eddie

Most popular questions and responses by eddie
  1. English grammar

    I need to identify the subject, verb, and any complements (direct object, indirect object, subject complement, objective complement) and the prepositional phrases of the following sentances. I thought i had them more or less right but when i turned them in

    asked on July 5, 2011
  2. Chemistry

    How much ice (in grams) with the temperature of 0∘C would have to melt to lower the temperature of 355mL of water from 26∘C to 4∘C? (Assume the density of water is 1.0 g/mL.)

    asked on April 7, 2014
  3. Chemistry

    Calculate the amount of energy in kilojoules needed to change 225 g of water ice at -10 C to steam at 125 C. The following constants may be useful: Cm(ice)=36.57 J/(mol*C) Cm(water)=75.40 J/(mol*C) Cm(steam)=36.04 J/(mol*C) Delta H(fus)=+6.01 kJ/mol Delta

    asked on April 17, 2010
  4. Physics

    A pan filled with hot food cools from 94°C to 86°C in 2minutes when the room temperaturs is at 20°C .How long will it take to cool from 71°C to 69°C ?

    asked on March 26, 2016
  5. chemistry

    what is the IUPAC name for CH3CH2C(CH3)2CH2CH(CH3)2?

    asked on March 15, 2013
  6. college chemistry

    Dry ice is solid carbon dioxide. Instead of melting, solid carbon dioxide sublimes according to the following equation: CO2(s)--> CO2(g). When dry ice is added to warm water, heat from the water causes the dry ice to sublime more quickly. The evaporating

    asked on November 9, 2009
  7. Geometry

    The height of a parallelogram is 5 feet more than its base. If the area of the parallelogram is 204 square feet, find its base and height.

    asked on March 6, 2013
  8. Chemistry

    A sample of steam with a mass of 0.552 g and at a temperature of 100 C condenses into an insulated container holding 4.45 g of water at 7.0 C. Assuming that no heat is lost to the surroundings, what will be the final temperature of the mixture?

    asked on January 19, 2010
  9. College chemistry

    How much heat (in kJ) is evolved in converting 1.00 mol of steam at 130.0 C to ice at -50.0 C? The heat capacity of steam is 2.01 J/g*C and of ice is 2.09 J/g*C.

    asked on January 18, 2010
  10. Chemistry

    Determine the [OH^-] of a solution that is 0.145 M in CO3^2-.

    asked on March 23, 2010
  11. geometry

    the diagonals of a rectangle are 8 units long and intersect at a 60 degree angle. Find the dimensions of the rectangle?

    asked on January 27, 2011
  12. Physics

    A coin is placed on a stereo record revolving at 33 1/3 revolutions per minute. (b) Find the acceleration of the coin when it is placed 5.0, 10, and 15 cm from the center of the record. 2 ____ . m/s2 (5.0 cm) 3 ____ . m/s2 (10 cm) 4 ____ . m/s2 (15 cm)(c)

    asked on October 19, 2011
  13. PHYSICS -urgent

    A bomber in level flight, flying at 92m/s, releases a bomb at a height of 1950m. (a) How long is it before the bomb strikes earth? (19.9s) (b) How far does it travel horizontally? (1832m) (c) What are the horizontal and vertical components of its velocity

    asked on March 24, 2015
  14. Calculus

    Write the equation 4x + 5y – 3 = 0 in normal form. Then, find the length of the normal and the angle it makes with the positive x–axis.

    asked on May 8, 2012
  15. Sentance patterns

    I have to match the following sentances to the sentance patterns listed 1.Visiting old mine shafts can be an interesting experience. 2.Remodeling this house has become very expensive. 3.The old village sprawled across the green valley. 4.Academic success

    asked on July 8, 2011
  16. physics

    Janet jumps off a high-diving platform with a horizontal velocity of 3.5 m/s and lands in the water 1.7 s later. How high is the platform, and how far from the base of the platform does she land?

    asked on October 12, 2011
  17. AP Chem

    Determine the [H3O^+] of a 0.240 M solution of formic acid.

    asked on March 21, 2010
  18. ipc

    A sailboat is traveling at a steady speed of 13 mph. The force of the wind pushing against the sail is _______ the opposing force of the water resistance.

