1. Chem

    Do Ozone gas decomposite naturally under IR rays?

    asked by Emma on August 22, 2017
  2. Science 8th grade

    what gets hot and cold faster, solid or gas and why?

    asked by Anon on March 22, 2013
  3. math

    78.125gal round to a decimal in gas terms

    asked by verkesia on July 3, 2012
  4. Chemistry

    Do Ozone gas decomposite naturally under IR rays?

    asked by Emma on August 22, 2017
  5. Science

    Does sound travel through a solid, liquid, gas or all of the above

    asked by Amy on February 20, 2013
  6. Chemistry

    What special precautions should be taken when generating hydrogen gas?

    asked by Brie on May 13, 2015
  7. science

    why gas has no effect on wet litmus paper

    asked by brefo on February 20, 2012
  8. physics

    How many coulombs of positive charge are in 3.8 mol of O2 gas?

    asked by deb on March 8, 2010
  9. chemistry

    calculate the dimensions of a cube that contains 22.4L of gas at STP.

    asked by Kelsey on February 10, 2013
  10. chemistry

    How do gas particles exert pressure on their container?

    asked by Blah on January 23, 2015
  11. CHEMISTRY

    Why does decreasing the volume of a gas cause nonideal behavior?

    asked by ~anonymous on May 18, 2010
  12. science

    calculate the number of atoms in 50 dm^3 nitrogen gas.

    asked by meizo on September 16, 2018
  13. chem

    Releasing oxygen gas, A physical change?

    asked by Patti on March 10, 2010
  14. Physics

    What happens to the internal energy of an ideal gas when it is heated from 0C to 4C?

    asked by Lala on January 17, 2012
  15. molarity

    what is molarity when 12L of water contains 3.4mol of CO gas

    asked by cha'nae on December 11, 2008
  16. basic heating systems

    primary air for gas combustion is drawn in at the

    asked by wayne on January 5, 2011
  17. PHYSICAL CHEMISTRY

    explain why R is ACONSTANT IN THE IDEAL GAS EQUATION

    asked by JUDITH on June 11, 2010
  18. physics

    What happens to the internal energy of an ideal gas when it is heated from 0C to 4C?

    asked by Lala on January 18, 2012
  19. Properties and changes of matter

    what gets hot and cold faster, solid or gas and why?

    asked by Anonymous on March 24, 2013
  20. Chemistry

    What is the number of molecules in 22. 4 dm^3 of nitrogen gas at STP?

    asked by Vinayak on August 12, 2016
  21. science

    Does the flame of gas stove emit light

    asked by Shaswat on February 20, 2015
  22. Science

    Calculate the no:of moles of a gas in 44.28L at STP

    asked by Nisha on October 7, 2017
  23. Chemisry

    How many moles of oxygen are present in 8g of oxgen gas.

    asked by Abba on February 26, 2011
  24. basic heating systems

    primary air for gas combustion is drawn in at the

    asked by wayne on January 5, 2011
  25. Math

    Q) 'What are the dimensions of a cylinder that has the same maximum volume as the box (1131.97 cm2), but uses the minimum amount of material to make it?' Here are the notes I have so far: SA=2Pi r^2 + 2 Pi r (1131.97/Pi r^2) Now i need to use derivatives,

    asked by Josh on November 10, 2007
  26. physicis

    A cylinder 15 cm long and 9 cm in radius is made of two different metals bonded end-to- end to make a single bar. The densities are 4.3 g/cm3 and 6.3 g/cm3. 15 cm 9 cm radius What length of the lighter-density part of the bar is needed if the total mass is

    asked by imani on July 22, 2016
  27. physics

    Some European trucks run on energy stored in a rotating flywheel, with an electric motor getting the flywheel up to its top speed of 120 ð rad/s. One such flywheel is a solid, uniform cylinder with a mass of 270 kg and a radius of 1.10 m. (a) What is the

    asked by jr on February 24, 2011
  28. Statics

    You have a stainless steel hollow rod (E=193GPa,ν=0.29) that has an inner radius r of 1.2cm, a wall thickness t of 0.7mm, and a length L of 5cm. Calculate the critical loads, in kN, for local buckling and Euler bucking (Pcr,local and Pcr,Euler,

    asked by Anjum on October 28, 2017
  29. Physics(Help!!!!!!)

