Questions Asked on
November 2, 2013

  1. Chemistry (Dr.Bob222)

    The generic equation: Base− + H2O -> HBase+ OH− can be used to account for the pH of which salt? 1)CaI2 2)NH3 3)KCN 4)Al(NO3)3 5)NaCl Ok, so I know NH3, won't work because it is not a salt. The answer is KCN, but I don't understand why, could you

    asked by K
  2. Chemistry

    A mineral sample is analyzed for its cobalt and calcium content. A sample is dissolved, and then the cobalt and calcium are precipitated as Co(OH)2(s) and Ca(OH)2(s). At what pH can Co(OH)2(s) be separated from Ca(OH)2(s) at 25 °C? Assume that an

    asked by DC
  3. Thinking Mathematically - Geometry

    A rocket ascends vertically after being launched from a location that is midway between two ground-based tracking stations. When the rocket reaches an altitude of 4 kilometers, it is 5 kilometers from each of the tracking stations. Assuming that this is a

    asked by Anonymous
  4. cal

    A conical tank (with vertex down) is 12 feet across the top and 18 feet deep. If water is flowing into the tank at a rate of 18 cubic feet per minute, find the rate of change of the depth of the water when the water is 10 feet deep. I got 81/200pi ft/min.

    asked by tony
  5. Biochem

    The Na –glucose symport system of intestinal epithelial cells couples the \"downhill\" transport of two Na ions into the cell to the \"uphill\" transport of glucose, pumping glucose into the cell against its concentration gradient. If the Na

    asked by MIaow
  6. Statistics

    A bank is testing a new method for getting delinquent customers to pay their past-due credit card bills. The standard way was to send a letter (costing about $0.45) asking the customer to pay. That worked 30% of the time. The bank wants to test a new

    asked by Penny
  7. Fitness & Nutrition

    16. How does regular exercise help to reduce the effects of mental stress? A. Regular exercise gets you away from the home or office and away from stress. B. Regular exercise has been shown to reduce the physical effects of stress. C. Regular exercise

    asked by Cassie
  8. Science - Physics, I need help with both please.

    A 57.0 kg diver dives from a height of 15.0 m. She reaches a speed of 14.0 m/s just before entering the water. What was the average force of air resistance (e.g., friction) acting on the diver? Bonus: What is the force of friction underwater if she reaches

    asked by Jason
  9. Math

    The sum of the first nth term of a geometric progression is 127 and the sum of their reciprocal is 127/64. The first term is 1. Find n and the common ratio.

    asked by Adigun
  10. Math

    A faulty odometer (mile indicator) on a car registers 6 miles for every 5 miles travelled. A t the start of a journey it reads 500 miles and at the end of the journey it read 560 miles. What distance has actually been covered?

    asked by Frank
  11. Accounting

    Genentech, Inc. is a California-based biotech pioneer recently acquired by Swiss pharmaceutical giant Roche Holding AG. Roche paid $46.8 billion in cash for the 44 percent of Genentech it did not already own, implying a market value of over $100 billion

    asked by Joy
  12. Physics

    Sue and Jenny kick a soccer ball at exactly the same time. Sue’s foot exerts a force of 49.9 N to the north. Jenny’s foot exerts a force of 119.7 N to the east. a) What is the magnitude of the resultant force on the ball? Answer in units of N b) What

    asked by Katrina
  13. Chemistry

    At STP 4 liters of O2 contains the same total number of molecules as 1L of NH3 2L of Cl2 8L of He 4L of CO2

    asked by Kiki
  14. English

    Who is Bill's favorite writer? 1. It is Arthur Conan Doyle. 2. He is Arthur Conan Doyle. 3. Arthur Conan Doyle is. 4. Arthur Conan Doyle is his favorite writer. 5. Arthur Conan Doyle is his favorite. (Which expressions are grammatical and commonly used?)

    asked by rfvv
  15. Health (Ms. Sue)

