1. chem/math

    How much heat would be required to warm Earth¡¯s oceans by 1.0 ¡ãC? Assume that the volume of Earth¡¯s oceans is 137 x ¡¼10¡½^7 ¡¼km¡½^3 and that the density of sea water is 1.03 g/cm3. Also assume that the heat capacity of seawater is the

    asked by marie on January 25, 2011
  2. Chemistry

    When a person got onto an airplane, she brought with her a half-full 1.0000 L aluminum water bottle that was closed inside the airport at standard pressure and a temperature of 26.000 C. After the plane takes off and climbs to 36,000. feet, the cabin

    asked by anon on March 6, 2017
  3. Chemistry

    Determine the concentration of Mg2+ (in mmol/L) in the unknown solution (Note: details and additional information to solve the problem are provided in your lab manual): Mass of EDTA: 0.606 g Volume of EDTA used in titration (step 1): 10.48 mL Volume of

    asked by Johnathan on March 15, 2010
  4. Science

    Answer with solution, plz. 1. What is the concentration of the solution by volume when dissolved is used 30 grams & the water is 60 grams. 2. How much solvent in grams is present in a solution with a concentration by volume of 40% the solute of content is

    asked by Rachel on October 3, 2016
  5. Physics Fluids

    When a block of volume 1.00 × 10–3 m3 is hung from a spring scale, the scale reads 10.0 N. When the same block is then placed in an unknown liquid, it floats with 2/3 of its volume submerged. The density of water is 1.00 × 103 kg/m^3. Determine the

    asked by Drew on April 6, 2015
  6. Chemistry

    An aqueous solution of ethyl alcohol is made by transfering 1.32 mL of liquid ethyl alcohol to a 50.0 mL volumetric flask, and then adding enough water to fill the flask to the mark. What is the volume/volume percentage of ethyl alcohol in the solution?

    asked by Sasha on March 27, 2017
  7. science & technology

    when a body immersed in water from spring balance and shows 100gm weight loss. what is the weight of the body in water? 2)what is the weight of the body in air? 3)what is the upthurst on the body? 4) what is the volume of the body? give reason

    asked by devtanu on January 27, 2016
  8. Chemistry

    Concentrated sulfuric acid is 18.4 molar and has a density of 1.84 grams per milliliter. After dilution with water to 5.20 molar the solution has a density of 1.38 grams per milliliter. This concentration of H2SO4 is often used in lead storage

    asked by Kevin on January 10, 2011
  9. Math

    Find the volume of water required to fill a pool with a diameter of 6m and a height of 2m. Keep in mind that the water must travel through a hose before it goes into the pool. Assume the hose is a perfect cylinder. The length of the hose is 8m and the

    asked by Travis on December 14, 2015
  10. physics

    a piece of wood 50 cm long , 20 cm wide, 40 cm thick. its density is 0.6 g cm^3. this is connected to a string with negligible mass attached to a piece of lead. what is the mass of the lead and what volume underneath is needed to sink the wood in calm

    asked by romeo on September 22, 2012
  11. Science

    What is the mass of an automobile that weighs 9800 N

    asked by Everett on January 19, 2012
  12. social

    what is the name of the publication of the American automobile assocation?

    asked by j on January 9, 2008
  13. measurement

    peter uses an eyedroper to put 5 dropsof coloring into a glass of water?what volume of food coloring does peter put in to water?

    asked by jhon123 on January 13, 2009
  14. chemistry

    Hi Cna someone please tell me what I must out into the Trial 1 column? It would be greatly appreciated. theLab: Determining the Ksp For Ca(OH)2 Purpose: The purpose of this experiment is to determine the Ksp for calcium hydroxide. Experimental Design: A

    asked by Jessica on April 1, 2008
  15. 3rd homework

    the water cycle lesson 2 how water changes and moves 1. ____________ water changes from a __________ to a _________________ 2. ____________ water changes from a _________ to a ________________ 3. _________________ Liquid water falls to the ground as

