1. math

    The distance from TDC (top dead centre) for the pin is given by x when the crank is at angle . Hence : i) Give an equation for x in terms of the other variables (r, L and ). ii) If the crank rod is rotating at a constant value of ω calculate the

    asked by Karl Haxell on May 17, 2011
  2. Maths

    The distance from TDC (top dead centre) for the pin is given by x when the crank is at angle . Hence : i) Give an equation for x in terms of the other variables (r, L and ). ii) If the crank rod is rotating at a constant value of ω calculate the

    asked by Karl Haxell on May 17, 2011
  3. science

    a cylinder of diameter 1cm at 30 degrees celcius is to be slid into a steel plate. the hole has a diameter 0.9997cm at 30 degrees celcius. to what temperature must the plate be heated? for steel

    asked by peter on May 12, 2014
  4. chemistry

    A cylinder contains 40 g of HE, 56 g of N2, and 40 g of Ar. How many moles of each gas are in the mixture?

    asked by mary on May 8, 2014
  5. chemistry

    I what this question to be solve.what will be the pressure of 50cm^3 of oxygen gas in a piston initially at a pressure of 2atm when the volume was 500cm^3 at a steady temperature of 300k

    asked by bibian cyril on September 28, 2014
  6. Math

    A rectangular prism has a length of 100 cm, a height of 10 cm and a width of 5 cm. What is the volume of the rectangular prism? A. 3100 square centimeters B. 1550 square centimeters C. 5000 square centimeters D. 1200 square centimeters 2. A cylinder has a

    asked by Adrian on March 7, 2012
  7. physics

    a rectangular box of mass 400g has a diameter 20cm by 10cm by 5cm compute the pressure it exerts on each face of the box when it rests on a table take g=10m/s2

    asked by gelila on February 22, 2016
  8. Automotive engine parts and operation

    plz help me w/ the answers i have n tell me if i'm wrong. 1. An automotive engine's camshaft rotates at A. the same speed as the crankshaft B. one-quarter the speed of the crankshaft C. one-half the speed of the crankshaft D. twice the speed of the

    asked by Nessa on December 4, 2009
  9. PHYSICS PLEASE HELP

    Find the electric field on the axis of a uniformly charged solid cylinder, at a  distance z from the center of the cylinder. The length of the cylinder is H, its  radius is “a”, and the charge density is ρ. (Assume that z > H/2).

    asked by Julie on September 28, 2016
  10. chemistry

    a very small gas bubble seen in a microscope has a diameter of 1 micrometer. If the pressure is one bar and the temperature is 25 degrees celsius calculate the number of gas molecules in the bubble

    asked by emoni on January 22, 2011
  11. Math

    Find the volume of the cylinder. Use 3.14 for pi Diameter 34m Hight 27m This is a work pad question

    asked by Rain226 on April 6, 2018
  12. Math

    A metal cylindrical cannister is 1' 3"long and has a diameter of 4 inches. What is the total surface area of the cylinder?

    asked by Katrina on October 1, 2016
  13. algebra

    the lateral area of aright circular cylinder is 52 . and the length of the diameter of its base is 8 .find its volume

    asked by basma on December 12, 2016
  14. phy

    An emphysema patient is breathing pure O2 through a face mask. The cylinder of O2 contains 0.20 ft3 of O2 gas at a pressure of 2200 lb/in2. (a) What volume would the oxygen occupy at atmospheric pressure (and the same temperature)? ft3 (b) If the patient

    asked by kira on April 13, 2013
  15. phy

    An emphysema patient is breathing pure O2 through a face mask. The cylinder of O2 contains 0.20 ft3 of O2 gas at a pressure of 2200 lb/in2. (a) What volume would the oxygen occupy at atmospheric pressure (and the same temperature)? ft3 (b) If the patient

    asked by kira on April 13, 2013
  16. Chemistry

    Liquid Butane, C4H10, is stored in cylinders to be used as a fuel. Suppose 39.3g of butane gas is removed from a cylinder. How much heat must be provided to vaporize this much gas? The heat of vaporization of butane is 21.3 kJ/mol.

    asked by Lauren on February 1, 2008
  17. Chemistry

    Liquid Butane, C4H10, is stored in cylinders to be used as a fuel. Suppose 39.3g of butane gas is removed from a cylinder. How much heat must be provided to vaporize this much gas? The heat of vaporization of butane is 21.3 kJ/mol.

    asked by Lauren on February 1, 2008
  18. physics (please help elena)

