Tuesday
March 31, 2015

Search: air pressure

Number of results: 15,260

Chemistry 20
a balloon can hold 800ml of air before breaking. A balloon at 4 deg C contain 750ml of air is brought into a house at 25 deg C. Assuming a constant pressure inside and outside the ballon, will the balloon break? What formula would be used here?
June 18, 2011 by Cheryl

physics
(a)If the wind blows at 30m/s over the roof of your house, what is the pressure difference at the roof between the inside and outside air (b) What net force does this pressure difference produce on a roof having an area of 175m^2? I have no clue how to start. I need help with ...
December 16, 2007 by Anonymous

8th grade
how to make a double line graph to show air/water temperatures.mon.air-92 water-68tues.air-94 water-69 wed.air-88 water=70,thurs. air=85 water=72 and friday air=96,water=72
June 9, 2010 by will

Gen Chem 2
The air within a piston equipped with a cylinder absorbs 555 J of heat and expands from an initial volume of 0.12 L to a final volume of 0.87 L against an external pressure of 1.0 atm. What is the change in internal energy of the air within the piston in Joules?
March 5, 2008 by Jessica

chemistry
The air within a piston equipped with a cylinder absorbs 570J of heat and expands from an initial volume of 0.12L to a final volume of 0.88L against an external pressure of 1.0 atm. What is the change in internal energy of the air within the piston?
December 19, 2012 by savannah

chemistry
The air within a piston equipped with a cylinder absorbs 570J of heat and expands from an initial volume of 0.12L to a final volume of 0.88L against an external pressure of 1.0 atm. What is the change in internal energy of the air within the piston?
December 19, 2012 by savannah

Physics
Praire dogs live in underground burrows with at least two entrances. They ventilate their burrows by building a mound around one entrance, which is open to a stream of air. A second entrance at ground level is open to almost stagnant air. Use Bernoulli's principle to explain ...
May 11, 2007 by Anonymous

chem
A 31.2 cm3 bubble of air at 1.4 atm pressure is subjected to a new pressure of 3.9 atm. What will be the new volume (cm3)? Assume constant temperature. THe answer I got was 11.2 cm3 is this correct
October 16, 2010 by amber

Chemistry
Typically, when a person coughs, he or she first inhales about 2.50 L of air at 1.00atm and 25 degreesC. The epiglottis and the vocal cords then shut, trapping the air in the lungs, where it is warmed to 37 degrees C and compressed to a volume of about 1.70L by the action of ...
October 10, 2010 by Ellen

engineering
using air pressure, a ball of 0.5kg is forced to move through the tube lying in the horizontal plane and having the shape of a logarithmic spiral. If the tangential force exerted on the ball due to the air is 6N, determine the rate of increase in the ball's speed at the ...
November 15, 2008 by sarah

Chemistry
The adult blue whale has a lung capacity of 5.0*10^3L. Calculate the mass of air (assume an average molar mass 28.98 g/mol ) contained in an adult blue whales lungs at 0.3 degrees Celcius and 1.10 atm., assuming the air behaves ideally. Calculate the number of molecules in a ...
December 6, 2011 by Steffani

thermodynamics
A scuba tank contains 1.5 kg. of air. The air in the tank is initially at 15 degree celcius. The tank is left near an engine exhaust line, and the tank's pressure doubles. Determine the final temperature, change of internal energy, change of enthalpy, and heat.
November 29, 2011 by hermie

Physics
At the surface of a freshwater lake the air pressure is 1.0 atm. At what depth under water in the lake is the water pressure 3.8 atm?
April 20, 2010 by Max

chemistry 106
Dry air near sea level has the following composition by volume: N2, 78.08 percent; O2, 20.94 percent; Ar, 0.93 percent; CO2, 0.05 percent. The atmospheric pressure is 1.00 atm. (Hint: Since volume is proportional to the number of moles present, mole fractions of gases can be ...
March 1, 2010 by Tanisha

science
1. What will happen to the pressure in your tires if the temperature drops 40 degrees over the night? a) Pressure will increase b) Pressure will decrease c) Pressure will not change d) Cannot determine
February 15, 2008 by josh

