Questions Asked on
March 26, 2014

  1. CHemistry

    SO2(g) + H2O(l)= H2SO(l) What mass of sulfur dioxide is needed to prepare 36.86 g of H2SO3(l)

    asked by Ryan
  2. FINANCE

    Mooncorp Insurance has quoted you an annual premium to insure your car of $3100. You are offered a 15% discount if you pay the lump sum immediately. They also offer an alternative payment method. You can pay the account in full by making 12 equal beginning

    asked by Anonymous
  3. physics

    A baseball of mass m1 = 0.32 kg is thrown at a concrete block m2 = 6.25 kg. The block has a coefficient of static friction of μs = 0.71 between it and the floor. The ball is in contact with the block for t = 0.195 s while it collides elastically. What is

    asked by Anonymous
  4. math

    Write an equation of a line perpendicular to line AB below in slope-intercept form that passes through the point (7, 6). A (0,1) B (-2,5)

    asked by Henry
  5. Math

    Homing pigeons avoid flying over large bodies of water, preferring to fly around them instead. Assume that a pigeon released from a boat 1 mile from the shore of a lake flies first to point P on the shore and then along the straight edge of the lake to

    asked by Merfit
  6. physics

    Suppose that a party balloon is spherical, has a radius of 16 centimetres and is filled with helium. Furthermore suppose that we do our experiment under standard atmospheric conditions, when the air density is \(\rho = 1.225 kg/m^3\). How many of these

    asked by Nick
  7. Chemistry

    generic salt, AB3, has a molar mass of 333 g/mol and a solubility of 2.30 g/L at 25 °C. What is the Ksp of this salt at 25 °C?

    asked by Nickcole Jackson
  8. chemistry

    a piece of metallic iron (10 moles) was dissolved in concentrated hydrochloric acid. the reaction formed iron (II) chloride and hydrogen gas. how many moles of iron (II) chloride were formed?

    asked by dee
  9. pre calculus

    Find the exact values: tan(7pi/4) - tan (pi/6)

    asked by Anonymous
  10. Algebra

    Find the y value for the point that splits segment EF in half if point E is located at 5,-2 and point F is located at -1,3.

    asked by Hailey
  11. Calculus

    You are given a piece of sheet metal that is twice as long as it is wide an has an area of 800m^2. Find the dimensions of the rectangular box that would contain a max volume if it were constructed from this piece of metal by cutting out squares of equal

    asked by Marie
  12. phy113

    An ungraduated mercury thermometer attached to a millimeter scale reads 22.8 mm in ice and 242mm in steam at standard pressure. What will the millimeter read when the temperature is. 20oC?

    asked by sam
  13. I need help with Physics

    A baseball of mass m1 = 0.46 kg is thrown at a concrete block m2 = 8.25 kg. The block has a coefficient of static friction of μs = 0.81 between it and the floor. The ball is in contact with the block for t = 0.165 s while it collides elastically. m1 =

    asked by Maura
  14. science

    Na2SO4(aq)+CaI2(aq)→CaSO4(s)+2NaI(aq) as net ionic

    asked by Anonymous
  15. Math

    At some point in the season, the Unicorns had won 60% of their baseball games. After that point, they won 8 more games and lost 2, to finish the season having won 65% of their games. How many games did the Unicorns play during the season?

    asked by Anonymous A.
  16. College Calculus

    The hands of a clock in some tower are 4.5m and 2m in length. How fast is the distance between the tips of the hands changing at 9:00? (Hint: Use the law of cosines) The distance between the tips of the hands is changing at a rate of _______ m/hr at 9:00?

