1. chemistry

    Calculate the following quantity: Volume in mL of 21.4 M cobalt(II) chloride solution that must be diluted with water to prepare 17 mL of an 51.5 M solution. Calculate to 0 decimal places and do not include units. Also, do NOT use scientific notation.

    asked by Ocsar on September 14, 2014
  2. chemistry

    53.0 mL of a 1.50 M solution is diluted to a total volume of 258 mL. A 129-mL portion of that solution is diluted by adding 195 mL of water. What is the final concentration? Assume the volumes are additive.

    asked by Jen on March 27, 2013
  3. Chemistry- dilution

    51.0 mL of a 1.20 M solution is diluted to a total volume of 248 mL. A 124-mL portion of that solution is diluted by adding 125 mL of water. What is the final concentration? Assume the volumes are additive.

    asked by Chelsea on October 13, 2013
  4. Chemistry

    If 560.70 g of water (22degrees) is displaced, what volume of gas displaced it? Any help would be greatly appreciated. I am thinking about using PV=NRT, but do I assume the value of the pressure is 1. Also using 560.7 do i determine the amount of moles?

    asked by George on September 27, 2008
  5. Chemistry

    77.0 mL of a 1.20 M solution is diluted to a total volume of 288 mL. A 144-mL portion of that solution is diluted by adding 155 mL of water. What is the final concentration? Assume the volumes are additive.

    asked by Gmp on May 10, 2013
  6. Chemistry

    59.0 mL of a 1.60 M solution is diluted to a total volume of 268 mL. A 134-mL portion of that solution is diluted by adding 111 mL of water. What is the final concentration? Assume the volumes are additive.

    asked by Alex on September 7, 2014
  7. CHEMISTRY

    A volume of 100ml of h20 is initially at room temperature (22.0c). A chilled steel rod at 2.00C is placed in the water. If the final temperature of the system is 21.2C , what is the mass of the steel bar?

    asked by Anonymous on November 28, 2012
  8. Chemistry

    The hydrogen gas is collected over water at 25.0°c. The volume of the gas is 246 ml measured at 760 mmhg. calculate the number of grams of h2 collected (vapor pressure of h2=23.76mmhg)

    asked by Jocelyn on February 10, 2016
  9. chemistry

    71.0 mL of a 1.30 M solution is diluted to a total volume of 238 mL. A 119-mL portion of that solution is diluted by adding 105 mL of water. What is the final concentration? Assume the volumes are additive.

    asked by mat choma on September 28, 2016
  10. Chemistry- need fast help! Thanks

    2 H2O (l) → 2 H2 (g) + O2 (g) What volume of water in gallons would need to be split to store the same amount of energy as found in 10.0 gallons of gasoline? (Gasoline contains 44.4 MJ/kg, or 32.0 MJ/L, and has a density of 0.72 g/mL where 1 L =

    asked by John on November 5, 2010
  11. Chemistry

    A 5g mn sample was dissolved in 100ml water. If the percentage of M (At wt =55g/mol) in the sample is about 5%. What volume is needed to prepare 100ml of approximately 3.0 x 10-3 M solution Who helps for me. The right answer 6.7ml

    asked by Fai on November 5, 2012
  12. Chemistry

    59.0 mL of a 1.80 M solution is diluted to a total volume of 268 mL. A 134-mL portion of that solution is diluted by adding 171 mL of water. What is the final concentration? Assume the volumes are additive.

    asked by Robert on March 20, 2013
  13. Physics, still don't get it!

    The "karat" is a dimensionless unit that is used to indicate the proportion of gold in a gold-containing alloy. An alloy that is one karat gold contains a weight of pure gold that is one part in twenty-four. What is the volume of gold in a 20.0 karat gold

    asked by Mary on April 9, 2007
  14. Chem

    A 0.2 M KOH solution has a volume of 3 L. What percent of water should be evaporated to obtain a 0.6 M KOH solution? The answer I got is, 66.7%

    asked by Summer on March 25, 2018
  15. College Chemistry

    What is the pH when 10 mL of 1 M acetic acid is added to pure water so that the final volume is 100 mL? The Ka for acetic acid is 1.74 x 10^(-5)

    asked by Jamal on September 24, 2011
  16. cal

    Water, at the rate 10 ft^3/min, is pouring into a leaky cistern whose shape is a cone 16' deep and 8' in diameter at the top. At the time the water is 12' deep, the water level is observed to be rising 4''/min. How fast is the water leaking away? Can

