# 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 16
1. ## Chemistry

Hydrogen gas, , reacts with nitrogen gas, , to form ammonia gas, , according to the equation 3H2+N2-2NH3 How many grams of can be produced from 2.90 of ?

asked by Rose on October 5, 2009
2. ## Chemistry

Calculate volume of ammonia gas produced at STP when 140g of nitrogen gas is reacted with 30g of hydrogen gas.

asked by Nasreena on September 27, 2016
3. ## Chemistry

Explain what will happen to the volume of a gas as the pressure on that gas is increased. Assume that the temperature and amount of gas remain constant.

asked by christine on August 18, 2010
4. ## chemistry

Under the same temp.and pressure ,nitrogen gas diffuses 8 times as fast as gas y .calculate the relative molecular mass of gas y.

asked by favour on February 26, 2017
5. ## chemistry

calculate and compare the average gas phase translational energies and rms speeds of HE gas and H2 gas at 20 degrees celsius

asked by brandie on January 23, 2011
6. ## chemistry

N2(g)+H2(g)-NH3(g) Calculate the volume of ammonia gas produced when20cm3 of nitrogen gas was reacted with an excess of hydrogen gas

asked by kate on March 25, 2013
7. ## physics

A spherical steel ball bearing has a diameter of 2.540 cm at 24°C. (a) What is the diameter when its temperature is raised to 82°C? (b) What temperature change is required to increase its volume by 1.1%? I got the first answer right. i am having trouble

asked by Kelsey on April 26, 2010
8. ## Physics

You have a brass ring of inside diameter 10.00 cm that is at 20.0oC. You want to slip this ring over an aluminum rod that is at 20.0oC and has a diameter of 10.01 cm. a. To what temperature do you have to heat the ring to slip it over the rod? b. Once you

asked by David on December 5, 2014
9. ## dynamics

Find the mass center of a cylinder with height L and a hemisphere glued to the top with radius R. L=2R. The cylinder is standing up on its bottom end with hemisphere on top. Im so lost on this and cant use the formula to work.

asked by spencer on February 8, 2009
10. ## algebra

The volume of a cylinder is 224π cubic centimeters and its radius is 4 centimeters. What is the height of the cylinder? so here i am kind of confused do i just input in 224 or do i have to multiply 224 with pie them insert in the formula

asked by joshunta on February 27, 2018
11. ## math

To find the formula to find the volume of a cylinder is pi r-sqrt.h the dimensions of the cylinder are h=10inches and the radius is 1.25 inches the supposed answer is 39.26 but I am having a hard time calculating the formula to match that help

asked by meshel on March 30, 2016
12. ## Physics

A puck of mass m = 1.26 kg slides in a circle of radius r = 25.0 cm on a frictionless table while attached to a hanging cylinder of mass M = 2.04 kg by a cord through a hole in the table. What speed keeps the cylinder at rest? _________m/s

asked by Jane on October 30, 2009
13. ## chemistry

an aluminum cylinder is 10.0 cm in length and has a radius of .25 cm. if the mass of a single atom of aluminum is 4.48X10^-23 calculate the number of aluminum atoms present in the cylinder. the density of aluminum is 2.70 g/cm^3 Please answer quickly.

asked by Krista on September 7, 2012
14. ## math

The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer.

asked by Anonymous on May 12, 2015
15. ## Math Calc

The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer.

asked by Ke\$ha on January 11, 2017
16. ## physical science

a graduated cylinder is filled with water to a level of 40.0 mL. when a piece of copper is lowered into the cylinder, the water rises to 63.4 mL. find the volume of the copper sample.

asked by 132 on January 3, 2011

The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer.

asked by Someone on January 12, 2017
18. ## maths

A glass cylinder with a radius 7 cm has water up to a height of 9 cm. A metal cube of 5 1/2 cm edge is immersed in ti completely. Calculate the height by which the water rises in the cylinder.