    asked by MG
  17. Chemistry

    Which of the following substances could be heated from 20°C to 100°C most quickly? Assume identical heat sources are used on all substances. Specific Heat (J/g degrees C) Gold: 0.1291 Platinum: 0.1326 Silver: 0.2350 Tin: 0.2274 Can you please explain how

    asked by Angela
  18. Phsyics

    In a shipping yard, a crane operator attaches a cable to a 1130-kg shipping container and then uses the crane to lift the container vertically at a constant velocity for a distance of 30 m. Determine the amount of work done by each of the following. (a)

    asked by ANdy
  19. Geometry

    I need help in this question!!! CD has an endpoint at (2,-1) and a midpoint at (8,3). which measure is closest to the length of CD? A. 20.4 units B. 8.4 units C. 14.4 units D. 11.7 units

    asked by Alicia
  20. Math

    Could somebody please help me with a few Math questions? 1. Provide an appropriate response. True or False? 100.567 is between 10 and 100. 2. Use an annual percentage rate table to solve the problem. A family purchased a new ski boat for $20,000. The loan

    asked by Felicity
  21. Ms. Sue please help

    Line AB contains points A (-8, -4) and B (1, -5). The slope of line AB is A. -7 B. -1/7 C. 1/7 D. 7

    asked by Marco
  22. Geometry

    The vertices of a triangle are P(-3,8), Q(-6, -4), and R (1, 1). Name the vertices of R (smaller letters)y-0 (triangle PQR). A. P'(-3, 8), Q'(-6,-4), R'(1,1) B. P'(-3,-8), Q'(-6,4), R'(1,-1) C. P'(3,-8), Q'(6,4), R'(-1,-1) D. P' (3,8), Q'(6,-4), R'(-1,1)

    asked by Sierra
  23. Calculus

    If 40 milligrams of strontium-90 radioactively decays to 12 milligrams in 30 years, find its half-life (the number of years it takes until half of it remains). Use the formula A = p ⋅ e−kt, where p is the amount and A the (smaller) final amount.

    asked by Kimberly
  24. chemistry

    Which nucleophile, when reacted with 1-bromopropane (CH3CH2CH2Br), would produce an ether? I- OH- -OCH3 SH-

    asked by Johnny
  25. math

    period of x(t)=10 sin(12 pi t)+4 cos(18 pi t)

    asked by debojyoti
  26. `Statistics

    A public relations firm found only 9% of voters in a certain state are satisfied with their US senators. How large a sample of voters should be drawn so that the sample proportion of voters who are satisfied with their senators is approximately normally

    asked by Nicole
  27. Statistics

    A population has a standard deviation of 15.2. How large a sample must be drawn so that a 95% confidence interval for the population mean will have a margin error equal to 3.5?

    asked by Nicole
  28. math

    Suppose a movie theater sold 200 adult and student tickets for a showing with the revenue of $980. If the adult tickets are $5.50 and the students tickets are $4, how many of each type of ticket were sold?

    asked by Kiara
  29. Math please ASAP

    Line AB contains points A (-1, 3) and B (5, 3). Line AB has a slope that is

    asked by AnonSara
  30. algebra

    Mary has a total of $5000 invested in two accounts. One account pays 5% and the other 8%. Her interest in the first year was $331. Write and solve a system of equations to find out how much she has invested in both accounts

    asked by ann
  31. Chemistry

    Complete ionic equation and net ionic equation for 2 K3PO4 + 3 Fe(NO3)2 --> 6 KNO3 + Fe3(PO4)2

    asked by Ryan
  32. Chemistry

    "Determine the volume of a 0.925M K2Cr2O7 solution required to completely react with 5.28g of Cu." My attempted method for solving was to convert the 5.28g of Cu to moles, find moles of K2Cr2O7 using the mole to mole ratio, and then use M=mol/L to solve

    asked by Jamie
  33. college physics

    A 0.240-kg billiard ball that is moving at 3.00 m/s strikes the bumper of a pool table and bounces straight back at 2.40 m/s (80% of its original speed). The collision lasts 0.0150 s. (a) Calculate the average force exerted on the ball by the bumper. (b)

    asked by Mohanad
  34. Math

    What is the product of the solutions to the equation: x2+4x=-4 a. 80 b. -80 c. -20 d. 4 (I NEED TO KNOW WHO TO GET THE ANSWER PLEASE)

    asked by Marlene Diaz
  35. physics113

    Heat can be defined as in phy113

    asked by sam
  36. Calculus

    The amount of carbon-14 still present in a sample after t years is given by the function where C0 is the initial amount. Estimate the age of a sample of wood discovered by an archeologist if the carbon level in the sample is only 18% of its original

    asked by Kimberly
  37. Chemistry

    The principal quantum number, n, describes the energy level of a particular orbital as a function of the distance from the center of the nucleus. Additional quantum numbers exist to quantify the other characteristics of the electron. The angular momentum

    asked by Annabelle
  38. Algebra

    Keiko is a software saleswoman. Let x represent her total pay (in dollars). Let y represent the number of copies of History is Fun she sells. Suppose that x and y are related by the equation 2200+900x=y. Answer the questions below. Note that a change can

    asked by Stacey
  39. Psychology

    What make perception a cognitive rather than a simply sensory skill?

