1. chemistry

    How do you compute the rate of effusion of one gas compared to another, like Neon to CBr4?

    asked by Suzanne on March 17, 2011
  2. chem

    3. Determine the density of chlorine gas at 22C and 1.00 atm pressure.

    asked by Courtney on April 7, 2010
  3. chemistry

    find the molar mass of 7.5gm of a gas occupying 5.8 lt volume at s.t.p.

    asked by nidhi on July 25, 2015
  4. chemistry

    what does copper look like under normal condition(solid,liquid,gas,color,etc)

    asked by anonymous on February 2, 2015
  5. Math

    If our car uses 0.7 gallon of gas in going 10 miles, how much will it use on a 100 mile trip?

    asked by John on January 12, 2016
  6. Chemistry

    Name the gas which reacts with lead acetate solution to turn black.

    asked by Sabale on July 21, 2017
  7. ChM

    Calculate the pressure exerted by 1.2 mol of gas in a volume of 28.2 L and at a temperature of 61 C.

    asked by Anonymous on July 6, 2013
  8. Chemistry

    Would the R (PV=nRT)value go up or down if you had not corrected the gas for partial pressure of water? I was thinking down but im not sure

    asked by Tina on January 21, 2010
  9. chemistry

    what will be the pressure of 0.010m of oxygen gas in a 4.5L flask at a temperature of 10,000C?

    asked by Anonymous on May 2, 2014
  10. chemisty

    what volume will be occupied by 3.25mol of oxygen gas at 735mmhg and 25celcius?

    asked by raw on April 8, 2013
  11. Physical science

    what is the dependent variable in an experimentthat shows how the volume of gas changes with changes in temperture?

    asked by Nat on August 19, 2008
  12. Chemistry

    What gas involved during the reaction between zinc and hydrochloric acid? I know it's hydrogen, but why?

    asked by Danielle on November 11, 2011
  13. Chemistry

    A gas occupies 30 0dm3 at stp what volume would it occupy at 91 and 380mm hg?

    asked by John on January 14, 2015
  14. physics

    The density of a gas is 1.25 kg m – 3 at N.T.P. Find the Root mean square velocity of its molecules.

    asked by aat on December 13, 2017
  15. stoichiometry problem

    how many grams of oxygen gas are needed to react with 5.7 moles of phosphorus

    asked by mimi on June 7, 2010
  16. physics

    A gas occupies 20 dm³at 30°c at 2.5 atm find its volume ayt s.t.p.

    asked by dua on October 6, 2016
  17. chemistry

    how many grams of oxygen are needed to create 437 liters of gas?

    asked by larry on January 31, 2012
  18. Chemistry

    Since gases can be highly compressed, what must be true of the spaces between the molecules of the gas?

    asked by Janice on February 23, 2008
  19. Chem

    How many liters of H2 gas can be produced at 0 ∘C and 1.00 atm (STP) from 48.0 g of Zn? Zn(s)+2HCl(aq)→ZnCl2(aq)+H2(g)

    asked by Megan on November 10, 2015
  20. chem

    What is the relationship between kPa and atm when dealing with measurements of pressure of a gas?

    asked by Anna on November 10, 2008
  21. Chemistry

    Hydrogen sulfide gas is bubbled into a lead (II) acetate solution.

    asked by Daneila on April 16, 2017
  22. chemistryy

    what is the relationship between the pressure of a gas and the absolute temperature when the volume is kept constant ?

    asked by diana on March 8, 2010
  23. CHEMiSTRY

    what is the relationship between the pressure of a gas and the absolute temperature when the volume is kept constant ?

    asked by diana on March 8, 2010
  24. Chem

    What is the volume in liters of 48.0 grams of oxygen gas at 0.0 C and a pressure of 760mm Hg?

    asked by Ana on December 10, 2012
  25. Science

    Which of these is an example of a biomass fuel? 1) oil 2) natural gas 3) wood 4) coal I think #3

    asked by JAMIE on April 18, 2017
  26. physics

    velocit of gas molecule is 3m/s at 1000k. at what temperature velocity becomes 12m/s?

    asked by sunny chauhan on September 15, 2015
  27. chemistry

    How many grams of NaN3 are required to produce 17.4 ft3 of nitrogen gas?