    asked by choconcung on October 27, 2010
  16. APR Problem

    After visiting several automobile dealerships, Richard selects the car he wants. He likes its $11,000 price, but financing through the dealer is no bargain. He has $2,200 cash for a down payment, so he needs an $8,800 loan. In shopping at several banks for

    asked by MM on March 9, 2017
  17. Substitution and Income Effects

    Managers are very interested in how a consumer makes a choice among alternatives. In this exercise, we ask you to consider the amount of money you spend purchasing gasoline to operate your automobile for a month and any alternatives available to you

    asked by raja on October 15, 2010
  18. chemistry

    When a volume of H2 reacts with an equal volume of Cl2 (assume you have 1 L of each) at the same temperature and pressure, what volume of product having the formula HCl is formed? Question 4 answers

    asked by Anonymous on January 10, 2011
  19. chem

    the volume of 0.220 mol of an ideal gas at 34°C is increased isothermally from an initial volume of 12.0 L. If the final volume is 21.5 L, calculate the entropy change for the process.

    asked by hannah on April 2, 2013
  20. chemistry

    I have to prepare a 0.2% water solution of n-propanol and a water solution of methanol and isopropanol at 0.2% that can be in the same container. It didn't specify but I'm pretty sure the solutions are v/v%. For the n-propanol a 0.2% solution should just

    asked by making solutions on February 3, 2014
  21. Physics

    When working with the properties of Saturated Steam. The pressure table supplied states: Pressure kPa = 1100 (P) Temp in Celsius = 184.09 (T) Specific Volume = Sat. Liquid = 1.1330 (Vf) Specific Volume = Sat.Vapor = 177.53 (Vg) Enthalpy = Saturated Liquid

    asked by Danny on July 21, 2013
  22. Science

    A)Could you add marbles to a beaker filled with sand and get the same results? B)How does the Particle theory model explain that a substance can be solid while having spaces between its particles? C)Why does 50 ml of water and 5oml of sugar NOT produce 100

    asked by Harmony Ann on February 25, 2014
  23. chem

    A sample containing 6.40 g O2 gas has a volume of 15.0 L. Pressure and temperature remain constant. a. What is the new volume if 0.600 mole O2 gas is added? b. Oxygen is released until the volume is 12.0L. How many moles of O2 are removed? c. What is the

    asked by tracy on November 1, 2012
  24. Physics

    Poiseuille’s equation relates the volumetric flow rate Q (volume per time unit) to the pressure differential ΔP that drives the flow: Q = (πr^4)/(8η) x (ΔP/L) Here η is the viscosity of the fluid and the tube has length L and radius r. A fire

    asked by Jamie on December 3, 2016
  25. Calculus

    Two full 48-gallon tanks begin draining at t = 0. Tank Alpha's volume is changing at a constant rate of -16/5 gal/min. The rate at which Tank Bravo's volume is changing is given by r(t)=-1/3t-1 gal/min. a) How much water is in each tank after 5 minutes? b)

    asked by Tyler on April 7, 2014
  26. 9th Grade Math

    Naulluq is cutting ice blocks from the lake for her mothers drinking water tank. The cylindrical tank has a volume of 4x^2π. Once each block has melted, it will have a volume of 3x^2. How many blocks does she need to cut so that her mothers tank will be

    asked by Troy on February 11, 2015
  27. Physics

    Please help. To cool a hot bath containing 50L of water at 50 degrees Celsius down to 20degrees Celsius, what volume of cold water at 5 degrees Celsius would be needed? (in litres) and what mass of ice at 0 degrees celcius would be needed? i'm thinking

    asked by Anonymous on June 23, 2015
  28. calculus

    water is poured into a conical paper cup so that the height increases at the constant rate of 1 inch per second. if the cup is 6 inches tall and its top has a radius of 2 inches, how fast is the volume of water in the cup increasing when the height is 3

    asked by rachel on October 16, 2011
  29. chem

    the volume of a certain bacterial cell is 1.39um^3. what is its volume in mm^3? what is the volume of exactly 1e4 cells in liters