    asked by Anonymous
  40. health

    Mothers who abuse cocaine during pregnancy are often ________. A. Prematurely delivered B. Have low birth weights C. Smaller head circumferences D. All of the above

    asked by Ole Girl
  41. Health and Physical

    6. Winston’s baseball team had the bases loaded in the last inning when his friend Freddie watched three straight pitches go by without swinging and was called out on strikes to end the game. How can Winston demonstrate responsible behavior in this

    asked by Cindy
  42. Chemistry

    A generic salt, AB, has a molar mass of 159 g/mol and a solubility of 3.20 g/L at 25 °C. What is the Ksp of this salt at 25 °C?

    asked by Nickcole Jackson
  43. *****Help Statistic

    Imagine taking a 10-question true or false exam. You randomly guess at each question. Don't do any calculations, just tell me your first impressions a). Is this a binomial setting? b) How many question do you think you would get correct? c). How surprised

    asked by Helen
  44. Chemistry

    "Determine the volume of a 0.925M K2Cr2O7 solution required to completely react with 5.28g of Cu." My attempted method for solving was to convert the 5.28g of Cu to moles, find moles of K2Cr2O7 using the mole to mole ratio, and then use M=mol/L to solve

    asked by Jamie
  45. college physics

    Competitive divers pull their limbs in and curl up their bodies when they do flips. Just before entering the water, they fully extend their limbs to enter straight down. Explain the effect of both actions on their angular velocities. Also explain the

    asked by Mohanad
  46. physics

    A stone of mass m kg is held h metres above the floor 50s.The workdone in joules over this period is

    asked by UGBER SHATER
  47. science

    H2O2(g)+2CO(g)¨H2(g)+2CO2(g)

    asked by lesego
  48. Math

    Use a translation rule to describe the translation of triangle ABC that is 8 units to the right and 2 units down.

    asked by Libby
  49. Social studies check answers ***damon***

    1.A 4.A 5.B 6.C 8.C 1.The story of Omar best reflects A. opportunities for people in the Pampas. B. struggles faced by families who work the mines of the Andes. C. hardships undertaken by indigenous farming families. D. benefits of urban life along the

    asked by matt
  50. chemistry

    in an experiment, a 4.000grams sample of aluminum metal is added to a solution containing 5.000grams of dissolved iron chloride. the reaction results in the formation of aluminum chloride and metallic iron. when the reaction is complete, unreacted aluminum

    asked by Anonymous
  51. physics

    A car moving with an initial speed v collides with a second stationary car that is 50.7 percent as massive. After the collision the first car moves in the same direction as before with a speed that is 33.2 percent of the original speed. Calculate the final

    asked by Erin
  52. Chemistry

    How many milliliters of 0.242 M NaOH are required to exactly titrate 18.0 grams of H2C2O4?

    asked by Amanda
  53. irsc

    a 10-kg rock and a 20-kg rock are dropped at the same time and experience no significant air resistance. if the 10-kg rock falls with acceleration a, what is the acceleration of the 20-kg rock?

    asked by Anonymous
  54. Calculus

    Use a tangent line approximation at x=0 to estimate the value of sin(-0.1). I got 0.1

    asked by Anonymous
  55. Health and Physical

    1. Melody enjoys playing team sports, such as baseball and soccer. Which organization would provide her the best opportunity to participate in these activities? Parks and recreation center********* Private school A local gym A faith based organization 2.

    asked by Cindy
  56. Milford DE

    #6 Plot Story map for the other wife

    asked by Jean
  57. geometry

    A circular garden is divided into 6 equal sections. The radius of the garden is 13 feet. Find the area of one of the sections.