asked by balkew on May 2, 2016
19. ## algebra

A cylinder has a radius of 5 in. if the volume of the cylinder is 250pi in ^3 what is the height of the cylinder V=pi r^2 h 250=pi*5^2*h 250=5pi*h 250=5hpi 250/5pi=5hpi/5pi h=50/pi h = V/Area = 250 pi/(pi*5^2)= 10

asked by Tom on March 30, 2007
20. ## fluid mechanics

a gas well containd hydrocarbon gases with an average molecular weight of 24, which can be assumed to be an ideal gas with a specific heat ratio 1.3. The pressure and temperature at the top of the well are 250psig and 708F, respectively. The gas is being

asked by adigun. on November 19, 2014
21. ## science

An average diameter of a star is approximately 109 m and an average diameter of a galaxy is 1021 m. Considering the given data, apply a sense of scale calculation to determine if when a galaxy’s diameter is scaled down to the length of Manhattan (21.6 km

asked by Aly on October 11, 2011
22. ## physics

Ok, so I know I already posted another really long question but we have not learned this yet and are expected to do homework on it. Please help me. An ideal monotonic gas is compressed at a constant pressure of 0.9 atm from 14 L to 3.5 L. Note: Atmospheric

asked by anonymous on April 11, 2012
23. ## Chemistry

A gas, Y, diffuses 1.05 times faster than SO2 gas at the same conditions. What is the molecular weight of gas Y?

asked by Krystal on December 3, 2013
24. ## Chemistry

3.15 g of an unknown gas at 53 °C and 1.00 atm is stored in a 1.55-L flask. The gas has a density of 2.03 g/L. What is the molar mass of the gas?

asked by Harley on November 10, 2011
25. ## chem

1.45 g of an unknown gas at 53 °C and 1.10 atm is stored in a 1.85-L flask. What is the density of the gas what is the molar mass of the gas

asked by rachel on March 8, 2018
26. ## physics

An ideal gas, for which gamma=1.5, undergoes an adiabatic expansion in which its volume is doubled. if the initial temp if the gas is 27 C, what is the final temperature of the gas?

asked by key on September 4, 2013
27. ## phy

During an isovolumetric process, the pressure on the gas is doubled and the amount of gas is tripled. If the initial temperature of the gas is 300k, what is thefinal temperture.

asked by brandy on December 4, 2010
28. ## Gen Chem II

A gas-forming reaction produces 1.60 m3 of gas against a constant pressure of 127.0 kPa. Calculate the work done by the gas in joules. Please explain. Thanks!

asked by Colleen on January 20, 2013
29. ## said

it was found that in an experiment tthat a gas c diffuses 8.76¡Á10^-1 times faster than nitrogen gas calculate the molecular mass of gas c (n=14)

asked by saara on August 31, 2016
30. ## Chemistry HELP!!!

Which of the following contains the greatest number of particles? A) 4g of helium gas B) 4g of oxygen gas C) 4g of hydrogen gas D) 4g of water Why is the answer C? Pls explain to me clearly, thks!

asked by Cheezel Lim on July 16, 2016
31. ## Chemistry

4.0 L of hydrogen gas reacts with 2.0 L of nitrogen gas (at the same temperature and pressure), producing ammonia gas, NH3. Find the limiting reactant.

asked by Andres on October 25, 2011
32. ## Chemistry

What is the final volume of 725 mL of neon gas at 240.°C if the gas is cooled to 54.5°C? Assume the pressure and the amount of gas are held constant.

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

What is needed to calculate the mass of ammonia gas produced from 2.0 L of nitrogen gas in excess hydrogen gas in the reaction below? N2(g) + 3H2(g) ® 2NH3(g)?

asked by Anonymous on June 23, 2010
34. ## chemistry

it was found that in an experiment tthat a gas c diffuses 8.76¡Á10^-1 times faster than nitrogen gas calculate the molecular mass of gas c (n=14)

asked by saara on August 31, 2016
35. ## chemistry

What is needed to calculate the mass of ammonia gas produced from 2.0 L of nitrogen gas in excess hydrogen gas in the reaction below? N2(g) + 3H2(g) ® 2NH3(g)

asked by ashley on June 16, 2010
36. ## Science

10. You analyze the gas in 100 kg of gas in a tank at atmospheric pressure, and find the Following : CO2;19.3%, N2;72.1%, O2;6.5%, H2O;2.1% What is the average molecular weight of the gas?

asked by Man Singh Chouhan on March 26, 2015
37. ## Chem

While in Europe, if you drive 125 per day, how much money would you spend on gas in one week if gas costs 1.10 per liter and your car's gas mileage is 39.0 ?

