# osmotic pressure chemistry

10,993 results, page 20
1. ## bio

You want to design a breathing machine that will bring 500 mL of air into the lungs. You begin with 100 mL of air at 2 atm of pressure. How would you change the pressure in your machine to accomplish your goal?

asked by Anonymous on June 13, 2013
2. ## Chemistry

An aqueous CaCl_2 solution has a vapor pressure of 82.1mmHg at 50C. The vapor pressure of pure water at this temperature is 92.6mmHg. What is the concentration of CaCl_2 in mass percent?

asked by melissa on January 21, 2010
3. ## physical biochemistry

One mole of an ideal monatomic gas initially at 300 K is expanded from an initial pressure of 10 atm to a final pressure of 1 atm. Calculate ��E, q, w, ��H, and the final temperature T2 for this expansion carried out according

asked by mary on February 16, 2010
4. ## Chemistry-pls help urgent

Posted by candy on Tuesday, October 12, 2010 at 5:04pm. 1) How do I prepare 2M nitric acid from 65% concentrated nitric acid? 2) How do I prepare 17% ammonia from 25% concentrated ammonia? Please show calculation steps. Thanks. Chemistry -pls help urgent -

asked by candy on October 12, 2010
5. ## Chemistry

The mass percent of a three component gas sample is 95.2% PF5, 1.40% C2H2 and 3.40% C3H6. Calculate the partial pressure (atm) of PF5 if the total pressure of the sample is 570.0 torr.

asked by Katie on January 21, 2010
6. ## Chemistry

A gas sample is connected to a closed-end manometer. The difference in mercury levels in the 2 arms is 115 mm. What is the gas pressure in torr if the atmospheric pressure is 750. torr?

asked by Kate on October 12, 2010
7. ## Physics

The bulk modulus of water is B = 2.2 x 10^9 N/m2. What change in pressure Delta P (in atmospheres) is required to keep water from expanding when it is heated from 12.4 °C to 31.1 °C? I know that the equation for pressure is Delta P = Force / Area but I

asked by Kace on April 22, 2014
8. ## physics

Independent variable is volume, in cubic meters (m3). Dependent variable is pressure, in pascals (Pa). Data points are (0.1, 40), (0.5, 8), (1, 2), (4, 1), (5, 0.8), (8, 0.5), (10, 0.4). Following the directions above, write a mathematical expression for

asked by Anonymous on September 4, 2012
9. ## Chemistry

At T = 25 degrees Celsius, the reaction No2 2NO +O2 has an equilibrium constant K=5.0*10^-13. Suppose the container is filled with NO2 at an initial pressure of 0.25 atm. Calculate the partial pressure of NO at equilibrium

asked by Paul on November 29, 2012
10. ## chem

A gas sample is connected to an open-end manometer. The mercury level is 25 mm lower in the side open to the atmosphere, and the atmospheric pressure is 754 torr. What is the pressure of the gas?

asked by JS on August 30, 2011
11. ## chemistry

Two moles of an ideal gas initially at 27C and 1 atm pressure are compressed isothermally and reversibly till the final pressure of the gas is 10 atm. Calculate the work done. (R=8.314 JK-1mol-1)

asked by anu on February 21, 2015
12. ## chemistry kinetics

The reaction SO2Cl2(g) → SO2(g) + Cl2(g) is a first order reaction carried out at constant volume at 600 K whose t1/2 is 4.1 hr. The initial pressure of SO2Cl2 is 1.25 atm. What will be the total pressure of the system after 1 hour?

asked by swa on May 24, 2012
13. ## chemistry

A gas sample is connected to an open-end manometer. The mercury level is 25 mm lower in the side open to the atmosphere, and the atmospheric pressure is 754 torr. What is the pressure of the gas?

asked by JS on August 30, 2011
14. ## Chem

A heliox deep-sea diving mixture contains 2.0 g of oxygen to every 98.0 g of helium. What is the partial pressure of oxygen when this mixture is delivered at a total pressure of 8.0 atm? This is a new chapter were covering and i have no idea how to do

asked by marsha on October 15, 2010
15. ## Chemistry

At T = 25 degrees Celsius, the reaction No2 2NO +O2 has an equilibrium constant K=5.0*10^-13. Suppose the container is filled with NO2 at an initial pressure of 0.25 atm. Calculate the partial pressure of NO at equilibrium

asked by Paul on November 29, 2012
16. ## PHYSICS ASAP!!