    We will now examine how much time we need to stop a ship-engine-like cylinder. Suppose you take a rotating cylinder and let it roll to the right until it reaches a vertical wall. It then spins against the two walls as shown in the picture, slowly slowing

    asked by Steven on August 6, 2013
  19. AP PHYSICS HELP

    One piston of a hydraulic lift holds 1.40*10^3 kg. The other holds an ice block (density= 917 kg/m^3) that is 0.076 m thick. Find the first piston's area. (Cross sectional area of the ice block = cross sectional area of the piston).

    asked by JOHN on December 10, 2012
  20. chemistry

    Pure aluminum has density 2.70g/cm^3. If we add a solid aluminum cylinder to a graduated cylinder containing 19.2 of water, and the water level in the cylinder rises to 24.7 ml, what is the mass of the aluminum cylinder?

    asked by Jay on September 19, 2014
  21. Maths help

    Hi MY question is if a cylinder has a volume of 72cm cubed and a cross-sectional area of 18cm squared. Work out the height of the cylinder Can someone show me how we do it by the steps The cross-section of a cylinder is a circle. so pi(r)^2=18 solve for r

    asked by Ali on April 23, 2007
  22. hydraulics

    The surface of the large piston is 4m2. What will the force (F2) be that is exerted by the large piston?

    asked by Donna on September 9, 2015
  23. Science

    if a 1 kg mass is placed on top of the input piston what is the largest mass that the output piston

    asked by Derrick on April 17, 2015
  24. Chemistry

    A horizontal piston contains 34kg of water that is saturated at 36ºC. Heat is transferred to the water until 80% of the water vaporizes If the piston moves very slowly, calculate the work done by surroundings on the system during this process.

    asked by Anonymous on March 27, 2013
  25. Chemistry

    A mixture of gases contains 0.65 mol of N2, 0.70 mol of O2, and 0.90 mol of He. What is the partial pressure of each gas (in atm and in torr) in a 25.0 L cylinder at 340 K? What is total pressure? I know you: Use mols each gas in PV = nRT and solve for p.

    asked by Chelsey on February 26, 2014
  26. chemistry

    i keep trying to do these problems and i don't understand them. please help me!! 1. Gas stored in a tank at 273 K has a pressure of 388 kPa. The save limit for the pressure is 825 kPa. At what temperature will the gas reach this pressure? A. 850 K B. 925 K

    asked by Please Help! on October 10, 2008
  27. Geometry

    How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces. can anyone tell me the formula for this problem

    asked by Shay on June 27, 2011
  28. physics

    Compute the force needed on the following shapes to completely submerge them in water for each of these materials: oak of average density, Styrofoam, and hollow aluminum with a 0.5cm wall thickness. A cube 10cm on a side, a cylinder 5cm long and 9cm in

    asked by mightymouse on March 12, 2009
  29. Science

    36kg of some material undergoes a process in a piston-cylinder apparatus starting with an initial volume of .057m^3 and pressure of 680kPa. The final volume is twice the initial. Compute the work done by the substance for the following processes: (a)

    asked by J.T. on July 21, 2015
  30. Physics

    A metal cylinder with a area of 0.01m^2 and height of 0.1m is suspended levelly in water with a thin string. a)What is the water pressure on the top and bottom of the cylinder if the cylinder top is 1m below the water surface? And the amount of buoyant

    asked by Jermaine on April 24, 2012
  31. physics

    A solid cylinder of mass 20 kg rotate about its axis of rotation with angular speed 100m/s. The radius of the cylinder is 0.25m. What is the K.E. associated with the rotation of the cylinder what is the magnitude of the angular momentum of the cylinder

    asked by shubham mahur on March 17, 2013
  32. physics

    the small piston of a hydraulic press has an area of 7.0 cm squared. if the applied force is 30.0 N, find the area of the large piston to exert a pressing force of 4000 N

    asked by maria on October 24, 2011
  33. technology

    a small piston in a hydraulic system has a force of 10 n and moves a distance of 100mm.calculate the force reqiured to move the large piston if it moves 20mm

    asked by noxolo on May 28, 2014
  34. Physics

    In the hydraulic system shown in the figure, the piston on the left has a diameter of 4.5cm and a mass is 3.0kg. If the density of the fluid is 710kg/m^3 , what is the height difference h between the two pistons in m? I checked the other similar questions