    asked on December 7, 2010
  19. physics

    a golfer hits a golf ball an initial velocity of 54m/s [42 degrees above the horizontal]. the ball lands on an elevated green that is 14m higher that the level from which the golfer hit the ball. a) how far away horizontally from the golfer does the ball

    asked on March 19, 2015
  20. Chemistry

    In a coffee cup calorimeter, 1.60 g of NH4NO3 is mixed with 75.0 g water at an initial temperature of 23.50 ºC. When the salt was completely dissolved, the solution temperature of the calorimeter became 21.80 ºC. Assume the solution’s specific heat

    asked on March 10, 2014
  21. geometry

    Marcia is 1.5 meters tall. She casts a shadow that is 2 meters long. A nearby building casts a shadow that is 24 meters long. How tall is the building? (Hint: Use the properties of similar triangles.) A. 48 m B. 36 m C. 18 m D. 7 m

    asked on January 7, 2013
  22. chemistry

    Yellow colors in fireworks are die to the 589 nm radiation of sodium ions. a.) How much energy is given off by one photon of sodium?

    asked on February 14, 2012
  23. physics

    a golfer hits a golf ball an initial velocity of 54m/s [42 degrees above the horizontal]. the ball lands on an elevated green that is 14m higher that the level from which the golfer hit the ball. a) how far away horizontally from the golfer does the ball

    asked on March 19, 2015
  24. Geometry

    A rectangular poster measures 42 inches by 26 inches. A frame shop fitted the poster with a half inch mat border

    asked on March 7, 2013
  25. college chemistry

    A green leaf has a surface area of 2.40 cm^2. If solar radiation is 1120 W/m^2, how many photons strike the leaf every second? Assume three significant figures and an average wavelength of 504 nm for solar radiation.

    asked on November 12, 2009
  26. Physics

    1. The problem statement, all variables and given/known data A point charge is placed at each corner of a square with side length a. The charges all have the same magnitude q. Two of the charges are positive and two are negative, as shown in the following

    asked on January 22, 2012
  27. physics

    You head downstream on a river in a canoe. You can paddle at 5.2 km/h and the river is flowing at 2.2 km/h. How far downstream will you be in 30 minutes?

    asked on October 4, 2011
  28. PHysics

    A baseball pitcher throws a ball horizontally under negligible air resistance. The ball falls 83cm in travelling 18.4 m to the home plate. Determine the ball's initial horizontal speed.

    asked on February 22, 2009
  29. physics

    Two railroad cars, each of mass 6500kg and traveling 95km/h, collide head-on and come to rest. How much thermal energy is produced in this collision?

    asked on October 15, 2007
  30. chemistry

    Calculate the volume of 1.00 M acetic acid solution and mass of sodium acetate needed to make 250 mL of a 0.450 M acetic acid/acetate buffer solution with a pH of 4.00. (The pKa is 4.74 for acetic acid).

    asked on November 3, 2014
  31. Calculus

    Which is the standard form of the equation with p = 26, O=3pi/4 ? the O before the =3pi has a diagonal slash through it.

    asked on May 9, 2012
  32. Physics PLEASE HELP

    A 50-kg crate is pulled across the ice with a rope. A force of 100 N is applied at an angle of 38° with the horizontal. Neglecting friction, calculate the acceleration of the crate AND the upward force the ice exerts on the crate as it is pulled.

    asked on November 1, 2011
  33. physics

    A boat heads directly across a river 39 m wide at 3.9 m/s. The current is flowing downstream at 2.4 m/s. (a) What is the resultant velocity of the boat? m/s (magnitude) ° (direction) (b) How much time does it take the boat to cross the river? s (c) How

    asked on October 4, 2011
  34. Physics

    A 9500kg car traveling at 16m/s strikes a second car. The two stick together and move off with a speed of 6.0m/s. What is the mass of the second car?

    asked on October 22, 2007
  35. Chemistry

    Given the following data: S(s) + 3/2 O2(g)-->SO3(g) ∆H = -395.2 kJ 2SO2(g) + O2(g) -->2SO3(g)∆H = -198.2 kJ Calculate ∆H for the reaction S(s) + O2(g) --> SO2(g) Could someone please tell me how you would go about doing this type of problem?

    asked on January 22, 2013
  36. Chemistry

    Give the half equations at the anode and cathode for a dilute hydrochloric acid,dilute copper chloride solution and the concentrated magnesium solution.

    asked on May 18, 2014
  37. chemistry

    The blue color of the sky results from the scattering of sunlight by air molecules. The blue light has a frequency of about 7.5 * 10^14 Hz. What is the wavelength of this radiation in nanometers?

    asked on February 14, 2012
  38. Physics

    A 4.40-kg model rocket is launched, shooting 53.0 g of burned fuel from its exhaust at an average velocity of 650 m/s. What is the velocity of the rocket after the fuel has burned? (Ignore effects of gravity and air resistance.)

