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May 5, 2016

# Search: chem. Combined Gas laws

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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

physics (gas laws)
I have a packet of homework so I think I may post other questions that I'm stuck on later this weekend. So thats a heads up. This packet deals with Gas Laws. 1. Given 100 ml of dry gas measured at 37° C and 760 mmHg, what would be its volume at 60°C? I used Charle's Law and ...
January 26, 2008 by abby

Physical science
I need help with the gas laws (Boyle's, Charle's, Gay-Lussac's & the combined gas law). A sample of 6.00 liters of xenon is collected at 960 mm Hg and 50 degrees Celsius. What is the volume at STP?
May 11, 2011 by Jacqueline

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

Need help also with this chem ?
I also thought this question on combining gas laws P1V1/T1=P2V2/T2 was also a bit tricky for me. P1V1/T1=P2V2/T2 P1 is 760 torr with a blank box underneath it. V1 is 2.4 L. T1 is 37 °C with a blank box underneath it. P2 is a ?. V2 is 4.8 L. T2 is 300 K. How do I combine these ...
May 2, 2008 by Lizy

chem
how do you solve for the combined gas law?..i ..I am very confused ..someone help by making it easier and clear since i am kinda slow.. ex.a sample of neon gas has a volume of 752ml at 25.0C. what will the volume at 50.0C be if pressure is constant
May 29, 2008 by amie

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

Chem HW Help!
I need help answering some questions on how to combine gas law.If for some reason you don't feel you shold answer this question can you provided me with the steps on how to combine gas laws or give me a good website that may provided help or may have a good combine gas law ...
May 1, 2008 by Lizy

chem
using gas laws using P1,V1,T1,P2,V2,T2 soling for P2 P1,V1/T1 =P2,V2/T2 Divide by V2 =T2/V2 (P1)(V1)(T2)/(T1)(V2)=P2 If I'm solving for P2, is this the right set up? Thanks
July 27, 2012 by sweetpea

Anthropologhy
Sumptuary laws are: (Points : 1) property laws. marriage laws. religious laws. civil laws.
April 7, 2013 by Tawnya

Chem
How would increasing the volume of the reaction vessel affect these equilibria. You don't have to tell me the answers, but can you please explain to me how I get the answer. a) NH4Cl(solid) <===> NH3(gas) + HCL(gas) b) N2(gas) + O2(gas) <===> 2NO(gas)
March 10, 2010 by Sammy

chemistry
The combined gas law can be rearranged to solve for T2. In which of the expressions given below has the combined gas law correctly been rearranged to solve for T2?
July 28, 2015 by Mindy

physics(gas laws)
Got a question 3. Given 325 ml of saturated gas at 760 mmHg and 25°C, what would be its volume if dry at the same pressure and temperature? I got confused when I read 'if dry' Does that mean I have to subtract something out of 760mmHg? And would I used the combined gas law and...
January 27, 2008 by abby

chem.
What is the total pressure in of a gas mixture containing argon gas at 0.25 , helium gas at 385 , and nitrogen gas at 345 .
September 6, 2012 by katy

chem
What is the total pressure in mm Hg of a gas mixture containing argon gas at 0.25 atm helium gas at 350 mm,Hg, and nitrogen gas at 360 torr.
July 10, 2010 by andy

Chemistry
using the gas laws, What is V in the table below? initial: 1420 torr 75 mL 200 K Final: 760 torr V 360 K What is T using the gas laws? Initial: 91.8 mL 365 K Final: 45.8 mL T
December 8, 2010 by Becca