    asked by Giulia
  58. Algreba

    y+7x+8

    asked by Kelly
  59. finance

    Templeton Extended Care Facilities, Inc. is considering the acquisition of a chain of cemeteries for $430 million. Since the primary asset of this business is real estate, Templeton’s management has determined that they will be able to borrow the

    asked by inked
  60. English/Social Studies

    I'm writing an essay and need help coming up with economic reasons to to be against Caps on Punitive Damages. Google is not turning up what I need. I need how will implementing this program be bad economically?

    asked by S
  61. math

    what is -8 squared +(17 - 9)x 4 + 7

    asked by jill
  62. Chemistry

    CIE and NIE for 2 K3PO4 + 3 Fe(NO3)2 --> 6 KNO3 + Fe3(PO4)2

    asked by Ryan
  63. Chemistry

    he Ksp of mercury(II) hydroxide, Hg(OH)2, is 3.60 × 10-26. Calculate the solubility of this compound in g/L. I came up with x=2.8*10^-13

    asked by Nickcole Jackson
  64. Biology

    Why does an increase in light intensity cause the rate of photosynthesis to increase?

    asked by A
  65. chemistry

    A solution is made with 2.0 g of substance that cause the temperature of 75.0 g of water to decrease from 23.1 C to 18.7 C. The specific heat of water is 4.18 J/g C.

    asked by Phailin
  66. 6th grade Lang Arts

    Can you check my answers? Name type of sentences 1. I believe my students are ready to take this test because everybody has worked hard to learn the material. Ans:complex independent - I believe my students are ready to take this test dependent - because

    asked by Alexis
  67. Math

    Solve the problem. Round to the nearest cent. Joan wants to have $250,000 when she retires in 27 years. How much should she invest annually in her annuity to do this if the interest is 7% compounded annually? A) $1861.10 B) $3356.43 C) $2672.15 D) $937.86

    asked by Nick
  68. math 2

    A segment with endpoints C (3,4) and D (11,3) is divided by a point E such that CE and DE form a 3:5 ratio. Find E.

    asked by Henry
  69. math

    A stock that sold for $240 per share before a week began had the following gains and losses in share price over the course of that week. Monday ( - 2 3/4 ), Tuesday ( - 3 1/8 ), Wednesday ( + 1 1/8 ), Thursday ( + 5 ), Friday ( - 2 1/4 ). Suppose an

    asked by thomas
  70. Socials

    What year was Canada's first railway : the Champlain and Saint Lawrence railroad built in?

    asked by Madhu
  71. integer Math

    Estimate the value of integer 52 to the nearest whole number

    asked by Moby
  72. Chemistry

    a 4.000grams sample of aluminum metal is added to a solution containing 5.000grams of dissolved iron chloride. the reaction results in the formation of aluminum chloride and metallic iron. when the reaction is complete, unreacted aluminum remains, and this

    asked by Anonymous
  73. physics

    what is the final temperature when 3 pound of water at 100 degree fahrenheit is added to 500 lb at 40 degree fahrenheit

    asked by sarah
  74. social studies

    The political strategy in which the Republicans and Populists joined together was known as___________ movement.

    asked by victoria
  75. math

    for the line segment whose endpoints are r(1,2) and s(6,7), find the point located 3/4 the distance from r to s.

    asked by Henry
  76. Math

    Dominic drove 324 miles from Salt Lake City,Utah, to Bryce Canyon National Park in 6 hours and 34 minutes. What was his average speed, in miles per hour?

    asked by Tom
  77. science

    A 3.5-cm tall object is placed 10.0 cm in front of a concave mirror having a focal length of 14.5 cm. Find the location position and height by drawing a ray diagram to scale. Verify your answer using the mirror and magnification equations. cm (location) cm

    asked by Maggie
  78. Math

    There are ten yellow 6 green 9 orange and 5 red cards in a stack of cards turned faced down once a card is selected it is not replaced what is the probability they will get two yellow cards

    asked by Des
  79. MATH

    14% of what number is 84?

    asked by Julia
  80. Calculus

    The height in feet above the ground of a ball thrown upwards from the top of a building is given by s=-16t^2 + 160t + 200, where t is the time in seconds. If the maximum height is 600 feet, what is v^-1(32)? The answer is supposed to be 4 seconds, but I

    asked by Ann
  81. Calculus

    If position is given by p(t)=t^2 +1, find the velocity v(t) at t = 2. I'm completely lost as to where to even start with this problem.