    1. Explain the relationship between the key terms in each of the following pairs. a. wake and memorial service b. distress and eustress A: a. A wake and memorial service are both ceremonies in which enable family and friends to unite and gives them an

    asked by Anonymous
  16. Physics

    Rain is falling vertically down on a car moving at 11 m/s. Tracks made by the raindrops on the side window of the car are inclined at 55 degrees with the vertical. Find the speed of the raindrop relative to the ground.

    asked by Tsunayoshi
  17. Math

    Charlotte is training for a marathon. Right now she is 21km from home. She is running toward home at a rate of 10 km per hour.(Let x=time(in hours); y=distance from home (in km).) [lHint: Charlottle's distance from home is decreasing.]

    asked by Rayray
  18. Health (Ms. Sue)

    1. Explain how being around people who drink alcohol and use drugs can put you at risk for sexual assault. A: ? 2. What are three ways you can protect yourself from sexual abuse and violence? A: You can protect yourself from sexual abuse and violence by

    asked by Anonymous
  19. abnormal psychology

    Is this true or false Behavioral medicine and health psychology are concerned with reducing the stress of illness but not necessarily preventing the stress.

    asked by jazz
  20. PHYSICS

    A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 -eV electron moving along the negative x axis is

    asked by bad at physics
  21. history

    What was the connection between type of economy and support of the Constitution? 1 Merchants with foreign trade partners typically opposed the Constitution, while property holders supported strong national powers at the federal level. 2Semisubsistence

    asked by ki
  22. math

    Hello, I'd like to know how in developing, factoring or simplifying, we can move from: goo.gl/zZdzSs ACDE are strictly positive real constants. I is an imaginary number.

    asked by Karl
  23. Chemistry

    How many grams of NaCl are contained in 500ml of normal saline solution which is 0.85%(w/v).

    asked by Adigun
  24. physics(help!!!!!!!!!!!)

    A small ball of mass m=0.60 kg hangs from a massless string of length l=0.9 m. The ball travels in a vertical circle and its speed at the bottom is v0=6.0 m/s (see figure). Neglect all friction and air drag, and use g=10m/s^2 for the gravitational

    asked by Anonymous
  25. FINANCIAL MANAGEMENT

    An interest rate( is it variable-relevant or fixed irrelevant for year 1,2,3,4?) of 11.5%, from a 4 years loan to buy a machine( will last 5 years) on the last day of the company'previous financial year , should it be allocated in a Project Financial Data

    asked by Doria
  26. obituary writing

    I just need one more proofread.. My question is when two people have the same last name, how would you attribute them.. IE Tom and John Hoyer.. and if you see any other mistakes feel free to address by any means.. Hoyer died on at the Warner Barry

    asked by Blaze
  27. physics(URGENT!!!!!)

    A meteorite of mass m= 2 ×104 kg is approaching head-on a planet of mass M= 7 ×1029 kg and radius R= 5 ×104 km. Assume that the meteorite is initially at a very large distance from the planet where it has a speed v0= 5 ×102 km/s. Take G= 6.67

    asked by Anonimus
  28. physics(URGENT!!!!!)

    An object of mass m=80 kg moves in one dimension subject to the potential energy U(x)=λ4(x2−a2)2+b2x2.(1) Here we use λ= 1 kg/(m2s2), a= 7 m, and b= -11 kg/s2. (a) How many equilibrium points (stable and unstable ones) does this potential have? n=

    asked by Anonimus
  29. science

    5 facts on how Ultraviolet ray,X-rays and gamma rays are dangerous to and their sources.

    asked by Unknown
  30. music

    this the guy that directed Newbies the same guy who directed High School musical?

    asked by Jenni
  31. algebra

    examples of distant formula

    asked by justme
  32. Statistics

    Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than 63% of adult women favor stricter gun laws. A recent telephone survey of 1026 adult women by IBR

    asked by Motu
  33. Statistics

    Is the p-value to the below question 0.4995? Do you reject or fail to reject the null hypothesis? Politicians are interested in knowing the opinions of their constituents on important issues. One administrative assistant to a senator claims that more than

    asked by Motu
  34. world history

    what did the invention of the telephone by alexander graham bell do for the second industrial revolution?

