Sunday

December 21, 2014

December 21, 2014

Number of results: 47,388

**calculus**

Boyle's law states that if the temperature of a gas remains constant, then PV = c. Where P is the pressure, V is the volume, and c is a constant. Given a quantity of gas at constant temperature, if V is decreasing at a rate of 13 in.^3/s, at what rate is P increasing when P = ...
*May 2, 2010 by Hussain*

**chemistry**

A fixed quantity of gas at 27°C exhibits a pressure of 729 torr and occupies a volume of 5.70 L. (a) Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.75 atm while the temperature is held constant. (b) Use Charles's law to calculate ...
*April 27, 2010 by Chase*

**chemistry**

A fixed quantity of gas at 27°C exhibits a pressure of 729 torr and occupies a volume of 5.70 L. (a) Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.75 atm while the temperature is held constant. (b) Use Charles's law to calculate ...
*April 30, 2010 by chase*

**chemistry**

A fixed quantity of gas at 27°C exhibits a pressure of 729 torr and occupies a volume of 5.70 L. (a) Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.75 atm while the temperature is held constant. (b) Use Charles's law to calculate ...
*April 30, 2010 by chase*

**Anatomy & Physiology**

How do the gas laws (Daltons, Boyles and Henrys)apply to the respiratory processes? I will be happy to critique your thinking on this. I know Dalton's Law is the law of partial pressures, Boyle's law is the law for a fixed mass of ideal gas at fixed temperature, the product of...
*March 21, 2007 by Aletha*

**Chemistry**

1. Calculate the number of molecules in a deep breath of air whose volume is 2.15 L at body temperature, 36 degrees Celsius, and a pressure of 740 torr. 2.A fixed quantity of gas at 24 degrees Celsius exhibits a pressure of 740 torr and occupies a volume of 4.42 L. a)Use Boyle...
*November 2, 2009 by Emory*

**Anatomy-bobpursley**

How do the gas laws (Daltons, Boyles and Henrys)apply to the respiratory processes? Anatomy & Physiology - bobpursley, Wednesday, March 21, 2007 at 11:51am I will be happy to critique your thinking on this. Anatomy & Physiology - Aletha, Wednesday, March 21, 2007 at 12:00pm I ...
*March 21, 2007 by Aletha*

**Science/Biology/Physics**

Which of the following represents Boyle's gas law? A. Gas turns to a liquid when temperature reaches 0° C (32° F). B. As the volume of a gas increases, the temperature also increases. C. At any temperature, inert gases are less combustible than non-inert gases. D. At a fixed ...
*July 24, 2014 by J*

**Physics**

According to Boyle's law, the volume V of a gas at a constant temperature varies inversely with the pressure P. When the volume of a certain gas is 125 cubic meters, the pressure is 20 psi (pounds per square inch). If the volume of gas is increased to 400 cubic meters, the ...
*May 25, 2012 by Pat*

**science**

A fixed quantity of gas at 22°C exhibits a pressure of 739 torr and occupies a volume of 5.46 (a) Calculate the volume the gas will occupy if the pressure is increased to 1.74 atm while the temperature is held constant.
*December 14, 2012 by Samantha*

**chemistry **

12.00 liters of oxygen gas is under a pressure of 20 mm Hg. If the volume of this gas is decreased to 2.00 liters at constant temperature, what will the new pressure be? I believe this is Boyle's law and the answer should be 120 mm Hg, but according the answer on practice test...
*December 4, 2012 by Jo*

**chemisty**

12.00 liters of oxygen gas is under a pressure of 20 mm Hg. If the volume of this gas is decreased to 2.00 liters at constant temperature, what will the new pressure be? I believe this is Boyle's law and the answer should be 120 mm Hg, but according the answer on practice test...
*December 4, 2012 by Jo*

**Chemistry**

Let's say that you are asked to design an airbag for a car. You know that the bag should be filled with gas with a pressure higher than atmospheric pressure, say 828 mmHg at a temperature of 22.0 C . THe bag has a volume of 45.51. What quantity of sodium azide should be used ...
*May 28, 2013 by Leslie*

