1. CHEMISTY HOMEWORK HELP ASAP

    1.) Quantify the pH for a solution prepared by dissolving 0.050 moles of Acetic Acid (CH3COOH) and 0.20 moles of Sodium Acetate (CH3COONa) in water and adjusting the volume to 500 mL. The pka for Acetic Acid (CH3COOH) is 4.75. 2.) Should 0.010 moles of

    asked by Always on November 24, 2014
  2. math

    A tank was 3/5 filled with water. After removing 120 litres of water from the tank it was 1/5 filled. a)Find the amount of water the tank can hold when completely filed. b)If one litre of water has a mass of 1 kg, find the mass of water in the tank when

    asked by sherika on February 13, 2013
  3. Biology

    In class, I did an experiment with water and iodine solution in a beaker and also starch in a dialysis tube tied and placed in the beaker. There were discussion questions I couldn't answer surely... please check my answers. 1. a)Use your results to

    asked by CrissyXD on April 3, 2012
  4. General Chemistry

    When calcium carbonate is added to hydrochloric acid, calcium chloride, carbon dioxide, and water are produced. CaCO3(s)+2HCl(aq)--> CaCl2(aq)+H2O (l)+CO2(g) How many grams of calcium chloride will be produced when 32.0 g of calcium carbonate are combined

    asked by Alexis on February 6, 2013
  5. Math PLZ HELP!!!!

    A tank that holds 4000 gallons of water will drain completely into a reservoir in 32 minutes. The volume of remaining water in tank after time t is given by the function: V(t)=4000(1-t/32)^2, 0

    asked by Jessy on December 18, 2013
  6. ELECTROLYSIS OF ZnI2

    ELECTROLYSIS OF ZnI2 if you have done this experiment Please help me answer these questions as i missed the last half of my chem lab today. 1. What color change occurred when the wire is first heated. -next question is... What is the identity of the

    asked by sean on April 18, 2013
  7. physics

    A .5kg cup of water is swung around in a vertical circle just fast enough so the water can't fall out. What's the least amount of acceleration this water and cup would have on them?

    asked by Anonymous on December 18, 2012
  8. math

    a water pump has a capacity to fill water at 10 liters per second. How much time will it take to fill the water tank of 80cm .60cm.50cm?

    asked by ajAy on June 5, 2016
  9. chemistry

    A cylindrical glass of water (H2O) has a radius of 6.12 cm and a height of 9.91 cm. The density of water is 1.00 g/cm3. How many moles of water are contained in the glass?

    asked by Anonymous on November 28, 2013
  10. physics

    A cylindrical glass of water (H2O) has a radius of 6.12 cm and a height of 9.91 cm. The density of water is 1.00 g/cm3. How many moles of water are contained in the glass?

    asked by Anonymous on November 28, 2013
  11. geometry

    A rectangular container is 5 cm. wide and 12 cm. long and contains water to a depth of 7 cm. A stone is placed in the water and the water rises 1.7 cm. Find the volume of the stone.

    asked by Anonymous on August 7, 2012
  12. Chemistry

    A student mixes 95.1g of water at 77.5 degree C with 42.7g of water at 141.1 degree C in an insulated flask. What is the final temperature of the combined water?

    asked by Linetta De La Cruz on November 1, 2010
  13. physics

    A 10 cm by 10 cm by 10 cm wood block with a density of 700 kg/m^3 floats in water. a. What is the distance from the top of the block to the water if the water is fresh? b. If it's seawater?

    asked by luma on January 26, 2016
  14. Physics please help

    A cylindrical glass of water (H2O) has a radius of 3.49 cm and a height of 9.85 cm. The density of water is 1.00 g/cm3. How many moles of water are contained in the glass?