    asked by yuritzi
  35. Math

    Twenty marbles are in a bag. There are 5 green marbles, 9 blue marbles, and the rest are red. Two marbles are drawn at random without placement. Find the probability that neither is blue

    asked by Elizabeth
  36. Math

    A coin is loaded in such way that a tail is three times as likely to occur as a head. If the coin is flipped twice. Find the probability that two heads occur

    asked by Elizabeth
  37. Math. Please help

    Emory tosses a nickle four times. The probability that he gets at least as many heads as tails is? Explain

    asked by Elizabeth
  38. math

    Hello, i would like to know what is the complex number of : (a*c*d)×(-e*d+i)/(1-e*c*d^2) ACDE are strictly positive real constants. I is an imaginary number. Thanks you a lot for you help.

    asked by Karl
  39. Physics

    An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in

    asked by Phy
  40. chemistry

    Your x-ray lab has a monochromator consisting of a single crystal of nickel cut so that the plane lies in the cube face. At what angle (in degrees) should the cube face be tilted with respect to the incident beam in order to select radiation with a

    asked by pradeep
  41. math

    what whole number comes before 1000000

    asked by kellyann
  42. Health (Ms. Sue)

    1. Describe how loss can cause stress. A: When you experience loss, you can feel the physical and emotional effects of stress. For example, after a loss, you may develop tension headaches or an increase in blood pressure. You may also feel irritable and

    asked by Anonymous
  43. Physics

    An object of mass m=80 kg moves in one dimension subject to the potential energy U(x)=λ/4*(x2−a2)2+(b/2*x2) a) How many equilibrium points (stable and unstable ones) does this potential have? b) Find a stable equilibrium point x0 such that x0 is

    asked by Phy
  44. math

    Hello, I'd like to know how in developing, factoring or simplifying, we can move from: A + ( (1 / ( (1 / ICD) + IED) ) to: ACD *( ( - ED + I ) / (1 - ECD^2 ) ) ACDE are strictly positive real constants. I is an imaginary number. Thanks a lot for your help.

    asked by Karl
  45. math

    what is the place value of each digit. 2 004 560 220

    asked by kellyann
  46. math

    Solve the inequality. 3(3F − 3) > 4F − 5

    asked by Anonymous
  47. Statistics

    The bank sets up an experiment to test the effectiveness of the DVD. The mail it out to a random sample of delinquent customers and keep track of how many actually do contact the bank to arrange payments. The bank's statistician calculates a p-value

    asked by Penny
  48. ????

    the pattern of learning the strongest is called ? A. intelligence activity B. learning modality C. both A & C D. learning style C. both A & C

    asked by xleogirlx
  49. math

    If you multiply a number by four and then subtract negative ten, the difference is negative eighteen. What is the number?

    asked by Anonymous
  50. Physics

    Rain is falling vertically down on a car moving at 11 m/s. Tracks made by the raindrops on the side window of the car are inclined 55 degrees with the vertical. Find the speed of the raindrop relative to the ground.

    asked by Tsunayoshi
  51. Health (Ms. Sue)

    1. Explain the relationship between the key terms in each of the following pairs. a. bullying and violence b. neglect and abuse A: a. Bullying corresponds with violence as it is an act of frightening or controlling another person by using threats or

    asked by Anonymous
  52. Math

    Find the sum of the first 8th of the series 1/2+1/3+2/9+...

    asked by Adigun
  53. q

    whats the point of an ap class

    asked by jim
  54. Math

    1.Which set of numbers are equivalent? A. 3/2 0.32 32% B. 12/5 36/15 2.4 C. 44% 44/100 4.4 D. 3/5 9/15 0.35 B 2. The box contains equivalent values 3 14/40, 335%, 335/100, 3.35, 3 70/200 Which number is equivalent to the values above? A.67/20 B. 3.35% C. 6

    asked by Jerald
  55. check my answer plz

    Lynn’s teacher likes to give lectures and rarely uses the overhead or chalkboard to illustrate her points. Lynn is struggling in this teacher’s class. What is least likely Lynn’s preferred style of learning? A. visual B. musical C. kinesthetic D.

    asked by xleogirlx
  56. Physics

    A boat sails in a direction 60 degrees north of east with a constant acceleration of 1.5 m/s^2, starting from rest. What are its northerly and easterly components of the velocity after 15 seconds?

    asked by Tsunayoshi
  57. Physics (elena) help!!!