**chemistry**

A fixed quantity of gas, at constant pressure, occupies a volume of 8.50 L and has a temperature of 29.0 degrees C. What volume will the gas occupy if the temperature is increased to 125 degrees C? 6.4, 11.2, 14.1, 12.6, 4.9
*December 5, 2011 by Anonymous*

**Chemisrty**

Determine which law is appropriate for solving the following problem. What volume will 1.56 liters of a gas at 27°C and 745 mmHg of pressure occupy at 100°C and 700 mmHg of pressure? Law used: Boyle's Law Charles' Law Combined Gas Law
*October 19, 2011 by Angel*

**Microeconomics**

Consider a competitive firm that produces tomatoes. The total fixed costs are $10 and TVC is related to output according to the followin scheduele Quantity TVC 0 0 1 45 2 85 3 120 4 150 5 170 1)Compute ATC and MC 2) What is quantity if P=40 3)what is quantity if P=30 4)What is...
*December 11, 2007 by Mark*

**MATH PLEASE HELP!**

According to Boyle's law, the pressure p of a compressed gas is inversely proportional to teh volume, v. If a pressure of 20 pounds per square inch exists when the volume of the gas is 500 cubic inches, what is the pressure when the gas is compressed to 400 cubic inches?
*January 7, 2009 by Roger*

**Chemistry help!**

A sample of gas at a temperature of 37.0°C has a pressure of 725 torr and occupies a volume of 3.44 L. a. Use Boyle’s law to calculate the new pressure if the temperature is held constant and the volume is increased to 6.54 L. torr b. Use Gay-Lussac’s law to calculate the new ...
*February 26, 2014 by Chelsey*

**physical science**

Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why?
*March 3, 2013 by alex*

**physical science**

Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why?
*March 4, 2013 by alex*

**science**

1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.
*February 28, 2013 by ricardo *

**science**

1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.
*March 1, 2013 by alex*

**physical science**

1. Boyle’s law states that if you squeeze a fixed amount of a gas into a smaller volume, the pressure will increase. Explain why in your own words.
*March 3, 2013 by alex*

**texas southern university**

A quantity of gas in a piston cylinder has a volume of 0.544 m3 and a pressure of 200 Pa. The piston compresses the gas to 0.126 m3 in an isothermal (constant-temperature) process. What is the final pressure of the gas? ??__Pa
*October 24, 2012 by angela*

**physics**

an isolated quantity of an ideal gas at 297.2 K has a volume of 14.96 L at a pressure of 1.63 atm. What is the volume of this gas sample when the absolute temperature is reduced to one third and the pressure is divided by five?
*April 9, 2012 by katie *

**Math**

I'm having trouble with a math problem, it says: A quantity of gas has a volume of 0.20 cubic meter and an absolute temperature of 333 degrees kelvin. When the temperature of the gas is raised to 533 degress kelvin, what is the new volume of the gas? Thank You. Assuming ...
*July 5, 2005 by Mirayah Robinson*

**chemistry**

According to Boyle, pressure and volume of a confined gas are ____ proportional, and according to Charles, the volume of a gas at a constant pressure is____ proportional to its Kelvin temperature. A. directly; inversely B. directly; not C. inversely; directly D. not; inversely
*September 14, 2014 by Emiko*

**physical science**

If a quantity of gas in a piston cylinder has a volume of 0.9 m3 and is initially at room temperature (30°C) and is heated in an isobaric (constant-pressure) process, what will be the temperature of the gas in degrees Celsius when it has expanded to a volume of 1.2 m3?
*May 2, 2011 by Eric*

**Chem**

(a) Use Boyle's law to calculate the volume the gas will occupy if the pressure is increased to 1.79 atm while the temperature is held constant. 3.17 L (b) Use Charles's law to calculate the volume the gas will occupy if the temperature is increased to 175°C while the ...
*May 8, 2014 by Sarah Pick*

