1. Chemistry

    How many moles of gas would be in 2.0 L of oxygen at STP?

    asked by Camilla on November 12, 2011
  2. Chemistry

    How many grams of CO(g) are there in 67.0mL of the gas at 0.826atm and 30 ∘C?

    asked by Brandon on March 21, 2015
  3. Chemistry (on gas laws)

    What is the mass of 3.91 L of fluorine gas at STP?

    asked by Susan on May 10, 2011
  4. chemistry

    The molar volume of an ideal gas is

    asked by Xaim on June 16, 2015
  5. science

    IS GAS THE MOST IMPORTANT STATE OF MATTER?

    asked by SSS on September 21, 2008
  6. Science

    When a gas gets cold, what does it become? A solid or liquid?

    asked by Ana on March 12, 2008
  7. physics

    Internal energy for real gas

    asked by Anonymous on November 11, 2017
  8. science

    what is the action of chlorine gas on ethane

    asked by vishwajit on August 23, 2016
  9. chemistry

    when 25.0 g of Zn reacts how many L of H2 gas are formed at STP

    asked by Stephanie on July 5, 2010
  10. physics

    Internal energy for real gas

    asked by Anonymous on November 11, 2017
  11. Chemistry

    The most abundant noble gas in atmosphere among He, Kr, Ar, Xe?

    asked by Edd on August 22, 2014
  12. Absolute and relative change

    If gas prices are now $3.75 and they were up 10% from 6 months ago, how much were gas prices 6 months ago?

    asked by jake on April 24, 2016
  13. Chemistry

    How many moles of O2 are present in 67.2 L of O2 gas at STP?

    asked by Curlyqty on May 5, 2011
  14. chemistry

    how much will be produced from 45.0 grams of nitrogen gas?

    asked by cassie on May 20, 2010
  15. Lack of transportation

    how much money do u spend on gas getting to college

    asked by Anonymous on May 6, 2011
  16. Science

    could a solution of a liquid and a gas be soda

    asked by becca on January 9, 2008
  17. math

    A car travels 84 mi on 3 gal of gas how would I do this?

    asked by lilly on November 12, 2010
  18. Physics

    An ideal gas whose adiabatic exponent

    asked by Anushka on February 9, 2016
  19. science

    water in gas form is called

    asked by paula on January 8, 2013
  20. Simple Chem O2

    What is O2 mean? Also what is oxygen gas the formula? Please could someone answer this?

    asked by A on June 3, 2010
  21. Environmental Studies

    How does landfill gas move in the environment?

    asked by Thano on November 9, 2008
  22. chemistry

    What is the gas produced when lime is heated?

    asked by martha on March 14, 2017
  23. Biology

    What gas do plants give off in the light

    asked by Anonymous on November 15, 2015
  24. honors chemistry

    Which gas has solubility in water (at STP) of 3.39 L at 10.0°C?

    asked by bob on January 13, 2011
  25. algebra

    six times the price of gas minus 20

    asked by Anonymous on January 8, 2016
  26. Analytical CHM

    Rank the following items in order of accuracy when they are used for their intended purpose: Volumetric pipet, beaker, Erlenmeyer flask, MOHR pipet, graduated cylinder, volumetric flask, buret. Explain your asnwer below Most accurate 1. 2. 3. 4. 5. 6.

    asked by Joshua on September 5, 2014
  27. Geometry

    You have a small graduated cylinder with maximum capacity of 250ml. All measuring marks have been worn off except the 50ml, the 150ml, and the 250ml marks. You have a second larger container(size not specified)that is unmarked. It is possible to put 125ml

    asked by Jason on May 9, 2011
  28. Math

    Sally is filling glass containers in the shape of cylinders with different colors of sand. Each cylinder has a radius of 4 inches and a height of 8inches. Sally has 1,000 cubic inches of sand. How many containers can she fill completely.? plz I really need

    asked by sam on April 8, 2016
  29. Math

    Sally is filling glass containers in the shape of cylinders with different colors of sand. Each cylinder has a radius of 4 inches and a height of 8inches. Sally has 1,000 cubic inches of sand. How many containers can she fill completely.? plz I really need