asked by Sarah on February 2, 2010
38. ## Chemistry

A volume of 725 mL of a gas is collected at 105 degrees celcius and 746 torr. The gas sample wights 1.92 grams. What is this gas?

asked by Teresa on November 22, 2014
39. ## Chemistry

What is the final volume of 945 mL of neon gas at 174°C if the gas is cooled to 58.5°C? Assume the pressure and the amount of gas are held constant.

asked by Mary on April 14, 2011
40. ## Physics

A bucket of water with a mass of 4.17 kg is attached to a rope that is wound around cylinder. the cylinder has a mass of 7.19 kg is mounted horizontally on frictional bearings. the bucket is released what is its speed after falling distance of .645 m

asked by Anono on May 10, 2011
41. ## chemistry

A thief uses a can of sand to replace a solid gold cylinder that sits on a weight-sensitive, alarmed pedestal. The can of sand and the gold cylinder have exactly the same dimensions (length = 23cm and radius = 3.9cm ).

asked by Anonymous on September 1, 2013
42. ## physics/math

A puck of mass m = 1.10 kg slides in a circle of radius r = 16.9 cm on a frictionless table while attached to a hanging cylinder of mass M = 2.20 kg by means of a cord that extends through a hole in the table. What speed keeps the cylinder at rest?

asked by HP on March 22, 2013
43. ## Math

A cylinder has a height of 15 inches and a diameter of 12 inches. Use pi = 3.14 What is the Lateral Surface Area? What is the volume ? 1697 cubic inches how do i do lateral surface area

asked by Mike on May 16, 2008
44. ## applied mechanics

A solid shaft of 65mm outside diameter and a hollow shaft of 85mm outside diameter are connected by 6 bolts with the mean pitch of thread being 155mm. The shear stress due to the torque on the shafts is equal to the shear stress on the bolts. a) Find the

asked by Henri on May 7, 2009
45. ## Physics

A solid shaft of 65mm outside diameter and a hollow shaft of 85mm outside diameter are connected by 6 bolts with the mean pitch of thread being 155mm. The shear stress due to the torque on the shafts is equal to the shear stress on the bolts. a) Find the

asked by Henri on May 6, 2009
46. ## Math

An igloo approximates a hemisphere, with an entrance tunnel that approximates half a right cylinder. The base of the igloo has diameter 4.0 m. The entrance is 0.8 m long; it has an external radius of 0.8 m and an internal radius of 0.7 m. Calculate the

asked by Anonymous on October 25, 2014
47. ## Math

A cylinder is inscribed in a right circular cone of height 8 and radius (at the base) equal to 2.5. What are the dimensions of such a cylinder which has maximum volume? What is the radius, and height?

asked by mike on July 21, 2011
48. ## chemistry

A graduated cylinder contains 155mL mL of water. A 17.0g g piece of iron (density = 7.86g/cm 3 g/cm^3 ) and a 23.0g g piece of lead are added. What is the new water level in the cylinder?

asked by uta on September 20, 2013
49. ## Math

A piece of paper has a length of 9 inches and width of 4 inches. The paper is rolled to form the shape of a cylinder. What is the largest possible volume of the cylinder?

asked by Kar on March 31, 2016
50. ## Calculus

A cylinder is inscribed in a right circular cone of height 5.5 and radius (at the base) equal to 2 . A) What are the dimensions of such a cylinder which has maximum volume? B) What is the radius? C) What is the height?

asked by Michaela on April 28, 2013
51. ## Calculus

A cylinder is inscribed in a right circular cone of height 8 and radius (at the base) equal to 2. What are the dimensions of such a cylinder which has maximum volume? Radius? Height?

asked by Z32 on June 22, 2009
52. ## geometry

2 hexagonal prisms have volumes of 250 cubic feet and 2 cubic feet. what is the ratio of the large cylinder to the height of the small cylinder?