    asked by Sammy on November 19, 2008
  17. calc

    A water trough is 7 m long and has a cross-section in the shape of an isosceles trapezoid that is 40 cm wide at the bottom, 100 cm wide at the top, and has height 60 cm. If the trough is being filled with water at the rate of 0.3 m3/min how fast is the

    asked by bob on October 24, 2014
  18. Biomechanics

    If the volume of a material is conserved under loading (Volume without force = Volume with force) what is the material’s Poisson’s ratio? You can assume that the material is isotropic (it will behave the same in every direction). Hint: take a cube and

    asked by Aaron on October 14, 2012
  19. math

    the water in leroy's and jerod's fish tank has evaporated so it was about 5/8 inch below the leverit should be.they added water and the water level went up about 3/4 inch.did the water level end up above or below where it should be? answer

    asked by barb on March 10, 2012
  20. Science

    Some water molecules are split into hydrogen and oxygen when going from: A. Atmosphere to clouds B. Ocean to atmosphere C. Ground water to surface water D. Surface water to biosphere EXPLAIN!

    asked by Anonymous on March 18, 2014
  21. College Chemistry

    Using the molar volume (STP) or the ideal gas law equation, determine the molar mass,g/mole, of each of the following. A: 11.2g of a gas that has a volume of 1.50Lat STP? B: .0710g of a gas that has a volume 825ml at 1 atm

    asked by Will on October 21, 2012
  22. Physics

    Wine bottles are never completely filled: a small volume of air is left in the glass bottle's cylindrically shaped neck (inner diameter d = 18.5mm) to allow for wine's fairly large coefficient of thermal expansion. The distance H between the surface of the

    asked by Britney on December 11, 2009
  23. Chemistry

    which a growing human population, scientists believe that clean freshwater will become scarce (limited). a possible solution is to desalinate salt water. using what youve learned in this unit, describe the type of a mixture salt water is and explain how

    asked by Anonymous on September 14, 2018
  24. Physics

    Archimedes purportedly used his principle to verify that the king's crown was pure gold, by weighing the crown while it was submerged in water. Suppose the crown's actual weight was 14.0 N. The densities of gold, silver, and water are 19.3 g/cm^3, 10.5

    asked by Victor on December 4, 2012
  25. Math

    What is the surface area and volume of a composite figure made up of a hemisphere and a cone in terms of pi? The radius is 10, and the slant height is 15. Are my answers right? Cone surface area: π(10)(15) = 150π Hemisphere surface area: 2π(10)^2 =

    asked by Anonymous on May 26, 2015
  26. Physics

    it didn't let me put the link to image.. A tube of radius 5 cm is connected to tube of radius 1 cm as shown above. Water is forced through the tube at a rate of 10 liters/min. The pressure in the 5 cm tube is 1×105 Pa. The density of water is 1000 kg/m3.

    asked by Chris on April 27, 2010
  27. chemistry

    I can't find a substance apart of water with a pH of 7,so i have a question, i don't know if water is the only neutral substance or if there are more which one's are those? Any salt solution that doesn't hydrolyze in water will be neutral. Any liquid

    asked by Claudia on February 4, 2007
  28. Math

    Mira has 20 gallons of water. She used 8 1/2 gallon to water the roses and 7 1/2 gallons to water lilies. How much water does she use have left?

    asked by Carolyn on February 13, 2018
  29. STS

    40 LITRES OF A MIXTURE OF MILK AND WATER CONTAINS 10% OF WATER, THE WATER TO BE ADDED, TO MAKE THE WATER CONTENT 20% IN THE NEW MIXTURE IS?

    asked by avnish kumAR UPADHYAY on May 8, 2015
  30. physics

    Water (η = 1.00E-3 Pa·s) is flowing through a horizontal pipe with a volume flow rate of 0.0153 m3/s. As the drawing below shows, there are two vertical tubes that project from the pipe. Assume that H = 0.0477 m and L = 0.670 m I know how to plug in

    asked by Katherine on November 16, 2012
  31. Math

    A wildlife biologist in Nova Scotia is testing the pH of stream water. She hopes that the pH of the water is greater than 5.5 so that Atlantic Salmon returning this year to their natal streams will be able to reproduce. The hydrogen ion concentration of

    asked by Lynn on July 24, 2008
  32. Physics

    the volume of a cuboid is the product of its length, breadth, and height. give a possible metric unit for the volume. is the unit for volume a basic unit or a derived unit? m^3. it is a basic unit is this correct?