    asked on November 10, 2011
  39. physics

    You head downstream on a river in a canoe. You can paddle at 5.2 km/h and the river is flowing at 2.2 km/h. How far downstream will you be in 30 minutes?

    asked on October 4, 2011
  40. Chemistry

    What is the lewis structure for Propanoic Acid?

    asked on December 4, 2010
  41. Chemistry

    Calculate the standard cell potential for each of the following electrochemical cells. Ni^+2(aq)+Mg(s)--->Ni(s)+Mg^+2(aq) I used the e cell values from the back of my book. They are: Ni^+2(aq)+2e--->Ni(s) E^0= -0.23 V Mg^+2(aq)+2e--->Mg(s) E^0= -2.37 I did

    asked on April 18, 2010
  42. accounting

    Total Assets Total Liabilities Beginning of the year $550,000 $215,000 End of the year 844,000 320,000 On the basis of the preceding data and the following additional information for the year, determine the net income (or loss) of each company for the

    asked on November 28, 2015
  43. accounting I

    stock outstanding as follows: 15,000 shares of cumulative 4%, preferred stock of $20 par, and 19,000 shares of $100 par common. During its first four years of operations, the following amounts were distributed as dividends: first year, $4,500; second year,

    asked on November 28, 2015
  44. MATH

    TO MIX A PUNCH, LINDSAY BEGIN WITH LITERS OF LEMON-LIME SODA AND ADD 1,893 MILLILITERS OF CRANBERRY JUICE. HOW MANY LITERS ARE IN THE PUNCH BOWL WHEN THE PUNCH IS COMPLETED.

    asked on May 16, 2015
  45. Geometry

    Find the area. A rectangle with sides of lengths 4/5 foot and 1/2 foot

    asked on April 8, 2014
  46. Physics

    A 4.40-kg model rocket is launched, shooting 53.0 g of burned fuel from its exhaust at an average velocity of 650 m/s. What is the velocity of the rocket after the fuel has burned? (Ignore effects of gravity and air resistance.)

    asked on November 10, 2011
  47. physics

    While flying due east at 130 km/h, an airplane is also carried northward at 41 km/h by the wind blowing due north. What is the plane's resultant velocity? (Draw vector diagram to solve problem.) Magnitude km/hDirection (north of east) 72° 18° 18° 72°

    asked on October 4, 2011
  48. Math

    Katy has 13 oranges, 12 apples, and 6 bananas. She also has two boxes. Which fruit cannot be put evenly into the two boxes?

    asked on November 9, 2015
  49. statistics

    Let x denote the time taken to run a road race. Suppose x is approximately normally distributed with a mean of 190 minutes and a standard deviation of 21 minutes. If one runner is selected at random, what is the probability that this runner will complete

    asked on December 5, 2014
  50. math

    a farmer wishes to enclose a rectangular region with 210 meters of fencing in such a way that the length is twice the width and the region is divided into two equal parts. what length and width should be used?

    asked on September 6, 2011
  51. Chemistry

    A 23.6 molar solution of formic acid (methanoic acid) has a density of 1.16 g/ml. The molar mass of H, C, and O are 1g/mol, 12g/mol and 16 g/mol, respectively. What is the molality of this solution?

    asked on December 7, 2010
  52. eng

    which one of the following fragments is a prepositional phrase

    asked on November 24, 2014
  53. physics

    You head downstream on a river in a canoe. You can paddle at 5.2 km/h and the river is flowing at 2.2 km/h. How far downstream will you be in 30 minutes?

    asked on October 4, 2011
  54. Chemistry

    You take 2 liters of water at 20 degrees Celsius and remove heat at 200W from it for 5 min. What is the temperature and state of the water after the experiment? Some properties of water: Heat of fusion: 333.55 kJ/kg, Heat of vaporization: 2257 kJ/kg, Heat

    asked on December 6, 2010
  55. Physics

    A 4.40-kg model rocket is launched, shooting 53.0 g of burned fuel from its exhaust at an average velocity of 650 m/s. What is the velocity of the rocket after the fuel has burned? (Ignore effects of gravity and air resistance.)

    asked on November 10, 2011
  56. physics

    A 5.6-kg bowling ball is accelerated from rest to a velocity of 17 m/s as the bowler covers 5.0 m of approach before releasing the ball. What force is exerted on the ball during this time?

    asked on November 1, 2011
  57. physics

    An airplane flies toward 124° at 525 km/h. What is the component of the plane's velocity (a) toward 90°? km/h (b) toward 180°? km/h

    asked on October 4, 2011
  58. science

    when you turn on a lamp, then turn it off, explain what happens to the circuit.