    An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in

    asked by Anonymous
  58. economics

    What is the opportunuity cost if you make 15 a hour but you decide not to work for a 1 hour and go to the movie which cost 10 what is the opportunity cost?

    asked by kris
  59. ms sue

    As a visual learner, which of the following study techniques would be the LEAST effective for you? A. Using symbols in your notes. B. Color coding your notes to emphasize different facts. C. Discussing the information with a study partner. D. Using charts,

    asked by xleogirlx
  60. algebra

    In a line with a slope of 1/2 a perpendicular to another line, the the slope of the is -2 true or false

    asked by hannah
  61. Physics

    A toy slides down an inclined plane which makes an angle of 60 degrees with the horizontal. It starts from rest and achieves a final velocity of 8 m/s in 5 seconds at the bottom of the plane. a. What is the acceleration down the plane? b. What is the

    asked by Tsunayoshi
  62. Math

    7. Add 7 1/2+3/4= 1 1/4 8. Divide 3/4 / 2/3= 1 1/8 9. Sam has 4 projects due next Friday. he has completed 1/2 of his English project, 0.25 of his History project, 1/8 of his Science project, and 75% of his Math project. Write the list of these 4 projects

    asked by Jerald
  63. ss01

    A small ball of mass m=0.60 kg hangs from a massless string of length l= 0.8 m. The ball travels in a vertical circle and its speed at the bottom is v0= 5.0 m/s (see figure). Neglect all friction and air drag, and use g=10 m/s2 for the gravitational

    asked by 8.01x
  64. help please-ms sue

    Using color coded index cards as flashcards to study would be most effective for which of the following learning styles? A. Kinesthetic B. Visual C. Both b & c D. Auditory b

    asked by xleogirlx
  65. Chemistry

    I need help with this chemistry flame test lab discussion question. "List the metals used in this lab in increasing order of the energy of the light emitted." We tested BaCl2, CaCl2, CuCl2, FE(NO3)3, KCl, LiCl, NaCl, & Sr(No3)2. I'm not completely sure how

    asked by Elva
  66. Math

    The slope of the line passing through p and q is -3/5. What is the value of x? P(1,4) Q(x,1) I got 6 but Im not sure

    asked by Paula
  67. Physics plz help .

    A meteorite of mass m= 2 ×10^4 kg is approaching head-on a planet of mass M= 6 ×10^29 kg and radius R= 8 ×10^4 km. Assume that the meteorite is initially at a very large distance from the planet where it has a speed v0= 7 ×10^2 km/s. Take G= 6.67

    asked by Shashanoid
  68. Math

    If p^2-q^2=12, and p+q=4 What is the value of p?

    asked by Danny
  69. History 1

    1)What did Solon institute during his reign? 2)Identify the early groups that made up Greek Society?

    asked by Anonymous
  70. Math

    16. Mrs. Hamway is making outfits for the school dance team. She can make 2 1/4 outfits per day. How many days should it take her to make 18 outfits? A. 7 1/2 B. 8 C. 8 1/2 D. 9 C 17. Howard uses 2 /5 of a bag of flour to make a sheet cake. How many bags

    asked by Jerald
  71. SAT math

    The slope of the line passing through p and q is -3/5. What is the value of x? P(1,4) Q(x,1)

    asked by paula
  72. PHYSICS(HELP!!!!!)