**Gas Law Chemistry**

I need help on these two questions: If a certain gas occupies a volume of 16L when the applied pressure is 8.0atm , find the pressure when the gas occupies a volume of 4.0L . A certain gas is present in a 12.0L cylinder at 4.0atm pressure. If the pressure is increased to 8....
*October 25, 2012 by Amy*

**college/microeconomics**

Just needing to know if I have done the work correctly with this problem: For the total revenue and marginal revenue the answers are: Price $20 Quantity 0 TR 0 MR 0 Price $18 Quantity 1 TR 18 MR 18 Price $16 Quantity 2 TR 32 MR 14 Price $14 Quantity 3 TR 42 MR 10 Price $12 ...
*December 6, 2009 by Lorie*

**Chemistry - Urgent Please help!!**

The problems: 0.0513 grams of Al (Wt. 27.0) was reacted with excess HCI to produce H2 according to the following balanced equation: 2 Al + 6 HCI ---> 2 AlCl3 + 3 H2 a) Determine the number of moles of H2 evolved from that quantity of Al when collected over water? 0.0513g Al...
*April 23, 2013 by Kishwa*

**Microeconomics:**

Just needing to know if I have done the work correctly with this problem: For the total revenue and marginal revenue the answers are: Price $20 Quantity 0 TR 0 MR 0 Price $18 Quantity 1 TR 18 MR 18 Price $16 Quantity 2 TR 32 MR 14 Price $14 Quantity 3 TR 42 MR 10 Price $12 ...
*December 6, 2009 by Lorie*

**Economics**

according to the law of supply the higher the price A the more consumers are willing to pay B the larger the quantity produced c the smaller the quantity produced D the more the availability of a good is reduced
*December 15, 2014 by San*

**Chemistry**

Would you expect the pressure of a 12.5 mL syringe of natural gas to be the same as the pressure of 12.5 mL of air? In other words, is Boyle's Law dependent on the type of gas that is being measured?
*February 26, 2013 by Margaret*

**science**

As the pressure of a fixed mass of a gas is increased at constant temperature, the density of the gas increases? As the absolute temperature of a fixed mass of an ideal gas is increased at constant pressure, the volume occupied by the gas increases? The absolute temperature of...
*November 24, 2007 by Anonymous*

**chemistry**

An unknown quantity of gas at a pressure of 121.59 kPa, a volume of 31 L, and a temperature of 360 K contains how many moles of gas? Round to the nearest hundredth. Don't forget the units.
*September 6, 2010 by janay*

**chemistry**

A sample of an ideal gas at 15.0 atm and 10.0 L is allowed to expand against a constant externam pressure of 2.00 atm at a constant temperature. Calculate the work in KJ for the gas expansion (Boyle's law applies)
*October 9, 2010 by alexie*

**practical math**

A quantity of gas has a volume of 0.20 cubic meter and an absolute temperature of 333 degrees kelvin. When the temperature of the gas is raised to 533 degrees kelvin, what is the new volume of the gas? (Assume that there's no change in pressure.)
*July 17, 2012 by Anonymous*

**Physics**

Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L , the pressure is 165kPa (kilopascals). What is the volume when the pressure is 60kPa?
*May 23, 2011 by Rachal*

**chemistry**

A quantity of gas has a volume of 121 L when confined under a pressure of 2.50 atm at a temperature of 20.0 C. At what pressure will its volume be 30.0 L at 25.0 C?
*February 24, 2012 by garrett*

**Chemistry**

A sample of an ideal gas at 15.0 atm and 10.0 L is allowed to expand against a constant external pressure of 2.00 atm at a constant temperature. Calculate the work in units of kJ for the gas expansion. (Hint: Boyle's law applies) Please explain thoroughly! thank you!
*October 3, 2010 by Jack*

**chemistry**

A sample of an ideal gas at 15.0 atm and 10.0 L is allowed to expand against a constant external pressure of 2.00 atm at a constant temperature. Calculate the work in units of kJ for the gas expansion. (Hint: Boyle's law applies) Please explain thoroughly! thank you!
*October 4, 2010 by Jack*

