# 3. A gas is confined in a 0.47-m-diameter cylinder by a piston, on which rests a weight. The mass of the piston and weight together is 150 kg. The atmospheric pressure is 101 kPa. (a)What is the pressure of the

17,995 results, page 94
1. ## physics

Hurricanes can involve winds in excess of 120 km/h at the outer edge. Make a crude estimate of the energy of such a hurricane, approximating it as a rigidly rotating uniform cylinder of air (density 1.3 kg/m^3) of radius 120 km and height 4.5 km. Make a

asked by Mark on October 25, 2010
2. ## PHYSICS ---HELP!

Hurricanes can involve winds in excess of 120 km/h at the outer edge. Make a crude estimate of the energy of such a hurricane, approximating it as a rigidly rotating uniform cylinder of air (density 1.3 kg*m^3 of radius 120 km and height 4.5 km. Make a

asked by Mary on October 27, 2010
3. ## Physics Help!!

Hurricanes can involve winds in excess of 120 km/h at the outer edge. Make a crude estimate of the energy of such a hurricane, approximating it as a rigidly rotating uniform cylinder of air (density 1.3 kg*m^3 of radius 120 km and height 4.5 km. Make a

asked by tiffany on October 26, 2010
4. ## physics

Hurricanes can involve winds in excess of 120 km/h at the outer edge. Make a crude estimate of the energy of such a hurricane, approximating it as a rigidly rotating uniform cylinder of air (density 1.3 kg*m^3 of radius 120 km and height 4.5 km. Make a

asked by Mary on October 27, 2010

*Only need input not doing it for me. PLEASE QUESTION: Some hydrocarbon fuels have sulfur present and contribute to air pollution. When this solid sulfur is burned in the presence of oxygen, the noxious, toxic gas sulfur dioxide results. If there is .50

asked by Sue on December 4, 2010
6. ## Chemistry

When nitrogen dioxide is bubbled through a solution of potassium permanganate, the solution turns colorless. Which of the following statements is true? Question 3 options: 1) The test reveals that nitrogen dioxide is a colored gas. 2) The test reveals that

asked by Carley B. on February 8, 2017
7. ## physic 1010 first year university

Planet Z is 9000 km in diameter. The free-fall acceleration on Planet Z is 10.0 m/s^2.What is the mass of Planet Z?

asked by elona on December 4, 2009
8. ## geometry

The radius of a circle is 10. Using π, which equation expresses the ratio of the circumference of the circle to the circle's diameter? please help me

9. ## Chemistry

This question is very confusing, I do not understand what it wants me to do. Each reaction below has been identified by type. Use this information to help predict products. Copy and then complete each equation by writing the products of the reactions.

asked by Derrick on July 16, 2010
10. ## Physics

A 100-kg box is suspended from two ropes; the left one makes an angle of 20degrees with the vertical, and the other makes an angle of 40degrees. What is the tension in each rope. I think I've got the basics: I have Fx=T1(x) + T2(x)= 0 to calc the first

asked by Stephanie on April 22, 2011
11. ## Math

a cylinder has a radius of r and a height of h. A rectangular box has a length of r, a width of h and height of h. Their combined volume is V=πr^2h+h^2r If their combined volume is 600 cubic inches and h is 5 inches, solve for the radius(r).

asked by Nancy on April 30, 2012
12. ## Physics

A plastic sphere has a density that is greater than oil but less than water when itis placed in cylinder containing water, it is exactly half submerged, explain why when oil poured on top of water. The sphere is only 1/4 submerged in water.

asked by sachi on May 6, 2012
13. ## Chemistry

What volume will 12.0 grams fo neon gas occupy at 25 degress C. and a pressure of 0.520atm?

asked by Maryland on September 25, 2011
14. ## chemistry

how many moles of butane gas c4h10 react to produce 3.50moles of water?

asked by tracey on November 4, 2010
15. ## chemistry

Determine the volume of H gas needed to react completely with 5.00 L of O to form water ?

asked by Anonymous on April 21, 2010
16. ## Physical pharmacy laboratory

How many mole of gas are present in 25l chamber containing a pressure of 750mmhg at (-)25c?

asked by Bombom234 on July 23, 2014
17. ## chemistry

What is the volume occupied by 20.9g of argon gas at a pressure of 1.09atm and a temperature of 411K ?