    A stick of length l = 65.0 cm rests against a wall. The coefficient of static friction between stick and the wall and between the stick and the floor are equal. The stick will slip off the wall if placed at an angle greater than θ = 39.0 degrees. What

    asked by keitanako on December 9, 2013
  30. math

    For some surfaces, the normal lines at any point pass through the same geometric object. What is the common geometric object for a sphere? What is the common geometric object for a right circular cylinder? Explain.

    asked by anon on October 16, 2018
  31. Math

    Q#1-josh just put new tires on his car. if the wheels have a diameter of 14 inches, determine how far will the wheels travel in 3 revolution, to the nearest hundredth? Q#2-Melanie wants to put ribbon around the circumference of a circular section of the

    asked by May on January 18, 2015
  32. Grade 9 science

    What is an example of a homogeneous mixter that is a solid liqued or gas an example of homogeneous mixter that is a solid Steel is a homogenous mixture of iron, carbon, and other metals. air is a homogenouse mixture of gas Sea water is a homogenous mixture

    asked by Layal on October 11, 2006
  33. chemistry

    Compare the three types of bonds based on valence electrons. Explain why S-H bond lengths are longer than O-H bond lengths. Which element has a greater bond energy, oxygen or nitrogen and why. Determine if the following compounds are likely to have ionic

    asked by mido on December 13, 2010
  34. chemistry

    How are gases and vapors different? Most use gases and vapors interchangeably. I looked up both words in my copy of Webster's and found gas listed vapor as a synonym and vapor listed gas as a synonym. However, some of the definitions for vapor listed

    asked by Carter on September 10, 2006
  35. Physics

    The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000cm? ANS = kN (Round to 3 decimal places) Safety = 5.000 Rod diameter =

    asked by Danny on July 2, 2013
  36. Physics

    The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000cm? ANS = kN (Round to 3 decimal places) Safety = 5.000 Rod diameter =

    asked by Danny on July 3, 2013
  37. Physics(Stress&Strain)

    The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000cm? ANS = kN (Round to 3 decimal places) Safety = 5.000 Rod diameter =

    asked by Danny on June 29, 2013
  38. Physics

    The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000cm? ANS = kN (Round to 3 decimal places) Safety = 5.000 Rod diameter =

    asked by Danny on July 1, 2013
  39. Physics (Stress&Strain)

    The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000cm? ANS = kN (Round to 3 decimal places) Safety = 5.000 Rod diameter =

    asked by Danny on June 28, 2013
  40. Physics

    The Ultimate strength of a round steel rod is 630.000MPa. If a factor of safety of 5.000 is required, what is the maximum permissible load for the rod if it has a diameter of 3.000cm? ANS = kN (Round to 3 decimal places) Safety = 5.000 Rod diameter =

    asked by Danny on July 2, 2013
  41. physics

    I once was given a metal whiskey flask for being in my cousin’s wedding. When it got dented, I put in 1 gram of H2O (initially 21°C, just like the air filling the rest of the flask) and heated it up to boil the water. It popped the dent out. Assume the

    asked by sumsum on March 20, 2014
  42. Physics

    I once was given a metal whiskey flask for being in my cousin’s wedding. When it got dented, I put in 1 gram of H2O (initially 21°C, just like the air filling the rest of the flask) and heated it up to boil the water. It popped the dent out. Assume the

    asked by SumSum on March 20, 2014
  43. physics

    I once was given a metal whiskey flask for being in my cousin’s wedding. When it got dented, I put in 1 gram of H2O (initially 21°C, just like the air filling the rest of the flask) and heated it up to boil the water. It popped the dent out. Assume the

    asked by mike on April 3, 2014
  44. Math:

    Fred’s net monthly income is $3933.12 Rental: $700 Car Payment: $363.75 Car Insurance: $46.16 Life Insurance: $8793.75 Savings: (Fred wants to save 5% of his monthly income.) Fred estimates that she will need: $100 a month for electricity $240 a month

    asked by BeckyStar on January 22, 2010
  45. physics

    You set out to design a car that uses the energy stored in a flywheel consisting of a uniform 97-kg cylinder of radius R that has a maximum angular speed of 330 rev/s. The flywheel must deliver an average of 1.70 MJ of energy for each kilometer of

    asked by Jack on November 8, 2012
  46. physics

    A mass m = 11.0 kg rests on a frictionless table and accelerated by a spring with spring constant k = 4979.0 N/m. The floor is frictionless except for a rough patch. For this rough path, the coefficient of friction is μk = 0.46. The mass leaves the spring

    asked by hater of physics on September 28, 2012
  47. Chemistry

    What will happen to the number of moles of SO3 in equilibrium with SO2 and O2 in the following reaction in each of the following cases? 2 SO3(g) equilibrium reaction arrow 2 SO2(g) + O2(g) ΔH° = 197 kJ (a) Oxygen gas is removed. increase decrease stay

