1. Chemistry

    Some is released if the temperature is increased. Some O2 is always entering and leaving solution at the same time. You end up with an equilibrium between the two processes.

    asked by drwls on June 21, 2005
  2. chem

    The radiator in your car uses either water or ethylene glycol (anti-freeze) to remove heat from the engine and dissipate it to the outside air. If the water recirculation rate is 17.0 kg per minute of water and the water temperature leaving the engine and

    asked by danny on January 27, 2015
  3. chemistry

    The radiator in your car uses either water or ethylene glycol (anti-freeze) to remove heat from the engine and dissipate it to the outside air. If the water recirculation rate is 17.0 kg per minute of water and the water temperature leaving the engine and

    asked by danny on January 31, 2015
  4. chemistry- Thank you

    Suppose you add 81 ml of dilute acid to 54 ml of water. Both the water and acid were at room temperature (22 C) before being mixed. The temperature of the solution increased to 42 C. How much energy (in kJ) was released by the dissolution of the acid if

    asked by Jazmin on October 17, 2010
  5. chemistry

    Suppose you add 92 ml of dilute acid to 46 ml of water. Both the water and acid were at room temperature (22 C) before being mixed. The temperature of the solution increased to 39 C. How much energy (in kJ) was released by the dissolution of the acid if

    asked by danny on January 31, 2015
  6. biology

    After the blood in is the left heart you would next find it (a)entering the lungs. (b)entering the tissues, like muscles. (c)entering the right heart. (d)leaving the lungs. (e)leaving the tissues, like the muscles. Please help

    asked by madison on September 27, 2016
  7. urgent mc biology

    After the blood in is the left heart you would next find it (a)entering the lungs. (b)entering the tissues, like muscles. (c)entering the right heart. (d)leaving the lungs. (e)leaving the tissues, like the muscles. Please help

    asked by madison on September 28, 2016
  8. Fluid Mechanics

    Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity profiles are uniform, estimate the force which must be applied to the reducer to hold it in place. When Fluid is entering the

    asked by Katy on September 19, 2013
  9. Fluid Mechanics

    Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity profiles are uniform, estimate the force which must be applied to the reducer to hold it in place. When Fluid is entering the

    asked by Katy on September 19, 2013
  10. Fluid Mechanics

    Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity profiles are uniform, estimate the force which must be applied to the reducer to hold it in place. When Fluid is entering the

    asked by Katy on September 18, 2013
  11. Fluid Mechanics

    Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity profiles are uniform, estimate the force which must be applied to the reducer to hold it in place. When Fluid is entering the

    asked by Katy on September 17, 2013
  12. Fluid Mechanics

    Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity profiles are uniform, estimate the force which must be applied to the reducer to hold it in place. When Fluid is entering the

    asked by Katy on September 18, 2013
  13. Fluid Mechanics

    Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity profiles are uniform, estimate the force which must be applied to the reducer to hold it in place. When Fluid is entering the

    asked by Katy on September 20, 2013
  14. Fluid Mechanics

    Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity profiles are uniform, estimate the force which must be applied to the reducer to hold it in place. When Fluid is entering the

    asked by Katy on September 22, 2013
  15. Fluid Mechanics

    Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity profiles are uniform, estimate the force which must be applied to the reducer to hold it in place. When Fluid is entering the

    asked by Katy on September 17, 2013
  16. Fluid Mechanics

    Oil (sp. gr.= 0.8) flows smoothly through the circular reducing section shown at 3 ft^3/s. If the entering and leaving velocity profiles are uniform, estimate the force which must be applied to the reducer to hold it in place. When Fluid is entering the

    asked by mary on September 30, 2014
  17. chemistry

    A student mixed 75.0 mL of water containing 0.75 mol HCl at 25�C with 75.0 mL of water containing 0.75 mol of NaOH at 25�C in a foam cup calorimeter. The temperature of the resulting solution increased to 35�C. How much heat in kilojoules was

    asked by Alexis on February 7, 2012
  18. Chemistry

    A student mixed 75.0 mL of water containing 0.75 mol HCI at 25* C with 75.0 mL of water containing 0.75 mol of NaOH at 25*C in a foam cup calorimeter. The temperature of the resulting solution increased to 35*C. How much heat in kilojoules was released by

    asked by Tarra on April 27, 2011
  19. Chemistry

    A 0.60 L portion of a 1.2 M AgNO3 solution is mixed with a 0.3 L potion of a 1.2 M Na2CrO4 solution in an constant pressure calorimeter. Upon mixing, the solid Ag2CrO4 is formed and the heart released is 48.2 kJ. The specific heat of the solution is 4.18

    asked by Kyo on June 9, 2010
  20. Water Chemistry

    Can someone explain what it is meant for a solution to be supersaturated with respect to calcite? and then what is meant for a solution to be in equilibrium with calcite? Many Thanks A supersaturated solution contains more solute than is normally soluble.

    asked by Mary on May 1, 2007
  21. bi

    In an action potential, what ions are entering or leaving the cell during each of its phases.