    asked by Anonymous on April 13, 2008
  33. History

    Which statement best evaluates the connections between water conservation and land conservation projects? A.Water and land conservation are both nice efforts but have little practical use. B.Water conservation is more important than land conservation

    asked by Macarena on March 8, 2016
  34. mit

    home / homework help / questions and answers / engineering / mechanical engineering / 0.5 kg of water initially at 400 kpa and 0.3 m3/kg ... Question 0.5 kg of water initially at 400 kPa and 0.3 m3/kg is contained within a piston-cylinder device fitted

    asked by mit on June 11, 2015
  35. college earth science and astronomy

    This isn't homework as much as I am trying to learn this on my own. I am trying to perform an experiment on solar power. I measured and recorded the volume (V= 250 mL) and mass (M= 250 g) of water in a cup. I then recorded the initial temperature(32

    asked by Elle on March 18, 2009
  36. Safety of the young child

    The leading cause of death and permanent disabilities due to untentional injury is A.drowning B.falls C.poisoning D.automobile accidents I chose B as my answer. Can someone check my answer.

    asked by Cynthia on March 26, 2009
  37. Physics check

    A person has a reasonable chance of surviving an automobile crash if the deceleration is no more than 30 "g's" (recall that g = 9.8 m/s2). Calculate the force, in N, on a 68 kg person accelerating at this rate. 30"g" x 9.8 294 ms^2 f=ma 294x68 =19,992N

    asked by Jim on October 9, 2009
  38. Physics

    The makers of a certain automobile advertise that it will accelerate from 15 to 50 mi/hr in high in 13 sec. Compute (a) the acceleration in ft/ sec2, and (b) the distance the car travels in this time, assuming the acceleration to be constant.

    asked by Justine on August 25, 2015
  39. science grade 5

    how is heat related to temperature? Temperature tells us the DEGREE of heat; i.e., how hot is something. A temperature of 98.6 F is normal body temperature. A hot day is when the temperature is 95 degrees F. A cold day is when it is freezing outside. But

    asked by kathy on November 15, 2006
  40. Chemistry: Dr. Bob, can you check my work?

    In the "Methode Champenoise," grape juice is fermented in a wine bottle to produce sparkling wine. The reaction is given below. C6H12O6(aq) 2 C2H5OH(aq) + 2 CO2(g) Fermentation of 712 mL grape juice (density = 1.0 g/cm3) is allowed to take place in a

    asked by Zachary on November 15, 2012
  41. Chemistry (molarity) *emergency*

    Hi there, maybe dumb question but how would I find the initial concentration of Fe^3+?? In lab, we mixed these reactants into one test tube: -0.50mL of 0.0025M Fe(NO3)3 -0.50mL of 0.0025M KSCN -2.50mL of 0.10M HNO3 The net ionic equation for the experiment

    asked by Ray on December 3, 2016
  42. Enthalpy (chemistry 105)

    23.0mL of water density of water is 1.00 g/mL 1g = 1ml 23g of water Cs of water 4.18 J/(gC) moles= 2.40g/72.0(g/mol)= .033 mass = 23g+2.4g = 25.4g Ti= 14.5 C Tf= 25.0 C Calculate the enthalpy change, ΔH, for this reaction per mole of X. I'm getting -33.4

    asked by Bret on October 29, 2017
  43. Calculus

    A water trough is 6 m long, and its cross-section has the shape of an isosceles trapezoid that is 20 cm wide at the bottom, 50 cm wide at the top and 40 cm high. If the trough is being filled with water at the rate of 0.2 cubic meters/min, how fast is the

    asked by Abrich on November 24, 2012
  44. PHYSICS

    The latent heat of fusion of water is 3.34 x 105 J/kg. A farmer places a barrel containing 1000 kg of water in his barn one winter's night. When the water cools to 0oC, it begin to freeze. How much heat does the water give out while it is freezing until it

    asked by Maggie on August 15, 2011
  45. 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 by Eddie on December 6, 2010
  46. chemistry

    1)A sample of CO2 gas which weighs 0.85 grams has a volume of 1.30 liters when collected at 30°C. What would be the pressure of the gas sample? 2) A gas sample has an original volume of 600 ml when collected at 720 mm and 35°C. If a change is made in the

    asked by Anonymous on April 22, 2014
  47. Math - Please Check My Answer - Probably Last One!