**Economis**

I have got an economics questions, and i did my personal revision by tying to work the question. here is the question: using demand and supply analysis, explain the influence of the imposition of a maximum price and a minimum price on a product on price and quantity (10 marks...
*November 19, 2011 by Pallavi*

**chemistry**

Assuming that the temperature and quantity of a gas sample remain constant, what will be the final pressure of 1.6 L sample of gas originally at 330K and 4.84 atm, when the volume is reduced to 840 mL?
*April 19, 2012 by sam*

**Physics**

A piston contains 1m^3 of helium at a temperature of 250 K and an absolute pressure of 1.0kPa. The following changes are made in sequence: (a) First the volume of the piston is decreased to 0.2 m^3 while the temperature is kept constant, what is the pressure of the gas? (b) ...
*February 17, 2011 by Pressure of gas*

**Chemistry**

A quantity N2 of occupies a volume of 1.4L at 290K and 1.5atm . The gas expands to a volume of 3.1 L as the result of a change in both temperature and pressure. I have the find the density of the gas at these new conditions?
*November 20, 2010 by Kate*

**Chemistry**

A quantity of N2 occupies a volume of 1 L at 290 K and 1.5 atm. The gas expands to a volume of 2.7 L as the result of a change in both temperature and pressure. Find the density of the gas at these new conditions (in grams per liter).
*October 24, 2009 by .*

**chemistry**

a quantity of gas is collected over water at 15C. The manometer indicated a pressure of 24.0kPa. what would be the pressure of the dry gas?
*February 24, 2012 by garrett*

**Algebra**

Boyle's Law says that the volume of a gas varies inversely with the pressure. When the volume of a certain gas is 4L, the pressure is 165 kPa(kilopascals). What is the volume when the pressure is 60 kPa?
*June 7, 2011 by Rachal*

**Math**

Charles's Law states that at constant pressure, the volume of a fixed amount of gas varies directly with its temperature measured in degrees Kelvin. A gas has a volume of 250 mL at 300 K. what is an equation for the relationship between volume and temperature?
*January 24, 2009 by Angie*

**chemistry**

A quantity of 0.020 mole of a gas initially at 0.050 L and 20 degrees Celsius undergoes a constant-temperature expansion until its volume is 0.59 L. Calculate the work done (in joules) by the the gas if it expands (b) pressure of 0.20 atm. (C) If gas in (b) is allowed to ...
*December 28, 2010 by Anna*

**Chemistry**

A quantity of 0.020 mole of a gas initially at 0.050 L and 20 degrees Celsius undergoes a constant-temperature expansion until its volume is 0.59 L. Calculate the work done (in joules) by the the gas if it expands (b) pressure of 0.20 atm. (C) If gas in (b) is allowed to ...
*December 28, 2010 by Cynthia*

**math**

1. Suppose you are the owner of a tile company who purchases tiles from a supplier at a rate of $5 each. a. The variable cost is the cost that depends on the quantity, such as how many tiles are purchased. If you buy 100 tiles at $5 each, how much have you spent on tile? What ...
*March 5, 2012 by Fred*

**Chemistry**

A quantity of gas under a pressure of 302 kPa has a volume of 600. cm3. The pressure is increased to 545 kPa, while the temperature is kept constant. What is the new volume?
*March 31, 2011 by Aubrey*

**Chemistry**

A quantity of gas under a pressure of 302 kPa has a volume of 600. cm3. The pressure is increased to 545 kPa, while the temperature is kept constant. What is the new volume?
*March 31, 2011 by Aubrey*

**Chem**

A bicycle tire is filled with air to a pressure of 100 psi at a temperature of 19C. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58C. The volume increases by 4%. What is the new pressure of the tire? Convert the temps to Kelvins, then use ...
*September 30, 2006 by Mew*

**Math**

What is quantity and how do you use it. A quantity is how much you have of a particular quality or substance. You can use it to compare to other quantities to see if they are more or less. Depending on what you desire — more or less — you might adjust the situation...
*August 28, 2006 by Cait*