An office window has dimensions 3.6 m by 1.6 m. As a result of the passage of a storm, the outside air pressure drops to 0.95 atm, but inside the pressure is held at 1.0 atm. What net force pushes out on the window?

asked by Anonymous on February 11, 2013
17. ## Chemistry

How would you prepare 500.0 of an aqueous solution of glycerol with a vapor pressure of 24.8mm Hg at 26 degree Celsius (vapor pressure of pure water=25.21mm Hg)? assume the density of the solution to be 1.00 g/mL.

asked by Kris on September 10, 2012
18. ## chemistry

A 300 mL sample of hydrogen gas is at a pressure of 0.500 kPa. If the pressure increases to 0.750 kPa, what will be the final volume of the sample? Assume that the temperature stays constant

asked by Kristyn on February 14, 2012
19. ## Chemistry

Determine the vapor pressure (in atm) of water in an aqueous solution of 12% by mass ethylene group (antifreeze) if the vapor pressure of pure water at that temperature is 0.095 atmospheres.

asked by Samantha on February 16, 2016
20. ## chemistry

A scuba diver takes a 2.3L balloon from the surface, where the pressure is 1.0atm and the temperature is 37degrees C, to a depth of 35m, where the pressure is 4.5atm and the temperature is 18degrees C.what is the final volume at this depth?

asked by Jessica on April 28, 2012
21. ## chemistry

a weather balloon is filled with helium to a volume of 250 l at sea level, where pressure is 760 mm hg. assuming constant temperature, what will be the volume when the balloon raises to a height of 25 km, where the pressure is only 10 mm hg

asked by maria on June 8, 2017
22. ## Chemistry

A sample of helium gas has a volume of 900. milliliters and a pressure of 2.50 atm at 298 K. what is the new pressure when the temperature is changed to 336K and the Volume is decreased to 450. milliliters? a- 0.177 b- 14.1 c- 5.64 d- 4.43

asked by denny on March 6, 2008
23. ## chemistry

A 300 mL sample of hydrogen gas is at a pressure of 0.500 kPa. If the pressure increases to 0.750 kPa, what will be the final volume of the sample? Assume that the temperature stays constant

asked by Kristyn on February 14, 2012
24. ## Chemistry

A sample of helium gas has a volume of 900. milliliters and a pressure of 2.50 atm at 298 K. what is the new pressure when the temperature is changed to 336K and the Volume is decreased to 450. milliliters? a- 0.177 b- 14.1 c- 5.64 d- 4.43

asked by John on March 6, 2008
25. ## Chemistry

A balloon originally has a volume of 4.39L at 44 C and a pressure of 729 torr. What temperature must the balloon be cooled to to reduce its volume to 3.78L at the same pressure? (A) 38 C (B) 72.9 C (C) 0 C (D) 546 C (E) 273 C Is the correct answer (A), 38

asked by Anonymous on January 1, 2010
26. ## Chemistry

A balloon originally had a volume of 6.63 L at 86 °C and a pressure of 684 torr. The balloon must be cooled to __________°C to reduce its volume to 6.03 L (at constant pressure). Express answer to the tenth decimal place

asked by Camarra on April 22, 2010
27. ## chem

At what temperature will a 1.0 g sample of neon gas exert a pressure of 500 torr in a 5.0 L container ? or At what temperature will a 0.0470 mol of a gas fill a balloon to 1.20 L under 0.988 atm pressure ?

asked by katie on May 15, 2012
28. ## Chemistry

KClO3 decomposes in the presence of MnO2 to form oxygen gas, collected over H2O at 23.0 degrees C and a barometric pressure of 754.2 torr, as described in the experimental description. After the pressure of the oxygen gas is equalized with atmospheric

asked by Anonymous on July 9, 2008
29. ## Chemistry

A sample of gas occupies 100ml at 27 degree Celsius and 740mm pressure. The temperature the gas will have,when its volume is changed to 80ml at 740mm pressure is?

