1. calculus

    find the volume of solid inside the paraboloid z=9-x^2-y^2, outside the cylinder x^2+y^2=4 and above the xy-plane 1) solve using double integration of rectangular coordinate. 2) solve using double integration of polar coordinate 3)solve using triple

    asked by AIRA on May 10, 2014
  2. Chemistry

    Solutions of sodium hypochlorite, NaClO are sold as bleach. They are prepared by the following reaction: 2NaOH + Cl2 --> NaCl + NaClO + H2O If you have 2.32 mol of NaOH and 2.74 mol of Cl2 ga available to react, answer the following questions Na: 23.0 amu

    asked by Sara on May 1, 2015
  3. Math

    Hello! I need someone o check a couple answers for me please! I really need to get my Math and Science done, so I might be coming back again for my answers to be checked or to have help =) . 1. A car travels 172 miles using 7 gallons of gas. At that rate,

    asked by Annabelle on February 16, 2018
  4. Healthcare management

    What is the fundamental difference between line and functional authority? A. Functional authority can be delegated, line authority can't be. B. Line authority is associated with the individual, functional authority is associated with the position. C. Line

    asked by Anonymous on September 24, 2017
  5. English

    I still have a few parts I'm unsure of. I really hope you can help me. It's urgent, especially the last paragraph n.7 1)In the second stanza, the soldiers succeed in putting on their clumsy gas masks. Someone, however, is still crying out for help, unable

    asked by Mike on April 4, 2011
  6. physics

    A fish takes the bait and pulls on the line with a force of 2.7 N. The fishing reel, which rotates without friction, is a cylinder of radius 0.048 m and mass 0.76 kg. (a) What is the angular acceleration of the fishing reel? ? rad/s2 (b) How much line does

    asked by kelsey on October 23, 2008
  7. maths

    the ratio of total surface area to the curved surface area of a right circular cylinder is 3:2 find the volume if its total surface area is 14784 cm2

    asked by sukanya on December 6, 2015
  8. chemistry

    2nd revision to the question, it is 7.62atm not 7.2atm, its now all correct on the question. sorry again Fluorine and krypton react to form binary compounds when a mixture of the two gases is heated to 500C in a nickel reaction vessel. A 100mL nickel

    asked by alex on May 10, 2011
  9. science

    A block with mass 35kg rests on an incline 13 degrees to the horizontal calculate the : (a) perpendicular weight component (Fc) on the inclined plane; (b) parrallel weight component (Fs) on the inclined plane.. This is the question exactly out of the book

    asked by michelle on September 29, 2006
  10. Math

    The cylindrical bottle sells for $54.00, the conical bottle sells for $20.00 and the spherical bottle for $35.00. What is the best buy per cubic centimeter of perfume? Show work AND explain your reasoning. Cylinder- V=1497.4589878895 cm3 Cone-

    asked by Embershy on November 18, 2016
  11. math

    a company packages snack mix in cylindrical tubes.each tube is made from rectangle of cardboard.the bases of the cylinder are plastic.the cardboard comes in.8.5 inches by 11 inches sheets.to hold the greatest amount of mix should the longger side or the

    asked by Katherine on April 16, 2010
  12. Art

    Which inference about Near Eastern cultures is best supported by this image? (Its a image of Cappadocian Tablet with Cuneiform Inscription Assyrian) A. All citizens of the ancient Near East were excellent writers. B. This tablet describes the only god

    asked by Amber on January 14, 2016
  13. chem

    Now the numbers in the question are correct, (Fluorine = 10.10atm Krypton = 1.24atm). Please help. Fluorine and krypton react to form binary compounds when a mixture of the two gases is heated to 500C in a nickel reaction vessel. A 100mL nickel container

    asked by alex on May 10, 2011
  14. Physics Please check my answers

    1. A fluid can only be a liquid. True

    asked by Chelsea on February 3, 2014
  15. Earth science

    A sphere was dropped into water in a graduated cylinder as shown in the following diagram.The water level rose th the new level shown .What is the volume of the sphere

    asked by Anonymous on September 29, 2014
  16. ipc

    A rock is placed in a graduated cylinder to determine its volume. The following data are obtained. What is the volume of the rock? Initial volume of water: 13.7 mL Final volume of water: 28.9 mL