    asked by Sally on March 15, 2015
  48. Physics,2.01x

    The shaft ACB, of constant outer diameter 2R and length 2L, is fixed to walls at both ends A and B. The left half of the shaft (AC) is solid, while the right half (CB) is hollow, with an inner diameter 2√R. The right half, CB, is subjected to a uniform

    asked by Uncle Sam on July 23, 2013
  49. college physics

    small one-cylinder gasoline engines sometimes use a device called a magneto to supply current to the spark plug. A permanent magnet is attached to the flywheel, and a stationary coil is mounted adjacent to it. Explain how this device is able to generate

    asked by Anonymous on March 8, 2013
  50. physics

    Each of the following objects has a radius of 0.180 m and a mass of 2.65 kg, and each rotates about an axis through its center (as in the table below) with an angular speed of 41.4 rad/s. Find the magnitude of the angular momentum of each object. a) a hoop

    asked by anonymous on December 16, 2012
  51. physics

    Each of the following objects has a radius of 0.180 m and a mass of 2.65 kg, and each rotates about an axis through its center (as in the table below) with an angular speed of 41.4 rad/s. Find the magnitude of the angular momentum of each object. a) a hoop

    asked by anonymous on December 16, 2012
  52. Chemistry: Please check answers

    12. What balances charges that may build up as reduction and oxidation occur in a voltaic cell? *the salt bridge one of the half-cells the electrolyte solutions the moving electrons 13. What is the electrode in the center of the most common dry cell made

    asked by Cassie on April 9, 2013
  53. Chemistry

    1. Out of all the "8" gases [Argon, Hydrogen, Nitrogen, Oxygen, Air, Helium, Methane, Carbon Dioxide], which one is the most likely to depart from the ideal gas behavior? Why? 2. Out of all the "8" gases [Argon, Hydrogen, Nitrogen, Oxygen, Air, Helium,

    asked by Michael on November 13, 2011
  54. Physics

    Hello. I'm having difficulty with this question In the diagram, the coefficient of kinetic friction between the 2.00 kg and the 3.00 kg blocks is 0.300. The horizontal surface and the pulleys are frictionless, and the masses are released from rest. (a)

    asked by Priya on October 20, 2012
  55. Physics

    A ball of volume V=8 L is full of air with pressure higher than atmospheric pressure by Δp=2×10^4 Pa. The total mass of the ball and the air inside is 200 g. The ball is tossed up to a height h=20 m, then it falls down, collides with the ground, and

    asked by MAths lover Please Helppppp on April 30, 2013
  56. physics

    1) In 2011, the total of all residential customers in Halton Region used 54 540 000 m3 of water. Halton Region has a population of around 500 000 people and Milton (part of Halton Region) has a population of around 85 000 people. Assuming all people in

    asked by sara on November 15, 2014
  57. physics

    The dome of a Van de Graaff generator has a diameter of 32.0 cm and is surrounded by dry air with a 'breakdown' electric field of 3.00 106 V/m. What is the maximum potential of the dome?

    asked by Lily on August 28, 2013
  58. Physics

    Iam looking for the entire formula on how to solve this. If a person on a 35.0 m diameter Ferris wheel feels 30% heavier at the bottom of the wheel, how fast is it going around? Is N/Mg = 1 + v^2/Rg actual weight

    asked by Iworlock on October 12, 2014
  59. Math

    A marble is 12mm in diameter. What is the smallest height box that is 96mm square that can hold 200 marbles and still have the lid fit on the box without interference?

    asked by Sally on February 27, 2011
  60. chemistry

    A current of 8.959 milliamps (10-3 A) is measured flowing through a tungsten wire of diameter 0.1 mm and 9 cm long when 1.7 mV is applied. What is the resistivity of tungsten? Express your answer in ohm-m.

    asked by ocre on May 11, 2015
  61. math

    Find the exact value of the volume of a can of green beans with a diameter 8 centimeters and height of 12 centimeters. Include correct units with your solution. Use "pi" in place of the pi symbol.

    asked by kozy on May 8, 2011
  62. Math

    a marble is 12mm diameter. What is the smallest height box that is 96mm square that can hold 200 marbles and still have the lid fit on the box without inference

    asked by Tierra on March 3, 2011
  63. Power circuit theory

    A three phase fully transposed transmission line ha s solid conductors of 2 cm diameter, spaced at distances between centres of 3.65 m, 5.5 m and 8.2 m. Determine the inductance of the complete line per km.