Chemistry
What volume of hydrogen chloride gas will result when hydrogen gas is combined with 58.35 liters of chlorine gas? I need help balancing the equation also.
March 3, 2012 by doll

gas laws
A balloon contains 10.0g of neon gas. With T kept constant, 10.0g of argon gas is added, and the volume of the balloon expands by less than 2 times. Why?
November 13, 2012 by Parkin

gas laws
A balloon contains 10.0g of neon gas. With T kept constant, 10.0g of argon gas is added, and the volume of the balloon expands by less than 2 times. Why?
November 13, 2012 by Parkin

chemistry
1. what gas law does the nitric oxide relate to and why? (**charles law, boyles law, combined gas or gay-lusaacs law) 2. What gas law does nitrogen monoxide relate to? (**charles law, boyles law, combined gas or gay-lusaacs law)
October 4, 2010 by navroz

chemistry
Which one of the following statements regarding ideal gas laws is FALSE? Select one: a. An ideal gas has an infinite heat capacity b. The macroscopic ideal gas equation is PV = nRT c. The temperature must always be measured in Kelvin (K) d. A single molecule of gas has kinetic...
June 22, 2014 by andrea

chemistry: Gas Laws
how do i setup this problem: What is the pressure of 0.5 mol of a gas with a volume of 6L at 27degreesC?
May 28, 2009 by chris

Chemistry (on gas laws)
What is the mass of 3.91 L of fluorine gas at STP?
May 10, 2011 by Susan

Chem
A chemist was asked to find the molecular mass of a gas. She massed the gas and found that 3.73 g of the gas occupied 300 cm3 at 25°C and 92.4 kPa. What is the molecular weight of the gas?
March 28, 2008 by B

Chemistary
2H2+3N2-->2NH3 if 28g of H2 gas and 35g of N2 gas are combined, how much NH3 will be produced?
April 21, 2011 by rimmy

Government Check
What was the name of the discriminatory laws enacted in response to the 13th, 14th and 15th Amendments? a)Separate but Equal Laws *b)Jim Crow Laws c)Dred Scott Laws
July 4, 2010 by Ariel

chemistry
Use the combined gas law to solve the following problem: Calculate the volume of helium gas that results when 0.550 L of the gas is heated from 22.0 degrees C at 1.00 atm to 30.0 degrees C at 1.50 atm .
April 8, 2010 by Anonymous

Chem (Help!)
I need help in using gas laws to solve problems. I need help with this question: What is the pressure in atmospheres exerted by a 0.500 mol sample of oxygen gas in a 10.0 L container at 298 K? Also what formula would I use to solve the pressure in this problem? Also in order ...
April 29, 2008 by Lisa

World History
What was the significance of the Code of Hammurabi? The laws were developed from an ancient Sumerian code of laws. The laws were displayed throughout the empire for all to see. The laws guaranteed many freedoms for ordinary citizens. The laws guaranteed equality between the ...
September 17, 2014 by Sara

Chem
Can you please tell me if these are right? A gas has a volume of 2.8 L at a temperature of 27 degrees C. What temperature degrees C is needed to expand the volume to 15 L? (P and n are constant.) I got 1334 degress C Combined gas law problem a balloon is filled with 500.0 mL ...
November 14, 2010 by Alice

Chemistry
when calculating stoichiometric relationships in gas reactions using the combined gas law why is it important to convert the volumes and pressure to STP?
September 28, 2011 by Maci

chem
Krypton gas is four times denser than neon gas at the same temperature and pressure. Which gas is predicted to effuse faster?
January 8, 2013 by Samantha

chem 1
A gas-forming reaction produces 1.35 m3 of gas against a constant pressure of 143.0 kPa. Calculate the work done by the gas in joules.
May 2, 2013 by christie

chem
Suppose a g is collected in 145 mL flask whef-tfle temperature of the gas is 23°C and the pressure of the gas is 785 mm Hg. Calculate the volume ofthe gas at STP.
February 14, 2016 by Ashley

Anatomy & Physiology
4. Describe the physical laws (Gas Laws) which are related to the respiratory processes! http://www.google.com/search?hl=en&lr=&as_qdr=all&q=breathing+%22gas+laws%22+lungs+
March 18, 2007 by Vesone