asked by Famata on March 31, 2015
18. ## chemistry

Hey, can someone explain this question to me? Can we consider air as an ideal gas law? If not, why? If so, under what condition?

asked by Mel on October 3, 2008
19. ## chemistry

How many moles are contained in 3.25 L sample of an ideal gas at 25oC and 204 kPa?

asked by linda on May 5, 2015
20. ## chemistry

a 25.0 sample of nitrogen has a volume of 50.0L and a pressure of 630. mmHg. what is the temperature of the gas?

asked by Anonymous on March 29, 2011
21. ## chemistry

What is the mass of 1120cm cube of hydrogen gas at 750mmHg and 40 degree celsius

asked by Femi on October 4, 2012
22. ## chemistry

matts moped holds 1.9 gal of gas how many milliliters is that show work

23. ## Chemistry

How many grams of oxygen gas (O2) will it take to oxidize 1 pound of iron metal? Explain.

asked by Lawrenceburg High School on November 9, 2010
24. ## Ap chem

How would the addition of hydrogen gas at constant temperature and volume effect rate=k[h2][I2]?

asked by Marissa on April 24, 2015
25. ## Chemistry

Zn(s) + 2 HCl(aq) H2(g) + ZnCl2(aq) When 25.0 g of Zn reacts, how many L of H2 gas are formed at STP? 1. 0.382 L 2. 0.0171 L 3. 22.4 L 4. 8.56 L 5. 4.28 L

asked by Milly on February 19, 2011
26. ## infinitive

New Mexico has petroleum, potash, copper, and natural gas-to name a few. Function- adjective

asked by check grammar on April 24, 2017
27. ## CHM130

C6H12 (g) + 9 O2 (g) ----> 6CO2 (g) + 6 H2O(g) How many L of oxygen gas is needed if we produce 5.66 L of CO2?

asked by Kenzie on April 28, 2016
28. ## Biology

Why are alveoli so numerous (why not just a single large air sac for gas exchange)?

asked by Anonymous on December 4, 2012
29. ## chemistry

Determine the mass of CO2 gas that has a volume of 7.10 L at a pressure of 1.11 atm and a temperature of 31.0°C.

asked by Abi on January 22, 2013
30. ## Science

describe the changes in volume, motion, and energy that gas particles experience as heat is taken away

asked by Anonymous on May 13, 2013
31. ## Chem

the absolute temperature of the gas at which 3.33 10-3 mol occupies 246 mL at 713 torr

asked by Sarah Pick on May 9, 2014
32. ## chemistry

1.) 1.25 moles of an ideal gas are contained in 8.0L. If the temperature is 33K, what is the volume at STP?

asked by xx on November 17, 2014
33. ## math

write an equation that I can use to find the distance I can drive on any number of gallons of gas

asked by james on October 30, 2015
34. ## chemistry

what mass in grams of hydrogen gas is produced using234g of nitric acid

asked by Anonymous on January 27, 2017

even though carbon dioxide puts out a burning splint it does not confirm the presence of the gas why?

asked by shan on March 21, 2009
36. ## science

source of energy of oil, coal, natural gas, nuclear, water

asked by sebastian on January 13, 2009
37. ## chemistry

What is the density (in g/L) of hydrogen gas at 23.0 degrees Celsius and a pressure of 1670 psi?

asked by kelsey on November 3, 2009
38. ## zambia school

500ml of gas at 20 degrees celcius is under a pressure of 100cm of mercury what would be its volume at s.t.p?

asked by Natalia on October 4, 2015
39. ## chemistry

Calculate the volume 2.3g of oxygen gas at 28 degrees celcius and 2.321 atm

asked by Dean on March 13, 2015
40. ## science

helium gas, 3.0 x 10-4 g dissolved in water, express this concentration in parts per million.

asked by mell on March 17, 2011
41. ## Chemistry

What is the temperature of 0.65mol {\rm mol} of gas at a pressure of 1.5atm {\rm atm} and a volume of 12.6L {\rm L} ?

asked by Anonymous on November 12, 2014
42. ## chemistry

Why does the compressed gas leaving the propane tank cause the temperature to drop around the valve?

asked by Ashely on January 26, 2013
43. ## chemistry

if a sample of NO2 gas has 4.5ml. what is the cooled constant pressure from 45 to 5 degrees?

asked by kp on November 7, 2011
44. ## science

what temperature must a gas at 0 degree Celsius if its volume is to double while its pressure remains the same ?

asked by jhen on January 24, 2016
45. ## science

Hello, can u please tell me, how do I indicate from energy-level diagram whether the decomposition of a molecule will occur as gas or solid?

asked by michael on June 10, 2008
46. ## science

the density of o2 at NTP is 1.429g/l.calculate standard molar volume of the gas?

asked by dev on May 9, 2016
47. ## chemistry

how much oxygen gas wil be produce from the decomosition of 50 grams of pottasium chlorate

asked by JC on October 12, 2015
48. ## Chem.