chemistry
Calculate the mass of oxygen (in mg) dissolved in a 5.00 L bucket of water exposed to a pressure of 1.13 atm of air. Assume the mole fraction of oxygen in air to be 0.21 and the Henry's law constant for oxygen in water at this temperature to be 1.3 x 10-3 M/atm.
May 26, 2014 by charles

chem help
a scuba diver breathing normal air descends 100m of depth, where the total pressure is 11 atm. What is the partial pressure of oxygen that the diver experiences at this depth? Can someone help out on this question? Make a ratio: 11atm/1atm= P/partial pressureO2 at surface ...
March 19, 2007 by david

atmospheric pressure
How many moles of gas must be forced into a 3.9 ball to give it a gauge pressure of 9.8 at 25? The gauge pressure is relative to atmospheric pressure. Assume that atmospheric pressure is 14.5 so that the total pressure in the ball is 24.3 . Express your answer using two ...
November 19, 2012 by Anonymous

Physics
Hot air balloons float in the air because of the difference in density between cold and hot air. In this problem, you will estimate the minimum temperature the gas inside the balloon needs to be, for it to take off. To do this, use the following variables and make these ...
July 13, 2011 by Jenny

Chemistry
Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.6 L of water upon warming from 25 C to 50 C. Assume that the water is initially saturated with nitrogen and oxygen gas at 25 C and a total ...
September 17, 2009 by RE

Science
A circular hatch in the hull of a submarine has a radius of 40.0 cm. The submarine is 850.0 m under water. If atmospheric pressure above the ocean is 1.01 x 105 Pa and the air pressure inside the submarine is 1.31x 105 Pa, what net force is exerted on the hatch? (ρsw = ...
December 19, 2011 by Zoe

Physics
Hey I'm lost on this physics problem can anyone tell me which equations i'm suppose to use in these questions a) A skier inhales a breath of air at Temp-air = 3.9 XC and exhales it as Volume-air = 1.92 liters of air at Temp-body = 37 XC and atmospheric pressure of P = 95.9 ...
March 27, 2010 by Andrew

Chemistry
A 0.75 L bottle is cleaned, dried, and closed in a room where the air is 20C and 42% relative humidity (that is, the water vapor in the air is 0.42 of the equilibrium vapor pressure at 20C). The bottle is brought outside and stored at 0.0C. (See Table 5.2) (a) What mass of ...
January 26, 2011 by Ashley

calculus 1
Suppose that a persons blood pressure at time t in seconds is given by p(t) = 100 + 18 sin (7t). (a) During each heartbeat, what is the systolic pressure (maximum blood pressure) and the diastolic pressure (minimum blood pressure)? (b) According to this model, how many ...
October 7, 2014 by Anonymous

Physical Science
During a storm, the wind exerts a 150-N force on a window that measures 1.00 m by 0.50 m. The outside air pressure is 101 kPa. What pressure, in pascals, does the wind exert on the window? a. 75 Pa b. 150 Pa c. 1.5 x 10^3 Pa d. 3.0 x 10^2 Pa e. 3.0 x 10^5 kPa
March 20, 2012 by Ariel

Physics
(a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 23.2 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. Pa (b) What force is exerted by the water on the window of an underwater vehicle at ...
October 27, 2011 by Allie

Chemistry
As a hot air balloon rises to increasingly higher altitudes describe what happens to the volume of the balloon if at constant pressure? If pressure is constant, and temperature decreases.. PV=nrT Volume is directly proportional to temperature..
January 11, 2007 by Lisa

chemistry
A bicycle tire fitted was fitted with the air pressure of 75 psi at temperature 19 degree C riding the bike on a asphalt on a hot day increases temperature of the tire to 58 degree C. The volume increase by 4% . What is the new pressure
October 26, 2014 by mathew

Physics
A bicycle tire whose volume is 4.1 x 10-4 m3 has a temperature of 296 K and an absolute pressure of 4.69 x 105 Pa. A cyclist brings the pressure up to 6.75 x 105 Pa without changing the temperature or volume. How many moles of air must be pumped into the tire?
December 1, 2006 by maysam