    asked by Kerry on March 8, 2010
  28. chemistry

    diffusion helps detecting leakages in cylinders or gas stoves

    asked by Anonymous on May 27, 2013
  29. Chemistry

    What is the density(g/L) of a gas mixture that contains 27.0% Fe and 73.0% He by volume at 714 mm Hg and 27.5 degrees Centigrade?

    asked by Anonymous on January 20, 2011
  30. science

    Explain why one must the absolute temperature scale to solve gas problems

    asked by Anonymous on March 1, 2012
  31. ics

    Chemistry,what is the k.e of 4 moles of nitrogen gas at 127 degree centigrade?

    asked by usman on November 13, 2015
  32. Chemistry

    What volume of ammonia gas at s.t.p is required to neutralise 40 cm of 2 M sulpheric acid?

    asked by Doris on September 23, 2016
  33. chemistry

    what makes matter exist in three states (solid,liquid,gas)

    asked by sujith on September 29, 2011
  34. chemistry

    What is the density of sulfur dioxide gas at 25 degrees celsius and 754 mm Hg?

    asked by Sarah on February 3, 2011
  35. MATH

    BOB BOUGHT 12 GALLONS OF GAS FOR $33.48. WHAT IS THE UNITED PRICE PER GALLON.

    asked by crystal on May 3, 2011
  36. chemistry

    What is the relationship between the temperature, speed, and kinetic energy of gas molecules

    asked by lynda smith on November 15, 2009
  37. Chem

    What mass of lithium (in g) is required to react completely with 58.3 mL of N2 gas at STP?

    asked by Lee on October 24, 2012
  38. Social Studies (quick thanks)

    i need a gas or oil current event for april 3oth or may1st

    asked by Satnam on May 2, 2011
  39. chemistry

    How much carbon dioxide gas is there in a 34.3 L container at 34.0◦C and 5.49 atm? answer in grams

    asked by tyler on June 9, 2013
  40. Pabarabuk Secondary School ( Subject Chemistry)

    How many grams of oxygen gas are there in 2.3L tank at 7.5atm and 24 degree celsius?

    asked by Joshua Makinta on March 9, 2018
  41. Chemistry

    Discuss the expansion of an ideal gas and changes in thermodynamic properties (3 marks)

    asked by Anonymous on December 26, 2016
  42. chemistry

    If Tums is added to 55.0 {\rm mL} of 0.750 {\rm M}{\rm HCl}, how many grams of {\rm CO}_{2} gas are produced?

    asked by Ivy on April 23, 2011
  43. chemistry

    How many grams of methane gas (CH4) are in a 15.8 liter sample at 1.2 atmospheres and 27°C

    asked by smith on November 1, 2010
  44. Chemistry

    Compare and Contrast the motion of particles in a solid , liquid and gas?

    asked by Robert on October 28, 2010
  45. chemistry

    How the volume of the individual gas particles compared to the distance between each particle?

    asked by Boberto on February 8, 2016
  46. chemistry

    How much hydrogen gas (H2) forms when 54 g of aluminum reacts with excess HCI ?

    asked by Ed on April 16, 2011
  47. chemistry

    how many moles are in a 65L sample of chlorine gas at 10degrees Celcius?

    asked by molly on March 11, 2010
  48. chemistry

    What is the volume occupied by 0.252mol of helium gas at 1.35atm and 305K ?

    asked by Anon on October 31, 2014
  49. 3 states of matter

    hi can you please help me by giving some facts on the 3 states of matter solid liquid gas

    asked by marco on January 28, 2011
  50. Chemistry

    What pressure is required to reduce 34 mL of a gas at standard conditions to 16 mL at a temperature of 20◦C

    asked by Emily on March 29, 2015
  51. Chemistry

    What is the volume in liters of 3.0moles methane gas, CH4, at 12∘C and 1.48atm ?

    asked by rose on October 24, 2013
  52. Chemistry

    When 25.0g of Zn reacts, how many L of H2 gas are formed at 298K abd a oressure of 854mmHg?

    asked by Marie on December 1, 2011
  53. SCI

    some specifics in treating gas and bloating? What are some home remedies that can be used to treat both?

    asked by Dawn on April 8, 2008
  54. chemistry

    how are the absolute temperature and volume of a gas at constant pressure related?