**Chemistry**

I'm having trouble understanding Boyle's Law and Dalton's law of partial pressures. Can anyone help me work this please? Thank you A sample of propane gas, C3H8, was collected over water at 22.5 ºC and 680. torr. The volume of the wet gas is 3.89 L. What will be the volume of ...
*November 8, 2014 by Katie*

**physics**

The description for a certain brand of house paint claims a coverage of 460ft^2/gal. A) Express this quantity in square meters per liter. B)Express this quantity in quantity in a SI unit (i.e, meters to the power-1, looks like m-1) C)What is the inverse of the original quantity?
*August 22, 2010 by Brent*

**calculus related rates **

Boyle’s law for the expansion of a gas is PV = k, where P is the pressure (in pounds per unit of area), V is the volume of the gas, and k is a constant. Find the expression that shows the rate of change of the pressure as related to the rate of change of the volume. dP/dt...
*November 11, 2014 by Bill *

**Physical Science**

Hello, I wanted to know in this problem if I came to the correct answer... Thank You I used: Vo/To = Vf/Tf A quantity of gas has a volume of 0.20 cubic meter and an absolute temperature of 333 degrees Kelvin. When the temperature of the gas is raised to 533 degrees Kelvin, ...
*February 7, 2008 by Mandi*

**Physics help please!**

The pressure of a fixed quantity of an ideal gas was held constant. The initial volume was 8.00 cubic meters and the final volume was 2.50 cubic meters. What was the final temperature in kelvins if the initial temerature was 188 degrees fahrenheit... Please walk me through ...
*June 11, 2012 by Genny*

**economics**

Find the CPI for each year(2005 is he base year;and take 2005 as the fixed basket of goods for each year): 2005 price of apple is $1 for 100 quantity produced. Banana $2 for 50 quantity produced. 2006 price of apple is $2 for 150 quantity produced. Banana $3 for quantity of 100.
*February 3, 2008 by Carla*

**More Economics**

I have an lazy instructor using test bank questions unrelated to my text and need some help. The second question is "anything that makes the efficiency wage rise relative to the market-clearing wage will...A) increase both the quantity demanded and the quantity supplied of ...
*June 16, 2007 by Bryan*

**Chemistry Combined Gas Law**

Hi so im reviewing or our long test tomorrow on combined gas law and gay lussac's well here, combined gas law i find it (maybe ) confusing to do this one, because theres no right answers because it is a practice exercise.. what i know on combined gas law is that pressure is ...
*January 28, 2014 by Joy *

**physics**

A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .162 NO HELP: You are given m, the mass. What ...
*December 5, 2010 by sarah*

**Science help please!**

1. The relationship between temperature and volume is known as what law? 2. What is the relationship between temperature and pressure? (directly proportional or inversely proportional) 3. The relationship between volume and pressure is known as what law? My answers: 1. Charles...
*December 2, 2013 by Charlotte*

**chemistry**

A fixed amount of gas initially at 100 K and pressure P1 is expanded from 1 L to 100 L in a piston. The temperature, T2, of the gas at this point is 50 K. The piston is then locked at constant volume V2=100 L and half the gas is pumped out at a constant temperature of T2 . The...
*December 5, 2011 by laura *

**economics please ?**

When quantity supplied equals quantity demanded: A. there is disequilibrium B. the marked is cleared C. there is excess quantity demanded. D. there is excess quantity supplied I'm stuck between C and D but I think it's D?
*December 20, 2010 by tony*

**Physics**

A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .016 NO HELP: You are given m, the mass. What ...
*December 5, 2010 by sarah*

**economics**

When quantity supplied equals quantity demanded: A. there is disequilibrium B. the marked is cleared C. there is excess quantity demanded. D. there is excess quantity supplied I'm stuck between C and D but I think it's D?
*December 20, 2010 by tony*

**physics**

A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .162 NO HELP: You are given m, the mass. What ...
*December 5, 2010 by sarah*