    asked by jasmine on September 8, 2014
  30. Chemistry-gases

    Nitrogen dioxide reacts with water and oxygen in the atmosphere to produce acid rain. 4NO2(g) + 2H2O(g) + O2(g) = 4HNO3(g) Assuming that the temperature and the pressure remain constant, calculate the volume of air at 1 atm, 20 C, necessary to dilute the

    asked by Rose Bud on March 2, 2012
  31. Chemistry-gases

    Nitrogen dioxide reacts with water and oxygen in the atmosphere to produce acid rain. 4NO2(g) + 2H2O(g) + O2(g) = 4HNO3(g) Assuming that the temperature and the pressure remain constant, calculate the volume of air at 1 atm, 20 C, necessary to dilute the

    asked by Rose Bud on March 2, 2012
  32. physics

    . Ethyl alcohol has been added to 160 mL of water in a container that has a mass of 130 g when empty. The resulting container and liquid mixture has a mass of 510 g .What volume of alcohol was added to the water? (in mL)

    asked by Sandhya on December 5, 2008
  33. physics

    Ethyl alcohol has been added to 190 {\rm mL} of water in a container that has a mass of 140 {\rm g} when empty. The resulting container and liquid mixture has a mass of 450 {\rm g}. What volume of alcohol was added to the water?

    asked by Anonymous on December 5, 2011
  34. Chemistry

    What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 13.7 L of water to produce an antifreeze solution with a freezing point of -30.0¡ÆC? (The density of ethylene glycol is 1.11 g/cm3, and the density of water is 1.00 g/cm3.)

    asked by fdqed on November 24, 2009
  35. Chemistry.

    What volume of ethylene glycol (C2H6O2), a nonelectrolyte, must be added to 13.7 L of water to produce an antifreeze solution with a freezing point of -30.0¡ÆC? (The density of ethylene glycol is 1.11 g/cm3, and the density of water is 1.00 g/cm3.)

    asked by ? on November 23, 2009
  36. vrije universiteit

    Harley Davidson has its engine assembly plant in Milwaukee and its motorcycle assembly plant in Pennsylvania. Engines are transported between the two plants using trucks. Each truck trip costs $1,800. The motorcycle plant assembles and sells 3200

    asked by emal on March 5, 2016
  37. CHEMISTRY

    An ethanol-water solution is prepared by dissolving 10.00 ml ethanol C2H5OH (density=0.789g/ml) in sufficient water to produce 100.00 ml of solution with a density of 0.982g/ml. What is the concentration of ethanol in this solution? Expressed as ml.

    asked by ADRIAN on November 13, 2013
  38. Chemistry

    A vessel of 9.49 L in volume contains 3.37 L of pure water at 25¡ÆC. A partial pressure of 4.73 atm of CO2 is quickly injected into the space above the water. Calculate the partial pressure of carbon dioxide remaining once the solution has become

    asked by Sally on February 2, 2007
  39. Chemistry

    A vessel of 9.49 L in volume contains 3.37 L of pure water at 25¡ÆC. A partial pressure of 4.73 atm of CO2 is quickly injected into the space above the water. Calculate the partial pressure of carbon dioxide remaining once the solution has become

    asked by Sally on February 2, 2007
  40. ME

    Problem 3: Consider water as the substance. (a) Find the specific internal energy (Btu/lbm) when T = 500F and P = 375 psia (b) Find the pressure (psia) when T = 500F and v = 0.02024 ft3/lbm (c) Find the specific volume (ft3/lbm) when T = 500F and

    asked by sara on September 19, 2015
  41. science

    You freeze 92g of water, and it becomes a cube of ice. a. What is the mass of the ice cube? b. The cube's volume os 100cm3. What is it's density? c. Will the ice cube float or sink in water?

    asked by Max on December 7, 2012
  42. chemistry

    A student determined the chloride content of a commercial salt by using the Mohr method. A 0.5324 -g sample of the salt was dissolved in distilled water and diluted to a final volume of 250. mL. A 25.-mL aliquot of the analyte solution was then titrated

    asked by tara on April 4, 2011
  43. chemistry

    what volume of water at 4 degrees Celsius can be held in a cube whose edge is 3.0cm long?