    asked by Anonymous
  82. E.M.U

    For the same solution components as in part (f), buffers are prepared with a total concentration of NH3 + NH4Cl = 0.10 M. The pH values are 8.0, 8.5, 9.0, 9.5, 10.0, 10.5, and 11.0. Find the molar solubility of CdS in these solutions

    asked by k.sina
  83. physics

    What force should the woman in Figure 9.45 exert on the floor with each hand to do a push-up? Assume that she moves up at a constant speed.

    asked by Mohanad
  84. Math!!!!

    y-(-3)= -1/2(x-(0)) How do you solve this equation and graph?????

    asked by Alexa
  85. Physical science

    A man loads 1000 sacks of flour into a truck in 30.0 minutes. Each sack has a mass of 20.0kg and the man must lift each sack 1.00m from a cart up onto the truck bed. how much power did the man develop?

    asked by Troy Stuart
  86. English II

    That day I was so worried that I

    asked by LaLa
  87. physics

    Others say that the balloon was 23 metres high and 14 metres wide. Calculate the temperature of the air in the balloon (in degrees Celsius) for this situation as well

    asked by Nick
  88. math

    Find the monthly house payments necessary to amorti ze each loan. Then calculate the total payments and the total amount of interest paid : $199,000 at 7.01% for 25 years

    asked by Ruba
  89. math

    tim has a det of $872.23. If he pays 40 percent of the debt this month and 50 percent of the remainder next month, how much does tim still owe?

    asked by laura
  90. 3rd grade math

    Brandon bought one more pair of sweatbands than luis. Each pair of sweatbands cost $3.88. He also bought one more bottle of sports drink than luis, each costing $1.75, and a granola bar, costing $0.98. What was the total cost brandon's purchase?

    asked by Josh
  91. math

    63.49 divided by 7

    asked by Mike
  92. Health

    Dr.Margo Maine suggests that people exercise for the three F's which include.

    asked by Anonymous
  93. biology - genetics

    is the cis-regulatory sequence found in the exome?

    asked by santoki
  94. L.A

    Read this sentence from New Directions.When we came from school, the wall was slick with white.Which meaning of the word slick is used in the sentence above? A.impressive and efficient

    asked by Anonymous
  95. physics

    The small piston of a hydraulic lift has an area of 0.10 m2. A car weighing 2.0 x 104 N sits on a rack mounted on the large piston. The large piston has an area of 0.50 m2. How large a force must be applied to the small piston to support the car?

    asked by Matt
  96. Ms. Sue - How do you have time to help kids?

    You're always helping people with troubling homework and prodding us to do our research. How do you find time do do anything else? It's really kind of you, by the way and I always appreciate your help. :-)

    asked by Rainshine
  97. Math

    Jayce wants to paint her room Duke Blue.Her room is 12 ft long ,12 ft 10inches wide, and 10ft high.If Dylan insists she paint her ceiling white, about how many cans of blue paint will she need to buy to paint the walls.One can covers 120 square feet.

    asked by Anonymous
  98. statistics

    If there are 18 blue socks and 24 black socks what is the probability of pulling out 2 black socks?

    asked by Jay
  99. math

    one container has 38 gal in it, it fills at 5 gph . the other container has 30 gal in it, it is filling at 7 gph. when will they have the same amount of water in each?

    asked by me
  100. Algebra

    1) which number(s) is/are a solution of the inequality? There can be more than one correct answer. A) -13 B) 25 C) 10 D) 33 2) which number(s) is/are a solution of the inequality? There can be more than one correct answer. A) 1 B) 2 C) 3 D) 4

    asked by Help me 2 questions
  101. Math

    Umm, guys, hi. Lauren says that -3.36 (36 is repeating) is greater than -3 1/3. Do you agree? Explain

    asked by Cool
  102. Math

    solve for y 3x + y = 2 Trying to help out my daughter, if you could show me steps that would be wonderful. Thank You

    asked by Jessica
  103. Quick Math Question

    I was working out a problem and reached an answer of 3ln |x|+ (1/x)+ ln |x+1| The final given answer is (1/x) + ln |x^4 +x^3| I see that the (1/x) carried over and I know how the x^3 got there, but I'm confused as to the x^4. Can someone kindly explain

    asked by Anonymous
  104. geometry

    If I need to make a mold with a square base with a volume of exactly 28 cubic centimeters how many possible molds could I make?