Chem
Classify each of theses changes as a positive or negative change in entropy of a sample of this green gas. A) chlorine gas condense to a liquid = - B) chlorine gas is heated in a container= + C) chlorine gas deposits on a cold surface= -
March 8, 2013 by Can someone check this for me really quick

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!
January 20, 2013 by Colleen

A Nitrox II gas mixture for scuba diving contains oxygen gas at 50atm and nitrogen gas at 98atm . What is the total pressure, in atm, of the scuba gas mixture?
July 18, 2013 by Anonymous

chem
6.01-L cylinder contains 1.25 mol of gas A and 4.54 mol of gas B, at a temperature of 32.8 °C. Calculate the partial pressure of each gas in the cylinder. Assume ideal gas I have work this question three time and can not get the rt answer
December 1, 2013 by dinah

chem
6.01-L cylinder contains 1.25 mol of gas A and 4.54 mol of gas B, at a temperature of 32.8 °C. Calculate the partial pressure of each gas in the cylinder. Assume ideal gas I have work this question three time and can not get the rt answer
December 1, 2013 by dinah

Chemistry
Suppose that 2.3 L of gas at 35°C and 1.0 atm is expanded to 4.5 L at 42°C. What will the final pressure of the gas be? (Ti in Kelvins=308.15; Tf(K)=315.15) Can someone please show me how to plug the values into the Combined Gas Law formula to calculate for Pf? Please don't ...
March 23, 2013 by Pam

Chemmistry gas laws
CH2==Ch2(g) ----> CH4(g) + C (graphite) If the decomposition begina at 10 degrees C and 50.0 atm with a gas density of 0.215 g/mL and the temperature increases by 950K, what is the final pressure of the confined gas (ignore the volume of graphite and use the van der waals ...
October 13, 2011 by tori

chem
Consider the following cyclic process carried out in two steps on a gas. Step 1: 48 J of heat is added to the gas, and 20. J of expansion work is performed. Step 2: 70. J of heat is removed from the gas as the gas is compressed back to the initial state. Calculate the work for...
December 2, 2007 by mel

Chemistry combined gas law
Can someone tell me if I did this combined gas law problem correctly? What would happen to the volume of a container whose initial volume is 21.5 L at STP (standard pressure) and is introduced to conditions of 93.2 kPa and 333 K? Formula: P1 x V1 / T1 = P2 x V2 / T2 V2 = P1 x ...
March 1, 2015 by Theresa Kwnt

Chemistry combined gas law
Can someone tell me if I did this combined gas law problem correctly? What would happen to the volume of a container whose initial volume is 21.5 L at STP (standard pressure) and is introduced to conditions of 93.2 kPa and 333 K? Formula: P1 x V1 / T1 = P2 x V2 / T2 V2 = P1 x ...
March 1, 2015 by Theresa Kwnt

Chemistry
I am totally confused. Does my answer make sense or do I need to start over? The more I read it the more I doubt my answer. I am also confused when it states Please be specific. Is it looking for a specific number for the temperature and pressure or just the conditions? Under ...
January 31, 2008 by Jamie

Chemistry
2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g) In the equation, if 14 L of ethane (C2H6) and 14 L of oxygen (O2) combined and burned to completion, which gas will be leftover after the reaction, and what is the volume of that gas remaining?
October 6, 2015 by Giselle Meza

Chem 1000
A Cylinder is filled with 1.20 mol of He(g) at 25 C under ambient pressure of 0.966 atm. The gas in the cylinder is then heated with 1.430 KJ of heat, and the piston is raised by the expanding gas under the constant ambient pressure. Calculate the following after expansion. a...
October 16, 2010 by J Velji

chemistry
what is the difference between the combined gas law and the ideal gas law? are they the same thing?
March 2, 2009 by kayla

Social Studies
3. How long is the term of a senator? 2 years 4 years 6 years****** Life 4. What is the core function of the executor branch? To make laws To interpret laws To carry out laws To declare laws unconstitutional********
December 4, 2015 by The Specters