asked by bran on May 9, 2016
53. ## Chemistry

Iron has density 7.87 g/cm3. If 52.3 g of iron is added to 74.5 mL of water in a graduated cylinder, to what volume reading will the water level in the cylinder rise? mL

asked by Teresa on November 12, 2014
54. ## Calculus

1. Prove that, among all rectangles with fixed perimeter p, where p > 0, the largest in area is a square. 2. A 2 × 3 array of six congruent rectangular pigpens (that all look the same from above) will be in the overall shape of a rectangle R. We may use

asked by Andy on March 27, 2015
55. ## chemsitry

A sample consisting of 0.025 mol of a solid compound is placed inside a metal cylinder. The cylinder was immersed in a water bath consisting of 10.00 kg of water at an original temperature of 25.00 °C. When the compound decomposes, the temperature of the

asked by Nora on October 23, 2010
56. ## Chemistry

Calculate the work involved if a reaction with an enthalpy change of -2418 kJ is carried out in a vessel with a mobile, frictionless piston. Other details: the reaction is H2(g) + 1/2Oxygen2(g) yields H2O(g) with enthalpy change of -241.8 kJ/mol. The

asked by Mark on November 23, 2008
57. ## Physics

2. State whether each of the following would be apt to produce systematic or random errors in these experiments and explain why: (a) the corners of the cylinder are slightly rounded; (b) the end faces of the cylinder are parallel to each other but not

asked by Sean on March 13, 2011
58. ## pre algebra help

A company is making two types of aluminum containers. One is a cylinder with a height of 1.25 feet and a diameter of 1 foot. The other is a rectangular prism with a length of 0.75 foot, a width of 0.75 foot, and a height of 1 foot. Aluminum costs \$.02 per

asked by amy on May 30, 2012
59. ## pre algebra

A company is making two types of aluminum containers. One is a cylinder with a height of 1.25 feet and a diameter of 1 foot. The other is a rectangular prism with a length of 0.75 foot, a width of 0.75 foot, and a height of 1 foot. Aluminum costs \$.02 per

asked by amy on May 30, 2012
60. ## pre algebra

A company is making two types of aluminum containers. One is a cylinder with a height of 1.25 feet and a diameter of 1 foot. The other is a rectangular prism with a length of 0.75 foot, a width of 0.75 foot, and a height of 1 foot. Aluminum costs \$.02 per

asked by amy on May 31, 2012
61. ## thermodynamics

2. If a pump discharges 284 liters per minute of water whose density is 985 kg/m3 . Find (a) mass flow rate in kg/min; (b) the total time required to fill a vertical cylindrical tank 3.05 m in diameter, and 305 m high. Note: m = Q x ρ, where m= mass,

asked by binjok on February 9, 2016
62. ## Chemistry

Do gases follow any of these principles all the time? 1. The space between gas molecules is much larger than the molecules themselves. 2. Gas molecules are in constant random motion. 3. The average kinetic energy is determined solely by the temperature. 4.

asked by Anonymous on May 17, 2018
63. ## Physics

A hydraulic lift in a garage has two pistons: a small one of cross-sectional area 3.70cm2 and a large one of cross-sectional area 210cm2 . Part A If this lift is designed to raise a 3100-kg car, what minimum force must be applied to the small piston? Part

asked by Help! final next weel on December 3, 2013
64. ## Calculus AB

The radius of a 12 inch right circular cylinder is measured to be 4 inches, but with a possible error of ±0.2 inch. What is the resulting possible error in the volume of the cylinder? Include units in your answer. r = 4 in. h = 12 in. V = pi*r^2 * h =

asked by Vik on January 14, 2016
65. ## chemistry

Suppose you have two 100-mL graduated cylinders. In each cylinder there is 40.0mL of water. You also have two cubes: one is lead(11.3g/ml), and the other is aluminum(2.70g/ml) Each cube measures 2.0cm on each side. After you carefully lower each cube into

asked by k on September 2, 2014
66. ## math

a liquid storage container on a truck is in the shape of a cylinder with hemispheres on each end. the cylinder and hemispheres have the same radius. the total length of the container is 140 feet. I have got the funcion for the volume is y=-2pi/3 x^3+ 140pi

asked by errer on November 9, 2015
67. ## physics

A cylinder with height 5.0 m is made by mixing materials with different indexes of refraction. The mixture is prepared such that the index of refraction is 1.0 on one end, 2.6 on the other end and varies linearly in between. How long does it take light to

asked by sand on April 20, 2012
68. ## chemistry

Under the same condition of temp.and pressure hydrogen gas diffuses 8 times as fast as gas y.calculate the relative molecular mass of gas y.(R.M M_2

asked by favour on February 26, 2017
69. ## physics

one kg of a diatomic gas is at a pressure of 80000N/meter sqare .the density of the gas is 4kg/meterqubie.what is the energy of the gas due to its thermal motion?