I was confused. is kinetic molecular theory the same thing as ideal gas law?

asked by Linda on April 21, 2012

even though carbon dioxide puts out a burning splint it does not confirm the presence of the gas why?

asked by shan on March 21, 2009
50. ## Chemisrty

How many L of carbon dioxide gas will be produced from the decomposition of 5.0g of sodium hydrogen cardonate?

asked by Elizabeth on May 5, 2012
51. ## Chem

How would the pressure of a gas change if suddenly the intermolecular forces were repulsive rather than attractive?

asked by Anne on December 7, 2016
52. ## Chemistry (lab)

What are the units of retention time in gas liquid chromatography? Minutes or seconds?

asked by Anonymous on November 7, 2009
53. ## science gases

The air that you breathe is a gas.List other gases that you have heard about in a science class.

asked by tommy on January 28, 2015
54. ## Chemistry

What is the volume occupied by 12.9 g of argon gas at a pressure of 1.30 atm and a temperature of 318 K ?

asked by Dustin on July 8, 2015
55. ## chemistry

What volume will 12.0 g of oxygen gas occupy at 25 degrees celcius and a pressure of 52.7 kPa?

asked by Anonymous on April 11, 2012
56. ## chemistry

What are the advantages of a gas as a coolant? (instead of heavy/normal water) (in a fission reactor)

asked by william on March 8, 2008
57. ## AP chemistry

If 25.0g of water are decomposed at RTP how would you find the volume of hydrogen gas produced?

asked by Lily on January 7, 2011
58. ## Chemistry

what would an open manometer look like in which the pressure of the gas sample is 34.5 kPa higher than the atmosphere?

asked by al on January 6, 2011
59. ## chemistry

If 1.50mol of oxygen gas exerts a pressure of 1500mmHg at 20∘C, what is the volume in liters?

asked by May on April 15, 2014
60. ## Physics

In a gas kept at a constant temperature, all molecules move with the same speed. True or false?

asked by Anonymous on August 29, 2010
61. ## chemistry

What mass of natural gas CH_4 must you burn to emit 259 kJ of heat?

asked by Mely on October 18, 2010
62. ## mentor high

What is the density of carbon dioxide gas if 0.196 g occupies a volume of 100 ml?

asked by nick on September 3, 2008
63. ## houston community college

while the pressure of 1.40 L of a gas is kept constant its temperature increased from 27.0 C to 177 C . calculate the new volume.

asked by daisja on October 3, 2014
64. ## P.E. help

Which of the following is a non-renewable resource? A. Soil B. Sunlight C. Air D. Natural gas Is the answer D?

asked by callie on December 15, 2014
65. ## physics

determine the thrust produced if 1.5 x 10^3 kg of gas exits the combustion chamber each second, with a speed of 4.00 x 10^3 m/s

asked by john on March 2, 2016
66. ## science

what are examples of a biomass fuel A.oil B. natural gas C.wood D. coal

asked by &lt;kyky on January 18, 2017
67. ## k92 sec.

At stp what volume of SO2 gas will be produced when 2.00g of CS2 is burnt?

asked by siki on June 11, 2015
68. ## Chemistry

I am asking for the balanced equation for NaOH and ammonium chloride. And what what gas is given off with this two react when heated.

asked by Gillian on March 11, 2010
69. ## chemistry

Calculate the pressure, in atmospheres, of 0.0495 mol of a gas in a 0.379 L flask at 23. oC.

asked by Shatoya on October 31, 2014
70. ## Chemistry

How many moles of Xe gas are there in a container of Xe with a volume of 1.5L, and a pressure of 1.25 atm, and a temperature of 150C?