    asked by I REALLY NEED HELP on April 8, 2016
  30. Astronomy

    How do we image dark matter? (a) We see light from galaxies behind the bullet cluster that is bent (gravitationally lensed) due to the matter (regular and dark) in the bullet cluster. (b) We see light from the gas in the two bullet cluster galaxies and we

    asked by qwerty on October 1, 2013
  31. Calculus disaster

    Uranium ore has two main isotopes, mostly U-238 with just a trace amount of U-235. In a sample of Uranium ore, 99.85% of the atoms are U-238 atoms and 0.15% are U-235 atoms. Before the Uranium can be used in a nuclear power plant, the proportion of U-235

    asked by Amanda on August 28, 2010
  32. Physics Classical Mechanics

    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 is

    asked by Anonymous on November 27, 2013
  33. u.s. history

    How does the tone of the poem change between stanzas 1 and 2, and what does that represent? Bent double, like old beggars under sacks, Knock-kneed, coughing like hags, we cursed through sludge, Till on the haunting flares we turned our backs And towards

    asked by yasminb on May 20, 2014
  34. Computer Science 40

    Please help me with this homework assignment. I tried everything and it still didn't work. The question is: Use three variables volume, radius, and height to write a program that can be use to calculate the volume of a cylinder. Formula: volume = radius x

    asked by Mailo Her on January 17, 2011
  35. chemistry

    A piece of metal weighing 26g is immersed in a quantity of water in a graduated cylinder. The initial volume of the water was 16.0 ml and volume of water plus metal is 22.0 ml. The density of metal in g/ml is? If you get this right i will hand you over my

    asked by Noel on July 22, 2010
  36. physics

    A horizontal 810-N merry-go-round of radius 1.70 m is started from rest by a constant horizontal force of 55 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go-round after 2.0 s. (Assume it is a solid cylinder.)

    asked by Z on November 1, 2009
  37. physics

    A horizontal 790-N merry-go-round of radius 1.30 m is started from rest by a constant horizontal force of 50 N applied tangentially to the merry-go-round. Find the kinetic energy of the merry-go-round after 2.0 s. (Assume it is a solid cylinder.) J

    asked by monic on November 30, 2012
  38. Physics

    Block B in the figure(Figure 1) rests on a surface for which the static and kinetic coefficients of friction are 0.65 and 0.40, respectively. The ropes are massless.What is the maximum mass of block A for which the system is in equilibrium? (Consider the

    asked by Dib on October 11, 2014
  39. Physics

    A 0.142 kg remote control 24.0 cm long rests on a table, as shown in the figure(Figure 1) , with a length L overhanging its edge. To operate the power button on this remote requires a force of 0.355 N . How far can the remote control extend beyond the edge

    asked by Please Help Understand on July 6, 2016
  40. English

    I left out the following sentences. Thank you very much! 1) Coketown was a town of red brick blackened by industrial pollution. Actually, it was dominated by chimneys from which smoke coiled up like snakes. 2) Dickens uses two similes to describe its dull

    asked by Henry2 on December 21, 2011
  41. science

    Will you please check a few more? Physical change, chemical change or both kinds of change? 1. Sodium hydroxide dissolves in water (both) 2. Hydrochloric acid reacts with sodium hydroxide to produce a salt, water and heat (chemical) 3. A pellet of sodium

    asked by Reed on September 13, 2012
  42. Math( 8th) Rate of change

    Khiry has money in a savings account at the bank that increases by the same amount of interesr each year. In 2003 khiry had $200 in the bank. In 2006, Khiry had $215 in the bank.In how mnany years will Khiry hav $230? The cost of gasoline per gallon in

    asked by Misty on January 19, 2012
  43. Physics

    Hi everybody! can someone please help me with this problem? 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

    asked by mary_ann on August 2, 2016
  44. Physics

    The PV diagram shows the compression of 44.1 moles of an ideal monoatomic gas from state A to state B. Calculate Q, the heat added to the gas in the process A to B. Data: PA= 1.90E+5 N/m^2 VA= 1.93E+0 m^3 PB= 1.31E+5 N/m^2 VB= 7.90E-1 m^3. deltaE_int = Q-W

    asked by Kid on November 23, 2017
  45. Programming and Design

    Draw the hierarchy chart and design the logic for a program that calculates the projected cost of an automobile trip. Assume that the user's car travels 20 miles per gallon of gas. Design a program that prompts the user for a number of miles driven and a