asked by Angel on May 19, 2014
30. ## Chemistry

A sample of an ideal gas in a closed container (3.00 L) at 25.0 degrees C is heated to 300 degrees C. What is the pressure of the gas at this temperature? Do I use P1/T1=P2/T2? I was told to use that, but I don't know what pressure is. Thanks

asked by Anonymous on April 30, 2009
31. ## Chemistry

Methane (CH4) behaves as an ideal gas under standard temperature and pressure conditions. What volume is occupied by 1 kg of methane at a temperature of 35 °C and a pressure of 0.9 atm?

asked by vanessa on May 22, 2017
32. ## Science

A student uses a eudiometer tube to collect oxygen gas over water where the temperature is 22 ºC. What is the pressure of the oxygen gas (mm Hg) if the air pressure in the lab is 735 mm Hg?

asked by Molly on February 3, 2018
33. ## chemistry

The volume of a gas is 150 mL at 240.0 kPa pressure. What will the pressure be when the volume is reduced to 100.0 kPa, assuming the temperature remains constant?

asked by Kim on May 21, 2014
34. ## Chemistry

a cylinder of helium has a volume of 8.0 L. The pressure of the gas is 388 lb in -2 at 25*C. What volume will the helium occupy at a standard atmospheric pressure (14.7 lb in -2) assuming there is no temperature change?

asked by Mindy on November 11, 2011
35. ## chemistry

A sample of gas occupies 100ml at 27degree Celsius and 740mm pressure. The temperature the gas will have,when its volume is changed to 80ml at 740mm pressure is?

asked by Angel on May 19, 2014
36. ## chemistry

20g of nitrogen gas and 10g of helium gas are placed together in a 5L container at 25C . Calculate the partial pressure of each gas and the total pressure of the gas mixture.

asked by NONO on November 20, 2011
37. ## College Chemistry

A mixture of He and O2 is placed in a 4.00L flask at 32 degrees Celsius. The partial pressure of the He is 2.7 atm and the partial pressure of the O2 is 1.4 atm. What is the mole fraction of O2?? I don't understand how to do this.

asked by Fernando on March 9, 2010
38. ## Chemistry 105

A heliox deep-sea diving mixture contains 2.0 g of oxygen to every 98.0 g of helium. What is the partial pressure of oxygen when this mixture is delivered at a total pressure of 9.3 atm?

asked by JULIE on October 23, 2011
39. ## 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?

asked by Aubrey on April 1, 2011
40. ## chem

What will be the final volume of a 425 mL sample of gas initially at 22 degrees C and 1 atm pressure when the temperature is changed to 30 degrees C and the pressure to 0.471 atm?

asked by mark on June 24, 2013
41. ## 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

asked by Lilstar on November 17, 2013
42. ## chemistry

what is the partial pressure of water in the air if the roomis 20 degrees Celsius the relative humidity is 52% and the patient needs to be maintained at a partial pressure of water of 12 torr?

asked by Danielle on February 16, 2011
43. ## Chemistry

A heliox deep-sea diving mixture contains 2.0 g of oxygen to every 98.0 g of helium.What is the partial pressure of oxygen when this mixture is delivered at a total pressure of 8.9atm ?

asked by Anonymous on March 20, 2014
44. ## Chemistry

A sample of nitrogen gas is collected over water at a temperature of 23 degrees C. What is the pressure of the nitrogen gas if the atmospheric pressure is 795 mm HG? Anser in units of mm Hg.

asked by Lisa on October 14, 2015
45. ## chem

At 119 degrees C, the pressure of a sample of nitrogen is 1.94 atm. What will the pressure be at 282 degrees C, assuming constant volume? Answer in units of atm

asked by luke on April 19, 2012
46. ## chemistry

A sample of air from the basement of a home is found to contain 8.3 ppm of radon. What is the partial pressure of radon in the basement if the total pressure is 755 torr?

asked by Anonymous on November 7, 2011
47. ## Physics

An ideal gas is squeezed slowly from state A (pressure-600 kPa, volume- 1 L) to B ( pressure-400kPa, volume- 0.5 L). What is the work done or received by the gas?