    asked by Lhaedy on December 11, 2013
  35. math

    A large cylinder has a volume of about 5,400 cubic cm. A small cylinder is similar in shape to the larger cylinder with a scae factor of 2/3.Which measurement is closest to the volume of a cylinder. f)1600cubic cm g)2400 cubic cm h)2700 cubic cm j)3600

    asked by Courtney on March 19, 2013
  36. Physics

    a container weighing a 1.20 x 10^4 N sits on a hydraulic press piston with can area of 0.80m^2. Compressed ir exerts a force of on the second piston which has an area of 0.30m^2 How large must this force be to support the car

    asked by Dulce on September 29, 2014
  37. technology

    A hydraulic lift system has an input piston with an area of 0,5 m2 and an output piston whith an area of 2 m2. What force is needes to lift a load of 1000 N?

    asked by oreneile michelle malwetse on April 29, 2015
  38. math

    what is the area of the largest rectangle formed when a plane intersects a right circular cylinder with a diameter of 12cm and a height of 15cm?

    asked by billy on December 14, 2007
  39. Chemistry

    The gas in a cylinder has a volume of 8 liters at a pressure of 108 kPa. The pressure of the gas is increased to 224 kPa. Assuming the temperature remains constant, what would the new volume be?: _______L How would I go about solving this particular

    asked by SahDuuude on August 3, 2016
  40. chemistry

    Consider 4.50L of a gas at 365 mmHg and 20 degree C . If the container is compressed to 2.70 L and the temperature is increased to 33 degree C , what is the new pressure, P2, inside the container? Assume no change in the amount of gas inside the cylinder.

    asked by anonymous 78 on October 20, 2012
  41. chemistry

    A cylinder with a moveable piston has a volume of 18.7 L at a pressure of 1.2 atm. What will be its volume if the pressure is increased to 1.7 atm?

    asked by Nomi on October 19, 2012
  42. physics

    The 80kg student balances a 1300kg elephant on a hydraulic lift. (U-Tube) What is the diameter of the piston the student is standing on? When a second student joins the first, the height difference between the liquid levels in the right and left pistons is

    asked by Pat on January 19, 2015
  43. Physics

    An aircraft piston engine starts from rest and accelerates to 1500rpm in 4.95s. This engine through a reduction gearbox drives a 9m diameter propeller at 55rpm What is the engine's angular displacement in 4.95s?

    asked by Lisa on October 1, 2015
  44. Physics

    7.7mol of helium are in a 16L cylinder. The pressure gauge on the cylinder reads 65psi. What are (a) the temperature of the gas in Celsius and (b) the average kinetic energy of a helium atom? Part A: so this is what i did T=PV/nR and C=T-273

    asked by ana on November 20, 2009
  45. physics

    Consider two solid uniform cylinders that have the same mass and length, but different radii: the radius of cylinder A is much smaller than the radius of cylinder B. Rolling down the same incline, which one of the two cylinders will reach the bottom first?

    asked by rosa on November 18, 2013
  46. calc

    When the height of a cylinder is 12 cm and the radius is 4 cm, the circumference of the cylinder is increasing at a rate of pie/4 cm/m in, and the height of the cylinder is increasing four times faster than the radius. How fast is the volume of the

    asked by marrisa smith on December 1, 2016
  47. physical science

    The gas in a cylinder has a volume of 3 liters at a pressure of 106 kPa. The pressure of the gas is increased to 208 kPa. Assuming the temperature remains constant, what would the new volume be? = ....L?

    asked by laure on December 18, 2016
  48. physics

    (a) Find the force P that must be applied to a piston of area 10.60 cm2 to produce sufficient fluid pressure to support a car weighing 12,101 N by means of a column of fluid of cross sectional area 285 cm2 as seen in the figure below. F1/A1=F2/A2

    asked by Anonymous on June 12, 2014
  49. science

    if a dentist chair weighs 1600N and is raised by a large piston with a cross sectional area 75.0cm2, what force must be exerted on a small piston of crosssectional area 3.75cm2 to lift the chair

    asked by jalani on February 21, 2017
  50. Physics

    A 2.9-kg 12-cm-radius cylinder, initially at rest, is free to rotate about the axis of the cylinder. A rope of negligible mass is wrapped around it and pulled with a force of 20 N. (a) Find the magnitude of the torque exerted by the rope. (b) Find the

    asked by Kayla on November 9, 2011
  51. physics

    The hydraulic oil in a car lift has a density of 8.54 x 102 kg/m3. The weight of the input piston is negligible. The radii of the input piston and output plunger are 5.01 x 10-3 m and 0.160 m, respectively. What input force F is needed to support the

    asked by help on August 30, 2015
  52. Mat 116/algebra

    A cylinder has a radius of 5 in. If the volume of the cylinder is 250 ¦Ðr¡¼in¡½^3, what is the height of the cylinder? Volume cylinder is AreaBase*height where area of the base is PI*r^2 Volume=PI*r^2 * h solve for h.