    asked by the yavull on February 1, 2011
  44. Chemistry 2

    If a gaseous sample contains 74% N2 by volume, what is the solubility of N2 in water at 25°C and 1.0 atm (kH in H2O at 25°C = 7.0 10-4 mol/Latm)?

    asked by Priya on February 12, 2015
  45. ap chemistry

    What volume of H2(g) and O2(g) is produced by electrolyzing water at a current of 4.00 A for 12.0 minutes (assuming ideal conditions)?

    asked by Anonymous on May 21, 2015
  46. Chemistry

    To make the following saline solution(375ml 0.5%w/v sodium chloride) what would you weight out? what volume of water would you use?

    asked by Danny on October 22, 2010
  47. Chemistry

    How do you calculate the heat fusion of ice? I have the initial and final temperatures and volume of the water.

    asked by Becky on April 27, 2011
  48. Chemistry

    If a 29.9 g sample of the liquid cyclohexane has a volume of 38.6 mL, what is the specific gravity of the compound? Take the density of water to be 1.00 g/mL.

    asked by Abby on August 30, 2016
  49. chemistry

    the molarity of a solution composed of 25.4g KHCO3 diluted with water to a total volume of 200 mL

    asked by Colin on October 19, 2011
  50. SPR,PHYSICS

    A block of wood floats in water with two-Third of its volume submerged its relative density is equal to?

    asked by vianychandra on October 30, 2015
  51. Chemistry

    If 500.0 mL of hydrogen are collected over water at 20.0 C and 99.3 kPa what will the volume of the dry gas be at STP?

    asked by Christian on May 13, 2007
  52. chemistry

    If 500.0 mL of hydrogen are collected over water at 20.0 C and 99.3 kPa what will the volume of the dry gas be at STP?

    asked by Anonymous on May 23, 2012
  53. chemistry *Dr.Bob222

    Why do firefighters recommend the use of a deluging volume of water when extinguishing an oxidizer-supported fire?

    asked by Cameron on December 23, 2012
  54. math

    Two liters of water has a volume of __________ cubic centimeters and a mass of ________ kilograms.

    asked by Elisabeth on January 7, 2011
  55. Chemistry

    When you have 50ml of a 0.25M solution of KI in water. What should the final volume be is you want to reduce the concentration to .10M

    asked by EFonts on October 28, 2014
  56. chemistry

    What volume of water should be added to 50 ml of HNO3 having specific gravity 1.5g ml-1 and 63.0%by weight to have one molar solution

    asked by adarsh on June 13, 2015
  57. chemistry

    How many grams of sucrose would you dissolve in water for a total volume of 500mL to make a 5% solution?

    asked by jami on January 20, 2010
  58. Gr.7 - math

    4. The dimensions of a king-size waterbed are 2.1m, 1.8m, and 23 cm. Find the volume and mass of the water it contains when full.

    asked by Colin on January 5, 2010
  59. Chemistry

    The volume of 18 molar concentrated H2SO4 that must be diluted with distilled water to prepare 10 liters

    asked by Angel Kenkpen on June 27, 2016
  60. Chemistry II

    What is the molarity of a solution in which 13.7 g of calcium chloride is dissolved in water to a final volume of 750.0 mL?

    asked by Michelle on September 1, 2009
  61. Physics

    A cube of ice, 28 cm on each side,is melted into a measuring cup. What is the volume of the liquid water -------cm^3

    asked by Beth on November 6, 2016
  62. physics

    A body of mass 10kg in air and 4kg in water calculate the volume and its density

    asked by abigail on January 21, 2014
  63. chemistry

    What volume of 16 M nitric acid must be diluted with distilled water to prepare 500.0 mL of 0.50 M HNO3?

    asked by tiffany on August 2, 2009
  64. chemistry

    1. To make the following saline solution (375ml 0.5% w/v sodium chloride) what would you weigh out? What volume of water would you use?

    asked by sanam on November 13, 2012
  65. AP Chemistry

    Consider 67.0 mL of a solution of weak acid HA (Ka = 1.00 10-6), which has a pH of 4.500. What volume of water must be added to make the pH = 5.000?