asked by Chris on March 27, 2010
48. ## science

The gas in a cylinder with a piston has a volume of 2.4 m3 and a pressure of 120 kpa/ keeping the tempture constant the pressure is changed to 240 kpa. what is the new volume?

asked by Trisha G. on October 3, 2013
49. ## 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?

asked by Aubrey on April 1, 2011
50. ## Physics

Helium is supplied in pressure tanks. If I have a 10 liter tank at 200 atmospheres of pressure, how many 3 liter balloons can I fill? (Assume the balloons are at one atmosphere)

asked by maggie on May 13, 2011
51. ## physics

At a point in a pipeline the velocity of liquid is 2 m/s and the pressure is 10^5 Pa. what is the pressure at a point 10 m lower than the first one (the cross-section is 1/4th of the previous one and the density of liquid is 800 kg/m^3)

asked by Anonymous on January 20, 2012
52. ## chemistry

A 0.0677 g sample of magnesium metal reacted with excess hydrochloric acid solution to produce 69.9 mL of hydrogen gas. The gas was collected over water at 21.0° C. The levels of water inside and outside the gas collecting tube are identical (meaning that

asked by Janaiby on July 8, 2013
53. ## Physics

If the pressure outside a window drops by 9.1%, while the pressure inside does not change, what is the force on the window? Assume that the area of the window is 2.3 m2.

asked by Megan on October 29, 2011
54. ## physics

Define STPD, ATPD, BTPS and list the values. I'm in college and our books haven't came in from the bookstore. I don't understand how the prof. is still making us do this HW. my younger brother told me I should try to get help from this site since it helped

asked by jamie on January 27, 2008
55. ## Physics

In a sound wave, we find a location and time when the density fluctuations are at a maximum. At this same location and time ... a) Pressure fluctuations and displacement are minimum. b) Pressure fluctuations and displacement are maximum. c) Pressure

asked by Brandy on May 19, 2011
56. ## Chemistry

Dear sir, madam, I am having a little problem with the solution my chemistry book gives on the following problem: We have a person whose body vitamine C concentration decays according to the following formula: 1500*0,974^t. Question A is no problem, but

asked by Tom on October 18, 2012
57. ## Science

1. Do you think there is very much practical chemistry in today's world? Can you give any examples? 2. When you use different materials, what are they most likely to be made from: Elements, compounds, or mixtures? Which of the three is most rare. please

asked by Alysha on October 5, 2012
58. ## chemistry

What are some applications of Nuclear Chemistry in Medicine? So far I've found - X-rays - Radioactive tracers - Gamma radiation can be used to treat cancer and other diseases

asked by william on March 12, 2008
59. ## Chemistry

sorry i will rephrase the question. what is the chemistry behind these elements to give them these qualities and make them react the way they do with like water and such. 1)magnesium 2)calcium 3)potassium 4)sodium

asked by Holfbrincl on October 7, 2016
60. ## chemistry

What is the chemistry behind the “Breathalyzer” test. I'm supposed to explain the chemicals and structures involved with the reactions which produce the positive and negative results

asked by annonymous on March 24, 2011
61. ## chemistry

(Re-posting because no one was answering chemistry questions) if you have 100mL of 0.1M acetic acid (ka = 1.8x10(-5)what is the pH after 10mL NaOH is added? I came up with an answer of 2.895, but i'm not sure if its right.

asked by Kevin on October 27, 2011
62. ## Chemistry

Could someone please direct me to a website that explains why acid-base titration is a useful technique in chemistry. Or offer your own opinions. Thanks ahead of time for any input!

asked by Jake on March 5, 2009
63. ## Chemistry

Use the data in Table 15.3 (in the book Chemistry after Raymond Chang) to calculate the equilibrium constant for the following reaction: HCOOH(aq) + OH-(aq)= HCOO-(aq) + H2O(l)

asked by Amber on October 19, 2011
64. ## Chemistry-Dr. Bob

Please help me in any way to relate the concepts of how heat, solutions,equillibrium, nuclear and organic chemistry are interrelated. I appreciate any direction or info you could provide, Dr. Bob Thank you

asked by Christine on June 2, 2010
65. ## AP Chemistry

Hey I have the AP Chem test coming up and i was wondering where I could find the answer key to some of the AP Chemistry tests like 1994, 1999, and 2002 MC and FR