    asked by Md on August 20, 2014
  64. Physics

    A washing machine drum has a diameter of 46 cm and spins at 400 revolutions per minute. Find the centripetal acceleration at the drum's surface. Give your answer in m/s

    asked by Jason on September 30, 2014
  65. physics

    a motor cycle wheel has a diameter of 75cm.During a contest journey,the wheel makes 3000 complete revolutions.how many metres does d motorcycle travel.

    asked by Anonymous on April 8, 2013
  66. science

    As mentioned before, our asteroid is in the shape of a sphere and has a mass of 2000 kilograms. Determine the density (in grams per cubic centimeter) of this asteroid if its diameter is known to be 1.2 meters.

    asked by stacy on October 11, 2014
  67. math

    One ounce of icing covers an area of about 12 inches2. How many ounces of blue icing are needed to cover the top of a round cake that has a diameter of 14 inches?

    asked by brigit on May 4, 2015
  68. geometry

    In the accompying diagram of circleo, diameter ad,chord AE,ans secantsCAB and CDE are drawn ; m angle BAD=40;and m arch AE=5((m arch ED) what is the measure of ACE?

    asked by Vanna on March 11, 2012
  69. following previous question

    would what the nature of the shadow on the floor be if the point of source of light is replaced by a luminous disc of diameter 5 cm, whose centre lies directly above the centre of the card?

    asked by SABRINA on August 27, 2012
  70. Physics

    A Ferris wheel, 24.0 m in diameter, rotates once every 12.5 s(see the diagram.) What is the fractional change in a person'sapparent weight (a) at the top, and (b) at the bottom, as comparedto her weight at rest?

    asked by Jade on March 9, 2016
  71. math

    Isosceles Triangle ABC is inscribed in a circle with radius 12cm. Aide AB is a diameter. Determine the perimeter of the triangle, correct to one decimal place.

    asked by Amy on July 27, 2009
  72. Mechanics

    A tendon is stretched slightly under the force T of 1000 N. How much will the tendon stretch under this load, in mm to one decimal place, if the diameter is 4 mm, the length is 30 mm, and the Young's Modulus is 1.5 GPa?

    asked by Nomi on December 22, 2013
  73. Physics please help!!

    A 60cm diameter bike wheel starts at rest and develops an angular speed of 12.0 rad/s in 10 seconds. What linear distance does the bike travel?

    asked by Megan on February 23, 2011
  74. magnetism

    A straight copper wire that is 1 millimeter in diameter carries a current of 20 milliamps. What the magnitude of the largest magnetic field created by this wire in Tesla?

    asked by Hans on December 18, 2013
  75. physics

    The inside diameters of the larger portions of the horizontal pipe depicted in Figure P9.47 are 2.80 cm. Water flows to the right at a rate of 1.80 10-4 m3/s. Determine the inside diameter of the constriction.

    asked by henry on June 21, 2012
  76. math

    A stone dropped into water produces a circular ripple which increases in radius at a rate of 1.50 m/s. How fast is the area increasing within the ripple when its diameter is 6.00m?

    asked by Anonymous on April 26, 2012
  77. phyics

    A very long 1.75 cm diameter glass rod has one end ground and polished to a convex spherical surface that has a 7.30 cm radius. The glass material has an index of refraction 1.56.

    asked by Anonymous on February 20, 2014
  78. physics

    What mass could be lifted by the centrifugal force of an object having a mass of 98 g if it were revolving in a horizontal circle, 20cm in diameter, and making 240 revolutions per minute?

    asked by mairel on January 18, 2011
  79. Physics

    Spin and Barf Ride Rotor diameter is 4.0 m. Minimum period of rotation is 1.7 s. The ride lasts 110 s. 1. What is the tangential velocity? 2. What is the centripetal acceleration is m/s2 and g’s?

    asked by John on January 19, 2011
  80. Physics

    Young modulous of the material is 9.68×10^10N/m^2. A wire of diameter o.95mm is streched by applying certain force. What should be limit of force if in strain is not to exceed 1 in 1000

    asked by Mayur on August 30, 2018
  81. Math

    Susan designed a circular pool with a diameter of 25 meters. What is the area of the bottom of the pool? Round to the nearest tent. Please help this is due tomorrow and I need to up my grade.

    asked by Gavin on March 11, 2014
  82. Math

    The radius of the larger circle is 9cm. The diameter of the smaller circle is 11cm. Find the area of the shaded region. I don't understand this questions at all please help.

    asked by Serena on January 28, 2017
  83. algebra

    The diameter of a valve for the space shuttle must be within 0.001 mm of 5 mm. Write and solve an absolute-value equation to find the boundary values for the acceptable diameters of the valve.