    asked by hey on April 22, 2015
  17. CHEM

    1. How many moles of water can be made from 4 moles of oxygen gas and 16 moles of hydrogen gas? What is the limiting reagent? 2. Calculate the mass of water produced from the reaction of 24.0 g of H2 and 160.0 g of O2. What is the limiting reagent? 3. The

    asked by Anonymous on June 2, 2008
  18. The Nature of Chemical Reactions

    1. Molarity is to moles of solute over liters of solution as molality is to A. molar concentration over molal concentration. B. moles of solute over kilograms of solvent. C. molal concentration over molar concentration. D. moles of solute over moles of

    asked by Anonymous on October 23, 2011
  19. Chemistry

    These are all true or false questions, and I think some of my answers may be wrong. Could someone please check them for me? 1) All stoichiometry calculations are based on STP conditions. (True) 2. Given the amount of reactant, you must use coefficients

    asked by Lindsay on June 4, 2007
  20. Physics

    Both car A and car B leave school at the same time, traveling in the same direction. Car A travels at a constant speed of 77 km/h, while car B travels at a constant speed of 89 km/h. 1. How long does it take car A to reach a gas station a distance 247 km

    asked by Anonymous on September 8, 2013
  21. physics

    4. Two masses of 3 kg and 5 kg collide head-on, the former moving to the right with the speed 5 m/s and the latter moving to the left with the speed 3 m/s.After collision they stick together. What amount of mechanical energy is lost? 5. A cylinder with a

    asked by ray on May 24, 2010
  22. Physical Science

    1. which of the following should be classified as a suspension? A. soda** B. sand in water C. glass D. milk 2. Which of the following is an of example of a chemical property? A. density B. flammability C. hardness** D. melting point 3. Which state of

    asked by Becky on October 20, 2016
  23. Chemistry

    How many milligrams of oxygen sre in a 4.00-L bottle of the gas at STP?

    asked by SusieQ on April 4, 2011
  24. Science

    Two similar ballon are filled with gas. One with hydrogen and the other with oxygen. Which one will go down first and why?

    asked by Chinedu on May 6, 2012
  25. science

    dose the flame of a gas stove emit light

    asked by sharad on August 16, 2017
  26. Chemistry

    What would increase the pressure inside a tank of helium gas?

    asked by Monique on January 25, 2008
  27. Chemistry

    What is the volume of 0.255 moles of gas held at 1.75atm and 10°C?

    asked by J.Gomez on May 25, 2011
  28. 5th grade

    can a solution be made by mixing a solid, liquid and a gas?

    asked by Jon on October 8, 2010
  29. chemistry

    What is the volume of 1.40 moles of nitrogen gas at 20.0°C and 770. torr?

    asked by Kiesha on November 15, 2010
  30. chem

    If the wet H2 gas occupies a volume of 6.84 L, how many moles of H2 are formed?

    asked by jen on October 16, 2010
  31. Science

    Reaction between potassium dichromate and sulphir dioxide gas?

    asked by Sahil lesnar on June 5, 2017
  32. math

    what is the unit rate for 22 gallons of gas to go 682 miles

    asked by luke on January 2, 2013
  33. Chemistry

    How many grams of hydrogen are there in 140g of ethylene (C2H4) gas?

    asked by Shannon on October 29, 2018
  34. chem

    How many moles of O2 contained in 5.25L of a gas at 26 degrees C and 1.2 atm?

    asked by grissy on July 22, 2015
  35. Chemistry

    What is the density, in grams per liter, of N subscript 2 gas at STP

    asked by Michelle on January 25, 2013
  36. Chemistry

    A gas initially at 20 C must be changed to ____ C to triple the pressure.

    asked by Hunter on February 1, 2008
  37. Chemistry

    At what pressure would 0.150 mole of nitrogen gas at -23.0^o C occupy 8.90 L ?

    asked by Boberto on February 15, 2016
  38. chemistry

    A gas initially at 30C must be changed to ? C to triple the pressure.

    asked by jessica on February 1, 2008
  39. Chemistry

    Calculate the temperature, in K, of 2.20 moles of gas occupying 3.50 L at 3.30 atm.