    asked by Bill on February 8, 2012
  66. science

    1 gram water is converted into vapour at100 degree C find volume change

    asked by ajay on September 1, 2012
  67. Chemistry

    Consider 57.5 mL of a solution of weak acid HA (Ka = 1.00 10-6), which has a pH of 3.800. What volume of water must be added to make the pH = 6.000?

    asked by Brian on February 16, 2009
  68. Chemistry

    Calculate the volume of hydrogen, in L, produced when 12.15 g of magnesium react completely with water. Assume S..T.P.

    asked by Carlene on September 18, 2013
  69. Biochemistry

    Which of the following is the correct pH of a 211.7 mL solution (final volume) of pure water after 52.3 mL of 1.00 mM HCl was added?

    asked by Rich on September 18, 2013
  70. Orgo lab 1

    how to determine composition of methanol-water from fractional distillation graph of temp/volume?

    asked by Lola on June 13, 2011
  71. Science

    What is the best unit for measuring each volume? mL= milliliters L= liters a. Amount of soda in 1 can: mL or L b. Water in a bathtub: mL or L

    asked by Sonic on September 2, 2007
  72. math

    In a shower 5cm of a rain falls. Find the volume of water on 2 hectares of land.

    asked by rajesh on December 6, 2015
  73. math

    Two liters of water has a volume of ______ cubic centimeters and a mass of _______ kilograms.

    asked by Elisabeth on January 7, 2011
  74. Physics

    Your friend of mass 150 can just barely float in fresh water. Find her volume.

    asked by Kathy on January 25, 2013
  75. Chemistry

    I was just wanting to make sure I did these right. How many grams of solute are in each of the following solutions? a.) 2.5 L of 3.0 M Al(NO3)3 solution. for this one I get 1600 g of Al(NO3)3 b.) 75 ml of 0.5 M C6H12O6 solution. and for this one I get 6.8g

    asked by Carrie on November 29, 2010
  76. Chem

    What is the PH range between 58 grams and 87 grams of Sodium Hydroxide in 6 oz by volume of water. What is the PH range of that amount of Sodium Hydroxide in 8 oz of water. I need this information to learn to make soap using wood ash.

    asked by Jeff on February 28, 2011
  77. ALGEBRA

    The Greek God Zeus ordered his blacksmith Hephaestus to create a perpetual water-making machine to fill Zeus' mighty chalice. The volume of Zeus' chalice was reported to hold about one hundred and fifty sextillion gallons (that is a fifteen followed by

    asked by Randy on April 16, 2012
  78. Algebra-right question for Jai

    In a right triangular prism, the legs of the base are each doubled, and the height is reduced by half. How does the new volume compare to the original volume of the same prism? A.the new volume will be 1/2 as big as the original B.the new volume will be

    asked by Mary on May 15, 2011
  79. physics

    a raft is consttructed of wood having a density of 6000kg/m3. the surface area of the bottom of the raft is 5.7m2, and the volume of the raft is .60m3. when the raft is placed in fressh water having a density of 1000kg/m3, how deep is the bottom of the

    asked by ricki on February 14, 2011
  80. physics

    A raft is constructed of wood havig a density of 600kg/m^3. The surface area of the bottom of the raft is 5.7m^2 and the volume of the raft is .60m^3. When the raft is placed in fresh water having a density of 1000kg/m^3, how deep is the bottom of the raft

    asked by Kayle on February 2, 2012
  81. PHYSICS NEED HELP FAST

    a raft is consttructed of wood having a density of 6000kg/m3. the surface area of the bottom of the raft is 5.7m2, and the volume of the raft is .60m3. when the raft is placed in fressh water having a density of 1000kg/m3, how deep is the bottom of the

    asked by ricki on February 13, 2011
  82. Science

    Which of the following is NOT true about the blank for the experiment, 'Analysis of a Complex Iron Salt'? A. A blank is composed of the solvent used to dissolve the analyte. For this experiment, the solvent is a combination of sulfuric acid, phosphoric