    asked by Matt on April 3, 2013
  46. Chemistry

    Given a 1.00 M solution of NaOH, describe how you would prepare 500 mL of 0.05 M NaOH solution. You have a 500 mL volumetric flask and a graduated cylinder. I have been trying to figure this question out for over an hour now. I cant seem to place the given

    asked by Chloe on November 20, 2014
  47. Physics

    Consider a human femur of length L = 469 mm. Model the bone as a hollow cylinder, with inner radius Ra = 4.17 mm and outer radius Rb = 12.51 mm. If a 74 kg person's weight is supported by one leg, calculate the stress on the femur; express as percentage of

    asked by Anonymous on October 24, 2012
  48. physics

    A block weighing 11.05 N rests on a 28 degree incline. (a) Find the normal force exerted by the plane on the block out of the plane (b) Find the frictional force exerted by the plane on the block up the slope. c) Find the magnitude of the total force

    asked by Anthony on November 1, 2012
  49. science

    40 centimeters cubed of dry sand is added to a graduated cylinder containing water, the level of the liquid rose 15 centimeters cubed on the scale. What is the volume, in centimeters cubed of air in the sand?

    asked by Ann on October 13, 2012
  50. Science 8R - help!!!!!!!!!!!!!!!!! (anyone????)

    Homework - Draw a graduated cylinder with different liquids in it (different colors) and different densities. Write the densities next to the liquid. What kind of liquid???? How will I know the densities???? What's the color of the liquid???? please help

    asked by Laruen on November 15, 2012
  51. physics

    In Figure 12-6, a ladder of length L = 12 m and mass m = 46 kg leans against a slick (frictionless) wall. The ladder's upper end is at height h = 9.2 m above the pavement on which the lower end rests (the pavement is not frictionless). The ladder's center

    asked by Sarah on December 30, 2010
  52. Chemistry

    Make 50.0 mL of a 0.500 M solution of acetic acid (CH3COOH) from the 1.00 M CH3COOH using a 50.0 mL graduated cylinder. 1. Show your calculations and explain how you made the acetic acid solution.

    asked by Kate on February 26, 2015
  53. Chemistry

    Fill in the Blanks When atoms share electrons to gain the_____ configuration of a noble gas, the bonds formed are______. Atoms lose and gain electrons to form electron configurations like a noble gas (octet in the outer shell). Atoms share electrons to

    asked by Bryan on December 15, 2006
  54. Algebra

    The diameter of the moon is 2155 miles. Find volume of the moon. Round answers to the nearest whole number and leave in the answer

    asked by Anonymous on June 1, 2012
  55. math

    Solve the problem. Use 3.14 for ð. Round to the nearest tenth, if necessary. A cylindrical container has a diameter of 10 in. and a volume of 549.5 in3. What is the height of the container?

    asked by Cindy on March 29, 2010
  56. science

    How can circuit voltage affect the choice of insulator? why does the resistance decreases as the conductor diameter increases? how does temperature effect resistance? please help and thank you

    asked by anonymous on November 17, 2013
  57. math

    The diameters of a wooden dowel produced by a new machine are normally distributed with a mean of 0.55 inches and a standard deviation of 0.01 inches. What percent of the dowels will have a diameter less than 0.57?

    asked by michelle on September 28, 2010
  58. chemistry

    In calibrating a thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of alcohol?

    asked by Tina on April 6, 2011
  59. chemistry

    In calibrating a thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of alcohol?

    asked by Tina on April 6, 2011
  60. physics

    A wire is made of a material with a resistivity of 4.85109 × 10−8 Ω · m . It has length 5.57436 m and diameter 0.36396 mm . What is the resistance of the wire? Answer in units of Ω

    asked by Anonymous on May 8, 2013
  61. geometry

    The face-off areas in ice hockey have a diameter of 29.9 feet. Find the area of a face-off circle. Use 3.1.4. for pi. Round to the nearest tenth if necessary.

    asked by Olive on September 1, 2013
  62. Chemistry

    In calibrating a thermometer by setting only the freezing and boiling points, what assumptions are you making regarding the internal diameter of the thermometer and the expansion of alcohol?