    Please help me with the following: The volume of a cylinder is found using the formula V=πr^2h,where r is the radius of the base and h is the height. The volume of a rectangular prism of the same width (2r) and height h, as the cylinder, is found by

    asked by Brady on October 2, 2014
  48. physics

    Air is being compressed in a cylinder with a volume of 0.025 m^3 under a constant pressure of 3.0*10^5 Pa and the volume of the air in the cylinder is reduced to 0.020 m^3. a. By how much is the volume of the air reduced? b. How much work is done in the

    asked by anonymous on February 19, 2007
  49. science

    The solubility of sodium chloride is 36.0 g/100. ml of water, and the density of saturated NaCl solution is 1.202 g/mL.. I have 500. mL of a 1.00 M NaCl solution. If I boil it to the point of saturation, what is the final volume?

    asked by Nasser on July 25, 2012
  50. Chemistry

    In an experiment, a mixture of two gases occupies a volume of 3.00 L at a temperature of 22.5 degree centigrade. The mixture contains 14.0 g of water, 11.5 g of oxygen, and 37.3 g of nitrogen. Calculate the total pressure and the partial pressure of each

    asked by Aaqib Zaman on November 15, 2014
  51. Chemistry

    What is the molarity of a solution containing 1.23g of LiOH in enough water to give a final volume of 380ml? I know the MW of Li is 6.941, O is 15.9594 and H is 1.00794. Using this info the number of mols in 1.23g of LiOH is 0.05144

    asked by Raelene on April 29, 2017
  52. Chemistry

    A sample of 40.0 mL of hydrogen is collected by water displacement at a temperature of 20 degrees Celcius. The barometer reads 751 torr. What is the volume of the hydrogen at STP (standard temperature and pressure)?

    asked by Kia on December 17, 2012
  53. English

    [There is a big water container for the experiment. We can see an orange floating on the water.] The air pockets make "a)the orange" lighter than the water, so it floats. How , then, can you sink "b)the orange"? ...It sinks because "c)the orange" is now

    asked by rfvv on October 23, 2017
  54. physics

    Calculate the heat given off by the hot water. GIVEN: Original quantity of water (hot water) 50g Orig.temperature :40°C Final temperature: 9°C Final quantity of water: 264g Increase in quantity of water 214g. PLEASE KINDLY SHOW ME THE EQUATION FOR THIS

    asked by chris on February 28, 2016
  55. physics

    Calculate the heat given off by the hot water. GIVEN: Original quantity of water (hot water) 50g Orig.temperature :40°C Final temperature: 9°C Final quantity of water: 264g Increase in quantity of water 214g. PLEASE KINDLY SHOW ME THE EQUATION FOR THIS

    asked by chris on February 28, 2016
  56. physics

    Calculate the heat given off by the hot water. GIVEN: Original quantity of water (hot water) 50g Orig.temperature :40°C Final temperature: 9°C Final quantity of water: 264g Increase in quantity of water 214g. PLEASE KINDLY SHOW ME THE EQUATION FOR THIS

    asked by chris on February 28, 2016
  57. chemistry

    A biology experiment requires the preparation of a water bath at 37.0°C (body temperature). The temperature of the cold tap water is 22.0°C, and the temperature of the hot tap water is 55.0°C. If a student starts with 70.0 g of cold water, what mass of

    asked by Anonymous on November 11, 2010
  58. physics

    Calculate the heat given off by the hot water. GIVEN: Original quantity of water (hot water) 50g Orig.temperature :40°C Final temperature: 9°C Final quantity of water: 264g Increase in quantity of water 214g. PLEASE KINDLY SHOW ME THE EQUATION FOR THIS

    asked by chris on February 28, 2016
  59. mathe

    Show that a right-circular cylinder of greatest volume that can be inscribed in a right-circular cone that has a volume that is 4/9 the volume of the cone.

    asked by ali on July 12, 2014
  60. denstiy

    density is (g/cm^3) when if you have a volume of mL? If you want to find the mass from density and volume, do you have to convert the volume to liters? mL is the same as a cm^3 1 gram/ml= 1 gram/cm^3

    asked by Ky on February 21, 2007
  61. Science

    If I mixed sugar and sand into the water,what would happen? The sugar would ___, and the sand would ___ dissolve;not dissolve Name 3 examples of a mixture sand and water powder and water marbles and paperclips When I mix salt and water together and the let

    asked by running.from.myself on March 3, 2012
  62. Chemistry #2

    If 100.0 g of water at 90'C is added to 50.0 g of water at 10'C, estimate the final temperature of the water. explain your reasoning. please my last question i really don't get it, :/

    asked by Perrie E. on April 15, 2013
  63. Chem

    After filling a flask with water and allowing 15 minutes in a water bath, a student finds that the water level has dropped. How is this possible?

