1. science

    The global water cycle provides renewable water, but a number of factors affect how much freshwater is available for human consumption. Describe these factors and circumstances. When do human interventions in water availability pose serious problems to

    asked by Anonymous on April 5, 2012
  2. science

    I'm having trouble with this homework question, I don't really trust sites like these but I don't have any other choice, so here it goes: The sound of speed in water(25 degrees Celsius) is traveling at 1,500m/s. How far can sound travel in water in 2.5

    asked by Bailey on February 1, 2011
  3. Science

    In an experiment, BEtsy dissolves 18 grams of powdered dye in 100 grams of pure water. The colored water is then heated on a hot plate, whenthe colored water evaporates completely, how much dye will be left?

    asked by Thalia on February 16, 2011
  4. calculus

    A trough is 12 feet long and 3 feet across at the top. It ends are isosceles triangles with a height of 3 feet. If water is being pumped into the trough at 2.5 cubic feet per minute, how fast is the water level rising when the water is 1 foot deep?

    asked by Kelsey on October 15, 2011
  5. physics

    A pump is installed in the basement of a 10-storey building in order to supply the occupants with water. Each storey is 3m high. How much pressure must the pump exert on the water so that the water reaches the 10th floor with a pressure of 400 kPa?

    asked by Jenna on September 1, 2010
  6. chem

    Suppose you have two 100-mL graduated cylinders. In each cylinder there is 40.0mL of water. You also have two cubes: one is lead, and the other is aluminum. Each cube measures 2.0cm on each side. After you carefully lower each cube into the water of its

    asked by k on September 1, 2014
  7. Chemistry

    What is the freezing point (°C) of a solution prepared by dissolving 11.3 g of Ca(NO3)2 in 115 g of water? The molal freezing point depression constant for water is 1.86°C/m. (Note that when Ca(NO3)2 dissolves in water Ca2+ and NO32- ions are produced).

    asked by Henry on May 25, 2012
  8. crossword help

    -a type of search that uses word with specific meanings -A combination of more than one search engine -Use this type of searching if you find nothing with a simple search

    asked by kim on May 14, 2011
  9. Physics

    A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage)

    asked by Chelsea on January 31, 2014
  10. physics30sh

    a 1000 kg car engine exerts a force of 3000 N while the car accelerates from 20 m/s to 30 m/s is 5.0 seconds. How much force of resistance does the car experience?

    asked by Michael on October 15, 2010
  11. Physics

    A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage)

    asked by Riley on February 3, 2014
  12. Physics

    A heat engine absorbs 126 kcal of heat and exhausts 77 kcal of heat in each cycle. Calculate the efficiency (as a percentage)

    asked by Chelsea on February 1, 2014
  13. HVAC

    Two HVAC technicians are discussing the properties of water.Technician A says that if the pressure of water is raised,the boiling point will decrease.Technician B says that placing water in a vacuum will cause its boiling point to increase.Which of the

    asked by simon on December 13, 2017
  14. Chemistry Science

    A piece of iron with a mass of 35 g is heated to 1305oC and then placed in a calorimeter containing 600 g of water. The temperature of the water increases from 25oc to 33oC. The specific heat of water is 4.184 J/g X C. Calculate the specific heat of the

    asked by vvfrn on May 27, 2012
  15. physics

    water and glass with refractive index of 1.5 are interfaced.if the incident ray are from the water makes an angle 60 degrees with the normal.find the direction of the reflected and refracted rays(given that refractive index of glass to water=1.33)

    asked by joe on November 25, 2015
  16. Biology { PLEASE HELP :D }

    From an ATP production viewpoint, use fact B to make a statement regarding the efficiency of fats vs. carbs. Fact b - Carbs bind and store water. The metabolism of water yields no ATP. Fat has no water bound to it.

    asked by Emily on March 25, 2013
  17. Physics

    A bucket is filled with a combination of water (density 1,000 kg/m3) and oil (density 700 kg/m3). These fluids do not mix. (The oil will float on top of the water.) If the layer of oil is 63 cm tall, what is the pressure at the interface between the oil

    asked by Sierra on July 25, 2012
  18. science

    Bess filled a syringe with water and left it by the sink in the sunshine. Ten minutes later she saw a puddle of water under the syring tip so she thought it was broken, but it wasnt. What do you think caused the little puddle of water to appear under the

    asked by Caroline on February 4, 2008
  19. physics

    A water balloon is dropped from the top of a building. Assume the balloon does not break when it strikes the ground. If the water balloon falls a distance of 21m, what is the maximum temperature rise of the water balloon due to it being dropped?