    asked by Ann
  105. math

    There are 50 big cats in the zoo.  2/5 of them are tigers.   1/5 of them are leopards. The rest are lions. How many lions are there in the zoo?

    asked by john
  106. phy113

    What mass of ice is needed to cool 60g of water from 43oC to 20oC

    asked by sam
  107. Math

    Jan is making a 3-tier wedding cake for 300 guests. She will make the cake for $3 per serving with the following specifications: -Each serving is 4 inch.3 -Each tier must be smaller than the tier below it. -Each square tier is 4 in. tall with a side length

    asked by WALTER
  108. Math

    The Brock family uses a 12-cup coffee maker, which leaks. For every 6 cup of coffee brewed, 1/12 cup leaks out. Mrs. Brock makes a full pot. If 4 coffee drinkers receive the same amount, how many cups (use a mixed number) will each individual receive?

    asked by WALTER
  109. Math

    Historically, an acre was the amount of land that an ox could plow in one day, which was deemed to be 4,840 square yards. Supposing that an ox could plow 4,840 square yards in a day, how manyyears would it take an ox to plow a square mile?

    asked by WALTER
  110. english essay

    * I need help writing research essay. The topic is to write about an issue or problem that you want to change. Well, I am mostly interested in Science, particularly Chemistry and Nature.

    asked by Jess
  111. MOUAU(physics)

    F̶̲̥̅̊o̲̣̥я̲̣̥ a metallic conductor,Ohm's law holds provided

    asked by chalomzy
  112. Math

    A store has found that 60% of their customers spend more than $75 each visit. What is the probability that the next two customers will spend more than $75.

    asked by Meredith
  113. physics

    How long will it take a watch dropped from a bridge (20.3 meters above the water) to hit the water?

    asked by Ryan
  114. global warming science

    1a (5 points possible) A schematic of a two layer model of the Earth-atmosphere energy balance is shown in the image below. The atmosphere is assumed to be transparent to solar radiation, and the total solar radiation absorbed by the surface is written in

    asked by JuanPro
  115. home economics

    what are the reasons for disposal of fullness

    asked by agness
  116. Algebra

    Can you guys please help? : jiskha. com /display.cgi?id=1395865500

    asked by Hailey
  117. Chemistry

    So my chem professor had a slide with a question that follows: If you combine 100 ml of 0.10 M HCl and 100 ml of 0.10 M NaOH, and find that the temperature goes up 0.67 degrees K  What is ΔH° for the reac/on: OH(aq)- + H+(aq)->H2O(l)(c H2O= 4.18 J/°C

    asked by Angely R.
  118. Math

    What is the pattern for 2,6,4,12,10,30,28

    asked by Morgan
  119. Maths

    4x+1,2x+4 and x+3 are first three terms of arithmetic sequence determine the value of x

    asked by Khahliso
  120. Algebra

    1) which number(s) is/are a solution of the inequality? There can be more than one correct answer. A) -13 B) 25 C) 10 D) 33 2) which number(s) is/are a solution of the inequality? There can be more than one correct answer. A) 1 B) 2 C) 3 D) 4

    asked by Help me 2 questions
  121. American History

    During the bitter struggle over reconstruction policy, Congress overrode Johnson;s veto of the a. bill extending the life of the Freeman's Bureau. b. bill intended to nullify the soth's black codes. c. Radical Reconstruction Act. d. Civil Rights Act.

    asked by Toya Q.
  122. math

    36/1.5 = ? how to divide this

    asked by john
  123. Maths

    Which term of the sequence has a value of -123?

    asked by Khahliso
  124. American History

    Which of the following statements is true regarding the constuction of the transcontinental railway? a.Most workers for the Union Pacific Railroad were Chinese. b. Most workers on the Central Pacific leg of the railway were Chinese. c. Construction began

    asked by Toya Q.
  125. LA PLS HELP!!!!! (check my work)

