Since the oxalate is in excess , Calculate the theoretical yield of the iron complex. FeSO4•NH4)2SO4•6H2O + H2C2O4•2H20 --> FeC2O4 + (NH4)2SO4 + H2SO4 + 8H2O 6FeC2O4 + 3H2O2 +

    asked on November 24, 2010
  63. Chem

    What is the change in enthalpy when 250 g of steam condenses at 100oC? (Hv = 40.67 kJ/mol)

    asked on May 17, 2011
  64. trig

    In triangle XYZ, angle X = 90°, angle Y = 38°, and z = 4'5". Find y

    asked on May 20, 2011
  65. 3re grade math

    i need help on this problem. 132,164,569 round to the nearest million? 179,323,175 round to the nearest million? thanks!

    asked on January 14, 2010
  66. math

    Can you each make up an example in which "Some A are not B" is true, but the statement "Some B are not A" is false? An example would be "Some dogs are not poodles" is true but "Some poodles are not dogs" is false

    asked on September 9, 2012
  67. Physics

    A ball is thrown horizontally from a platform so that the initial height of the ball is 6.0 m above the level ground below. The ball lands 24 m from its original horizontal location. Find how fast the ball was thrown. Show work i just don't understand

    asked on January 11, 2012
  68. Statistics

    Parametric procedures of quantitative analysis make an underlying assumption that...? A. Dichotomous variables have been "smoothed" B. The variables are measured at least at an ordinal level. C. All responses are measured in a mutually exclusive manner D.

    asked on September 2, 2012
  69. math

    A street light is at the top of a 15 ft pole. A 5 ft tall girl walks along a straight path away from the pole with a speed of 5 ft/sec. (A)At what rate is the tip of her shadow moving away from the light (ie. away from the top of the pole) when the girl is

    asked on November 3, 2015
  70. physics

    a metal wire 1.0 mm in diameter and 2.0 m long hangs vertically with a 5.0 kg mass suspended from it. if the wire stretches 1.2 mm under the tension, what is the value of the young's modulus for metal?

    asked on January 10, 2011
  71. Criminal Justice/Domestic Violence

    Unlike battering, __________ is when both people in the battering relationship are equally responsible as perpetrator and victim. A. shared abuse B. reciprocal abuse C. mutual abuse D. double abuse I think it's A, but not sure

    asked on May 15, 2015
  72. Physics

    A 5.0 µC point charge is moved within an electric field and has an electric potential energy change of 10.0 J. What is the electric potential difference before and after the charge was moved? Show work. (µC = 1.0 × 10–6 C)

    asked on May 19, 2012
  73. SCIENCE

    Please see if I have the right answer. The three atoms in a water molecule are held together by oxygen bonds, covalent bond, surface tension, hydrogen bonds, or gravity. I think it's covalent bonds. Am I right? Water molecules, even inflowing water, can

    asked on December 8, 2006
  74. Algebra

    Hi sorry i don't know if there's a reply function in this website (there should be). So for the info, it's: -Item: $5800 -Down payment: $600 -Finance charge: 7% -12 months to pay -Not sure if compound interest but I'd assume if that's how installments

    asked on April 11, 2019
  75. Criminal Justice/Domestic Violence

    Researchers recommend that future responses to intimate partner violence should include all of the following EXCEPT: A. assessing children who directly witness intimate partner violence to determine if psychological treatment is needed. B. testing

    asked on May 16, 2015
  76. Physics

    Summarize two observations that are contrary to the predictions based on Newton’s laws but that confirm Einstein’s explanation of gravity. Indicate how the predictions based on Newton’s theory differ from Einstein’s.

    asked on January 11, 2012
  77. math

    If an arrow is shot straight upward on the moon with a velocity of 73 m/s, its height (in meters) after t seconds is given by s(t) = 73 t - 0.83 t^2. (A) What is the velocity of the arrow (include units) after 5 seconds? (B) How long will it take for the

    asked on November 3, 2015
  78. MAT201 Basic Statistics

    A dealership sold 15 cars last month. The purchase price of the cars, rounded to the nearest thousand, is represented in the table Purchase Price/# of cars sold $15,000

    asked on November 24, 2014
  79. American Constitutional Law

    A president is: A. absolutely immune from suit for executive functions. B. presumptively immune from suit for executive functions. C. not immune from suit whatsoever. D. only immune to the degree granted by Congress. I am stuck on this one between A & B

    asked on August 23, 2014
  80. Physics

    A 6.0 kg block of ice rests on a surface that is tilted by = 12°. Find the acceleration of the block ignoring any friction.