    asked by Maria on October 12, 2010
  20. chemistry

    A solution is prepared by adding 30.00 g of lactose (milk sugar) to 110.0 g of water at 55 °C. The vapor pressure of pure water at 55 °C is 118.0 torr. The MW of lactose is 342.3 g/mol. What is the partial pressure of water above the solution?

    asked by Anonymous on November 7, 2011
  21. Chem

    41. How much heat energy must you use to raise the temperature of 100 grams of water from 60C to 70C. Show your calculations. 42. You have a pot of 100C liquid water. If you add heat to the water, will the temperature start to raise at once? why or why

    asked by Sierra on September 15, 2014
  22. Algebra

    Owners of a recreation area are filling a small pond with water. They are adding water at a rate of 25 liters per minute. There are 700 liters in the pond to start. Let W represent the amount of water in the pond (in liters), and let T represent the number

    asked by Rachal on May 12, 2011
  23. Chemistry II

    The enthalpy of neutralizatino for the reaction of a strong acid with a strong base is -56 kJ/mol of water produced. How much energy will be released when 230.0 mL of 0.400 M HCl is mixedwith 150.5 mL of 0.500 M NaOH? How much water is produced in the

    asked by Jayd on May 20, 2007
  24. Algebra- I get 1 out of two parts

    Owners of a recreation area are filling a small pond with water. They are adding water at a rate of 25 liters per minute. There are 700 liters in the pond to start. Let W represent the amount of water in the pond (in liters), and let T represent the number

    asked by Rachal on May 11, 2011
  25. Physics

    A car accelerates a form an initial speed to higher final sped while the engine puts out constant power. During this time period, magnitude of the car's acceleration was .. a increasing b decresing c constant d unpredictable please explain why also.

    asked by Anonymous on February 11, 2017
  26. Physics

    A helicopter winches up an injured person from a boat. The person plus equipment has a mass of 104 kg. If the height of the lift is 84 m and it is carried out at a uniform rate over 70 s, what is the power expended by the helicopter's winch motor? Assume

    asked by Anonymous on March 25, 2012
  27. physics

    A truck in driving up the interstate with a constant velocity. Is work being done by a net external force acting on the truck? Justify answer. Why doesn't the work done by the engine pushing it forward make its kenetic energy increase?

    asked by Anonymous on June 30, 2012
  28. Physics

    A helicopter winches up an injured person from a boat. The person plus equipment has a mass of 104 kg. If the height of the lift is 84 m and it is carried out at a uniform rate over 70 s, what is the power expended by the helicopter's winch motor? Assume

    asked by Anonymous on March 25, 2012
  29. Chemistry 10

    The accelerator pedal in the car is pressed, resulting in a faster consumption of fuel in the engine. Now according to previous answers to this question the answers concentration but I do not understand how. I though concentration is the amount of a

    asked by Natasha on October 23, 2011
  30. Calculus 3

    Vectors The thrust of an airplane's engine produces a speed of 400 mph in still air. The wind velocity is given by . In what direction should the plane travel to fly due south? Give your answer as an angle from due south.

    asked by Anonymous on May 11, 2011
  31. math

    a certain company makes inflatable swimming pools that come in four rectangular sizes.the length of each pool is twice the width and twice the depth.the pools are 1 foot ,2 feet,3 feet and 4 feet deep.what is the area of the surface of tge water of each

    asked by bianca on April 11, 2011
  32. economic

    in the United States more than 50 firms produce textile, bur only 3 produce automobiles. This statistic shows that government antimonopoly policy has been applied more harshly to the textile industry than to the automobile industry. Can you give an

    asked by mlk007 on April 1, 2009
  33. Physics

    A fountain has a cylinder with holes placed on the side at heights of 1 m and 2 m. The water level is the cylinder is kept at a height of 3 m by an input type. The water emerges from the holes and strikes the fountain pool at some distance x. a. What

    asked by Alfred on February 6, 2011
  34. Physics

    an empty rd bottle weighs 60 grams but weighs 120 gram when completely filled with water when the bottle is completely with an unknown liquid it weighs 90 gram what will be the volume of the rd bottle

    asked by Rayan on July 19, 2016
  35. Calculus (Help please)