    asked by Chris on November 2, 2010
  63. math

    a wheel of a bicycle has a diameter of 70cm and is rotating at the rate of 200 revolutions per minute calculate the speed of the bicycle in km/hour

    asked by sashey on August 15, 2013
  64. Physics

    A point on the rim of a 0.75 m diameter grinding wheel changes speed at a constant rate from 15 m/s to 21 m/s in 6.2 s. What is the average angular acceleration of the wheel in rad/s^2?

    asked by Britney on February 24, 2011
  65. math

    Find the surface area of a cone with diameter 27 m and slant height 19 m. Leave your answer in terms of . Note: You do not need to include in your answer

    asked by Hannah on May 15, 2013
  66. Math

    The entire can needs to be painted, including the top and bottom. If the diameter of the lid (x) is 5 cm, and the height of the can (y) is 9 cm, what is the approximate total surface area that will need to be painted?

    asked by Rebecca on June 18, 2014
  67. algebra

    A quarry shaped like a cone has a height of 42 ft and a diameter of 47 ft. What is the volume of the quarry? Round your answer to one decimal place and use 3.14 to approximate pi. ft3

    asked by Mia on February 20, 2015
  68. Math

    A pond 100 ft in diameter is surrounded by a circular grass walk 2 feet wide. Find the are of the walk. Answer in terms of π. Please help me! TY

    asked by Kelly on May 6, 2011
  69. physics

    The maximum gauge pressure in a hydraulic lift is 18 atm. What is the largest size vehicle (kg) it can lift if the diameter of the output line is 22 cm?

    asked by ed on November 18, 2013
  70. Science

    Blank is a round pellet of ice larger than 5 millimeters in diameter. Snow. A hailstone. Sleet. (MY ANSWER) An ice crystal.

    asked by LOVE on January 28, 2016
  71. math

    You are pouring water from a cylindrical can is 7 cm in diameter and 10 cm high into a rectangular pan that is 20 cm in width, 9 cm in length and 14 cm deep. How many cans, can you pour into the pan? Use 22/7 for pi.

    asked by Camilla on March 16, 2014
  72. Physics

    The maximum gauge pressure in a hydraulic lift is 19.0 atm. What is the largest size vehicle (kg) it can lift if the diameter of the output line is 32.0 cm?

    asked by Anonymous on January 28, 2010
  73. Math

    What is better buy? A square 8in. pizza that cost $10 or a round pizza with a 9 inch diameter that also costs $10 Please explain how answer is found.

    asked by MarSmith on August 4, 2012
  74. Geometry

    THE VOLUME OF AN OBLIQUE CONE WITH EQUAL DIAMETER AND HEIGHT IS 18*3.14CM^3. FIND THE HEIGHT AND RADIUS (TO THE NEAREST CM). PLEASE HELP THIS IS MY LAST TEST AND I GRADUATE!!! THANKS SO MUCH!!

    asked by Keiana on February 1, 2013
  75. Physics

    Small spheres of diameter 1.00mm fall through 20 degree Celsius water at a terminal speed of 1.10 cm/s. calculate the density of the spheres.

    asked by Emma on February 1, 2013
  76. math

    a circular pizza box logo has a sector with a central angle of 80 degrees and a diameter of 16 inches. Find the area of this sector

    asked by G on April 24, 2014
  77. physics

    A .5 m long, 3 cm diameter metal bar has a Young’s Modulus of 7.0x1010 N/m2. If a 50,000 N force is applied to the end of the bar, by how much will it compress?

    asked by Kate on July 5, 2011
  78. math

    Find the surface area of a cone if the diameter of its base is 13.5 feet, and it has a slant height of 16.8 feet. Round to the nearest tenth.

    asked by Anonymous on January 28, 2013
  79. Math

    Find the surface area of the outside of a cylindrical barrel with a diameter of 10 inches and a heights of 12 inches. Is this question asking for the curved part or the circle?

    asked by Anonymous on November 17, 2009
  80. geometry Please help!