    asked by Bobby on October 27, 2014
  15. math

    a picher cotained 2 liters of water justin drank 355 milliliters of the water how many milliliters of water were left in the pitcher

    asked by courtanay on January 5, 2011
  16. Physics

    A person takes in a breath of 13*C of air and holds it until it warms to 36.5*C. The air has an initial volume of 0.24 L and a mass of 0.00077kg. a. Determine the work done by the air on the lungs if the pressure remains constant at 1 atm. Answer in units

    asked by Laura on January 3, 2011
  17. Chemistry

    A 5.00 gram sample of aluminum pellets (specific heat capacity = 0.89 J/g*C) and a 10.00 gram sample of iron pellets (specific heat capacity = 0.45 J/g*C) are heated to 100.0 *C. The mixture of hot iron and aluminum is then dropped into 97.3 gram of water

    asked by Anonymous on October 13, 2010
  18. Physics

    A pipe carrying water is laid out over level ground. One segment of the pipe has a diameter of 2.22 cm and the next segment has a diameter of 1.82 cm. In the wider segment, the water pressure is 83,700 Pa and the water is moving at 2.77m/sec. 1-what is the

    asked by Anonymous on December 8, 2017
  19. Chemistry

    Can you explain the process for solving this problem (this one is more complicated than the example in our book): A solution contains both I^- and Cl^-, each at a concentration of 3.0x10^-2M. What concentration of Pb^+2 is required to precipitate the

    asked by Lacey on February 19, 2007
  20. chem

    The pH of saturated Sr(OH)2 is found to be 13.12. A 15.0ml sample of saturated Sr(OH)2 is diluted to 250.0ml in a volumetric flask. A 15.0ml sample of the diluted Sr(OH)2 is transferred to a beaker, and some water is added. The resulting solution requires

    asked by tomi on April 2, 2009
  21. Chemistry

    Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.5L of water upon warming from 25C to 50C . Assume that the water is initially saturated with nitrogen and oxygen gas at

    asked by Anonymous on May 9, 2015
  22. chem

    Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.2L of water upon warming from 25C to 50C . Assume that the water is initially saturated with nitrogen and oxygen gas at

    asked by rc on January 26, 2010
  23. math,help,bobpursly

    What are some challenges for rational expressions? Also on my previous question about why are polynomials important bobpursly can you expalin it to me towards what you ment about your responce because i still do not undertand...thanks when you get a

    asked by jas20 on March 5, 2007
  24. Physics

    a tourist drops 1-liter water filled baloon from the top of the Washington monument (170 m high).If air resistance is negligible and almost all the motion energy heats the water,find the increase in temperature of water when it hits the pavement?

    asked by Fildzah Istiqomah on November 12, 2011
  25. Physics

    a tourist drops 1-liter water filled balloon from the top of the Washington monument (170 m high).If air resistance is negligible and almost all the motion energy heats the water,find the increase in temperature of water when it hits the pavement?

    asked by Izthy Fildzah on November 12, 2011
  26. Thermodynamics

    12 kg of water in an insulated container is at 30 C. Initially, only 18 percent of the water is in the liquid phase. An electric heater, connected to a 120-V source and 9 A, is used to heat the system. Determine the time required to vaporize the entire

    asked by Anonymous on November 5, 2014
  27. math

    Initially a pool contains 350 gallons of water. A hose is placed in the pool, and the water is turned on. The hose adds 4.8 gallons of water per minute. Write an equation that shows the relationship between the total amount of water in the pool, V, and the

    asked by jeng on November 15, 2009
  28. chem 102

    Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.1L of water upon warming from 25 ∘C to 50 ∘C. Assume that the water is initially saturated with nitrogen and oxygen

    asked by ieshia on February 19, 2014
  29. Chemistry

    How much boiling water would you need in order to raise the bath to body temperature (about 37)? Assume that no heat is transferred to the surrounding environment. Imagine that your water heater has broken, but you want to take a bath. You fill your

    asked by Bella on November 4, 2010
  30. Chemistry

    In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 59.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse

    asked by Melody on February 18, 2012
  31. chemistry

    In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 47.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse

    asked by Sarah on February 19, 2012
  32. Chem

    In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 41.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse

    asked by Andrew on February 22, 2012
  33. Chemistry

    In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 47.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse

    asked by Ariel on February 19, 2012
  34. chemistry

    In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution equals the applied pressure. If a pressure of 47.0 bar is applied to seawater, what will be the final concentration of the seawater at 20 °C when reverse

    asked by Janice on February 19, 2012
  35. ocean county college

    A 150 g sample of metal at 55.0 C raises the temperature of 150 g of water from 23.0 C to 35.0 C. Determine the specific heat of the metal in J/g C. Hint: #1 First find heat absorbed by water using formula q = mass x specific heat x change in temp (of