    asked by Anon on September 27, 2011
  64. Science

    What are some observations about water? Such as the Different Perceptions from what you see. Included all your senses. I am Very Confused on how to write an observation for water? Please and thankyou i believe its cold water.

    asked by Anonymous on December 14, 2011
  65. Biochemistry

    You wish to make 3 reactions (1 ml each) with the specified amounts of protein. The remainder of each reaction consists entirely of buffer. The source of your protein is a stock solution that has a concentration of 0.5 mg/ml. What is the volume of stock

    asked by Alwxy on October 22, 2016
  66. physical chemistry

    Calculate the freezing point of water at a depth of 10.0 cm below the surface of the water. The density of the water is 0.9998 g/cm3

    asked by Joesph on October 31, 2016
  67. biology

    1.intermediate waters is caused by? 2.deep water currents are important because? 3. water that sinks are? 4.water that rises are?

    asked by anonymous on March 14, 2016
  68. physics

    Calculate the freezing point of water at a depth of 10.0 cm below the surface of the water. The density of the water is 0.9998 g/cm3.

    asked by Joseph on October 30, 2016
  69. science

    if an object covers a large enough area of the water's surface, it can float on the water because of the________of water particles

    asked by shon on October 15, 2012
  70. chemistry

    Calculate the freezing point of water at a depth of 10.0 cm below the surface of the water. The density of the water is 0.9998 g/cm3.

    asked by Joseph on October 30, 2016
  71. Chemistry

    75.0 claories of heat were added to 50.0 ml of water, the initial temperature of the water being 25.0 celcius. What is the final temp. of water?

    asked by Anonymous on October 11, 2011
  72. Dynamics

    A 1500 kg automobile is traveling upto 20 deg inclined at a speed of 6 m/sec. If the driver wishes to stop his car in a distance of 5m,determine the frictional force at pavement which must be supplied by rear wheels.

    asked by benny on July 31, 2012
  73. Physics

    Traveling at a speed of 16.1 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. The coefficient of kinetic friction between the tires and the road is 0.72. How much time does it take for the car to come to a stop? Ignore

    asked by Allison on October 22, 2009
  74. physics

    What change in temperature occurs in order to increase the volume of 16 L of ethyl alcohol to 17 L? a)56.8*C b)1450*C c)53.5*C d) 90*C I can't seem to get one of the answers. I used the equation (change in volume)=beta(initial volume)(change of time). 1

    asked by Anonymous on November 22, 2007
  75. 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
  76. Chemistry Help Please

    Titration of a Sample of Household bleaches: The oxidizing agent in a household bleach is determined by placing 100 mL of distilled water in a 250 mL Erlenmeyer flask and adding 10 mL of the 10% (w/w) KI solution, swirling the contents of the flask to mix

    asked by Sara on October 22, 2008
  77. biology

    Which of the following statements is true? 1.Both unicellular and multicellular organisms are at risk of having too much water entering their cells if they are exposed to water containing no salts. 2.Only multicellular organisms have structures that enable

    asked by Cassie on October 10, 2013
  78. Math

    The dimensions of a rectangular wading pool are shown in the diagram above. Which one of the expressions below represents the maximum volume (in cubic units) of water it can hold? 2 feet high. 3.5 feet across bottom and 5 feet long. Which answer is best 1.

    asked by Mydogbear on May 5, 2017
  79. Chemistry

    Identify the compound with the highest entropy. a. solid ice b. room temperature water c. gaseous water d. frozen water

    asked by Adryan on December 7, 2011
  80. chem

    Water (2330 g) is heated until it just begins to boil. If the water absorbs 5.53×105 J of heat in the process, what was the initial temperature of the water?

    asked by Anonymous on October 20, 2010
  81. Chemistry

    If there are 25 mg of water in a typical drop of water, how many drops of water would react completely with 2 mmol of phenylmagnesium bromide? How do I set up the problem?

    asked by Damon on November 9, 2014
  82. science

    1.Describe how the hot water and the cold water moved when the divider was lifted. 2.Use your understanding of density to explain the motion of the water.