**chemistry **

Hi, I really need help with my lab report because Im completely stuck. Its about the Ideal Gas behaviour. I am given the mass of Nano2 (0.5044g) the temperature of n2 gas (21.2 C) the temperature of water (21.9 C) the volume of n2 (186.1 ml) and the barometric pressure (753.06...
*October 18, 2011 by Tamara*

**Science, Chemistry**

A cylinder containing 11.0L of helium gas at a pressure of 165atm is to be used to fill birthday balloons to a volume of 2.50L per balloon and at a pressure of 1.10atm. What is the maximum number of balloons that can be inflated at a constant temperature? (remember that 11.0L ...
*October 21, 2013 by Theresa*

**Chem**

the quantity of gas, in moles, if 66.9 L at 56°C has a pressure of 11.21 kPa
*May 8, 2014 by Sarah Pick*

**physical science**

Helium has the lowest boiling point of the elements. The slightest change in temp can cause it to vaporize and expand. To prevent pressure explosions, a line from the tank has a "burst disk" in case a of sudden pressure increse. then the diaphragm would rupture and release the...
*January 1, 2011 by anonymous*

**science**

Helium has the lowest boiling point of the elements. The slightest change in temp can cause it to vaporize and expand. To prevent pressure explosions, a line from the tank has a "burst disk" in case a of sudden pressure increse. then the diaphragm would rupture and release the...
*January 1, 2011 by anonymous*

**physics**

A 45 g mass is attached to a massless spring and allowed to oscillate around an equilibrium according to: y(t) = 1.3 * sin( 0.6 * t ) where y is measured in meters and t in seconds. (a) What is the spring constant in N/m? k = N/m .162 NO HELP: You are given m, the mass. What ...
*December 5, 2010 by sarah*

**chem. Combined Gas laws**

A gas takes up a volume of 17 liters, has a pressure of 2.3 atm, and a temperature of 299K. If I raise the temperature to 350K and lower the pressure to 1.5 atm, what is the new volume of the gas? Use the combined gas law here. I will be happy to critique your work.
*April 16, 2007 by sam*

**programming**

Create three (3) one-dimensional arrays: Item Number, Quantity-on-hand and Unit Cost for 15 items. Input data into all the arrays. After the data is entered, read an arbitrary number of records containing an item number and quantity-ordered. If the quantity ordered for the ...
*February 21, 2014 by lidia*

**Chem**

To what temperature in K must a variable volume container of helium gas be cooled to obtain a final volume of 0.182 L? The initial volume and temperature are 2.34 L and 314 K, respectively. The pressure and number of moles are fixed. You're supposed to us V1/T1=V2/T2, and I ...
*October 7, 2012 by Anonymous*

**Chemistry**

To what temperature in K must a variable volume container of helium gas be cooled to obtain a final volume of 0.182 L? The initial volume and temperature are 2.34 L and 314 K, respectively. The pressure and number of moles are fixed. You're supposed to us V1/T1=V2/T2, and I ...
*October 7, 2012 by Anonymous*

**Gas Law problems ( Chemistry)**

the initial temperature of a 1l sample of gas is 20c. The pressure is decreased from 720mmhg to 36mmhg and the volume increases to 2.14l. What was the final temperature of the gas?
*March 17, 2013 by Allyson*

**finance**

Consider a 2 yr project with initial fixed asset investment=$495,000, straight line depreciation to zero over the 2 yr life, zero salvage value, selling price =$39, variable costs=$20. fixed costs=$210,000, quantity sold=150,000 units, tax rate=31%. How sensitive is (OCF) to ...
*August 17, 2008 by Tuty*

**Calculus 2**

The pressure P of a gas is related to its volume V by the formula P=k/V where k is a constant. A quantity of gas with an initial volume of 1 cubic meter and a pressure of 2.5 newtons per square meter expands to a volume of 16 cubic meters. Find the work done by the gas.
*November 7, 2012 by Heather*