    asked by Dee on May 14, 2007
  53. chemistry

    a student weighs out 37.0 grams worth of an unknown liquid into her graduated cylinder while preparing an experiment. Her formerly empty 100 mL graduated cylinder now contains exactly 25mL of liquid. She then adds 3.25 ml of H2O and according to her

    asked by Anonymous on June 24, 2014
  54. chemistry

    An ideal gas is in a cylinder with a volume of 5.5 ✕ 102 mL at a temperature of 25°C and a pressure of 710 torr. The gas is compressed to a volume of 29 mL, and the temperature is raised to 810°C. What is the new pressure?

    asked by Anonymous on November 2, 2013
  55. 8th grade algebra

    Can you clarify when to half the diameter when finding volume of cylinder? I had the following problem: 1. Picture of cylinder with base of 48cm (no dotted lines) and height of 7cm. I thought i would solve by using V = 3.14(24)^2 (7) = 12,660.5 cubic

    asked by Alexis on December 12, 2015
  56. Chemistry

    How many moles of a gas are present in 2.0L cylinder at 1.50 atmospheres and 17 degree's celcius?

    asked by Mayra on May 29, 2016
  57. Chemistry

    What is the pressure in a 22.1-L cylinder filled with 16.3g of oxygen gas at a temperature of 329K?

    asked by Trina Wash on November 24, 2014
  58. Physical Science

    A cylinder contains a gas with the pressure of 125kpa at a temp. of 200k. What is the temp. of the gas at a pressure of 100kpa?

    asked by Mina on April 25, 2012
  59. math

    a bottle of juice completely fills a cylinder 10 inches tall and 4 inches in diameter. if one bottle of juice is poured into a cylindrical pitcher with a diameter of 6 inches, to what depth in inches will it fill the pitcher?

    asked by brianna on April 22, 2014
  60. Math

    Find service area of a cylinder Formula = 2(pi x r^2) + 2(pi)(r)(H) Diameter = 1ft. Height = 4ft. 2(3.14 x 6^2) + 2(3.14)(6)(4) 2(113.04) + 6.28 x 24 226.08 + 150.72 SA = 376.8 ft.

    asked by Sue on April 4, 2016
  61. Physics

    A fountain contains a 3 m tall cylinder with holes placed at a height of 1 m and 2m. The water level is kept constant at a height of 3 m by an input pipe. As water shoots out from the tube, it strikes the fountain pool at some distance x away from the

    asked by Nick on February 9, 2011
  62. chem/some1 check my work plz.

    nitrogen gas contained in a cylinder with a volume of 5.0x10^2 mL @ a temp of 30C and pressure of 710 torr. The gas is then compresse to a volume of 25mL and the temp. is reaised to 820C. what is the new pressure of the nitrogen gas?? Pf=p1*v1*t1/Tf*Vf

    asked by julia on November 17, 2010
  63. calculus help

    A drinking cup is made in the shape of a right circular cylinder. for a fixed volume, we wish to make the total material used, the circular bottom and the cylindrical side, as small as possible. Find the ratio of the height to the diameter that minimizes

    asked by Layla on April 25, 2014
  64. Physics

    A bike pump has a 2.3 cm diameter piston that can move a maximum length of 35 cm. How much work is done on the air in the pump if the initial pressure is 1 atm and the final pressure is 4.4 atm?

    asked by Aly on February 24, 2016
  65. Chemistry

    heptane and water do not mix, and heptane has a lower density (0.684g/mL) than water (1.00g/mL). A 100mL graduate cylinder with an inside diameter of 3.10 cm contains 39.90g of heptane and 34.00g of water. What is the combined height of the two liquid

    asked by Tiffany on January 21, 2012
  66. Chemistry

    A rigid cylinder contains a sample of gas at STP. What is the pressure of this gas after the sample is heated to 410 K? a. 1.0 atm b. 0.50 atm c. 0.67 atm d. 1.5 atm Explain how you get the answer.