    An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in

    asked by Anonymous
  73. physics

    a woman weighs Fg=650 when standing on a stationary scale. The woman is riding an elevator from the 1st floor to the 10th floor. As the elevator approaches the 10th floor, it decreases its upward speed from 9 m/s to 1 m/s in a time interval of 1 second.

    asked by D
  74. Trigonometry

    A jet plane flying 6000 m above the ground passed directly above Ana. one minute later, Ana noticed that the plane's angle of elevation was 18 degrees 34 minutes. What was the horizontal distance covered by the plane?

    asked by Sheena
  75. math

    what whole number comes before 1000000

    asked by kellyann
  76. LEADs

    Hi we're practicing writing news obituaries.. This is my lead.. Can you tell me if it's ok or needs work? John Hoyer Jr., Cook County Board’s first black president, died Friday of complications from debilitating stroke suffered nearly two years earlier.

    asked by Blaze
  77. General

    How do I delete an old question? BEcause of privacy issues

    asked by ANonymous
  78. Chemistry (Dr. Bob222)

    How can you tell if something is highly concentrated or lowly concentrated? For example: H2CO3, H+, HCO3-, CO3(2- charge), is in order of highest concentration to lowest concentration, can you explain why it is that order? Thanks for your help :)

    asked by K
  79. finance

    adams enterprises noncallable bonds currently sell for $1030. they have a 15 year maturity, an annual coupon of $85, and par value of $1000. what is their yeild of maturity? a) 9.53% b) 8.15% c) 8.88% d) 8.55 % e) 7.41%

    asked by Lex
  80. Finance

    P5. A thirty U.S. Treasury bond has a 4.0 percent interest rate. In contrast, a ten-year Treasury bond has an interest rate of 2.5 percent. A maturity risk premium is estimated to be .2 percentage points for the longer maturity bond. Investors expect

    asked by Dee
  81. Maths

    Let V be the volume of the three-dimensional structure bounded by the region 0

    asked by Marlen
  82. Math

    Hello, I'd like to know how in developing, factoring or simplifying, we can move from: A + ( (1 / ( (1 / ICD) + IED) ) to: ACD *( ( - ED + I ) / (1 - ECD^2 ) ) ACDE are strictly positive real constants. I is an imaginary number.

    asked by Karl
  83. Thinking Mathematically - Geometry

    A flagpole has a height of 16 yards. It will be supported by three cables, each of which is attached to the flagpole at a point 4 yards below the top of the pole and attached to the ground at a point that is 9 yards from the base of the pole. Find the

    asked by Anonymous
  84. chemistry

    Consider the reaction between 60.0 mL of liquid ethanol (C2H5OH; density = 0.789 g/mL) and 28.0 L of O2 at 27.0°C and a pressure of 1.51 atm? I am unsure of where to start with this problem...

    asked by Rina
  85. maths

    a triangle has sides of length 7 cm ,15cm and x cm. If x is an interger find (i) the minimum value of x (ii) the maximum value of x

    asked by Virginia
  86. Algebra 2

    f(x) = x^2 + 2 g(x) = 2x^2 - 1 Find the domain of f+g, f-g, fg, and f/g Can someone please explain to me how you would do this problem?

    asked by Serena
  87. chemistry

    Compared to the particles of a gas, the particles of a liquid are not in constant motion collide with the sides of the container, but not with each other do not completely fill their container can move longer distances have more space in between the

    asked by john
  88. Physics

    A man is pulling on a rope with a force of 86 N directed at an angle of 64◦ to the horizontal. What is the x-component of this force? Answer in units of N What is the y-component of this force? Answer in units of N

    asked by Katrina
  89. Maths

    (1)Evaluate 54 base 6 + 305 base 6, give your answer in base 6 (2) evaluate 785 base 9 + 306 base 9 , give your answer in base 9

    asked by Virgie
  90. Thinking Mathematically - Geometry

    A rocket ascends vertically after being launched from a location that is midway between two ground-based tracking stations. When the rocket reaches an altitude of 4 kilometers, it is 5 kilometers from each of the tracking stations. Assuming that this is a

    asked by Anonymous
  91. math

    Please help to solve this equation: x2 − 14x + 42 = 0

    asked by Anonymous
  92. math

    Let x = 2 and y = 4. Find the value of the given capital letter. N = x2 + 2xy + y2 + 1 does N= 37?