    The radii of the larger wheels on a tractor are 32 cm. If the ratio of the diameter of a large to small wheel is 19:7, find the diameters of the smaller wheels

    asked by Courtney on April 15, 2012
  81. Math

    A bicyclist is traveling at an angular speed of 8pi radians per second. How fast is she traveling in miles per hour if her tires are 28 inches in diameter?

    asked by Anonymous on February 23, 2016
  82. Math

    the area of a yard is 420 ft. what is the probability that any leaf landing in the yard will land ina circular wading pool that has a diameter of 14 ft?

    asked by Jessica on December 4, 2013
  83. physics

    A hypodermic needle is 2.98 cm in length and 0.28 mm in diameter. What pressure difference between the input and output of the needle is required so that the flow rate of water through it will be 1 g/s?

    asked by britt on November 6, 2012
  84. PHYSICS

    A 29.4 cm long solenoid 1.10 cm in diameter is to produce a field of 0.360 T at its center. How much current should the solenoid carry if it has 1000 turns of the wire?

    asked by JOSE on April 4, 2010
  85. Chemistry

    What is the de Broglie wavelength of an oxygen molecule, O2 traveling at 521 m/s? Is the wavelength much smaller or much larger than the diameter of an atom. (on the order of 100 pm) How do I do this

    asked by Lauren on November 2, 2007
  86. Physics

    What is the magnitude of the acceleration of a speck of clay on the edge of a potter's wheel turning at 44 rpm (revolutions per minute) if the wheel's diameter is 31 cm?

    asked by Claire on November 20, 2018
  87. math

    A circular pol is to be built in a back yard. The yard forms a 40ft by 60ft rectangle. The pool will have a diameter of 29ft.

    asked by carmen on September 7, 2012
  88. physics

    A 78 cm long, 0.8 mm diameter steel guitar string must be tightened to a tension of 1600 N by turning the tuning screws. By how much is the string stretched?

    asked by Kristen on March 15, 2012
  89. Physics. PLEASE HELP!!

    A Ferris wheel rotates 4 times each minute and has a diameter of 17 m. The acceleration of gravity is 9.8 m/s2. What is the centripetal acceleration of a rider? Answer in units of m/s2

    asked by Ashley on February 29, 2012
  90. AP physics

    What is the resistance of a copper wire, diameter of 1.50mm and length of 25.0 m? i got R=pl/A R=p(25m)/(3.14*(.00075^2)) how ever i found the answers online and they give me this (1.68*10^-8)(25.0)/(3.14*(.00075^2))

    asked by Anonymous on April 20, 2017
  91. math

    A circular piece of sheet metal has a diameter of 20 in. The edges are to be cut off to form a rectangle of area 160in^2. What are the dimensions of the rectangle?

    asked by Sabel on December 9, 2010
  92. College Physics

    A steel piano string for the note middle C is about 0.68 m long and is under a tension of 400 N. If the fundamental frequency is 226 Hz, what is the string’s diameter?

    asked by Anon on November 7, 2011
  93. testing of materials

    Could you please show me how to solve this problem ! A soil sample is 5.08 cm in diameter and 47.3 mm high. Find volume in cm^3. Also find density (g/cm^3) if its mass is 137.33 g.

    asked by michael on February 8, 2011
  94. 7th Grade Math

    You are pouring water from a cylindrical can is 7 cm in diameter and 10 cm high into a rectangular pan that is 20 cm in width, 9 cm in length and 14 cm deep. How many cans, can you pour into the pan? Use 22/7 for pi.

    asked by Erikka on February 24, 2012
  95. physics

    If a person who weighs 125lb, rides a roller coaster with a 100m diameter loop at 30m/s. What force did the person exert?

    asked by maria on September 28, 2012
  96. Math

    The diameter of a circle is 60cm.find the angle which an arc of length 3.14cm subtends at the circle take pie equals 3.142

    asked by Umaima on January 13, 2016
  97. PHYSICS

    A grinding wheel with a 28cm diameter spins at a rate of 2020 revolutions per minute. What is the linear speed of the rim of the wheel?

    asked by blabla on September 9, 2015
  98. Physics

    A Ferris wheel is 60 meters in diameter and rotates once every 12.5s. what is the ratio of a person's apparent weight to her real weight (a) at the top, and (b) at the bottom?

    asked by Sidney on October 23, 2013
  99. Geometry

    Find the arc length, of a 130 degree arc, in a circle with a diameter of 7.2 inches. Round your answer to the nearest thousandth

    asked by Maria on May 21, 2012
  100. Geometry

    Find the arc length, of a 130 degree arc, in a circle with a diameter of 7.2 inches. Round your answer to the nearest thousandth

    asked by Bob on May 21, 2012