    1. What causes Brer Lion to be tied to a tree? (1 point) >>>his fear>Brer Lion will never trust Brer Rabbit again.>brother.>to aid in your comprehension

    asked by sonamy & robstar 4eva
  126. Algebra

    Hi I have a question concerning how to factor on a TI84plus what are the steps to doing that? much help is appreciated thanks!

    asked by christopher
  127. math

    John is looking at a map and it says that 1 inch = 50 miles. John wants to travel to a town that is 7.5 inches away on the map. How many miles must he travel to get there?

    asked by Anonymous
  128. Chemistry

    Which nucleophile, when reacted with 1-bromopropane (CH3CH2CH2Br), would produce a thiol? OH- SH- I- -OCH3

    asked by Johnny
  129. American History

    Which of the following noted American authors wrote works that supported slavery? a. Ralph Waldo Emerson b. Henry David Thoreau. c. Edgar Allan Poe d. Harriet Beecher Stowe

    asked by Toya Q.
  130. Equations Help

    how many real number solutions are there to the equation y=5x^2+2x-12 how many real number solutions are there to the equation y=3x^2+18x+27 Can somebody tell me how to get the solutions?

    asked by Alex
  131. Science

    If an astronaut could hop 40 cm high on Jupiter, how high could he or she jump on earth? On the moon? Please help me fast I have a bunch of questions over this and I have no idea what this even means

    asked by Kelsey
  132. Math

    -2 1/5 divided by -3 2/3. Show work also thanks (:

    asked by Cindy
  133. Math

    The length of a table is 3 1/3 inches. The width is 1/5 of length. Find the width and perimeter of table

    asked by Lisa
  134. Math

    Order from greastest to least -1 13/14 , -1.9 , -1 9/11, -1.95 show work

    asked by Beth
  135. Chemistry

    CIE and NIE for 2 K3PO4 + 3 Fe(NO3)2 = 6 KNO3 + Fe3(PO4)2

    asked by Ryan
  136. Math

    Use the following four coordinates to determine which one has a distance of 10 units from point C (1, 2). (3, 4) (7, 1O) (6, 7) (8, 9)

    asked by Anon
  137. Math. Help

    Anna's dad is replacing a table in their house. The table is currently 3 feet wide by 4 feet tall. Her dad wants to add 9 inches to the legs of the table. What is the new perimeter of the table in feet?

    asked by Robbert
  138. Physical science

    An astronaut on a space walk bumps the shuttle and starts moving away at a velocity of 0.02m/s. The astronaut's mass is 100kg. He takes a 1kg "safety weight" and shoves it away in exactly the direction of his motion at a speed of 6m/s. at what speed does

    asked by Troy Stuart
  139. Math

    If Mike has 8 dimes and 6 pennies in his pocket. If he randomly selected one coin and then a second coin without replacing the first, what is the probability that both coins were dimes?

    asked by Amy
  140. math

    Solve for v: C=6u2v

    asked by ava
  141. Math

    solve for y 2y = 18x y - 6 = 2x trying to help with homework and at a loss here.

    asked by Jessica
  142. math

    solve for A B=3/8(A-10)

    asked by ava
  143. Fractions

    Last night 16/28 of the tenth grade girls and 19/30 of the tenth grade boys went to go ice skating. Did a greater fraction of tenth grade girls or boys went ice skating? Prove it.

    asked by Dave
  144. Physics

    suppose that you drop the ball from a height of about 2m above the floor, releasing it from rest. on the axes that follow, sketch your predictions for the velocity-time and acceleration-time graphs of the ball's motion. assume that the positive y direction

    asked by Anonymous
  145. math

    a painter is painting the ceiling of a square room. The walls are all 15 ft long. If a gallon of paint covers 45 square feet, how many gallons of paint will be needed to cover the entire ceiling? A. 4 Gallons B. 5 Gallons C. 6 Gallons D. 3 Gallons

    asked by Cierra
  146. math

    Tessa feeds her dog 3 3/4 cups of dog food per day. If she buys a bag of food that has 165 cups how many days will the bag of dog food last?