    A tank has the shape of an inverted circular cone with a base radius of 5 meters and a height of 20 meters. If water is being pumped into the tank at 2 cubic meters per minute, find the rate at which the water level is rising when the water is 7 meters

    asked by Jordan on January 9, 2012
  36. Math (Calculus)

    A tank has the shape of an inverted circular cone with a base radius of 5 meters and a height of 20 meters. If water is being pumped into the tank at 2 cubic meters per minute, find the rate at which the water level is rising when the water is 7 meters

    asked by Jordan on January 9, 2012
  37. science

    a 150g of a metal at 80degree C is placed in 100cm3 of pure water at 20degree C. the final temperature of the system (metal+water) is 23degree C. what is the specific heat of the metal? i got the ans -0.16 by using formula mCdelta T(water)=mCdeltaT(metal)

    asked by asra on April 9, 2012
  38. Math (Calculus)

    A tank has the shape of an inverted circular cone with a base radius of 5 meters and a height of 20 meters. If water is being pumped into the tank at 2 cubic meters per minute, find the rate at which the water level is rising when the water is 7 meters

    asked by Jordan on January 9, 2012
  39. Physics please help!!

    Suppose you pour water into a container until it reaches a depth of 30.2 cm. Next, you carefully pour in a 14.8 cm thickness of olive oil so that it floats on top of the water. What is the pressure at the bottom of the container? Assume 1000 kg/m3 and 901

    asked by Megan on March 16, 2011
  40. chemistry

    the enthalpy of fusion of ice is 6.02 kJ/mol. the heat capacity of liquid water is 75.4 J/molC. What is the smallest number of ice cubes at 0 degrees C each containing one mole of water, necessary to cool 500g of liquid water initially at 20.0 degree C to

    asked by el on May 24, 2011
  41. math 3

    Gwen pours 236 milliliters of water into Ravi's beaker. Henry pours 189 milliliters of water into Ravis beaker. Ravis beaker now contain 800 milliliters of water. How much water was in Ravis beaker to begin with? my answer is 375 is this correct?

    asked by bb love on February 11, 2015
  42. MATH help

    A box with no top is to be constructed from a piece of cardboard whose Width measures x inch and whose length measures 3 inch more than the width the box is to be formed by cutting squares that measure 1 inch on each side of the 4 corners and then folding

    asked by HM on September 18, 2011
  43. chem

    To what volume must a solution of 77.8 g H2SO4 in 479.8 mL of solution be diluted to give a 0.34 M solution? volume=_______L

    asked by sam on May 2, 2011
  44. chem

    The VoLume of a gas is 15.0 L when the temperature is 75.0°C. If the temperature is changed to standard temperature without changing the pressure, what is the new volume?

    asked by Anonymous on May 22, 2014
  45. Gas Laws

    What equation would I use to solve this problem: The volume of a balloon is 3.78 L at 22.8°C. The balloon is heated to 42.4°C. Calculate the new volume of the balloon.

    asked by Parkin on November 13, 2012
  46. Chemistry

    A sample of unknown metal has a mass of 36.7 g. This metal was placed in boiling water at 96.0oC until the metal had reached the temperature of the water. The metal was then placed in a foam cup with 50.0 g of water in it at 20.0oC. The cup absorbs 42.0

    asked by katie on November 10, 2013
  47. Chemistry 101

    If a piece of granite weighing 250.0 grams is heated in boiling water to a temperature of 100 C and then placed in a calorimeter containing 400.00 grams of water, the temperature of the water increases from 20.0 C to 28.5 C. what is the specific heat of

    asked by Lilly on February 10, 2016
  48. physics

    Bottled water costs $0.55 for a 0.5 liter bottle. What would it cost to fill a bathtub with bottled water. The bathtub holds 7.13 cubic feet of water. (Recall that 1.00 inch = 2.54 cm, and that a liter is exactly 1000 cm3).

    asked by tyler on August 21, 2012
  49. Chem 111

    A cylindrical tank measuring 6.00 feet in diameter and 17 feet, 6 inches, in length is filled with room temperature water. How many kilograms and pounds does the water weight? The density of room temperature water is 1.00 g/mL.