    asked by adina on March 22, 2010
  36. Physics

    Water flows at 0.25L/s through a 9.0-m-long garden hose 2.0cm in diameter that is lying flat on the ground.The temperature of the water is 20degC. What is the gauge pressure of the water where it enters the hose? in Pa

    asked by Cassie on December 5, 2012
  37. Chemistry

    I am designing a lab right now, and I want to know: if I fill a beaker with cold water from the tap and submerge a sample of solid metal, after a couple of minutes, the metal should be the same temp as the water, right? Would it be quicker to use hot water

    asked by Stuck on February 20, 2010
  38. Chemistry

    A chunk of copper weighing 18.9 grams and originally at 97.63oC is dropped into an insulated cup containing 77.9 grams of water at 22.44oC. Assuming that all of the heat is transferred to the water, the final temperature of the water is what in C.

    asked by Jackson on February 19, 2010
  39. Science

    Determine the final temperature when 100 g of water absorbs 1000 J of thermal energy, given that the initial temperature of the water is 20.0°C. The theoretical specific heat capacity of water is 4.19 J/g·°C. Show your work below.

    asked by Desirae on May 23, 2015
  40. Chemistry

    5.00 liter steel cylinder is filled with water vapor at 100 °C and 650 mm Hg. Determine the mass of water that condenses to a liquid when the closed system is cooled to 20 °C. The vapor pressure of water at 20 °C is 18 mm Hg. 6.

    asked by Anonymous on July 12, 2011
  41. chemistry

    The heat of vaporization of water is 40 kJ mol-1 at 100oC. What percentage of the heat supplied to vaporize the water can be converted into work if the water is vaporized at 100 degrees C against a constant pressure of 1 atm?

    asked by nath on November 9, 2011
  42. Physics

    What is the total amount of potential energy that can be stored in a 10,000 gallon water tower built with the water tank 61.50 m above ground level?

    asked by Matt on February 15, 2017
  43. chemistry

    The fermentation of sugar (C6H12O6) to form ethanol (C2H5OH) and carbon dioxide (CO2) occurs according to the following equation: C6H12O6(aq) ¡ú 2 C2H5OH(aq) + 2 CO2(g) kJ mol¨C1 ¦¤Hf (C6H12O6(s)) is ¨C1275 ¦¤Hf (C2H5OH(l)) is ¨C277 ¦¤Hbond

    asked by mailyn on November 3, 2010
  44. Physics

    A fire hose can project water at a rate of 6.00x10^2 litres per minute to a height of 40.0m. Find: a) the velocity with which the water leaves the tube b) the kinetic energy of the water as it leaves the hose c) the kinetic energy of the water at 40.0m.

    asked by Jane on August 26, 2012
  45. Chemistry

    Objectives To determine the molecular weight of a volatile liquid. Discussion [This laboratory exercise was adapted from one in Beran and Brady's Laboratory Manual for General Chemistry , John Wiley & Sons, 1982] The Dumas Method for determining the

    asked by Veronica on November 28, 2012
  46. physical geoprahy

    Assume that a parcel of air is forced to rise up and over a 6000-foot high mountain (shown below). The Initial temperature of the parcel at sea level is 76.5 F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5 F/1000' and

    asked by lost on May 28, 2013
  47. Physical Geography

    Assume that a parcel of air is forced to rise up and over a 6000-foot high mountain (shown below). The Initial temperature of the parcel at sea level is 76.5 F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5 F/1000' and

    asked by jorge on January 20, 2014
  48. Science

    Assume that a parcel of air is forced to rise up and over a 6000-foot high mountain (shown below). The Initial temperature of the parcel at sea level is 76.5 F, and the lifting condensation level (LCL) of the parcel is 3000 feet. The DAR is 5.5 F/1000' and

    asked by Itzel on October 12, 2014
  49. APChem

    Hi I tried to understand this but I don't know why the answer is B: Which one of the following pairs cannot be mixed together to form a buffer solution: A) NaC2H3O2, HCl B)RbOH, HBr C) NH3, NH4Cl D) H3PO4, KH2PO4 E) KOH, HF The answer is B but could you

    asked by Kiki on March 22, 2010
  50. chemistry hw

    SOMEONE PLEASE HELP AND CONFIRM THE RIGHT ANSWER FOR ME...I HAVE ONE MORE ATTEMPT TO THIS PROBLEM AND I NEED HELP!!!!! PLEASE!!!!!!!!!!!!!!!!!!!! THANKS! In reverse osmosis, water flows out of a salt solution until the osmotic pressure of the solution