    asked by Ariel
  147. 6th Grade Math

    A drawer contains 3 blue ribbons, 4 red ribbons, and 3 green ribbons. A ribbon is randomly chosen from the drawer, replaced, and another ribbon is chosen. Find each probability"

    asked by Paul
  148. social studies

    During world war I, where in Louisiana was a large military camp establish? a) Baton Rouge b) Crowley c) Pineville d) Vidalia

    asked by victoria
  149. social studies

    The political strategy in which the Republicans and Populists joined together was known as___________ movement.

    asked by victoria
  150. 7th grade math

    Tower A is about 1450 feet tall. Tower B is about 4/5 as tall. How tall is the B tower?

    asked by Ariel
  151. Finance

    One of your customers is having trouble paying her account. You agree to a repayment schedule of $300 per month. You charge 1% per month interest on late accounts. If the current balance is $2000, how long will it take to pay off the debt?

    asked by Anonymous
  152. Science

    Without newtons second law would there be gravity on earth??????? Help!!! And also how are newtons second and third laws of motion important to your everyday life?

    asked by Kahoho
  153. health

    people living with HIV can have a longer and healthier life by ____

    asked by Ole Girl
  154. social studies

    What are the other special benefits that senators and representatives receive beyond salaries?

    asked by annoymous
  155. english

    What is the tone in "a thankless experience

    asked by h
  156. math

    find the next term in the sequence 6,11,21,36,56,81

    asked by roma
  157. Pre calculus

    For the most part, will a law of cosines always be one triangle? As in one triangle to solve?

    asked by Luis
  158. Chemistry

    Write the reactions that occur for the benzoic acid/sodium benzoate buffer when you react it with HNO3 and KOH. How would I go about writing it? Thanks.

    asked by Rainbow
  159. Precalculus II

    Find all real solutions to four decimal places to the equation sec^2(x)+ 3 tan(x)=5

    asked by hamal
  160. Science

    Compare and contrast a desert ecosystem and a forest ecosystem.

    asked by Raquel
  161. Calculus

    The vertical position of an object is modeled by the function h(t)=-16t^2 +5t+7, where h is measured in feet and t is measured in seconds. Find the object's initial velocity (that is, the velocity at t=0). Is it 5 feet per second?

    asked by Kayla
  162. Math

    Write an equation of a line perpendicular to y=1/2x-5 in slope-intercept form that passes through the point (2, -7).

    asked by Henry
  163. chemistry

    URGENT!!! How many grams of sodium benzoate (NaC6H5CO2) must be added to 500 mL of 0.15 M benzoic acid (HC6H5CO2) to make a buffer solution with pH of 5.0? Assume no volume change upon sodium benzoate dissolution. Ka = 6.46 x 10-5 How would I go about this

    asked by Rainbow
  164. Chemistry

    Given that the vapor pressure of water is 17.54 Torr at 20 °C, calculate the vapor-pressure lowering of aqueous solutions that are 1.90 m in (a) sucrose, C12H22O11, and (b) aluminum chloride. Assume 100% dissociation for electrolytes. I got .5799 Torr for

    asked by Alyssa
  165. Chemistry

    Vitamin K is involved in normal blood clotting. When 1.05 g of vitamin K is dissolved in 25.0 g of camphor, the freezing point of the solution is lowered by 3.53 °C. The freezing point and Kf constant for camphor can be found here. Calculate the molar

    asked by Alyssa
  166. Chemistry

    A hospital saline solution is analyzed to confirm its concentration. A 60.0 mL sample with a mass of 50.443 g is evaporated to dryness. (a) If the solid sodium chloride residue has a mass of 0.413 g, find the mass/mass percent concentration of the NaCl

    asked by Harry
  167. physics

    A simple pendulum consists of a small object of mass 1.2 kg hanging at the end of a 2.07 m long light string that is connected to a pivot point. Calculate the magnitude of the torque (due to the force of gravity) about this pivot point when the string

    asked by Anonymous
  168. Chemistry

    What is the mass if solute dissolved in the indicated volume of each of the following solutions? (b) 4.25 L of 0.450 M KIO4g (c) 60.0 mL of 0.310 M ZnSO4g (d) 60.0 mL of 0.310 M Ni(NO3)2g

    asked by Harry
  169. french

    Do this sentence is direct or indirect je vais voir mes cousins

    asked by ana