    asked by lynda smith on November 16, 2009
  55. Chemistry

    How much carbon dioxide gas is there in a 43.9 L container at 12.0◦C and 8.78 atm? Answer in units of g.

    asked by Chelsee on January 9, 2018
  56. Chemistry

    At what temperature (oC) will a gas sample occupy 9.8 L if it originally occupies 14.2 L at 25.9oC?

    asked by Sven on October 17, 2011
  57. Chemistry

    What size container do you need to hold 0.0459 mol of N2 gas at stp

    asked by Jimmy B on March 29, 2016
  58. Science

    what volume of NH3 gas at s.t.p. is required to neutralise 40cm3 of 2M H2SO4?

    asked by Anonymous on April 20, 2016
  59. Chem

    A molecule of oxygen gas (O2 ) has a velocity of 2800 m / s. What is its de Broglie wavelength?

    asked by Anonymous on October 23, 2013
  60. chemistry

    At what temperature does 14.2 g of nitrogen gas have a pressure of 3.25 atm in a 14.0 liter tank?

    asked by victoe on April 17, 2012
  61. chemistry

    what is the volume in liters of 4.2 moles methane gas, at 26degree C and 1.40 atm?

    asked by nicole on April 8, 2011
  62. Chemistry

    What mass of phosphine gas yields 3.5x10^-6 moles of PH3

    asked by Cathy on November 9, 2010
  63. science

    which of the following is a posioned gas? option- (a)carbondioxide (b)nitrogen(c)none of these (d) carbon monoxide

    asked by pankaj on April 14, 2016
  64. Chemistry

    if one mole of gas occupies 22.4L at STP what is the volume at 25 degress C. and 3.05 atmosphere?

    asked by Laura on September 25, 2011
  65. Chemistry

    Calculate the pressure of an ideal gas if you have 4.3 L and 2.2 miles at a temperature of 238 K

    asked by Anonymous on April 21, 2017
  66. Chemistry

    What is the density of carbon monoxide gas at 127 celcius and 763 mm Hg?

    asked by Meg on March 25, 2010
  67. chemistry

    2. If you used 0.500 g of Mg and an excess of HCL, how much hydrogen gas should be produced at STP?

    asked by Anonymous on April 5, 2011
  68. Chemistry

    What volume will 12.0 grams of neon gas occupy at 25 degrees C. and 3.05 atmospheres?

    asked by Anonymous on September 25, 2011
  69. URGENT chemistry

    What pressure is exerted by 0.625 mol of a gas in a 45.4 L container at -24.0ºC

    asked by jr on September 7, 2008
  70. Chemistry

    Calculate the volume, in liters, of 5.80×10−3 mol of a gas at 44 ∘C and 0.885 atm .

    asked by em on November 7, 2018
  71. Chemistry

    Calculate the density of F2 gas at 27 degree Celsius and 1.00 atm pressure?

    asked by Amber on November 9, 2010
  72. chemistry

    what is the volume in liters of 4.2 moles methane gas, at 26degree C and 1.40 atm?

    asked by nicole on April 8, 2011
  73. Math

    Which is performing more efficiently? A car getting 12 km per liter of gas or one getting 25 miles per hour?

    asked by Mike on March 19, 2008
  74. chemistry

    what is the mass of 250.0 ml gas at 25 degrees celcious at 0.359 atmosphere

    asked by me on January 10, 2011
  75. chem

    7.75 litres of radon gas is at 1.55 atm and -19 degrees c what is the volume at stp

    asked by sandy on December 10, 2013
  76. science

    Which compound is formed when magnesium oxide combines with nitrogen gas?

    asked by Bhuwan gupta on July 6, 2012
  77. physics

    at what temprature is the average translational k.e of a molecule in an ideal gas equal to 1 ev?

    asked by abdulmueed on October 19, 2015
  78. chemistry

    If 20.0g of nitrogen gas has a volume of 4.00L and a pressure of 6.0 atm, what is its temperature?

    asked by Anonymous on December 1, 2009
  79. 10th Grade Honors Chemistry

    volume of 8.00 grams of hydrogen gas at 32.0 degrees celcius and 1.50 atm

    asked by Theresa on March 26, 2010
  80. Science

    How much Nitrogen Oxide is given off to make electricity from natural gas and coal?