asked by sagar kumar on June 25, 2013
70. ## Chemistry

An unknown diatomic gas has a density of 1.428 g/L at STP. What is the identity of the gas? (Enter the formula of the gas. Omit states-of-matter from your answer.)

asked by WhiteRabbit on October 30, 2015
71. ## chemistry

One liter of a gas mixture at 0 degree Celsius and 108.26 kPa contains 250 mg/L of H2S gas. Calculate the partial pressure exerted by gas.

asked by Jazmin on January 22, 2011
72. ## science

a sample of natural gas at stp is 78% ch4 and 22% c2h6 by volume. how many moles of each gas are presented in 2 L of the mixture.assume ideal gas behavior

asked by uriel on February 20, 2011
73. ## Chemistry

Which is a chemical property of hydrogen? A. It is a light gas. B. It is a combustible gas. C. It is a colorless gas. D. It has a boiling point of -252.87°C. E. It is a good conductor of electricity.

asked by Student on February 18, 2018
74. ## Math - Please Check My Answer - Probably Last One!

Please help me with the following: The volume of a cylinder is found using the formula V=πr^2h,where r is the radius of the base and h is the height. The volume of a rectangular prism of the same width (2r) and height h, as the cylinder, is found by

asked by Brady on October 2, 2014
75. ## physics

1. It has been suggested that rotating cylinders about 11 mi long and 5.2 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall

asked by Elisa on July 15, 2008
76. ## physics

Air in a diesel engine cylinder is quickly compressed from an initial temperature of 21.1°C, an initial pressure of 1.00 atm, and an initial volume of 670 cm^3 to a final volume of 44.5 cm^3. a)Assuming the air to be an ideal diatomic gas, find the final

asked by maria on December 27, 2011
77. ## physics

Air in a diesel engine cylinder is quickly compressed from an initial temperature of 21.1°C, an initial pressure of 1.00 atm, and an initial volume of 670 cm^3 to a final volume of 44.5 cm^3. a) Assuming the air to be an ideal diatomic gas, find the final

asked by maria on December 31, 2011
78. ## physic

A solid shaft of 65mm outside diameter and a hollow shaft of 85mm outside diameter are connected by 6 bolts with the mean pitch of thread being 155mm. The shear stress due to the torque on the shafts is equal to the shear stress on the bolts. a) Find the

asked by Michel on April 3, 2009
79. ## applied mechanics

A solid shaft of 65mm outside diameter and a hollow shaft of 85mm outside diameter are connected by 6 bolts with the mean pitch of thread being 155mm. The shear stress due to the torque on the shafts is equal to the shear stress on the bolts. a) Find the

asked by Henri on March 20, 2009
80. ## Physics

the volume of a monoatomic ideal gas doubles in an adiabatic expansion. by considering 135 moles of gas with an initial pressure of 330kPa and an initial volume of 1.2m^3, the gas is then expands adiabatically to a volume of 2.4m^3. FIND THE WORK DONE BY

asked by PhyConfusion on March 10, 2013
81. ## Bio 20

Hydrogen sulfide gas is combusted with oxygen gas to produce sulfur dioxide gas and water vapour. If there is 19.3 L of oxygen gas, what maximum volume of hydrogen sulfide gas could be combusted?

asked by Michelle on May 11, 2015
82. ## stats

The Ledd Pipe Company has received a large shipment of pipes, and a quality control inspector wishes to estimate the average diameter of these pipes. A random sample of 18 pipes produces an average diameter of 2.56 mm with a standard deviation of 0.05 mm.

asked by johnny on November 28, 2012
83. ## chemistry

A gas has a density of 5.56 g/L. a. What volume in milliliters would 4.17 g of this gas occupy? b. What would be the mass in kilograms of 1 m3 of this gas?

asked by elizabeth on September 11, 2013
84. ## chemistry

A gas has a density of 5.56 g/L. a. What volume in milliliters would 4.17 g of this gas occupy? b. What would be the mass in kilograms of 1 m3 of this gas?