    asked by danny123 on December 12, 2010
  67. physics

    a cylinder of diameter 1cm at 30degree celcius is to slid into a hole on a steel plate. the hole has a diameter of 0.9997 cm at 30 degree celcius. to what temperature must be the plate be heated when steel has the alpha 1.1X10^-5/degree celcius

    asked by Tanya on September 2, 2011
  68. Math 8th grade algerbra

    a cylinder has a radius of 3cm and a length of 10cm every dimention of the cylinder is multiplied by 3 to form a new cylinder how is the ratio of the volumes related the ratio of corresponding dimensions? how would i do this?

    asked by Courtney on October 28, 2010
  69. Algebra

    the base of a cylinder is a right triangle topped by a 60 degrees sector of a circle, as shown. if the dimensions are in meters and the height of the cylinder is 8 meters, what is the volume of the cylinder?

    asked by Lana on September 18, 2015
  70. physics

    A string is wrapped around a uniform solid cylinder of radius r. The cylinder can rotate freely about its axis. The loose end of the string is attached to a block. The block and cylinder each have mass m. Note that the positive y direction is downward and

    asked by Gabe on January 22, 2010
  71. Math

    The diagram shows a solid metal cylinder. The cylinder has base radius 2x and height 9x. E cylinder is melted down and made into a sphere of radius r. Find the expression for r in terms of x.

    asked by Eleanor on November 17, 2012
  72. Algebra

    This diagram shows a solid metal cylinder. The cylinder hasbase radius 2x and height 9x. The cylinder is melted down and made into a sphere of radius r Find an expression for in terms of x

    asked by Alex on April 23, 2018
  73. Math- word prolems

    Making a cylinder is costing your company $2/in^2 for top and bottom and $6/in^2 for the body(side). If the cylinder is to have 166.25oz volume, what are the most economical cylinder that you can make and what will be the cost of making it.

    asked by Sam on October 26, 2015
  74. science

    what happens to the volune of a gas inside a cylinder if the temperature does not change but the pressure is reduced

    asked by chris on November 27, 2007
  75. Technology

    Calculate the force required to move a small pistons that has an area of 2m2,if the force of a large piston is 20n with an as area of 4m2.Hint use a formulae :a frorce of small piston divided by an area of small piston equal to force of large pistone

    asked by Anonymous on June 2, 2017
  76. Chemistry

    SHOW WORK A cylinder contains 22g of air. If 77g of air are pumped into the cylinder at constant temperature, how does the pressure in the cylinder change?

    asked by Caitlyn on December 4, 2013
  77. Math

    If the radius of a right circular cylinder is tripled and its altitude is cut in half, then the ratio of the volume of the original cylinder to the volume of the altered cylinder is?

    asked by Timothy on November 9, 2017
  78. math (check)

    find the volume of a cylinder with a diameter of 16mm and a height of 5.7. A.2,292mm^3 . . . 4,584mm^3(i think its this one) . . . 689mm^3 . . . . 1,146 (but i also got an answer close to this but the tens place was 5)

    asked by luna on March 19, 2014
  79. math

    A truck has 5.9L engine in it. 5.9L of the overall displacement in 6 cylinders each 102mm bore (diameter) and 120mm stroke (length). Engine operates at 16.3:1 compression ratio and with 6psi (0.41atm) of boost cruising at 1600rpm. What is the volume of ONE

    asked by Greg on May 4, 2014
  80. Physics

    Different gases have different compression properties. My interest here is the type of gas used to fill a cylinder intended to inflate a liferaft on a ship. I understand it is Co2 or a mixture of Co2 + others? Co2 compresses at 600:1 whereas the

    asked by Mike on October 12, 2007
  81. Physics

    The cylindrical bar in the figure has a total length L=1.2 m, a diameter d=15 mm, and is confined by fixed supports at the walls A and B. A concentrated axial load FC=30 kN is applied to the bar at point C as indicated in the figure, with LAC>LBC. The bar

    asked by XYZ on May 11, 2013
  82. physic

    An air column in a glass tube is open at one end and closed at the other by a movable piston. The air in the tube is warmed above room temperature, and a 350 Hz tuning fork is held at the open end. Resonance is heard when the piston is at a distance d1 =

    asked by sisca on June 1, 2011
  83. chemistry

    A piston is used to compress a gas from 1.0 atm to 3.5 atm. If ther volume changes from 1.5L to 0.75L, what is the final temperature, if it started at 300k? 1050K 700K 525K 300K

    asked by Mario on November 25, 2011
  84. algebra

    A cylinder has a radius of 4x + 2 and a height of 5x + 4. Which polynomial in standard form best describes the total volume of the cylinder? Use the formula v = pi r^2 h for the volume of a cylinder.