    asked by John on April 27, 2008
  83. Physical Science

    Two identical beakers are both half filled with a liquid. Beaker A contains water and Beaker B contains a liquid that is denser than water. Which of the following is FALSE? a. The pressure at the bottom of Beaker B is greater than that at the bottom of

    asked by Ariel on March 21, 2012
  84. physics hey bob

    you help me solve this problem. but how am i suppose to if i don't know the mass of the car? on a level road the stopping distance for an automobile is 35.0m for an initail speed of 90 km/hr what is the stopping distance of the same automobile on a simalr

    asked by anthony on November 1, 2010
  85. Maths

    The ratio of the volume of water in Jug A to the volume of water in Jug B is 2:5. A.) If half of the water in Jug A is poured into Jug B, what is the new ratio of the volumes of water in Jug A to Jug B? B.) If half of the water in Jug B is poured into Jug

    asked by Zayn on September 30, 2012
  86. Science

    What are 3 reasons why salad dressing is a chemical suspension? Some of the liquid ingredients don't dissove in one another. That is why the dressing has to be shaken to blend together Some of the ingredients are solid spices or bits of cheese that do not

    asked by Abby on November 27, 2006
  87. physics

    An object floats with half of its volume beneath the surface of the water. The weight of the displaced water is 2000N. What is the weight of the object? I'm confused by this problem. How would I go about solving this? My guess would be that the weight of

    asked by Tammy on December 3, 2007
  88. Math

    A engine for a car can be manufactured in a factory every 35 minutes. The factory starts production at 8:45 and stops at 16:55. (i) Find the number of engines that can be produced in a single working day. After a refit of the factory, an engine can be

    asked by Vanessa on September 6, 2017
  89. CHM Lab

    Calibration of a 50 ml buret (10 ml,15 ml,20ml, 25 ml,30ml,35ml,40ml,45ml,50ml)(repeated the procedure 3 times) for experimental ; i have observed vol(ml) , temp.C ,for true i have mass(g), true vol. ml and for calibration i found error ml /correction

    asked by Jesi on September 17, 2014
  90. Physics 11th grade 'Heat' `

    1) While Laurie is boiling water to cook spaghetti, the phone rings, and all 1.5 kg of water boils away during her conversation.If the water was initially at 15℃, how much heat must have been gained for all of it to turn into a water vapor? 2)By January,

    asked by Isis on March 16, 2013
  91. SCIENCE

    Which of the following is equal to the buoyant force of a rock placed in a beaker of water? (1 point) volume of the displaced fluid weight of the displaced fluid volume of the rock weight of the rock

    asked by gabby on May 28, 2016
  92. Calculus

    A tank contains 100 grams of a substance dissolved in a large amount of water. The tank is filtered in such a way that water drains from the tank, leaving the substance behind in the tank. Consider the volume of the dissolved substance to be negligible. At

    asked by jau on March 21, 2017
  93. physics help!!!

    the volume occupied by 1kg of water at 100C and atmospheric pressure changes from 1L in the liquid phase to 1700L in the vapor phase. evaluate the difference in internal energy of 1kg of water vapor and 1kg of liquid water at the normal boiling point: So i

    asked by sarah on June 25, 2009
  94. social studies

    The growth of the automobile industry led to the development of the

    asked by shakyta on August 17, 2010
  95. 11th grade

    bar graph of automobile sales throughout the 1950's.

    asked by chad on March 26, 2010
  96. chemistry

    what is the density of a sample of 65.0 ml of automobile oil having mass of 59.82 g

    asked by yvette on March 4, 2012
  97. Social Studies

    What was the 1st automobile to be mass produced in the U.S.? It was the 1901 one

    asked by Mika on November 22, 2011
  98. ALG 2/Trig

    A new $12,000 automobile decreases in value every year. What is it's value 7 years from now?

    asked by Kyla on January 13, 2008
  99. PLz help

    How was society before the automobile was invented plz help me I need it for my powerpoint

    asked by Jazzy@Sevensupergirls on December 5, 2015
  100. us history

    How did the automobile change America both geographically and socially?

    asked by marty on August 24, 2012