    asked by Ariel on February 19, 2012
  51. Science

    2 ml of stock antibiotic (64 mg/ml) was diluted into a test tube containing 2 ml of broth (final volume is 4). A series of 2-fold SERIAL DILUTIONS were performed by transferring 2 ml to three other tubes, consecutively (final volumes now 2 ml in each

    asked by Anonymous on November 25, 2014
  52. Microbiology

    2 ml of stock antibiotic (64 mg/ml) was diluted into a test tube containing 2 ml of broth (final volume is 4). A series of 2-fold SERIAL DILUTIONS were performed by transferring 2 ml to three other tubes, consecutively (final volumes now 2 ml in each

    asked by Anonymous on November 25, 2014
  53. Chemistry

    2 ml of stock antibiotic (64 mg/ml) was diluted into a test tube containing 2 ml of broth (final volume is 4). A series of 2-fold SERIAL DILUTIONS were performed by transferring 2 ml to three other tubes, consecutively (final volumes now 2 ml in each

    asked by Anonymous on November 25, 2014
  54. Physics

    One gram of water is placed in a cylinder and the pressure is maintained at 2.0 x 105 Pa. The temperature of the water is raised by 31oC. Determine the change in internal energy when, a) the water is in its liquid phase and causes an expansion of 1.0 x

    asked by Angel on October 7, 2010
  55. Physics

    One gram of water is placed in a cylinder and the pressure is maintained at 2.0 x 105 Pa. The temperature of the water is raised by 31oC. Determine the change in internal energy when, a) the water is in its liquid phase and causes an expansion of 1.0 x

    asked by Angel on October 7, 2010
  56. Physics

    One gram of water is placed in a cylinder and the pressure is maintained at 2.0 x 105 Pa. The temperature of the water is raised by 31oC. Determine the change in internal energy when, a) the water is in its liquid phase and causes an expansion of 1.0 x

    asked by Angel on October 7, 2010
  57. Physics

    One gram of water is placed in a cylinder and the pressure is maintained at 2.0 x 105 Pa. The temperature of the water is raised by 31oC. Determine the change in internal energy when, a) the water is in its liquid phase and causes an expansion of 1.0 x

    asked by Andrea on October 6, 2010
  58. geometry

    Denise poured milk into a glass shaped like a right circular cylinder with a radius of 2 inches. When she added chocolate syrup to the milk, the height of the liquid in the glass increased by 1/2 inch. What was the volume of the chocolate syrup that Denise

    asked by Slacker on April 22, 2012
  59. chemistry

    Suppose that after measuring the pH of 1.05 M HCl solution, three drops (0.20 mL) of the solution remain behind on the pH electrode. a) When this electrode is then dipped into 100 mL of pure distilled water, show by calculation that the pH of the water is

    asked by Nicollette on September 29, 2015
  60. calc

    I would greatly appreciate your help with a math equation needed for a science experiment I'm researching. The case is the following: there is a pit full of juice and a stream of water is flowing through the pit (so that the amount of water which enters

    asked by Joseph on February 22, 2011
  61. Chemistry

    What formula do I use to figure. 16.5 g of KCL (MM=74.55 g/mol) is dissolved in enough water to make 575 mL of solution. Calculate the molarity of the KCl solution.

    asked by Norma on July 25, 2010
  62. Chemistry

    Calculate the heat of solution of LiOH if addition of 25.0g of LiOH causes the temperature of 120.0ml of water to rise from 20.0 celcius to 29.0 celcius.

    asked by Aditi on January 25, 2013
  63. Chemistry

    Calculate the final temperature (once the ice has melted) of a mixture made up initially of 75.0 ml liquid water at 29.0 degrees C and 7.0 g ice at 0.0 degrees C.

    asked by Jaclyn on February 26, 2010
  64. physical science

    120ml of a solution whose concentration is 30g/ml was diluted with distilled water by raising its volume to 160cm3. Calculate the concentration of the new solution.