Chemistry - PLEASE HELP!!!
A 5.0 g n2o (laughing gas) that is inside a 12 mL cylinder used used to fill up a 800 mL whipped cream container. Beforehand, the container had air in it at 760 torr atmosphere pressure at 25 degrees celsius. Then, we will add the n2o/air mix to balloon until the pressure in ...
January 15, 2015 by Elena

science
Why does air flow from high to low pressure?
January 19, 2009 by Gina

science
air pressure changes whats the effect of that
January 25, 2010 by jason

science
how does air pressure affects the outer space
March 6, 2010 by Pamela

science
The pressure created by the weight of air is greatest_______.
August 25, 2010 by sean

integrated science
explain pressure relations for air
June 8, 2011 by brit

science
What altitude would you be at if the air pressure is 0.05 kpa.
January 7, 2014 by Wendi

Science
Does air pressure affect species survival?
February 5, 2015 by Student

Chemistry
PLEASE HELP!! On a clear day at sea level, with a temperature of 25 C, the partial pressure of N2 in air is 79 kPa and the concentration of nitrogen in water is 5.3 x 10-4 M. When the partial pressure of N2 is ________ kPa, the concentration in water is 1.1 x 10-4 M.
May 25, 2012 by Henry

chemistry
a balloon has a volume of 456 mL at a pressure of 1.0 atm. it is taken under water in a submarine to depth. where the air pressure in the submarine is 3.3 atm. what is the volume of the balloon? assume constant temperature?
May 15, 2013 by john

chemistry
A 45.3 cm3 bubble of air at 1 atm pressure is subjected to a new pressure of 4.7 atm. What will be the new volume (cm3)?
October 17, 2011 by james

chemistry
in which location, would the boiling piont of water will be highest ? A) new mexico where pressure is 710torr B) new york city where pressure is 760torr C) mount everest where pressure is 244torr D) a pressure cooker where pressure is 760torr
August 5, 2011 by marjani

Physics
The atmosphere of Mars exerts a pressure of only 600 Pa on the surface and has a density of only 0.02 kg/m3. (a) What is the thickness of the Martian atmosphere, assuming the boundary between atmosphere and outer space to be the point where atmospheric pressure drops to 0.01% ...
November 7, 2011 by mymi

Physics
A circular hatch in the hull of a submarine has a radius of 40.0 cm. The submarine is 850.0 m under water. If atmospheric pressure above the ocean is 1.01 x 105 Pa and the air pressure inside the submarine is 1.31x 105 Pa, what net force is exerted on the hatch? (ρsw = ...
December 19, 2011 by Sally

Intro to Physics
(a) Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 25.6 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. (b) What force is exerted by the water on the window of an underwater vehicle at ...
November 7, 2012 by Amy

college chemistry
A diving bell is a container open at the bottom. As the bell descends, the water level inside changes so that the pressure inside equals the pressure outside. Initially, the volume of air is 8.58 m3 at 1.020 atm and 20C. What is the volume at 1.584 atm and 20C?
December 10, 2011 by Betty

Chemistry
A 0.75 L bottle is cleaned, dried, and closed in a room where the air is 22C and 47% relative humidity (that is, the water vapor in the air is 0.47 of the equilibrium vapor pressure at 22C). The bottle is brought outside and stored at 0.0C. My question is what does the ...
December 11, 2012 by xavier

physics
An eardrum can burst when the pressure exceeds one atmosphere and the pressure inside the ear fails to equalize. Determine the depth in seawater when this pressure would be reached. (pressure of ocean = 1.03*10^3 kg/m^3)
February 23, 2010 by Alex

physics
A volume Vi = 23.1 L of air at temperature T = 21 XC is compressed at constant temperature to a volume Vf = 7.7 L. The relative humidity of the air before compression is R = 56.4 %. Saturated water vapour in air at this temperature has a vapour pressure vp = 2.5 kPa and a ...
March 29, 2011 by Sarah

physics
What is the wind speed in m/s required to keep a great white shark suspended in midair during a summer day on the California beach? Details and assumptions Model the shark as a horizontal cylinder 6 m long and 1 m in diameter. The air is at a pressure of 1 atm and a ...
July 23, 2013 by nathaniel

physics
What is the wind speed in m/s required to keep a great white shark suspended in midair during a summer day on the California beach? Details and assumptions Model the shark as a horizontal cylinder 6 m long and 1 m in diameter. The air is at a pressure of 1 atm and a ...
July 24, 2013 by andy