Social Studies
Okay! I don't know the correct terminology for what I call MINI-LAWS. MINI-LAWS are laws added on to one big law. Example: Math has to make up 1/3rd of all lessons taught. MINI-LAWS would include...grades 3-12, college exempt. So can you tell me what the correct terminology ...
July 22, 2008 by Minerva

Chem
A scientist finds that one volume of an unknown gas X combines with 2 volumes of another gas Y to form 2 volumes of a new gas with a formula XY2. What is the balanced equation?
January 21, 2015 by Anonymous

sociology
Which of the following examples best demonstrates to most people that ethical progress has taken place over the past 200 years? (Points : 1) Laws that prohibit discrimination based on race Laws that have increased speed limits Laws that prevented women from voting Laws that ...
February 21, 2015 by Bryan Alvarez

ethics
Which of the following examples best demonstrates to most people that ethical progress has taken place over the past 200 years? (Points : 1) Laws that prohibit discrimination based on race Laws that have increased speed limits Laws that prevented women from voting Laws that ...
July 20, 2015 by Anonymous

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 ?
February 1, 2010 by Sarah

Physics
A 5.0x10^-3 m^3 container holds 4.90 g gas when the pressure is 75.0 cm Hg and the temperature is 50.0 degrees C. What will be the pressure if 6.00 g of this gas is confined to a 2.0x10^-3 m^3 container at 0.0 degrees C? Do I simply need to use the combined gas law or does the...
February 24, 2015 by Help2

chemistry
which of the following steps in the formation of KCI releases energy? A.K{solid} -> K{gas} B.K {GAS} -> K+ {GAS} + e- C.C1 {GAS} -> C1- {GAS} D.C1 {GAS} + e- -> C1 - {GAS} E. K+ {GAS} + C1- {GAS} -> KC1 {SOILD} A. A B. C C. B AND A D. D AND E I will be happy to ...
January 12, 2007 by Darius Graham

soc 120
Which of the following examples best demonstrates to most people that ethical progress has taken place over the past 200 years? (Points : 1) Laws that prohibit discrimination based on race Laws that have increased speed limits Laws that prevented women from voting Laws that ...
March 1, 2015 by Anonymous

Chem
A flexible container at an initial volume of 5.12 L contains 7.51 mol of gas. More gas is then added to the container until it reaches a final volume of 18.3 L. Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the ...
December 10, 2014 by wendy

chem
A flexible container at an initial volume of 8.15 L contains 2.51 mol of gas. More gas is then added to the container until it reaches a final volume of 12.1 L. Assuming the pressure and temperature of the gas remain constant, calculate the number of moles of gas added to the ...
November 8, 2015 by keisha

chemistry
a sample of nitrogen gas has a volume of 1.00 l at STP What is the temp in Celsius if the volume is 10.0 L at 2.00 atm * I know to use the combined gas law, and I got the question wrong in my homework assignment, reviewing for a test today please help.
November 21, 2011 by James

Chemistry
A gas occupies a volume of 0.500L at 125 degrees Celsius and 0.443 atm. What mathematical expression will yield the correct temperature at 0.750 L and 0.689 atm? Is it the combined gas law of P2V1/T1=P2V2/T2?
December 6, 2011 by Lisa

Managerial Economics
Some states have had laws restricting the ssale of most goods on Sunday. Consumers, by and large, oppose such laws because they find Sundat afternoon a convenient time to shop. Paradoxically, retail trade associations frequently support the laws. Discuss the reasons for ...
June 18, 2008 by Dee

Chem
If 66.5 mol of an ideal gas is at 5.97 atm and 335 K, what is the volume of the gas?
December 10, 2014 by wendy

chem
A 9.80-L container holds a mixture of two gases at 39 °C. The partial pressures of gas A and gas B, respectively, are 0.426 atm and 0.832 atm. If 0.250 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
December 1, 2013 by dinah

chem
8.10-L container holds a mixture of two gases at 45 °C. The partial pressures of gas A and gas B, respectively, are 0.153 atm and 0.882 atm. If 0.110 mol a third gas is added with no change in volume or temperature, what will the total pressure become?
December 1, 2013 by dinah