    asked by jared on February 22, 2012
  85. physics

    A 7.2 cm tall cylinder floats in water with its axis perpendicular to the surface. The length of the cylinder above water is 1.4 cm. What is the cylinder's mass density?

    asked by kate on November 30, 2010
  86. math

    The cylinder x2+y2=16 divides the sphere x2+y2+z2=100 into two regions I (for the region inside the cylinder), and O (for the region outside the cylinder). Find the ratio of the areas A(O)/A(I) .

    asked by abdul on April 7, 2012
  87. physics

    A garage lift has input and output circular pistons with diameters of 1 cm and 45 cm respectively. The lift is used to hold up a car with a weight of 1.7×103 N. What is the force on the input piston and what pressure is applied to the input piston

    asked by cindy on January 12, 2012
  88. physics 12th

    two halves of a round homogenous cyl inder are held together by a thread wrapped round the cylinder with two weights m are same.the complet cylinder has mass m1=31.4kg find minimum value of m for equlibrium of a cylinder

    asked by abhijit on February 19, 2016
  89. Math

    A cylinder with a radius of 7cm has a capacity of 23000 cm3. a)What is the length/height of the cylinder? b)This cylinder is used to carry water underneath a road. How many cylinders are needed if the road is 500m long?

    asked by Gia on December 3, 2013
  90. physics

    At a pressure 48 kPa, the gas in a cylinder has a volume of 15 liters. Assuming temperature remains the same, if the volume of the gas is decreased to 8 liters, what is the new pressure?

    asked by quick help needed on August 10, 2016
  91. physics

    The handle of a water pump is 90 cm long from its Piston rod if the pivot of handle is at a distance of 15 cm from the Piston rod Calculate: (1) mechanical advantage of the handle. (2) least effort required at its outer and to overcome a resistance of 60

    asked by Anonymous on February 9, 2018
  92. Physics

    I can't figure out how to do this. design an experiment you could construct that might measure the amount of work it takes to change the volume of a gas in a piston. What materials would you use? What would you measure? What results would you expect? What

    asked by Mark on May 18, 2015
  93. Chemistry

    Calculate the translational partition function for Ar confined to a volume of 1000 cm^3 at 298 K. At what temperature will the translational partition function of Ne be identical to that of Ar at 298 K confined to the same volume?

    asked by Clay on April 26, 2012
  94. chemistry help ASAP

    a graduated cylinder contains 20.0 ml of water. when 100.g of a brass cylinder were added to the graduated cylinder, the water level rose to 32.6 ml. given this information what is the density of the brass cylinder?

    asked by elizabeth on September 26, 2011
  95. physics

    A cylinder with a piston contains 0.3 kg of water at 100 degrees C. What is the change in internal energy of the water when it is converted to steam at 100 degrees C at a constant pressure of 1 atm? The density of water is 1000 kg/m^3 and that of steam is

    asked by Chip on September 23, 2013
  96. Chemistry

    A cylinder of argon gas contains 125 mol at a pressure of 150 atm and a temperature of 27°C. After some of the argon has been used, the pressure is 136 atm at 27°C. What mass of argon remains in the cylinder? A) 4.23 × 103 g B) 113 g C) 5.52 × 103 g D)

    asked by Zandria on June 14, 2009
  97. chem

    A balloon is filled with He to a pressure of 1.06 atm. The volume of the balloon at 25oC is 1.30 x 104 L. How many cylinders of He gas are needed to fill the balloon if the pressure in the cylinder at 20oC is 98.5 atm and the volume of the cylinder is 40.0

    asked by Corey on December 2, 2007
  98. science

    What pressure will be exerted by 10 moles of hydrogen gas in a 7.5 L cylinder at 20°C? (Given: R = 8.314 L∙kPa/K∙mol)

    asked by jane doe on July 14, 2011
  99. chemistry

    A gas cylinder of volume 5.00 L contains 1.00 g of Ar and 0.500 g of Ne. The temperature is 275 K. Find the partial pressure of Ne.

    asked by mary on October 20, 2011
  100. Chemistry 105

    What is the pressure in a 10.0-L cylinder filled with 0.470 mol of nitrogen gas at a temperature of 329 K?

    asked by JULIE on October 23, 2011