    asked by mike on January 6, 2017
  50. chemistry 116

    A 36.0 g piece of copper at 130.0 C is placed in 50.0 g of water at 20.0 C. What is the temperature (in C) of the water once the system reaches equilibrium? The molar heat capacity of copper is 24.5 J/(mol·K). The specific heat capacity of water is 4.18

    asked by danny on January 27, 2015
  51. chemistry

    Water is amphoteric (can act as an acid or a base). a. Complete the chemical equation that shows water acting as a base. H2O + HCl ⇋ Cl- + H3O+ b. In this reaction, what is the conjugate acid of water? H3O+

    asked by krystal on February 26, 2012
  52. About Chemistry

    The vapor pressure of pure water at 25 °C is 23.8 torr. Determine the vapor pressure (torr) of water at 25 °C above a solution prepared by dissolving 35 g of urea (a nonvolatile, non-electrolyte, MW = 60.0 g/mol) in 75 g of water. im not sure about the

    asked by BEN on September 15, 2010
  53. Math

    Math Question = an aquarium holds 6 and 1/4 gallons of water. the water level dropped to 4/5 of this amount .how much water should be added to fill the aquarium Above is my son's math question and we can't figure out how to solve it. The possible answers

    asked by Suzanne on September 16, 2013
  54. Chemistry 1111

    To determine the molarity of NaOH solution, student took 3.5 g of KHP (KHP – Potassium hydrogen phthalate; Molar mass = 204.22 g/mol) and dissolved in 50 mL of water and titrated with the given unknown molarity NaOH solution loaded in burette. His

    asked by Lowell on July 5, 2016
  55. Physics

    Satna has delivered gifts to the good Atlatean children. Now his erindeer need to lift him out of the ocean. The density of ocean water is 1.025 g/cm^3 . Sant'as sled has a mass of 337 kg. Santa has a mass of 104 kg. Their combined volume .39 m^3. How hard

    asked by Kate on January 5, 2010
  56. Damon check step by step

    25g of a sample of ferrous sulphate was dissolved in water containing dilute h2s04 and the volume made up to one litre. 25ml of this solution required 20ml of N/10 kmn04 solution for complete oxidation. Calculate the percentage of f2s047h20 in the sample

    asked by Fai on January 2, 2014
  57. Science

    A 1 420kg car coasts in neutral down a 2.0 degrees hill. The car attains a terminal velocity of 24.3 meters per second. How much power must the engine deliver to drive the car on a level road at 24.3 meters per second?

    asked by Lionel on April 11, 2016
  58. physics

    A model rocket is launched from rest with an upward acceleration of 5.50 m/s^2 and, due to a strong wind, a horizontal acceleration of 1.50m/s^2 . How far is the rocket from the launch pad 7.20 later when the rocket engine runs out of fuel?

    asked by katelin on September 24, 2012
  59. Chemistry, acids and bases

    (a) Find pH and pOH of 1.0 M solution of sodium benzoate, NaC6H5COO. (Ka of benzoic acid is 6.2x10^-5) (b) Calculate pH after 0.205 moles per liter of HCl was added (assume volume does not change (c) Calculate pH after 1.0 moles per liter of HCl was added

    asked by Marissa on May 6, 2008
  60. chemistry

    Water softeners often replace calcium ions in hard water with sodium ions. Since sodium compounds are soluble, the presence of sodium ions in water does not cause the white, scaly residues caused by calcium ions. However, calcium is more beneficial to

    asked by M on January 25, 2010
  61. SCIENCE

    Craig sees a glass with ice tea sitting on the table. He notices that there is a great deal of moisture on the outside of the glass and a puddle of water on the table. He asks his family what they think causes the water to form on the outside of the glass.

    asked by Jaime on October 20, 2011
  62. calculus

    from a cardboard box 12 in by 8 inches are cut out so the sides can be folded up to make a box . What dimentions will yield a maximum volume? What is maximum volume? we got our V = 4x^3--40x^2+96x V'=12x^2-80x +96 then we know to use quadratic equation I

    asked by kim on May 7, 2017
  63. Chemistry

    4. During a practical exercise, you find out that you need to adjust the pH of a strong acidic solution of volume 5.6 litres from 4.52 to 5.25 (i) What would you add, OH- or H3O+ to adjust the pH? Explain your answer. (ii) Assuming that there is a

    asked by Edwards on August 3, 2011
  64. chemistry

    Ni+4CO=NI(CO)4 this reaction separates nickel from other solid impurities.Starting with 86.4g NI,calculte the pressure of NI(CO)4 in a container of volume To Drbobb222, after using the formular u gave. PV=nRT moles for NI(CO)4 is 171 and the volume is 4,