    asked by Misa on September 21, 2010
  83. CHEMISTRY

    IF 100.0G OF WATER AT 90'C IS ADDED TO 50.0G OF WATER AT 10'C, ESTIMATE THE FIBNAL TEMPATURE OF WATER. EXPLAIN YOUR REASONING. PLEASE HELP I DON'T GET IT AND I HAVE ANOTHER PROBLEM SIMILAR TO THIS

    asked by PERRIE on May 3, 2013
  84. Chem please help

    Which of the following would have the greatest entropy? A. Water placed in the refrigerator B. Water sitting out on the kitchen counter C. Water vapor D. An ice cube I think c what about you drbob222

    asked by Morgan on November 24, 2014
  85. Science

    how the volume of air in a tank of compressed air would change if the volume of the tank doubled? My answer was: The volume of the air would increase and it would be more difficult to fit inside of the tank depending on if the tank was filled or not.

    asked by Steven on November 18, 2015
  86. pre calc

    the volume of a gas varies inversely as its pressure and directly as its temperature. A certian gas occupies a volume of 2.3L at a temp of 380 K and a pressure of 20 N/cm^2 find the volume when the temp is 342 K and the pressure is 10 N/cm^2

    asked by wally on November 25, 2014
  87. physics

    An ideal gas with r(Gama) = 1.5 occupies a volume of 2.0 L. The gas expands isothermally to a volume of 3.0 L. Alternatively, the gas reaches the same final state by first adiabatically expanding to the final volume then heating isochorically to the final

    asked by sand on May 18, 2012
  88. physics

    An ideal gas with r(Gama) = 1.5 occupies a volume of 2.0 L. The gas expands isothermally to a volume of 3.0 L. Alternatively, the gas reaches the same final state by first adiabatically expanding to the final volume then heating isochorically to the final

    asked by sand on May 17, 2012
  89. physics

    An ideal gas with r(Gama) = 1.5 occupies a volume of 2.0 L. The gas expands isothermally to a volume of 3.0 L. Alternatively, the gas reaches the same final state by first adiabatically expanding to the final volume then heating isochorically to the final

    asked by sand on May 17, 2012
  90. MATH

    The table below represents the volume of a liquid sample as a function of its temperature: Temp (C) Volume (ml) x f(x) 11 95 16 100 21 105 26 110 The average rate of change of f(x) between x=11 to x=21 is _____ ml per C ((degrees)) and represents the rate

    asked by HELP PLEASE on November 16, 2014
  91. Physics

    A 343-kg boat is sailing 16.2° north of east at a speed of 1.98 m/s. Thirty seconds later, it is sailing 37.5° north of east at a speed of 3.76 m/s. During this time, three forces act on the boat: a 30.3-N force directed 16.2° north of east (due to an

    asked by Natasha on February 9, 2012
  92. physics

    Nd/Na = -V.g.hd(beta-beta1)/KT NdNa: No of particules(mole) V: Volume g: gravitational acceleration hd: distance beta: densities(mass/volume) k: Boltzman constant (joules/kelvin) T: absolute temperature(kelvin) volume = L3 gravitational acceleration L/T2

    asked by lamp on November 18, 2014
  93. physics101

    Nd/Na = -V.g.hd(beta-beta1)/KT NdNa: No of particules(mole) V: Volume g: gravitational acceleration hd: distance beta: densities(mass/volume) k: Boltzman constant (joules/kelvin) T: absolute temperature(kelvin) volume = L3 gravitational acceleration L/T2

    asked by lamp on November 18, 2014
  94. Chemistry

    Can someone check my answers? Thanks. 1.) If you were involved in an acid rain monitoring project with several other samplers, why would it be important that all of you collect your samples on the same day and do the alkalinity tests within 24 hours? Acid

    asked by Joe on March 21, 2007
  95. algebra

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.42 cross 10−5 watts/cm2

    asked by Mary Ann on May 30, 2014
  96. math

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.42 cross 10−5 watts/cm2

    asked by tasha on May 23, 2014
  97. physics

    Spaceman Spiff's space box wights 60N. its engine exerts a +312N of force at lift-off. what is the acceleration when it lifts off

    asked by felipe on January 11, 2013
  98. physics

    An engine provides a 10kw of power to lift a heavy load at a constant velocity a distance 20m in 5s. what is the mass of the object being lifted?

    asked by Anonymous on April 7, 2011
  99. ms.sue and SraJMcGin

    it isnt showing what you said. i put in the search engine education programs in wiscon sin for high school drop outs

    asked by scooby91320002 on May 31, 2009
  100. algebra

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.42 cross 10−5 watts/cm2

    asked by Mary Ann on May 30, 2014