    asked by jswass on October 18, 2010
  40. chemistry

    What gas volume does the water have at a temperature of 100 and 1 pressure?

    asked by olivia on May 10, 2010
  41. earth science

    why do they call oil and natural gas "fossil" fuels?

    asked by michelle on January 13, 2011
  42. chemistry

    how to separate the mixtures of methane gas and carbon dioxide

    asked by clive on May 23, 2015
  43. biology

    Name the 4 factors that control the amount and rate of gas exchange.

    asked by Kim K on October 27, 2011
  44. Chemistry

    A gas initially at 20C must be changed to ? C to triple the pressure.

    asked by nate on January 31, 2008
  45. Chemistry

    which must be a mixture of substances? 1. solid 2. liquid 3. gas 4. solution

    asked by John on November 7, 2007
  46. science

    how much chlorine gas in grams is obtained from the decomposition of 10.0g NaCl

    asked by jasmine on May 2, 2010
  47. chemistry

    what two metals that will not generate hydrogen gas when treated with an acid?

    asked by nicole on March 26, 2010
  48. science

    What is the average velocity of the argon atoms in the gas phase at 75°F?

    asked by Mike on May 18, 2011
  49. chemistry

    what is the density of methyl gas at 25 degrees celcious and 1.50 atmosphere.

    asked by me on January 10, 2011
  50. Chemistry

    What is the volume of 2.0 moles of an ideal gas at 290 K and 2.8 atm?

    asked by Anonymous on April 22, 2015
  51. yeast breads

    what creates the gas in breads like pizza & english muffins?

    asked by Anonymous on October 26, 2009
  52. Chemistry

    What is the definition of Combined Gas Law? I can't find it in my book anywhere.

    asked by Kevin on May 18, 2011
  53. chemistry

    what is a balnced equation for for hydrogen gas burnes in air

    asked by brianna on February 28, 2010
  54. Chemistry 3A

    what volume would 10.5 g of nitrogen gas, N2, occupy at 200 K and 2.02 atm?

    asked by Gurjot on December 4, 2012
  55. physics

    What is the temperature of 0.54{\rm mol} of gas at a pressure of 1.3{\rm atm} and a volume of 10.9{\rm L} ?

    asked by Anonymous on May 12, 2013
  56. Chem

    What volume do 3.8 x 10^22 molecules of NO2 gas occupy at STP?

    asked by Dawn on November 8, 2010
  57. Chemistry Gd 11

    How many molecules of product would be produced from 10g of chlorine gas ??

    asked by Tarkan on November 9, 2010
  58. Math

    A car travels 300 miles on 15 gallons of gas

    asked by Sienna on August 31, 2017
  59. physics

    Show that beta = 3 alpha Why a gas has two heat capacities?

    asked by paula on March 10, 2010
  60. Science

    Reaction between potassium dichromate and sulphur dioxide gas??

    asked by Sahil lesnar on June 5, 2017
  61. Chemistry

    What is the density of hydrogen gas at 25 degrees celius and 1 Atm?

    asked by Michelle on March 24, 2010
  62. Chemistry

    A gas at 1.5 atm, 2.3L, and 23degreeC changed to 1.0 atu and 2.8L. What is the new temperature?

    asked by Zach on May 21, 2011
  63. chemistry

    What is the volume occupied by 0.738g of xenon gas at STP?

    asked by tiffany on April 23, 2015
  64. science

    To What change of state does the term fusion apply? Gas??

    asked by megan on October 22, 2009
  65. chemistry

    which is the only noble gas listed that is stable at 0 degrees celsius?

    asked by ryan on February 23, 2010
  66. chemistry

    condensed (noble gas core) configuration for Ag, Br-, Ga3+

    asked by Anonymous on August 11, 2013
  67. Heat and property matter

    When a gas in a container is squeezed to half its volume,its density

    asked by Hammed on April 23, 2015
  68. science

    what allows water to change to all three states (liquid,gas,solid)

    asked by amy on May 19, 2011
  69. science

    Can a solution be made by mixing a solid,liquid,and gas?

    asked by 5th physical prop of matter on November 11, 2010
  70. chemistry

    Convert 66 moles of NO2 gas at STP to liters

    asked by michi on December 30, 2010
  71. chemistry

    how much hydrogen gas evolves on electrolysis of 1 liter of water?

    asked by Anonymous on June 20, 2011
  72. Physical Chemistry

    If 5.00 mL of 3% H2O2 is decomposed, how many mL of gas will be produced at 1.01 bar and 25C?

    asked by Michelle on August 31, 2015
  73. Chemistry-PLease help!