Chem
Chemistry please help. A 20.0-L gas cylinder contains 4.80 g H2 at 25 degree celcius. what is the pressure of this gas?
May 24, 2011 by Michelle

science-gas laws
I got 2 questions for ya: 1. Calculate the new pressure of an oxygen tank at 127o C if the tank had 2200 psig at room temperature (22o C)? I used Gay Lussac's law. Here's my work: P1= 2200psi P2= X T1= 295K T2= 400K (2200x295)400= X I got 2983psi Is that correct? 2. Given 320 ...
August 28, 2007 by abby

Economics
Some states have had laws restricting the sale of most goods on Sunday. Consumers, by and large, oppose such laws because they find Sunday afternoon a convenient time to shop. Paradoxically, retail trade associations frequently support the laws. Discuss the reasons for ...
July 15, 2013 by Eric

CHEMISTRY
NEED HELP (Combined gas Law) A gas at a pressure of 1.50 atm has a volume of 200 mL. Calculate the new volume if the pressue changes to 1.20 atm. Assume constant temperature.
March 19, 2013 by JOY

chem
A sample of ideal gas is in a sealed container. The pressure of the gas is 615torr , and the temperature is 10 ∘ C . If the temperature changes to 56 ∘ C with no change in volume or amount of gas, what is the new pressure, P 2 , of the gas inside the container?
March 18, 2015 by dakota

Chem
In an experiment, 7.5 mol of a gas are held in a 3.5 L container at 39 c. What pressure does the gas exert if it is assumed to be ideal?
June 29, 2011 by Chris

chem
A 0.0097561 g quantity of an unknown gas occupies 0.2 L at 500 K and 2 atm. What is the Molecular Weight (MW) of the gas ?
December 5, 2011 by laura

chem
A 0.0097561 g quantity of an unknown gas occupies 0.2 L at 500 K and 2 atm. What is the Molecular Weight (MW) of the gas ?
December 5, 2011 by laura

chem
A 5.00 liter sample of gas measured at 27.0*C and 1.25 atm presure has a mass of 10.13 g. What is the formula weight of the gas?
August 1, 2012 by liz

CHEM
To identify a diatomic gas (), a researcher carried out the following experiment: She weighed an empty 1.00- bulb, then filled it with the gas at 1.10 and 23.0 and weighed it again. The difference in mass was 1.27 . Identify the gas.
October 24, 2008 by Kara

chem
If 41.5 moles of an ideal gas is at 4.71 atm at 49.90 °C, what is the volume of the gas?
December 1, 2013 by dinah

chemistry
using the ideal gas law or the combined gas law,why does the air pressure inside the tires on my motorcycle increases during the time I am riding it. Consider what factors are being kept constant and what are changing and how. What if I weigh alot?
February 24, 2014 by tricia

chem
Consider a tube that is 1.0 meter long. If NH3 gas is introduce at the 0-m mark at the same time HCl gas is introduced at the 1-m mark, how far down the tube will the ring of gas occur?
October 26, 2012 by carina 78

chem
To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 4.3-L bulb, then filled it with the gas at 1.90 atm and 21.0 C and weighed it again. The difference in mass was 9.5 g . Identify the gas.
November 11, 2015 by Anonymous

Check my answer for 1 history question?
11. In 1935, Hitler and Germany enacted laws which denied German citizenship to Jews, banned marriage between Jews and non-Jews, and segregated Jews at every level of Society. What were these laws called? a. The Nuremberg Laws b. The Anti-Jewish Laws c. The Berlin Plan ******
March 29, 2016 by Anonymous

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 container hold? c) if...
May 22, 2011 by me