    asked by Anonymous
  93. health

    What indicators would warn you that the team that is planning this transition to an electronic health information management system is not functioning well

    asked by Michael
  94. English

    How do you write a good yet funny conclusion for an essay

    asked by Anyonomous
  95. Algebra

    Please help solve what e =? 21E − 7 = 0

    asked by Anonymous
  96. physics(URGENT)

    An airliner makes an emergency landing with its nose wheel locked in a position perpendicular to its normal rolling position. The forces acting to stop the airliner arise from friction due to the wheels and from the breaking effort of the engines in

    asked by anonymous
  97. Physics

    A woman weighs Fg= 600 N when standing on a stationary scale. Now, the woman is riding an elevator from the 1st floor to the 10th floor. As the elevator approaches the 10th floor, it decreases its upward speed from 7 m/s to 1 m/s in a time interval of 1 s.

    asked by Phy
  98. Math

    Evaluate 5a^2b-2ab+b^3 for a=3 and b=-1

    asked by Evy
  99. math

    rick borrows 48,000 the loan will be a 10% add-on loan interest will be charged for 2 full years, rick will repay on monthly basis what will the total amount of interest paid,what will be the monthly amount paid,what is true rate interest paid?

    asked by debbie
  100. Chemisty

    At STP 4 liters of O2 contains the same total number of molecules as 1L of NH3 2L of Cl2 8L of He 4L of CO2

    asked by Kiki
  101. Math

    A 26ft ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 24ft from the base of the building. How high up the wall does the ladder reach?

    asked by Pam
  102. Math

    An architect has allocated a rectangular space of 666ft^2 for a square dining room and a 19ft wide kitchen. Find the width of the square dining room and the length of the entire rectangular space.

    asked by Pam
  103. chemistry

    An ideal gas is in a cylinder with a volume of 5.5 ✕ 102 mL at a temperature of 25°C and a pressure of 710 torr. The gas is compressed to a volume of 29 mL, and the temperature is raised to 810°C. What is the new pressure?

    asked by Anonymous
  104. English

    1. i can be a detective. 2. I could be a detective. 3. Maybe I could be a detective. (What is the difference among them in meaning?)

    asked by rfvv
  105. science

    i need to know about acids and alkalis back in arab times

    asked by jack
  106. algebra 2

    by 10 there are 25 people admitted to a park by 11 there are 50 what would a slope of zero between 2 consecutive hours mean and can the line between 2 consecutive numbers have a negative slope

    asked by hannah
  107. Physics

    A baseball is projected horizontally from the top of a building with an initial speed of 15 m/s. The ball strikes the ground 25 m from the base of the building. a. How long will it be in the air? b. How tall is the building?

    asked by Tsunayoshi
  108. Physics

    A block of mass m=2 kg on a horizontal surface is connected to a spring connected to a wall (see figure). The spring has a spring constant k= 12 N/m. The static friction coefficient between the block and the surface is μs= 0.5 , and the kinetic friction

    asked by Phy
  109. Math

    The product of three numbers in geometric progression is 1, their sum is -2/3. Find the numbers.

    asked by Adigun
  110. SCIENCE (HELP)

    how does the earth’s surface get heated by the sun’s radiation?

    asked by Mary Ann
  111. Physics

    A resting eagle on a tree top finds a rabbit on the ground at a distance of 50 m from the base of the tree. The eagle applies a constant horizontal speed and uses gravity to descend. It catches the rabbit in 2.5 seconds. a. What is the height of the tree

    asked by Tsunayoshi
  112. Math

    3. A study shows that 72% of graduates from local high school attended college. What fraction of the graduates attended college? A.18/25 B.17/25 C.13/25 D.1/2 E.3/8 A 6. The model below represents the equation x+4=4x+2 The first box shows one x and has

    asked by Jerald
  113. science

    The piece of junk mail i found was about the new ipad air What is this piece of mail trying to persuade you to do? Were you at all tempted by the offer? Why or why not? What principles of social psychology does it use to accomplish its goals? How could you