    What is the density of CO2 gas at -25.2 degrees celsius and 98.0kPa?

    asked by lavonne on December 8, 2010
  74. chemistry

    A gas measures 500 ml at a temperature of -23 C. Find its volume at 23 C.

    asked by mary ann on March 29, 2011
  75. physics

    Describe what causes pressure in gasesin terms of the particles in the gas

    asked by tuche on November 25, 2018
  76. chemistry

    write the specific heat water and liquid and gas

    asked by kk on December 1, 2014
  77. CHEMISTRY

    Are you always solving for final volume in the combined gas law?

    asked by Daniel on October 24, 2012
  78. chemistry

    A gas occupies 8.2 liters at 2.5 atm. What is the pressure if the volume becomes 7.5 L?

    asked by Dylan on March 4, 2011
  79. Chemistry Lab

    Does the pressure exerted by a gas depend on its molar mass?

    asked by Heather on October 22, 2012
  80. chem

    Calcualate the volume of 0.300mol of gas at 60 degrees C and 0.821atm.

    asked by bill on March 30, 2008
  81. chem

    If Tums is added to 50.0 of 0.600 , how many grams of gas are produced?

    asked by Anonymous on November 24, 2009
  82. Chemistry

    How much volume will be occupied by 2 mole CO2 gas at stp?

    asked by Mimi on June 25, 2018
  83. physics

    At what temperature do the molecules of nitrogen gas have an rms speed of 35 ?

    asked by Anonymous on November 22, 2009
  84. chemistry

    what is the volume occupied by 2 moles of ammonia at s.t.p(1mole of gas at s.t.p=22.4)

    asked by henry on May 4, 2015
  85. Math

    Hector gas tank was 3/4 full. What percent was emdpty

    asked by Hyna on January 28, 2015
  86. chemistry

    Which must be a mixture of substances? a- Solid b- Liquid c- Gas d- Solution

    asked by John on March 6, 2008
  87. Missouri

    Calculate the mass of 2.50 x 104 molecules of nitrogen gas?

    asked by John on February 28, 2011
  88. Chemistry

    What volume in liters would contain 5.30 x 10^24 molecules of hydrogen gas at STP?

    asked by Bay on February 19, 2013
  89. chemistry

    Determine the number of grams of gas in 1.5 x 10^13 atoms of helium?

    asked by Toni Jones on February 28, 2011
  90. Chemistry

    Calculate the number of molecules in 4grams of oxygen gas

    asked by V A F E on November 7, 2017
  91. CHEM

    what volume would 10.5g of nitrogen gas, N2, occupy at 200.K and 2.02atm?

    asked by tracy on November 2, 2012
  92. chemistry

    When 25.0 g of Zn reacts, how many L of H2 gas are formed at 25 °C and a pressure of 854 mmHg?

    asked by kellie on April 19, 2010
  93. chemistry

    What is the density of CO2 gas at -25.2 degrees celsius and 98.0kPa?

    asked by lavonne on December 8, 2010
  94. physical science

    using the cinetic theory explain what caused gas pressure

    asked by Jaycee on October 7, 2014
  95. chemistry

    at what temperature does 16.3 g of nitrogen gas have a pressure of 1.25 atm in a 25.0 - L tank?

    asked by cc on April 13, 2010
  96. instrumentation

    write note on gas in metal,vapour pressure

    asked by raffy on February 20, 2011
  97. chemistry

    A gas occupies 8.2 liters at 2.5 atm. What is the pressure if the volume becomes 7.5 L?

    asked by Dylan on March 4, 2011
  98. chemistry

    What is the temperature of 0.65 mol of gas at a pressure of 1.1 atm and a volume of 11.2 L?

    asked by Anonymous on November 8, 2010
  99. Chemistry

    How can you differentiate between the solid and the gas states at the molecular level?

    asked by lizzie on February 20, 2008
  100. chemistry

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

    asked by lynda smith on November 16, 2009