Chemistry
Methyl salicylate, C8H8O3, the odorous constituent of oil of wintergreen, has a vapour pressure of 1.00 torr at 54.3oC and 10.0 torr at 95.3oC. a) What is its vapour pressure at 25oC? b) What is the minimum number of liters of air that must pass over a sample of the compound ...
December 8, 2012 by xavier

PHYSICS
A submarine is trapped at the bottom of the ocean with its hatch at a depth of 20 m below the surface. The hatch is circular and 0.40 m. Calculate the force that would have to be exerted against it to open it. The air inside the submarine has a pressure of 1 Atm. -I used P=f/a...
March 13, 2015 by Javeria

PHYSICS - HELP
A wind with speed 45 m/s blows across a roof 20 m long and 12 m wide. The pressure inside the room is 1 atm. What is the net force on this roof due to the pressure difference inside and outside the roof? (The density of air is equal to 1.3 kg/m3.) Question 1 options: A) 2.4 ...
August 10, 2011 by Deana

science
please help how dows the movement of air molecules cause pressure?
October 21, 2008 by Susan

science
how do you keep your body from being crushed by air pressure?
January 6, 2009 by kayla

chemestry
what does air pressure do to the freezing, melting ad boiling point
September 17, 2009 by Chad

science
How does your body keep from being crushed from air pressure?
May 3, 2011 by Alyssa

Science of the Atmosphere
What is the temperature of air, given P= 90 kPA and the pressure is 1.0 kg(m^-3)? Thanks!
September 6, 2014 by Rebekah

Science of the Atmosphere
What is the temperature of air, given P= 90 kPA and the pressure is 1.0 kg(m^-3)? Thanks!
September 7, 2014 by Rebekah

physic
Hi! need help please thank you so much. Question:(a) Calculate the absolute pressure at the bottom of a freshwater lake at a depth of 28.7 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. ___Pa (b) What force is exerted by ...
November 26, 2009 by Chan

chemistry
A piece of dry ice (solid carbon dioxide) with a mass of 5.40 g is placed in a 10.0 L vessel? that already contains air at 715 torr and 25 degrees C. After the carbon dioxide has totally vaporized, what is the partial pressure of the carbon dioxide and the total pressure in ...
May 1, 2013 by Anonymous

chemistry
Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.8 of water upon warming from 25degree C to 50degree C . Assume that the water is initially saturated with nitrogen and oxygen gas at 25degree C...
January 24, 2010 by bf

Physics
The process of inhalation in the lung may be modelled (very simplistically) by the pV diagram shown below , in which the pressure drops sharply in the lungs at constant volume, followed by expansion at constant pressure, and then finished by the pressure returning to ...
March 19, 2013 by Sarah

Physics
The process of inhalation in the lung may be modelled (very simplistically) by the pV diagram shown below , in which the pressure drops sharply in the lungs at constant volume, followed by expansion at constant pressure, and then finished by the pressure returning to ...
March 19, 2013 by Sarah

Physics
Seawater has a density of about 1024 kg/m^3. In fresh water, the water line on a certain rectangular raft (8.8cm thick) moves 3.2 cm when a load of cargo is placed on it. How much will the same load of cargo move the water line in seawater? What is the pressure in fresh water ...
December 5, 2013 by Shelby

Physics
A cylindrical tank has a tight-fitting piston that allows the volume of the tank to be changed. The tank originally contains 0.140 m3 of air at a pressure of 3.20 atm. The piston is slowly pulled out until the volume of the gas is increased to 0.440 m3. If the temperature ...
April 17, 2012 by MiMi

chemistry
Before a trip from New York to Boston, the pressure in an automobile tire is 2.5 atm at 272 K. At the end of the trip, the pressure gauge reads 1.94 atm. What is the new Celsius temperature of the air inside the tire? (Assume tires with constant volume.) Answer in units of ...
March 8, 2012 by please help

PHYSICS(HELP)
dT/dz=−α forz≤11 km where α=6.5 K/km (Kelvin per km) and z is the height above the sea level. The temperature stays then approximately constant between 11 km and 20 km above sea level. Assume a temperature of 5 ∘C and a pressure of 1 atm at sea ...
January 10, 2014 by Anonymous