    asked on January 11, 2012
  81. Art History

    Which is the inspiration for the Farnese ceiling? A. Michelangelo’s Sistine Ceiling B. Bernini’s Cornaro Chapel C. Gaulli’s frescoes in Il Gesu D. Mantegna’s Camera Picta I think it's A, but not certain

    asked on November 22, 2014
  82. Statistics

    A study was conducted in order to estimate u, the mean number of weekly hours that U.S. adults use computers at home. Suppose a random sample of 81 U.S. adults give a mean weekly computer usage time of 8.5 hours and that from prior studies , the population

    asked on June 25, 2012
  83. Physics

    A bicyclist is coasting down a road that is sloped downward at an angle of 8°. The bicycle and bicyclist have a total mass of 80 kg. If the bicycle wheels roll freely, without any effect from friction or air resistance slowing the motion, how fast would

    asked on November 3, 2011
  84. math2

    Solve the problem. You traveled 189 miles on 7 gallons of gasoline. At this rate, how many gallons of gasoline would you need to travel 297 miles?

    asked on March 11, 2010
  85. Precalculus

    How to simplify by factoring (x^3-1)/(x-1)? I tried (x^2)(x-1)/(x-1), then (x+1)(x-1)(x+1)/(x-1).

    asked on June 17, 2019
  86. Criminal Justice/White Collar Crime

    Certain industries are distinguished by means and opportunities that are conducive to crime. These factors include all of the following EXCEPT: A. large amounts of money changing hands. B. individual decision-making. C. public attention on business

    asked on October 3, 2015
  87. Art History

    According to Robert Venturi, what is wrong with the International Style of architecture? A. It is too heterogeneous. B. It is too complex. C. It is too contradictory. D. It is too inflexible. My textbook says is A, B, and C. So I am totally confused

    asked on November 29, 2014
  88. Art History

    Which civilization had the most fortifications? A. Cycladic B. Minoan C. Mycenaean D. Harappan I think it's C.

    asked on November 14, 2014
  89. calculus-max & min

    an open box with a square base is to be constructed from 48 square inches of material. What dimensions will produce a box with maximum volume?

    asked on January 31, 2013
  90. statistics

    A "Set" within quantitative theory represents ...?

    asked on August 30, 2012
  91. Math

    How many times in a 12 hour period does the sum of the digits on a digital clock equal 6? (For example. 1:32 = 1+3+2 = 6

    asked on February 23, 2018
  92. Criminal Justice/White Collar Crime

    Like other criminogenic cultures, the savings and loan industry placed a heavy emphasis on: A. presence of organized crime interests. B. intricate government regulations. C. reduced competition. D. profit. I think it's D, but not sure

    asked on September 20, 2015
  93. American Constitutional Law

    The final authority to determine the winner of a closely contested election in the House of Representatives is determined by the: A. Supreme Court B. State where election was held C. Senate D. House of Representatives I am stumped on this one. My textbook

    asked on August 20, 2014
  94. Statistics

    In conducting multiple regression analyses (MRAs), a major technical concern involves any high correlation of predictor (regressor) variables included in the model. The term for this is ....? A. Redundant predictors B. Close "knit" IVs C. Multicollinearity

    asked on September 2, 2012
  95. Criminal Justice/White Collar Crime

    A gift becomes a bribe when: A. it is requested. B. there is a quid pro quo. C. the amount exceeds the salary of the elected official. D. it is freely given. I think it's C, but not sure.

    asked on September 20, 2015
  96. DAU-Developing the Program Budget Module Exam

    Your program has a research and development project scheduled to start in January 2004 which is expected to take 40 months to complete. The project is expected to cost a total of $150 million (then-year dollars), with cost expected to be incurred as

    asked on August 19, 2014
  97. PHYSICS

    A coil with an area of 0.10 m2 is in a magnetic field of 0.20 T perpendicular to its area. It is flipped through 180° so that the part that was up is down. The flip takes 1.0 s. Estimate the average induced emf between the ends of the coil while it is

    asked on May 27, 2012
  98. Algebra

    you deposit 3500 in an account that pays 4.5% annual interest, compounded monthly. How long will it take for the balance to reach 5000? Use formula A= P[1+(r/n)]^(ny) and use knowledge of logarithms.

    asked on August 7, 2013
  99. Statistics

    A conservative correction method for inflated "Alpha values" based on multiple comparisons being carried out independently on a specific data set, is known as...? A. Ad Hoc Testing B. Tukey's honestly significan differences (HSD) C. Post Hoc testing D.

    asked on September 2, 2012
  100. Chemistry

    The dosage of technetium-99m for a lung scan is 20 μCi/kg of body weight: Suppose a person absorbed 52mrads of alpha radiation. What would be the dose equivalent in mrems?

    asked on December 6, 2013

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