    asked by silly on November 28, 2010
  65. Math

    A cone with base diameter of 60m and height of 45m is given. For the volume calculation purposes of the cone, it is approximated via an inscribed regular decagonal pyramid (number of base edges is ten). Find the percent error of this volume

    asked by Sophia on November 29, 2018
  66. chemistry

    Hi, I really need help with my lab report because Im completely stuck. Its about the Ideal Gas behaviour. I am given the mass of Nano2 (0.5044g) the temperature of n2 gas (21.2 C) the temperature of water (21.9 C) the volume of n2 (186.1 ml) and the

    asked by Tamara on October 18, 2011
  67. Physics

    The mass of the float is 50.0 kh and it has a volume of 1.0 m^3.det ermine the density of the float and the tension on the rope. You may assume g=10N/kg. So I know that mfloat = 50.0kg weight of float = 50.0 x 10 = 500N Vfloat = 1.0 m^3 density of Sea

    asked by Herbert on October 5, 2013
  68. chemistry

    Bill finds an unusual object and wishes to calculate it's density. He discovers a problem of accurately weighing it, because it won't stay on the weighing pan. To solve this he adds the object to a beaker containing 161 mL of distilled water and finds the

    asked by Sam on September 7, 2009
  69. Chemistry

    The volume of a sphere is given by V=(4/3)3.14r^3, where r is the radius. Compute the volume of a sphere with a radius of 329pm. state your answer in units of m^3.

    asked by Cain on January 29, 2014
  70. chemistry

    A sample of oxygen at room temperature occupies a volume of 500. L at 1.75 atm. What would be the volume of this gas at 2.50 atm at the same temperature?

    asked by Leeya on April 9, 2014
  71. geometry

    A rectangular prism has a volume of 250 cubic cm.What would the volume be if one dimension stayed the same, a second dimension was three times as long, and the third was twice as long?

    asked by andrew on May 23, 2013
  72. Math

    if the length of a rectangular pyramid is made seven times longer, how many times the volume of the original figure is the volume of the new figure?

    asked by Eliza on February 15, 2012
  73. Chemistry

    A gas has a volume of 50.0 cm3 at a temperature of -73°C. What volume would the gas occupy at a temperature of -123°C if the pressure stays constant

    asked by Richard on June 12, 2011
  74. chemistry

    In a titration, 25.0 mL of KHP is titrated to the equivalence point with NaOH. The final solution volume is 45.5 mL. What was the volume of NaOH used in the titration? 25.0 mL 20.5 mL 70.5 mL 45.5 mL

    asked by yuliette on June 11, 2016
  75. Chem

    A gas at a pressure of 1 atm, a volume of 1 , and a temperature of 25 C. What would happen to the pressure if the volume were reduced to 0.5 and the temperature increased to 250 C ?

    asked by bob on February 27, 2010
  76. chemistry

    A gas at a temperature of 600C and 1ATM has a volume of 120 L. So what is the volume of the gas at a temperature of 400C at a constant pressure ?

    asked by bruge on January 26, 2016
  77. Physics

    A container of gas is at a pressure of 1.3x10^5 Pa and a volume of 6.0m^3. How much work is done by the gas if it expands at constant pressure to twice its initial volume? Please help ;_;

    asked by IDK on April 27, 2016
  78. geometry

    45. Find the similarity ratio of a cube with a volume 512 m3 to a cube with volume 3,375 m3. (1 point) 8 : 15 64 : 225 15 : 8 225 : 64

    asked by Patrick on June 10, 2013
  79. algebra

    Since the purpose of an ice cube is to keep a drink cold, is it better for an ice cube to have a high volume or a low volume? Why? plz help f !!!

    asked by chil on March 10, 2016
  80. chemistry

    A gas at a temperature of 600C and 1ATM has a volume of 120 L. So what is the volume of the gas at a temperature of 400C at a constant pressure ?

    asked by bruge on January 25, 2016
  81. physics

    The volume of a gas is 2.6 L and its temperature is 338 K . If the volume of the container were changed to 3.2 L, what temperature would the gas be? (All other values remain constant.)

    asked by jwayne on April 10, 2012
  82. geometry

    two smaller prisms have heights 2' and 10'. If the volume of the smaller prism is 32 cubic feet, find the volume of the larger prism.