PHYSICS(HELP!!!!!!!)
dT/dz=−α forz≤11 km where α=6.5 K/km (Kelvin per km) and z is the height above the sea level. The temperature stays then approximately constant between 11 km and 20 km above sea level. Assume a temperature of 5 ∘C and a pressure of 1 atm at sea ...
January 10, 2014 by Anonymous

physics
during a scienceday learners use a plastic cold drink bottle as a rocket. they use a bicycle pump to increase the bottle. when the pressure becomes high enough, the bottle is launched vertically upward into the air. the bottle returns to its original position after 3s. ignore ...
March 24, 2015 by warren

Physics
A bubble of air, 0.010 m^3 in volume, is formed at the bottom of a lake which is 30.0 m deep and where the temperature is 8.0 C. The bubble rises to the surface, where the water temperature is 26 C and where the pressure is atmospheric pressure. What is the volume of the ...
December 11, 2012 by Anonymous

chem
Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.2L of water upon warming from 25C to 50C . Assume that the water is initially saturated with nitrogen and oxygen gas at 25C and a total ...
January 25, 2010 by rc

PHYSICS(HELP)
dTdz=−α forz≤11 km where α=6.5 K/km (Kelvin per km) and z is the height above the sea level. The temperature stays then approximately constant between 11 km and 20 km above sea level. Assume a temperature of 5 ∘C and a pressure of 1 atm at sea level...
January 10, 2014 by Anonymous

PHYSICS URGENT
dT/dz=−α forz≤11 km where α=6.5 K/km (Kelvin per km) and z is the height above the sea level. The temperature stays then approximately constant between 11 km and 20 km above sea level. Assume a temperature of 5 ∘C and a pressure of 1 atm at sea ...
January 10, 2014 by Anonymous

chemistry
An experiment to determine compound partition among air, water, and soil phases was conducted by adding 1 gram of the compound to a reactor that had 1 m3 of air, 0,001 m3 of water0 and 100 g of solid. The reactor was at atmodpheric pressure and at aconstant tepmrature 20 C The...
October 7, 2014 by Osama

chemistry
An experiment to determine compound partition among air, water, and soil phases was conducted by adding 1 gram of the compound to a reactor that had 1 m3 of air, 0,001 m3 of water0 and 100 g of solid. The reactor was at atmodpheric pressure and at aconstant tepmrature 20 C The...
October 12, 2014 by Osama

Chemistry HELP
A 0.75L bottle is cleaned, dried, and closed in a room where the air is 22oC and 44% relative humidity (that is, the water vapour in the air is 0.44 of the equilibrium vapour pressure at 22oC). The bottle is brought outside and stored at 0.0oC. just this question cause i dont...
December 11, 2012 by xavier

science
if you observe that the air pressure is decreasing, what type of weather will it bring?
April 6, 2011 by jordonna

physics
Find the speed of sound (in m/s) at -35C at 1 atm pressure in dry air.
April 12, 2012 by anonymous

Physics
Find the speed of sound (in m/s) at -35C at 1 atm pressure in dry air.
April 13, 2012 by George

Physics
Find the speed of sound (in m/s) at -35C at 1 atm pressure in dry air.
April 13, 2012 by Anna

Chemistry
A sample of air was compressed to a volume of 18.0 L. The temperature was 290.0 K, and the pressure was 6.80 atm. How many moles of gas were in the sample? If the sample had been collected from air at P = 2.0 atm., what was the original volume of the gas (in liters)? How do I ...
October 31, 2012 by Kellina

PHYsics
the temp of air in a foundry increases when molten metals cool and solidify. Suppose a 45 x 10^6 J of energy is added to the surrounding air by the solidifying metal. The air's temp increases by 55 C, and the air has a specific heat capacity of 1.0 x 10^3 J/kg x C. What is ...
November 1, 2009 by arriell

PHYSICS
dT/dz=−α for z≤11 km where α=6.5 K/km (Kelvin per km) and z is the height above the sea level. The temperature stays then approximately constant between 11 km and 20 km above sea level. Assume a temperature of 5 ∘C and a pressure of 1 atm at sea ...
January 11, 2014 by Anonymous