    asked by buttercup on August 30, 2016
  84. MATH

    Find the diameter of the sphere to the nearest inch given the surface area is 271.6 square inches. I know the formula is v= 4 over 3 pie r square but how do I connect the question to it?

    asked by charlene on June 10, 2013
  85. physics

    How many excess electrons must be distributed uniformly within the volume of an isolated plastic sphere 28.0 in diameter to produce an electric field of 1500 just outside the surface of the sphere?

    asked by How many excess electrons must be distributed unif on February 10, 2010
  86. Geometry

    A wheel with a radius of 13 rolls along level ground and makes 4 1/2 revolutions per second. Assuming the circumference to be 3.1416 times the diameter, how far does the wheel travel in 8 seconds?

    asked by Anna on August 23, 2010
  87. Physics

    How do you conclude the answer to the following : What will be the approximate pressure (bar/psi ) for a bullet shaped object weighing 35kg..500mm diameter x 900mm. to travel horizontally for a distance of 30 metres before landing..

    asked by Cory on January 13, 2012
  88. physics

    An 8 hour exposure to a sound level of 95.0 dB may cause hearing damage. What energy in joules falls on a 0.850 cm diameter eardrum so exposed? I try to use k = IAT = (1*10^-3)(0.0085^2)(8*3600)=0.00208 but answer is not correct.

    asked by Justin on August 2, 2013
  89. Physics

    How do you conclude the answer to the following : What will be the approximate pressure (bar/psi ) for a bullet shaped object weighing 35kg..500mm diameter x 900mm. to travel horizontally for a distance of 30 metres before landing..

    asked by Cory on January 13, 2012
  90. Physics

    A fast-moving superhero in a comic book runs around a circular, 70-m-diameter track five and a half times (ending up directly opposite her starting point) in 3.0s. What is her angular speed, in rad/s?

    asked by Leanna on March 8, 2013
  91. Physics Classical Mechanics

    Three smooth balls of iron of mass m and radius R are placed inside a tube of diameter 3R (see Figure). Find the magnitude of the forces (A, B, C and D) exerted by the sides of the container on each ball. Write your answers in terms of m, g and R. A= B= C=

    asked by Anonymous on November 27, 2013
  92. Marine Physics

    A cylindrical container is 30cm in diameter. If is filled at rest by 20 cm of fresh water, and then spun at 30 rpm. after state of solid body rotation is achieved, what is the difference in level between the rim and the center

    asked by Ahmed Ali on March 8, 2013
  93. Marine science

    A cylindrical container is 30cm in diameter. If is filled at rest by 20 cm of fresh water, and then spun at 30 rpm. after state of solid body rotation is achieved, what is the difference in level between the rim and the center

    asked by Ahmed Mohammed Ali on February 23, 2013
  94. physics

    A fast-moving superhero in a comic book runs around a circular, 70-m-diameter track five and a half times (ending up directly opposite her starting point) in 3.0 s . What is her angular speed, in rad/s?

    asked by Shakira on November 14, 2015
  95. History: Check answers

    “Our prosperity rests on the basic [beliefs] that the work of free individuals makes a nation—and it is the job of Government to help them do the best they can... that our greatest resource is the health and skills and knowledge of our people... that

    asked by Cassie on March 7, 2013
  96. Geometry

    A cylinder flower pot with open top needs to be painted. The height is 9 inches and radius is 3 inches. If it takes Troy 5 minutes to paint 40 square inches, how long to the minute will it take him to paint the outside of the flower pot.

    asked by Mary on May 23, 2011
  97. Chemistry

    Sulfur dioxide reacts with oxygen to form sulfur trioxide according to the equation 2SO2(g) + O2(g) 2SO3(g) Samples of sulfur dioxide, oxygen, and sulfur trioxide were added to a flask of volume 1.40 dm^3 and allowed to reach equilibrium at a given

    asked by Autumn on November 20, 2017
  98. Chemistry

    When solid magnesium nitride reacts with water the reaction produces solid magnesium hydroxide and ammonia gas. If 22.9 grams of magnesium nitride are added to 31.0 grams of water, how many liters of ammonia should be produced (assuming standard

    asked by Jay on September 15, 2017
  99. calculus

    A cone of radius r centimeters and height h centimeters is lowered point first in at a rate of 1 cm/s into a tall cylinder of radius R centimeters that is partially filled with water. How fast is the water level rising at instant the cone is completely

    asked by Dan on November 19, 2010
  100. England

    Could you please check these sentences, too? Thank you. 1) While the monster is learning the ways of humans, he is confined to a cottage, and is only able to leave it at night. 2) Mary Shelley’s parents were heavily influenced by the ideas of the French

    asked by Henry2 on December 12, 2011