asked by Patrick on May 14, 2012
71. ## Science

1.) A 2OL Of gas is found to exert 3.5atm at 25°C what would the pressure be if the temperature is changed to 30°C.

asked by Janriel on February 27, 2018
72. ## Microbiology

What if you found gas in the Lab tubes but none in the BGLB thow does this affect the EC test

asked by James on February 29, 2012
73. ## Science

What pressure is exerted by 0.010 mol of methane gas if it is volume is 0.26 L at 373°K?

asked by Kayla on April 13, 2012
74. ## chemistry

asked by abby on June 27, 2012
75. ## Chemistry

Calculate the density of carbon dioxide gas at 253K and 648 torr.

asked by Anonymous on May 2, 2010
76. ## physics

If I have 1.5 moles of an ideal gas at a pressure of 3 atmospheres and a volume of 7 liters, what is the temperature?

asked by g on June 18, 2013
77. ## chemistry

What is the volume of 3.5 moles of oxygen gas (O2) at standard temperature and pressure (STP)

asked by Anonymous on November 1, 2010
78. ## Science

what has a definite shape and volume a- solid b- liquid c- gas d- molecule My answer is A

asked by Steve on February 9, 2014
79. ## Kainantu sec..science(chemistry)

At stp what volume of SO2 gas will be produced when 2.00g of CS2 is burned

asked by Tema Andrew on June 9, 2015
80. ## Math

A car travel 300 miles on 15 gallons of gas. what is the unit rate?

asked by Briley on May 12, 2016
81. ## chemistry

A sample of Cl2 gas having a volume of 0.75 L at 20degrees C and 725mmHg has a mass equal to

asked by srihitha on April 15, 2012
82. ## Chemistry

If 5.00L of argon gas is at 0.460 atm and -123C what is the volume at STP I think it's b

asked by Miguel on November 21, 2015
83. ## Chemistry

lead(II)nitrate reacts with oxygen gas to produce diphosphorous pentoxide

asked by Chelo on April 15, 2017
84. ## Research

How much did the watsons goes to birmingham trip cost in all. Including food, gas, motels,etc.

asked by Oiftyty on April 25, 2016
85. ## Chemistry

lead (II) nitrate reacts with oxygen gas to produce diphosphoroous pentoxide

asked by Chelo on April 15, 2017
86. ## science

how many grams of CO2 (g) are there in 82.0ml of the gas at 0.916 atm and 30 degrees ceksius

asked by sherry on November 2, 2014
87. ## chemisty

what type of reaction occurs when potassium metal reacts with fluorine gas?

asked by Tiffine on November 16, 2009
88. ## bio

what is the adaptive value of having the organ of gas exchange - in this case, the alveolus - inside the body?

89. ## Science

Compare and contrast the particle arrangement (density) of a solid, liquid and gas?

asked by Spencer on October 28, 2010
90. ## Chemistry

To increase the solubility of a gas at constant temperature from 1.20 g/L at 1.4 atm to 2.3 g/L what would the pressure have to be increased to?

asked by Tiffany on May 1, 2010
91. ## chemistry

calculate the volume occupied by 10^22moleculesof a gas 300k and 760mm pressure

asked by asin on June 27, 2012
92. ## CHEMISTRY

What is the root-means square speed of Sulfur Dioxide gas at 345.0K?

asked by S.O.S on April 13, 2017
93. ## chemistry

Calculate the volume occupied by 7g of nitrogen gas at 27 degree c and 750 mm of hg pressure

asked by g srinivasa rao on November 14, 2015
94. ## chemistry

what mass of water must react with calcium carbide for 3.9g of acetylene gas to form?

95. ## Chemistry

How many liters of chlorine gas can be produced when 0.98 L of HCl react with excess O2 at STP?

asked by Billy on February 23, 2012

How many molecules of Hydrogen gas formed when 48.7 grams of sodium added to water

asked by katie on April 6, 2009
97. ## chemistry

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

asked by Anonymous on April 5, 2011
98. ## Chemistry

How many liters of chlorine gas can be produced when 0.98 L of HCl react with excess O2 at STP?

asked by Billy on February 23, 2012
99. ## science

The work done by 500 calories of heat in isothermal expansion of ideal gas is?

asked by priya on January 1, 2016
100. ## Physical chemistry

Calculate the pressure exerted by 1.0 mol C2H6 behaving as a perfect gas

asked by Melissa on September 14, 2010