**physics**

A 22.0-L tank of carbon dioxide gas (CO2) is at a pressure of 9.40 105 Pa and temperature of 22.0°C. (a) Calculate the temperature of the gas in Kelvin. K (b) Use the ideal gas law to calculate the number of moles of gas in the tank. mol (c) Use the periodic table to compute ...
*April 29, 2013 by Annette*

**chemistry**

A 24L sample of a gas at fixed mass and constant temperature exerts a pressure of 3.0 atm. What pressure will the gas exert if the volume is changed to 16L?
*March 16, 2010 by catherine*

**Calculus- Please Help!**

Very confused with this question. Amy help would be appreciated. The ideal gas law states that P V = nRT where P is the pressure in atmospheres, V is the volume in litres, n is the number of moles, R = 0.082 L·atm/K·mol is the gas constant, and T is the temperature in Kelvins...
*November 4, 2014 by Anonymous*

**chemistry**

Hydrogen gas produced by this reaction is typically collected via water displacement, during which time the hydrogen gas becomes saturated with water vapor. If 238.4 mL of gas with a total pressure 1.27 atm was collected via water displacement at 29.4 °C, what is the partial ...
*September 27, 2014 by A*

**Chemistry**

Need help with #2 & # 3 1. Record the pairs of data for pressure (atm) and volume (mL). Pressure(atm) Volume(mL) 1.000 150 mL 1.154 130 mL 1.364 110 mL 1.667 90 mL 2. Does your experimental data verify Boyle's Law? Explain. 3. What pressure would the gas sample have at a ...
*May 14, 2010 by Ashley*

**chemistry**

a sample containing 1.50 mol neon gas has a volume of 8.00L.what is the new volume of the gas in liters when the following changes occur in the quantity of the gas at constant pressure and temperature? a.a leak allows on-half of the neon atoms to escape. b. a sample of 25.0g ...
*June 27, 2010 by Jetta*

**math**

1.As the 1st quantity increases, the 2nd quantity also increases. 2.As the 1st quantity increases, the second quantity decreases.
*February 6, 2013 by charles*

**Physics**

A quantity of monatomic ideal gas expands adiabatically from a volume of 2.0 liters to 6.0 liters. If the initial pressure is P0, what is the final pressure?
*February 12, 2013 by Alex*

**More Economics**

I have an lazy instructor using test bank questions unrelated to my text and need some help. The second question is "anything that makes the efficiency wage rise relative to the market-clearing wage will...A) increase both the quantity demanded and the quantity supplied of ...
*June 16, 2007 by Bryan*

**AP Chemistry**

Small quantities of hydrogen gas can be prepared in the laboratory by the addition of aqueous hydrochloric acid to metallic zinc. Zn(s)+2HCl(aq) -> ZnCl2(aq)+ H2(g) Typically, the hydrogen gas is bubbled through water for collection and becomes saturated with water vapor. ...
*November 3, 2010 by Anonymous*

**CHEMISTRY**

Show how Boyle's law can be derived from the ideal gas law.
*May 7, 2010 by ~anonymous*

**science**

Helium has the lowest boiling point of the elements. The slightest change in temp can cause it to vaporize and expand. To prevent pressure explosions, a line from the tank has a "burst disk" in case a of sudden pressure increse. then the diaphragm would rupture and release the...
*January 2, 2011 by anonymous*

**Physics**

Which of the following desceriptions about ideal gas is/are correct? 1)An ideal gas obeys Boyle's law only under high temp and low pressure 2)the molecules of an ideal gas have no size 3)the internal energy of an ideal gas consists of kinetic energy only A.1)only B.3)only C.1...
*January 26, 2012 by Kong*

**Algebra 2**

I need to know if I did this problem correctly: 5. Solve for x in |x - 3| >8 Work: |x - 3| >8 |x| > 8 +3 Anwer= x > 11 I also need help with these 2: 15. Comepare the quantity in Column A with the quantity in Column B. Column A- slope of y = 2x +2 Column B- slope ...
*April 19, 2011 by mysterychicken*

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