Physics
dT/dz=−α for z≤11 km where α=6.5 K/km (Kelvin per km) and z is the height above the sea level. The temperature stays then approximately constant between 11 km and 20 km above sea level. Assume a temperature of 5 ∘C and a pressure of 1 atm at sea ...
January 11, 2014 by Anonymous

physics
A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume that the diver breathes 0.400 L/s of air. Find how long the tank will last at a depth of each of the following. (a) 1.0 m min (b) 10.0 m min Please ...
April 26, 2012 by Romy

physics
A scuba diver has an air tank with a volume of 0.010 m^3. The air in the tank is initially at a pressure of 1.0x10^7 Pa. Assume that the diver breathes 0.400 L/s of air. Find how long the tank will last at a depth of each of the following. (a) 1.0 m min (b) 10.0 m min Please ...
April 26, 2012 by Romy

vaporization lab
A graduated cylinder containing some air is immersed in water. The height between the the water surface and the top of the water inside the graduated cylinder is 106mm. Calculate the correction that must be added to the barometric pressure to find the total pressure of the ...
November 28, 2010 by mmeas

dr. bob
Use the data in Table 5.4 to calculate the partial pressure of He in dry air assuming that the total pressure is 1.0 atm. Assuming a temperature of 21C, calculate the number of He atoms per cubic centimeter. atoms/cm3 .00000524 - atmospheric composition of airnear sea level ...
November 17, 2007 by mel

biology
hi i have a few questions 1)osmotic pressure Basically, i got that its the pressure opposing osmois. can you explain it to me ? 2)hydroltic pressure Im thinking that its the pressure that builds up due to a higher concentration. Must be like potiential energy.
September 17, 2009 by Jim_R

last physics problem.
At 25.0 m below the surface of the sea(density=1025 kg/m^3) where the temperature is 5.00 C, a diver exhales an air bubble having a volume of 1.00 cm^3. If the surface temperature of the sea is 20.0 C, what is the volume of the bubble just before it breaks the surface? You ...
April 19, 2007 by jean

Help with Science
1. Which of the following is an example of an environmental pressure? A. The air pressure in the atmosphere. B. A lake that is gradually running out of water. C. A fight between two members of the same species. D. Breeding between two members of the same species.
November 17, 2013 by Lilstar

physics
A 650 kg weather balloon is designed to lift a 4600 kg package. What volume should the balloon have after being inflated with helium at 0 degrees celcius and 1 atm pressure to lift the total load? The buoyancy force must equal the weight lifted. Let V be the volume. g*[(He ...
May 9, 2007 by Anonymous

pressure
is light pressure more easy to localize than deep pressure or is the other way around What do you mean light pressure and deep pressure?
January 21, 2007 by david

physic
Hi! I really need help on Part B only. (a) Calculate the absolute pressure at the bottom of a freshwater lake at a depth of 28.7 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa. (b) What force is exerted by the water on the ...
November 28, 2009 by Chan

chem
A very flexible helium-filled balloon is released from the ground into the air at 20degree C The initial volume of the balloon is 5.00L , and the pressure is 760mmHg. . The balloon ascends to an altitude of 20Km , where the pressure is 76.0mmHg and the temperature is 50degree ...
November 1, 2012 by chemdummy

chem
A very flexible helium-filled balloon is released from the ground into the air at 20degree C The initial volume of the balloon is 5.00L , and the pressure is 760mmHg. . The balloon ascends to an altitude of 20Km , where the pressure is 76.0mmHg and the temperature is -50degree...
November 1, 2012 by chemdummy

engineering
A saturated soil sample under CU test was subjected to a confining pressure of 200 kPa with back pressure (pore pressure) of 50 kPa. What would be the value of pore pressure if the confining pressure was raised to 400 kPa without drainage? If the pore pressure parameter A is 0...
December 4, 2013 by WYNN

Chemistry
A bicycle tire is filled with air to a pressure of 610 kPa at a temperature of 19 oC. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 oC. The volume of the tire increases by 4.0%. What is the new pressure in the bicycle tire?
September 30, 2012 by Helga

chem 102
Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.1L of water upon warming from 25 ∘C to 50 ∘C. Assume that the water is initially saturated with nitrogen and oxygen gas at 25 &#...
February 18, 2014 by ieshia

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