    asked by grace on February 25, 2012
  65. chemistry

    mass of empty flask plus stopper 36.765 g mass of stoppered flask plus water 65.264 g Temperature 24.8 C calculate the volume? need help please

    asked by finny on September 7, 2016
  66. Chemistry

    Calculate the final temperature of a mixture of 200.0g of ice initially at -16.5 Celsius and 406.0g of water initially at 84.5 degrees Celsius.

    asked by Brittany on November 9, 2012
  67. chemistry

    The Ksp for silver sulfate (Ag2SO4) is 1.2 10-5. Calculate the solubility of silver sulfate in each of the following. A)water B)0.14 M AgNO3 C)0.33 M K2SO4 the answer in mol/L

    asked by melissa on December 2, 2011
  68. physics

    The horizontal door of a substance at a depth of 500m has an area of 0.4m^2 . Calculate the force exerted by the sea water on the door at this depth.

    asked by somay on June 14, 2016
  69. acid vs base

    Calculate the pH of a solution that obtained by diluting 0.015 mol acetic acid with water to 250 cm3 (the Ka - value for acetic acid is 1.74 x 10-5 M).

    asked by Anonymous on February 18, 2011
  70. chemistry

    how do you calculate the empirical formula of the barium hydroxide hydrate if a sample consists of 3.70 grams of barium hydroxide and 2.64 gras of water???

    asked by Marissa Turner on February 3, 2012
  71. Physics

    The freezing point depression of a .100 m solution of NaCl solution is .34C. Calculate the percent dissociation of NaCl.( Kf for water=1.86) Please help

    asked by Sammy on August 28, 2009
  72. chemistry

    the vapor pressure of water at 45.0 °c is 71.93 mmhg. Calculate the vapor pressure of a solution of 1.50 m Al(NO3)3 at this temperature (assume 100% dissociation)

    asked by michael on July 16, 2013
  73. physics

    A bucket of water with a mass of 20.0 kg is being pulled up from a well with a single massless rope. If the tension in the rope is 200 N, calculate the acceleration of the bucket.

    asked by lol on August 11, 2015
  74. Chemistry

    Calculate the final temperature (once the ice has melted) of a mixture made up initially of 75.0 mL liquid water at 29.0 Celsius and 7.0 g ice at 0.0 Celsius?

    asked by Briza Brooks on February 24, 2015
  75. chemistry

    ok im not sure how to do this 15.00ml of acetic acid is pipetted into a flask 0.35 grams of sodium acetate trihydrate is added and mixed then 0.75 of the hydrate is added 1)i assumed that the volume(s) are additions. 15.00ml x .35g *m/1.45g and for the

    asked by Jim_R on July 16, 2009
  76. Chemistry

    In each of the following, determine how much solute (in g or mL) must be added to the correct quantity of water to make the given amount of solution at the correct concentration. a)KI to make 50.0mL of a 0.50 M solutioon b)12.0 M HCL to make 500 mL of a

    asked by Kim on May 2, 2010
  77. Chemistry

    How much boiling water would you need in order to raise the bath to body temperature (about 37)? Assume that no heat is transferred to the surrounding environment. Imagine that your water heater has broken, but you want to take a bath. You fill your

    asked by Bella on November 5, 2010
  78. Chemistry

    A 1.0 L ball containing Ar at 5 atm is connected to a 10.0 L ball containing N2 at 2 atm. a) Calculate the partial pressure and mole fractions of argon and nitrogen after the valve is opened and the gases are allowed to mix (they fill the balls on both

    asked by Anonymous on January 31, 2016
  79. calculus

    Water is leaking out of an inverted conical tank at a rate of 10,000 cm^3/min at the same time that water is being pumped into the tank at a constant rate. The tank has height 6 m and the diameter at the top is 4 m. If the water level is rising at a rate

    asked by Nathan on December 6, 2011
  80. Calculus 1

    Water is leaking out of an inverted conical tank at a rate of 12,000 cm3/min at the same time that water is being pumped into the tank at a constant rate. The tank has height 6 m and the diameter at the top is 4 m. If the water level is rising at a rate of

    asked by TayB on March 21, 2015
  81. english

    sorry for posting it again i just need some help with proof read original thread display.cgi?id=1330379031 1. Water is the source of life. We all depend on it. Water is important, and we cannot survive a week without it. 2. Water should be free; it is a