    asked by Bill on June 4, 2011
  83. College Physics

    A monatomic ideal gas is compressed adiabatically from a pressure of 1.39 105 Pa and volume of 260 L to a volume of 39.0 L. What is the new pressure of the gas?

    asked by John on December 6, 2011
  84. math

    smallest golf ball has a volume of 2.48 cubic inches. If the diameter is increased bt a factor of 1.1 what will the volume of the golf ball be?

    asked by Kory on March 4, 2013
  85. chemistry

    On passing 2 litres of a mixture of CO and CO2 over red hot charcoal, the volume becomes 2.5 litres. The volume fraction of Co in the mixture is

    asked by selvi on April 21, 2010
  86. chemistry

    a sample of gas has a volume of 6.00L at 20.0 degrees celcius . what will be its volume at 40.0 degrees celcius pressure remaining constant

    asked by monica on April 3, 2011
  87. MATHS MONGU COLLEGE

    A cylinder whose volume is 386,000m3 has it's length 1.3 times its diameter. calculate the diameter of the cylinder given that the volume V = 3.142r2h.

    asked by barotseland network on February 27, 2013
  88. Math

    A rectangular solid has a volume of 40 cubic centimeters. If the dimensions are all reduced to 1/2 their original size, what will be the new volume of the rectangular solid?

    asked by Ash on April 23, 2013
  89. physics

    A cube with a mass of 40 g is made from a metal with a density of 6 g/cm3. What is the volume of the cube and the length of each edge? ----volume cm^3 -----length cm^3

    asked by Beth on November 5, 2016
  90. chemistry

    a sample of hydrogen occupies a volume of 950 mL at -15.3 degrees celcius. if the temperature increased to 30.0 degrees celcius, what would be the new volume?

    asked by Colby on December 8, 2011
  91. chemistry

    A gas has a volume of 50.0 cm3 at a temperature of -73°C. What volume would the gas occupy at a temperature of -123°C if the pressure stays constant?

    asked by devin on April 23, 2012
  92. chemistry

    A balloon contains 0.126mol of gas and has a volume of 2.78L. If an additional 7.0×10−2mol of gas is added to the balloon, what will its final volume be?

    asked by Anon on October 31, 2014
  93. Chemistry

    A sample of gas at 47°C and 1.03 atm occupies a volume of 2.20L. What volume would this gas occupy at 107°C and 0.789 atm?

    asked by Citlali Diaz on February 20, 2018
  94. Chemistry

    A gas sample has an initial volume of 4.5 liters at a pressure of 731 mmHg. If the volume is increased to 8.9 liters, what is the pressure?

    asked by B on April 8, 2012
  95. chem

    A gas has a volume of 4.40L at 0∘C. What final temperature, in degrees Celsius, is needed to change the volume of the gas to each of the following, if P and n do not change?

    asked by Anonymous on July 17, 2013
  96. chemistry - vapor pressure

    the vapor pressure of pure water at 25C is 23.8 torr. determine the vapor pressure (torr) of water at 25 C above a solution prepared by dissolving 35g of urea (a nonvolatile, non-electrolyte, MW = 60.0G/MOL) IN 76G of water. answer:21 i just want to know

    asked by billy on September 13, 2010
  97. Calculus

    A large container has the shape of a frustum of a cone with top radius 5m, bottom radius 3m, height 12m. The container is being filled with water at the constant rate of 3.9 m^3/min. At what rate is the level of water rising at the instant the water 9 m

    asked by lilia on November 8, 2014
  98. Physics

    Hey, it's me again, Can someone help me with this question? A water balloon is dropped from the top of a building. Assume the balloon does not break when it strikes the ground. If the water balloon falls a distance of 21m, what is the maximum temperature

    asked by Josh on June 28, 2011
  99. Calculus

    A large container has the shape of a frustum of a cone with top radius 5 m, bottom radius 3m, and height 12m. The container is being filled with water at the constant rate 4.9 m^3/min. At what rate is the level of water rising at the instant the water is 2

    asked by Jennifer on November 7, 2014
  100. Chem

    Compare and contrast the rate at which a sugar cube in cold water and granulated sugar in warm water would dissolve. Include how surface area and the temperature of the water might affect the rate at which each dissolves. Create a statement about which

    asked by Anonymous on May 11, 2010