    asked by India on January 4, 2008
  81. science

    got any ideas on how to test what sound travels best through liquid gas or solid?

    asked by reagan on January 2, 2008
  82. math

    The inner circumference of a circular track is 440 m. The track is 14 m wide. Find the diameter of the outer circle of the track.

    asked by g on March 31, 2017
  83. calculus

    Use differentials to estimate the amount of tin in a closed tin can with diameter 6 cm and height 14 cm if the tin is 0.046 cm thick.

    asked by Bob on November 18, 2010
  84. math

    a water tank is supplied by a pipe of diameter50cm the pipe is replaced by k pipe each of which has diameter 10cm.find k.

    asked by rebika on August 9, 2017
  85. Math

    The volume of a cone is 8.1 cubic yards. The cone has a height of 2.4 yd. What is the diameter of the cone to the nearest tenth of a yard?

    asked by Anonymous on October 19, 2014
  86. math

    The inner circumference of a circular track is 440 m. The track is 14 m wide. Find the diameter of the outer circle of the track.

    asked by g on March 31, 2017
  87. algebra

    Find the standard form for the equation of a circle (x−h)^2+(y−k)^2=r^2 with a diameter that has endpoints (−8,−10) and (5,−4). Find the h= -1.5 k= -7 r=? I do not understand how to find the radius.

    asked by Heather on September 15, 2014
  88. chem

    hi can anyone help how do i determine the molecular formular of the oxide of arsenic in its in its gaseous state the answer i got was 17.8 gl -1 for the density, which law do i use is it boyles law or charles law thanks A mol of a gas occupies 22.4 L at

    asked by bex on February 3, 2007
  89. science

    A reflecting spherical Christmas tree ornament has a diameter of 12 cm. A child looks at the ornament from a distance of 18cm. A ... image will form at ... from the ornament

    asked by zeeshan on February 25, 2015
  90. algebra

    How many cubic feet are in the volume of a round swimming pool which is 16 feet in diameter and 4 feet deep throughout? Express your answer in terms of pi.

    asked by Ann on December 14, 2010
  91. Math

    A Circular rug is 6 yards in diameter. Biding for the edge of the rug costs $2.00 per yard . What Will it cost to bind thr rug?

    asked by Rondarious Bailey on July 16, 2013
  92. math

    suppose the diameter of a circle has length d. the length of a chord is c and the length of the arc cut off by the cord is s. express sin(s/d) in terms of c and d

    asked by Anonymous on December 1, 2011
  93. Algebra

    how many cubic feet are in the volume of a round swimming pool which is 16 feet in diameter and 4 feet deep throughout?Express your answer in terms of pi.

    asked by Shane on December 15, 2010
  94. Physics

    A cylindrical object 0.5m in diameter and 2m long weights has a mass of 200kg. The object is floating end-down in water. How many cm of the object are above the waterline?

    asked by Lisa on June 20, 2012
  95. Physics

    The femoral artery carries blood to the leg and has a diameter of 12.5 mm. What is the resistance in a column of blood that is 2.20 cm long if the conductivity of blood is 0.630 Ω-1m-1?

    asked by Sarah on March 6, 2017
  96. algebra

    how many cubic feet are in the volume of a round swimming pool which is 16 feet in diameter and 4 feet deep throughout? express answer in terms of pi.

    asked by tyler on December 16, 2010
  97. science

    A reflecting spherical Christmas tree ornament has a diameter of 12 cm. A child looks at the ornament from a distance of 18cm. A ... image will form at ... from the ornament

    asked by zee on February 25, 2015
  98. Geometry.

    A park has a circular swimming pool. The diameter of the pool is 18 ft. What is the distance traveled if you swim around the edge of the pool once? Use pi = 3.14 A) 36 ft B) 169.65 ft C) 113.10 ft D) 56.52 ft I think it is [D] but I'm not sure.

    asked by Joe on April 15, 2012
  99. maths

    the thickness of a metallic tube is 1 cm and the inner diameter of tube is 12 cm . Find the weight of 1 meter tube long, if the density of metal be 7.8 gram/cm^3

    asked by sona on November 16, 2010
  100. physics

    A 1 meter long rod of diameter 1 cm supports a hanging mass of 10^4kg. The rod stretches by 6.2 mm. What is Young's modulus for the rod?

    asked by Diane on November 22, 2016