    asked by ESLstudent on February 27, 2012
  82. chemistry

    When 10.0 mL of 0.012 M pb(NO3)2 is mixed with 10.0 mL of 0.030 M KI, a yellow precipitate of PbI2(s) forms. a)Calculate the molarity of [Pb^2+] b)Calculate the initial molarity of [I^-] c)On measuring the equilibrium concentrations of [I^-] it came out to

    asked by Anonymous on August 15, 2010
  83. physics

    A solid of mass 1kg suspended by a string is completely immersed in water. If the tension in the string is 5N, calculate the upthrust on the solid. (take g = 9.78m/s)

    asked by Francis on July 31, 2014
  84. sciencwe

    rosa boat is padding upstream at 1.25 m/sec. and the water in the river is flowing at .50 m/sec to the banks of the river. calculate the resultant velocity

    asked by mickey on January 10, 2013
  85. science

    You want to calculate the displacement of an object thrown over a bridge. Using -10 m/s2 for acceleration due to gravity, what would be the total displacement of the object if it took 8 seconds before hitting the water?

    asked by Jacob on September 21, 2018
  86. College Chemistry

    Calculate the heat in joules needed to warm 225g of water from 88.0 degrees Celsius to its boiling point 100.0 degrees Celsius

    asked by Alex on October 25, 2012
  87. Chemistry

    Calculate the molarity of Na2C204 solution prepared by dissolving 1.2222 grams of pure Na2C204 in enough water to make 500.00 mL of solution.

    asked by Ashley(please help!!!!) on October 26, 2011
  88. chemistry

    calculate the mass/volume percent of a NaCl solution in which 127g of NaCl is dissolved in enough water to give a total volume of 2.69L.

    asked by lima on October 17, 2013
  89. Chemistry

    Calculate the molarity of Na2C204 solution prepared by dissolving 1.2222 grams of pure Na2C204 in enough water to make 500.00 mL of solution.

    asked by Ashley(please help!!!!) on October 26, 2011
  90. science

    When you freeze water, 80 calories of heat are released into the surroundings for every gram of water that freezes. This is known as the "latent heat of fusion" of water, which is 80 cal/g. Heat of fusion is a characteristic property. Theoretically, if you

    asked by Elizabeth on January 31, 2011
  91. chemistry

    how to prepare and calculate 10%,20% and 30% of phosphoric acid from the concentrated? Meaning that if 10% = 10%phosporic acid+90% of water. let say i want to prepare in 250ml volume.

    asked by lala on January 29, 2013
  92. Chemistry

    How do I calculate the amount of heat needed to convert 96g of ice at -24 degrees celciua to water at 28 degrees celciua?

    asked by Emma on April 27, 2011
  93. PCB

    A 298k the vapour pressure of water is 23.75mmhg.calculate the vapour pressure at same tempreature over 5% aqurous solution of urea?

    asked by Chavi on April 24, 2017
  94. physics

    AN EMPTY DENSITY BOTTLE WEIGHS 25GRAMS. IT WEIGHS 65GRAMS WHEN FILL WITH WATER. CALCULATE THE DENSITY OF THE LIQUID.

    asked by Anonymous on July 7, 2013
  95. PHYSICS

    Calculate the work done against external atmospheric pressure when 1 g of water changes to 1672cm3 of steam. Take the atmospheric pressure as 1.013×105Nm−2

    asked by MONSOFT on April 8, 2015
  96. chemistry

    For a 0.50 molal solution of sucrose in water, calculate the freezing point and the boiling point of the solution. Please list each step.?

    asked by william on September 12, 2017
  97. medicinal chemistry

    the solubility product of PbSO4 at 298K is 1.6x10^-8 mol^2dm^-6. Calculate the solubility of PbSO4 in pure water

    asked by jane on May 28, 2012
  98. CHEMISTRY

    The solubility of Ag2NtO4, silver nortonate, in pure water is 4.0 x 10-5 moles per liter. Calculate the value of Ksp for silver nortonate.

    asked by Anonymous on December 7, 2017
  99. Chemistry

    How do I calculate the amount of heat needed to convert 96g of ice at -24 degrees celciua to water at 28 degrees celciua?

    asked by Emma on April 27, 2011
  100. Chemistry

    Concentrated sulfuric acid used in the laboratory is 92% H2SO4 by mass. Calculate the mass of water in a 100 g solution of this acid in kg.

    asked by Steph on October 18, 2010