    asked on February 17, 2009
  59. SCIENCE-Urgent

    Right now I'm studying photosynthesis in Biology. We have to design an experiment that would prove how light reactions occur prior to carbon fixing reactions. I know how light and carbon fixing reactions work, but how can I prove this experimentally? Are

    asked on January 7, 2008
  60. Chemistry

    Show the half equations at the anode and cathode for an electrolysis of concentrated magnesium chloride solution using inert electrode

    asked on May 18, 2014
  61. physics

    A 2.5-kg block slides down a 17.0° inclined plane with constant acceleration. The block starts from rest at the top. At the bottom its velocity reaches 0.70 m/s. The length of the incline is 1.7 m. What is the acceleration of the block? What is the

    asked on November 1, 2011
  62. physics

    A student pushes a coin off the edge of a counter with some horizontal velocity. At the instant the coin goes over the edge, a second student drops a second coin from countertop level so it falls vertically to the floor. Which coin hits the floor first?

    asked on March 18, 2015
  63. Physics

    A car travels in the +x-direction on a straight and level road. For the first 5.00s of its motion, the average velocity of the car is V = 7.11m/s . How far does the car travel in 5.00s ? Thank you!

    asked on September 7, 2014
  64. algebra

    a scarf was cut into 6 pieces, each with a length greater than 5 inches. How long could the original scarf have been?

    asked on February 9, 2014
  65. Phyics

    Sue is swinging a yo-yo around her head. What happens to the size of the centripetal acceleration if the mass of the yo-yo is doubled without changing the period or length of the string?

    asked on October 19, 2011
  66. 5th grade

    jen and heather went to lunch. when the bill came, jen discovered she had only$6. luckily, heather had enough money to pay the other part, or three fifths. how much did heather pay? how much was the bill?

    asked on December 13, 2010
  67. Physics

    A point charge of -14nC and +12nC is located 12cm along the x-axis. Determine the magnitude and direction of the electric field intensity at point P at the mid-point and 8cm perpendicular from the x-axis: p | | 8.0cm | | -14nC.---------------. 12 nC 6cm

    asked on November 24, 2010
  68. SCIENCE-URGENT

    Right now I'm studying photosynthesis in Biology. We have to design an experiment that would prove how light reactions occur prior to carbon fixing reactions. I know how light and carbon fixing reactions work, but how can I prove this experimentally? Are

    asked on January 8, 2008
  69. Geometry

    Given b is the midpoint of AC. AB=6x+7 and BC is 18x-4 what is the length of AB BC AC

    asked on October 16, 2011
  70. Physics

    Diane rows a boat at 8.3 m/s directly across a river that flows at 5.6 m/s. (a) What is the resultant speed of the boat? m/s (b) If the stream is 250 m wide, how long will it take Diane to row across? s (c) How far downstream will Diane be

    asked on October 4, 2011
  71. Chemistry

    40 years ago, the first time a vehicle was driven over an extraterrestrial surface. The Soviet Lunokhod (moon walker) rover covered several miles on the moon, heated at night by a polonium-210 source, which undergoes an alpha decay to lead (Pb) yielding

    asked on December 6, 2010
  72. algebra

    identify the equation of the line through (-1,-4) and parallel to y=-6x+4 i got y=6x+10 Isn't the slope of the original line from y=-6x+4 equal to -6. Your solution has a slope of +6. Are those two lines parallel? i have to identify the equation of a line

    asked on December 14, 2006
  73. Chemistry

    How many grams of cesium chloride (CsCl) will be needed to make 750. mL of a 0.100 M CsCl aqueous solution? The formula mass of CsCl is 168.36 g/mol

    asked on June 5, 2016
  74. Geometry

    The Z company specializes in caring for zebras. They want to make a 3-dimensional "Z" to put in front of their company headquarters. The "Z" is 15 inches thick and the perimeter of the base is 390 inches. What is the lateral surface area of this "Z"?

    asked on March 12, 2013
  75. physics

    A harmonic wave is traveling along a rope. The oscillator that generates the wave com- pletes 46.0 vibrations in 26.5 s. A given crest of the wave travels 351 cm along the rope in a time period of 12.5 s. What is the wavelength? Answer in units of m

    asked on February 16, 2012
  76. science

    explain whether a blaok or a white sun umbrella would be better to use on a hot day.

    asked on February 17, 2009
  77. Chemistry

    When deciding upon which fuel source used to power a vechicle, engineers often use the heat released in combustion of differning fuels to make their decision. Would you use the heat released per mole of a hydrocarbon or the heat released per gram of a

    asked on September 29, 2007
  78. Chemistry

    A mixture of gases is made up 0.48 mol of Ar and 0.94 mol of N2 with a total pressure of 1.68 atm. What is the partial pressure of Ar?