asked by Corey on April 14, 2008
66. ## chem

I don't understand ehat is the chemistry behind the ASA – FeCl3 reaction? what is this question even asking? any response will do so plz help (Broken Link Removed)

asked by mel on May 5, 2007
67. ## physical chemistry

This question is about a lab called Heats of Ionic Reaction in my Physical Chemistry class. I need to know why there should be a large percentage error in deltaH4

asked by shelby on March 5, 2013
68. ## CHemistry

For the reaction 2 Na + 2 H2O -------> 2 NaOH + H2, how many grams of hydrogen gas are produced when 133.6 g of water are reacted? I am soooo confused in chemistry. Please help.

asked by Kalli Simpson on May 17, 2014
69. ## 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

asked by Shelby on December 6, 2013
70. ## physics

If you fill a container with air at room temperature (400 K), seal the container, and then heat the container to 500 K, what will the pressure be inside the container? Assume atmospheric pressure equal to 100,000 Pa.

asked by Em on October 14, 2013
71. ## Physics

An office window has dimensions 3.6 m by 2.5 m. As a result of the passage of a storm, the outside air pressure drops to 0.925 atm, but inside the pressure is held at 1.0 atm. What net force pushes out on the window?

asked by Megan on November 1, 2010
72. ## 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.

asked by Samantha on December 14, 2012
73. ## physics

A submarine dives down to a depth 9.5 beneath the surface of the ocean. Calculate the pressure in atmospheres at that depth, assuming the density of water is 1029 kg/m3, and the air pressure at the surface is 101.5 kPa

asked by jake on June 15, 2014
74. ## AP Chemistry

Each increase in pressure of 100 atm decreases the melting point of water by 1.0 degrees C. Estimate the temperature at which liquid water freezes under a pressure of 400 atm. How do I approach this problem?

asked by Thuy on October 27, 2010
75. ## physics

Water fills and flows through an expanding pipeline that is inclined upwards. On the centreline of the pipe, Point 1 is 0.3 m below point 2. The velocities are V1 = 3.4 m/s and V2 = 1.7 m/s. The pressure at point 1 is 9300 N/m 2 . What is the pressure at

asked by Aisling on May 8, 2012
76. ## Science

Stacy has .55kg water sample at 1 atm pressure and 40 degrees celsius. She heats it to 90 degrees Celsius, maintaining constant pressure. How much heat was absorbed by the solution during the course of this operation? (CP of H2O (l) = 4.18 J/g )

asked by Marketa on December 5, 2012
77. ## zca mpika

physics A rectangular open tank 6.0m × 8.0m is filled with water to a depth of 8.0m if the atmospheric pressure 1.013×10^pa.find the pressure at the bottom of the tank and force exerted at the bottom assume that g=10N/kg?

asked by tendai on November 5, 2015
78. ## Chemistry

The oxygen gas emitted from an aquatic plant during photosynthesis is collected over water at a temperature of 25 degrees Celcius and a total pressure of 752 torr. What is the partial pressure of the oxygen gas?

asked by JeNae on May 11, 2013
79. ## Chemistry

Determine the partial pressure of oxygen collected by water displacement if the water temperature is 20.0 ◦ C and the total pressure of the gases in the collection bottle is 760 torr. PH2O at 20.0 ◦ C is equal to 17.5 torr.

asked by Kaitlin on January 28, 2013
80. ## chem

a mixture of 0.156 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0L vessel at 500K, producing a mixture of CO amd CO2. The total pressure is 0.640 atm. what is partial pressure of CO?

asked by shery on March 5, 2012
81. ## phy

A popular brand of pressure washer claims to deliver 330 litres per hour of water at a pressure of 80 bar, drawing 1400 W of electrical power in the process. Pressure washers of this type consist of an electric motor that drives a small compressor to

asked by Fred on May 11, 2013
82. ## Physics

A block measuring 0.1m x 0.4m x 1.5m has a mass of 30kg. Calculate the pressure in each position and state in which position will the block produce greatest and least pressure on the ground.

asked by OHara on June 7, 2013
83. ## Science

The vapor pressure of water at 25 oC is 23.8 torr. Calculate the vapor pressure of a solution prepared by dissolving 35.0 g of urea [(NH2)2CO] in 75.0 g of water at 25 oC.