Chem..
1. The c of a certain gas at 25˚C is 411 m/sec. Determine the molar mass of the gas. 2. The c of a sample of O2 is 575 m/sec. Determine the temperature of the gas.
September 17, 2012 by BJ

chem
A sample of hydrogen gas occupies 16.8 L at STP. How many moles of the gas are present? Answer in units of mol
April 19, 2012 by luke

chem
a gas has a volume of 95 ml at a pressure of 700 torr and temp of 77C what volumn will this gas occupy at stp
February 27, 2013 by Anonymous

chem
the work done by a gas when it expands to 96 L is 4100 J. if the external pressure is 2.0 atm, determine the initial volume of the gas.
October 16, 2014 by bekah

chemistry
How much heat energy is given off when one kilogram of hydrogen gas at 25C and one atmosphere is combined with enough oxygen gas to make liquid water at 25C?
March 23, 2012 by Kevin

college chem
A researcher explores the ideal gas equation. He measures the pressure of a system at different temperatures ( keeping the volume and moles of the gas constant) and creates a plot of P versus T. What is the slope of the line that results if the volume is 1.0L when 1.0 mol of ...
February 1, 2013 by k

chem help plz
While in Europe, if you drive 125km per day, how much money would you spend on gas in one week if gas costs 1.10 euros per liter and your car's gas mileage is 22.0mi/gal ? Assume that 1euro=1.26dollars.
September 6, 2014 by ityi

chem
Calculate the density of carbon monoxide gas at standard conditions if 25.0 mL of the gas weighs 0.0329 g at 800.00 mm of pressure???
May 26, 2010 by lesly

Ethics
HIPAA, GLB, and COPPA laws can help ensure people's privacy. What is their ethical justification? Is there gray area in these laws? How do some businesses try to find their way around these laws
May 24, 2013 by David

CHEM
To identify a diatomic gas (), a researcher carried out the following experiment: She weighed an empty 1.00- bulb, then filled it with the gas at 1.10 and 23.0 and weighed it again. The difference in mass was 1.27 . Identify the gas. Express your answer as a chemical formula.
October 24, 2008 by Kara

Chem
a container of 2.00 moles of an ideal gas as 1000 K undergoes a constant pressure and volume process in which the number of moles is increased to 5moles. what is the final temperature of the gas. How do I start this? Do I somehow use the ideal gas law?
November 30, 2010 by Don

CHEM
A balloon contains 3.3 liters of nitrogen gas at a temperature of 90K and a pressure of 101 kPa. If the temperature of the gas is allowed to increase to 25∘C and the pressure remains constant, what volume will the gas occupy? V=_____L? Ty again!

Chem help?
In an experiment 5.57 +/- 0.02 grams of water chemically decomposes into the products hydrogen gas and oxygen gas. The measured mass of oxygen gas produced in the reaction is 4.9320 +/- 0.0001 grams. The hydrogen gas occupies a volume of 6902 mL. Report the density of the ...
February 7, 2008 by sool

CHEM!!
In an experiment 5.57 +/- 0.02 grams of water chemically decomposes into the products hydrogen gas and oxygen gas. The measured mass of oxygen gas produced in the reaction is 4.9320 +/- 0.0001 grams. The hydrogen gas occupies a volume of 6902 mL. Report the density of the ...
February 7, 2008 by HELP!!

chem
What is the volume of 325 mL of a sample of gas at 51.0°C and 710. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
November 29, 2010 by Kate

chem
What is the volume of 325 mL of a sample of gas at 51.0°C and 710. mm Hg if the conditions are adjusted to STP? Assume the amount of gas is held constant.
November 29, 2010 by Kate

chem
What volume of carbon dioxide gas (at STP) is produced when 1.01 moles of oxygen gas react completely? 2CO + O2 -> 2CO2
November 10, 2013 by Dakota

ethics question
how HIPAA, GLB, and COPPA laws can help ensure people's privacy. What is their ethical justification? Is there gray area in these laws? How do some businesses try to find their way around these laws?
November 7, 2010 by Anonymous

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