asked by elizabeth on September 11, 2013
85. ## chemistry

A gas has a density of 5.56 g/L. a. What volume in milliliters would 4.17 g of this gas occupy? b. What would be the mass in kilograms of 1 m3 of this gas?

asked by elizabeth on September 11, 2013
86. ## electrical

A load cell consists of a solid cylinder of steel 40 mm diameter with four strain gauges bondedto it and connected into the four arms of a voltagesensitive bridge. the gaugesare mounted to have poisson's arrangement. if the gauges are each of 100

asked by Sarsi on November 27, 2013
87. ## physics

Find the velocity of (a) a cylinder and (b) a ring at the bottom of an inclined plane that is 1.55 m high. The cylinder and ring start from rest and roll down the plane. Hint: Carry out the calculation including the unknown parameters, and they may cancel

asked by Demis on October 29, 2012
88. ## college algebra

A propane tank has the shape of a circular cylinder with a hemisphere at each end. The cylinder is 6 feet long and volume of the tank is 5pie cubic feet. Find, to the nearest thousandth of a foot the length of the radius x.

asked by Missy on April 16, 2012
89. ## math

Please answer and explain how you received this answer. A cargo van is carrying 20 identical steel cylinders. Each cylinder contains compressed oxygen. Altogether, the cylinders weigh one half of a ton. In tons, what is the weight of each cylinder?

asked by nicey on March 15, 2015
90. ## pysics

Find the velocity of (a) a cylinder and (b) a ring at the bottom of an inclined plane that is 1.55 m high. The cylinder and ring start from rest and roll down the plane. Hint: Carry out the calculation including the unknown parameters, and they may cancel

asked by Demis on October 29, 2012
91. ## Science

A student had to take the volume of a sphere by using a graduated cylinder. Before they put it in the water,the cylinder read 50ml.when the sphere was put in the cylinder the water now read 62ml what is the volume of the sphere?

asked by jay jay on October 29, 2015
92. ## math!

A cylinder is inscribed in a right circular cone of height 8 and radius (at the base) equal to 5. What are the radius and height of such a cylinder which has maximum volume?

asked by Anonymous on November 4, 2007
93. ## math

what would have a greater surface area? a cylinder that is flat and smooth or a cylinder that is threaded? I think the smooth one will because the threads remove area that needs to be covered?

asked by Anonymous on June 20, 2017
94. ## Chemistry

A 50.0 g silver object is added to 75.5 mL of water contained in a graduated cylinder. The density of silver is 10.5 g/mL. What is the total volume in the graduated cylinder?

asked by Micelle on January 23, 2013
95. ## TCC

A 50.0 g silver object is added to 75.5 mL of water contained in a graduated cylinder. The density of silver is 10.5 g/mL. What is the total volume in the graduated cylinder?

asked by Micelle on January 23, 2013
96. ## chemistry

a graduated cylinder contains 135 ml of water. a 11.0 g piece of iron (d=7.86g/ml ) and a 24.0 g piece of lead (d=11.3g/ml) are added. what is the new water level in the cylinder?

asked by Anonymous on September 10, 2017
97. ## chemistry

i reallly need help with combining the gas laws. here are a few questions i am struggling with if anyone could please help! 1. A steel container holds 750.L of O2 gas at STP. a) how many moles of O2 does the container hold? b)how many grams of O2 does the

asked by me on May 22, 2011
98. ## Chemistry

Hydrogen gas is used for many purposes, including the hydrogenation of vegetable oils to make margarine. The most common industrial process for producing hydrogen is "steam reforming," in which methane gas, CH4, from natural gas reacts with water vapor to

asked by Jimmy on November 16, 2016
99. ## Physics

A cylinder shaped buoy is stationary out on a lake. The height of the buoy is 1 m and the diameter is 30 cm and it‘s mass is 50 kg. Now a whale swims under the buoy and hit it. The buoy raises up and begins to oscillate. a) Find the total force on the

asked by Amber on November 17, 2011
100. ## Chemistry

A sample of natural gas at STP is 78% CH4 and 22% C2H6 by volume. How many moles of each gas are present in 1.60L of the mixture? Assume ideal gas behavior

asked by Missy on October 6, 2010