asked by Carlos on February 18, 2013
84. ## Earth Science

If atmospheric pressure is 30.40 inches of mercury, what is the air pressure in millibars? (1)1016 mb (2)1028.3 mb (3)1029 mb (4)1029.5 mb I think that the answer is either 2 or 4, could you check my answer?

asked by KaiCaster on December 10, 2015
85. ## chemistry

if i have 5.6 liters of gas in a piston ata pressure of 206 kPa and compress the gas until its volume is 4.8L, what will the new pressure inside the piston be? how do i that problem?

asked by bobby on March 11, 2012
86. ## Chemistry

At standard temperature and pressure (0∘C and 1.00atm), 1.00mol of an ideal gas occupies a volume of 22.4L. What volume would the same amount of gas occupy at the same pressure and 30∘C?

asked by Sally on October 19, 2017
87. ## Chemistry

A sample of xenon gas is collected over water at 31.1°C. The barometric pressure of the room is 989.7 mmHg. What was the pressure due to the xenon gas

asked by Anonymous on November 9, 2018
88. ## CHEMISTRY

The volume of a gas is 250 mL at 340.0 kPa pressure. What will the volume be when the pressure is reduced to 50.0 kPa, assuming the temperature remains constant?

asked by natasha on August 12, 2008
89. ## Chemistry

The volume of a gas is 250 mL at 340.0 kPa pressure. What will the volume be when the pressure is reduced to 50.0 kPa, assuming the temperature remains constant?

asked by George on May 7, 2012
90. ## Chemistry

A sample of methane gas at room temperature has a pressure of 1.50 atm and a volumne of 10.5 L. If the temperature is kept constant, what will be the new volume if the pressure is increased to 2.00 atm?

asked by Mary on June 4, 2012
91. ## mueller

You know that a gas in a sealed container has a pressure of 111 kPa at 23 degrees Celsius. What will the pressure be if the temperature rises to 475 degrees Celsius?

asked by victoria on February 17, 2014
92. ## science

A rigid container holds a gas at a pressure of 55kPa and a temp of -100.0 deg C. What will the pressure be when the temp is increased to 200.0 deg C?

asked by Anonymous on February 21, 2012
93. ## chemistry

the volume of a gas is 250 mL at 350 kPa pressure. what will the volume be when the pressure is reduced to 50 kPa, assuming the temperature remains constant?

asked by jose on May 30, 2012
94. ## chemistry

The volume of a gas is 250 mL at 340.0 kPa pressure. What will the volume be when the pressure is reduced to 50.0 kPa, assuming the temperature remains constant?

asked by kayla on August 4, 2008
95. ## physics

A rigid tank contains 38:0 kg of O2 gas at a pressure of 9:70 atm. If the oxygen is replaced by helium, how many kilogram of helium will be needed to produce a pressure of 8:00 atm?

asked by miya on May 20, 2013
96. ## Chemistry

At a temperature of 30.°C, a gas inside a 1.50 L metal canister has a pressure of 760 torr. If the temperature is increased to 55°C (at constant volume), what is the new pressure of the gas?

asked by Kyle2 on February 21, 2012
97. ## Chemistry

A sample of nitrogen gas is collected over water at a temperature of 23°C. What is the pressure of the nitrogen gas if the atmospheric pressure is 791 mm Hg? Answer in units of mm Hg

asked by Peter on January 30, 2013
98. ## chem

a sample of gas has a volume of 500 ml at a pressure of 640torr. that volume in liters will the gas occupy at 1.00 atm pressure and constant temperature

asked by SHORNORA on February 16, 2018
99. ## chemistry

A 12.8 L sample of Ne gas initially has a temperature of 32.7oC at a pressure of 2.57 atm. What is the new pressure, in atm, if the volume is changed to 10.6 L and the temperature is decreased to 13.9oC?

asked by Mindy on July 29, 2015
100. ## chemistry

a racing tire has a pressure of 148 kPa at 19 degrees Celcius. What willthe pressure be at 42 degrees Celcius, assuming the volume remains the same?

asked by jessica on January 24, 2013