    asked on March 4, 2014
  79. math

    1. If 96% of Chinese couples have one child (which is female 50% of the time), and the remaining 4% of Chinese couples engage in sex-selective abortion until they have a male child, what is the ratio of females per 100 males among the children (to the

    asked on March 18, 2013
  80. math150

    256x^8+30=31 how do i get rid of the x^8 (can someone show me the steps please)

    asked on January 20, 2013
  81. math

    the circumference of a circle is 4 inches. Find the radius and area..

    asked on November 30, 2012
  82. Physics

    A 4.40-kg model rocket is launched, shooting 53.0 g of burned fuel from its exhaust at an average velocity of 650 m/s. What is the velocity of the rocket after the fuel has burned? (Ignore effects of gravity and air resistance.)

    asked on November 10, 2011
  83. Accounting

    Why do you think the Accumulated Depreciation-Equipment has a zero on the trail balance section?

    asked on August 15, 2011
  84. math

    Perdict how many times the cube will land on the letter c if u toss the cube 30times ?

    asked on April 25, 2011
  85. math

    there are a group of ducks and goats there are 99 heads and legs among them there twice as many ducks than goats are many ducks and goats are there?

    asked on February 8, 2011
  86. History

    Hello can someone please help me with this question. 10. All of the following are correct about nineteenth century Liberalism EXCEPT: (Points: 5) having economic and political components. supporting the idea of civil rights. wanting to limit governmental

    asked on January 25, 2011
  87. Chemistry

    You use 11 ml of a 1M H2SO4 solution to titrate 6ml of ammonium hydroxide solution. What was the concentration of the ammonium hydroxide solution?

    asked on December 3, 2010
  88. 6th grade

    what are 2 sets of patterns that may not be part of visual arts ?

    asked on November 3, 2009
  89. business law

    Explain that distinction of "interactive-passive" test of jurisdiction.

    asked on August 30, 2009
  90. science

    you left a crayon in the window sill in the bright sunshine. It melted and is now a puddle of sticky wax. How have the properties of the crayon changed? Is this a physical or a chemical chamge? Give a reason for your answer.

    asked on February 17, 2009
  91. College Chem

    how do i figure out the percentage error , as well as the absolute error of a) (10.00+/- .02)mL x .42 mol/L b) (10.00 +/- .02)mL + (10.00 +/- .02)mL

    asked on January 16, 2009
  92. social psychology

    representation of violence in the media? Qualitative approach: Title- abstact brief summary of project - Introduction plus a research questionreview the relevant literature leading up to the research question- justify the use of your methodology.

    asked on March 29, 2008
  93. Science

    Right now I'm studying photosynthesis in Biology. We have to design an experiment that would prove how light reactions occur prior to carbon fixing reactions. I know how light and carbon fixing reactions work, but how can I prove this experimentally? Are

    asked on January 7, 2008
  94. Honoirs Algebra

    Hello - I am afreshman & honors algebra is kicking my butt - I need to simplify the following (-6c)(2-3c) can some on help

    asked on October 1, 2007
  95. AP Chemistry

    When deciding upon which fuel source used to power a vechicle, engineers often use the heat released in combustion of differning fuels to make their decision. Would you use the heat released per mole of a hydrocarbon or the heat released per gram of a

    asked on September 29, 2007
  96. Physics

    A 2.0kg siverware drawer become stuck, so the owner graually pulls with more and more force. When the applied force reaches 8.0N the drawer suddenly opens, throwing the utensils to the floor. Find the Coefficient fo static friction between the drawer and

    asked on September 25, 2007
  97. algebra

    Samantha has 34 coins in her pocket, all which are nickles and quarters. If the total value of her change is $3.90, how many nickles and quarters does she have?

    asked on May 5, 2017
  98. Chemistry

    What volume of 12.1 HCL (aq) is needed to prepare 250.0 mL of 1.00 M HCL (aq).

    asked on February 12, 2017
  99. Chemistry

    A 3.68 g sample of solid gold is heated from 24 ºC to 34 ºC. How much energy (in joules and calories) is required? Thank you!

    asked on March 7, 2014
  100. Healthcare

    Suggest an organizational strategy that you think would be effective for a health care organization. Recommend a key HIT tactic that would support the implementation of the strategy selected. Justify your response. •Analyze the role of a CEO or CIO in a

    asked on January 15, 2014

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