    asked by eid2013
  114. READING

    30-day Money Back Guarantee Our Groom Co. electric shavers come with a 30-day money back guarantee because we are focused on ensuring your satisfaction. The only stipulation is that you use your new shaver exclusively for 2 weeks to become accustomed with

    asked by ERA22
  115. Physics

    A piece of luggage is being loaded onto an airplane by way of an inclined conveyor belt. The bag, which has a mass of 20.0 kg, travels 6.50 m up the conveyor belt at a constant speed without slipping. If the conveyor belt is inclined at a 40.0° angle,

    asked by Anonymous
  116. Probability and Statistics

    Random Variables X and Y follow a joint distribution: f(x,y)=(6-x-y)/8 if 0

    asked by Katy
  117. Chemistry

    I need help with this chemistry flame test lab discussion question. "List the metals used in this lab in increasing order of the energy of the light emitted." We tested BaCl2, CaCl2, CuCl2, FE(NO3)3, KCl, LiCl, NaCl, & Sr(No3)2. I'm not completely sure how

    asked by Elva
  118. science

    Find and save a piece of junk mail. What is this piece of mail trying to persuade you to do? Were you at all tempted by the offer? Why or why not? What principles of social psychology does it use to accomplish its goals? How could you use your social

    asked by eid2013
  119. Physics

    WOMAN IN ELEVATOR A woman weighs Fg= 650 N when standing on a stationary scale. Now, the woman is riding an elevator from the 1st floor to the 10th floor. As the elevator approaches the 10th floor, it decreases its upward speed from 8 m/s to 1 m/s in a

    asked by Mary
  120. Math

    11. Which two values are both equivalent to 240$ A. 2.4 and 2 2/25 B. 2.4 and 2 2/5 C. 0.24 and 2 2/5 D. 0.24 and 2 2/25 B 12. Which list of numbers is in order from greatest to least? A. -5 ,0 ,1/4, 2, 7/3, 6 B. 6 ,-5 ,7/3 ,2 ,1/4 ,0 C. 7/3,6,2,1/4,0,-5

    asked by Jerald
  121. Physics plz help :(

    Q.) A block of mass m=2 kg on a horizontal surface is connected to a spring connected to a wall (see figure). The spring has a spring constant k= 18 N/m. The static friction coefficient between the block and the surface is μs= 0.7 , and the kinetic

    asked by Shashanoid
  122. Physics

    MASS PUSHED BY A SPRING A block of mass m=2 kg on a horizontal surface is connected to a spring connected to a wall (see figure). The spring has a spring constant k= 16 N/m. The static friction coefficient between the block and the surface is μs= 0.7 ,

    asked by john
  123. math

    what is the place value of each digit. 2 004 560 220

    asked by kellyann
  124. Mathjc

    Ab+ab=

    asked by JaimeC
  125. College algebra

    -I need help solving this 72/(-4)+3(-4) _________ 5-(-5)

    asked by angela
  126. Math

    Suppose you wnat to purchase a house for 650,000. !@#$%^& much of the loan would be left after 10 years if the interest rate was 3.8 % and it was a thirty year mortgage? And if you made the montly payments for ten years, and then increase your payment to

    asked by Kassie
  127. physics

    A thermal neutron beam of intensity 1 to the power 11, neutrons/sec is directed for 2 days into a cavity in a block of cobalt initially composed entirely of the stable isotope Cobalt 59. The neutrons are all captured, producing cobalt 60 nuclei which are

    asked by Ryan
  128. Probability and Satistics

    Random Variables X and Y follow a joint distribution: f(x,y)=(6-x-y)/8 if 0

    asked by Katy
  129. Algebra 2 @ Steve

    I have another question regarding functions, but instead if you are adding up functions that are in a radical. f(x) and g(x) are both square root of x+5. To find the domain of f+g, f-g, fg, and f/g, would I find the domain of each function...[-5,infinity)?

    asked by Serena
  130. PHYSICS

    The magnetic field of the Earth at a certain location is directed vertically downward and has a magnitude of 54.0 µT. A proton is moving horizontally towards the west in this field with a speed of 6.00 ✕ 106 m/s What is the radius of the circular arc

    asked by bad at physics