    asked by yo on October 30, 2006
  22. Chemistry

    Describe what happens to a co2 sample when the following changes are made: (a) The temperature is increased from -100°c to 0°c at constant pressure of 2 atm B) The pressure is reduced from 72 atm to 5.0 atm at a constant temperature of 30°c C) The

    asked by Shemiza on November 9, 2014
  23. Chemistry

    For the equilibrium system below, which of the following would decrease the concentration of 𝑃𝐶𝑙3(𝑔)? 𝑃𝐶𝑙3(𝑔) + 𝐶𝑙2(𝑔) ↔ 𝑃𝐶𝑙5(𝑔) + 45𝑘𝐽 a. Increased temperature b. Decreased pressure c. Increased

    asked by Help:( on June 4, 2016
  24. chemistry

    The temperature of a dilute 0.847 M solution of NaBr was increased from 25 degrees Celcius to 40 degrees Celcius. What effect did this temperature change have on the molarity of the NaBr solution?

    asked by bob on January 3, 2013
  25. chemistry

    The cost on the shipping of chemicals is dependent upon the weight of cargo upon loading. You have a choice of purchasing 9,000 gallons of ethanol from Florida or Minnesota. The temperature of the cargo leaving Minnesota is 15.0oC while the temperature of

    asked by Mitchell on October 6, 2009
  26. Physics(12th grade)

    When the temperature of a gas in a vessel is increased by 1C then the pressure is increased by 0.5%. what will be its initial temperature?

    asked by Tulika on April 9, 2012
  27. chemistry

    2. 50.0 mL of 1 M NaOH(aq) and 50.0 mL of 1 M HNO3(aq), both initially at 18.6°C, were mixed in a Styrofoam cup calorimeter. The temperature of the solution rose to 25.4°C. How much heat was released? Assume that the heat capacity and density of the

    asked by punch on January 24, 2017
  28. chemistry

    2. 50.0 mL of 1 M NaOH(aq) and 50.0 mL of 1 M HNO3(aq), both initially at 18.6°C, were mixed in a Styrofoam cup calorimeter. The temperature of the solution rose to 25.4°C. How much heat was released? Assume that the heat capacity and density of the

    asked by owen on January 24, 2017
  29. chemistry

    You have prepared a saturated solution of at 20 using 31.0 of water. How much more solute can be dissolved if the temperature is increased to 30?

    asked by Anonymous on March 31, 2011
  30. Chemistry 1

    A dilute solution of hydrochloric acid with a mass of 614.86 g and containing 0.33004 mol of HCl was exactly neutralized in a calorimeter by the sodium hydroxide in 619.41 g of a comparably dilute solution. The temperature increased from 15.529 to

    asked by Sarah on July 1, 2014
  31. sosial studies

    When 1.0 L solution Ba (NO3) 2 2.0 M at 25oC is mixed with 1.0 L solution of 2.0 M Na2SO4 in a calorimeter, the reaction that occurs to produce solid barium sulfate and temperature of the mixture increased to 28.1 oC. Calculate the enthalpy change per mole

    asked by Norsiah on November 20, 2013
  32. chemistry

    In general, reaction rates double when the temperature is increased by 10ºC. The temperature of a reaction is increased by 40ºC. The rate of the reaction will increase by a factor of ____? is it 16?

    asked by tycoon on January 9, 2011
  33. reaction rate help

    In general, reaction rates double when the temperature is increased by 10ºC. The temperature of a reaction is increased by 40ºC. The rate of the reaction will increase by a factor of ____? is it 16?

    asked by tycoon on January 9, 2011
  34. Math

    At 6:00 A.M. the temperature was 33°F. By noon the temperature had increased by 10°F and by 3:00 P.M. it had increased another 12°F. If at 10:00 P.M. the temperature had decreased by 15°F, how much does the temperature need to rise or fall to return to

    asked by Anonymous on February 20, 2018
  35. chemistry

    a 2.00g sample of zinc metal is added to a calorimeter containing 150g of nitric acid solution initially at 20.0 degrees celsius . The temperature of the solution increased to 28.0 degrees celsius . Calculate the delta H of the reaction assuming that the

    asked by sami on June 20, 2015
  36. Math

    A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the highest temperature was 10.4°C and the lowest temperature was 7.6°C. Write an absolute value equation that can be used to

    asked by Alex on January 11, 2015
  37. Math

    A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the highest temperature was 10.4°C and the lowest temperature was 7.6°C. Write an absolute value equation that can be used to

    asked by Alex on January 6, 2015
  38. Math

    A scientist is monitoring the temperature of a holding tank containing fish to be released into a river. In one 12-h period, the highest temperature was 10.4°C and the lowest temperature was 7.6°C. Write an absolute value equation that can be used to

    asked by Alex on January 12, 2015
  39. MEC

    When 25.0 mL of 1.00 M HCl (0.025 mol)is mixed with exactly 25.0 mL of NaOH (0.025 mol) in a calorimeter, the temperature of the solution increased from 25.00 °C to 27.30 °C. (a) Is the reaction exothermic or endothermic? (b) If the specific heat of the

    asked by Jessica jean on December 9, 2015
  40. 3 grade math

    1- at 12 noon, leslie recorded the temperature as 56F. the temperature had increased by 8F from 10 A.M. the temperature at 8 A.M. was 2F warmer than it was at 10 A.M. what was the temperature at 8 A.M? MY Son write the answer is - 62F 2- the temperature at

    asked by dk on February 29, 2012
  41. Physics

    The same amount of heat entering identical masses of different substances produces different temperature changes. Calculate the final temperature when 1.50 kcal of heat enters 1.25 kg of the following, originally at 22.5°C.

    asked by Nina on November 26, 2014
  42. Chemistry

    In a coffee cup calorimeter, 50.00 mL of HNO3 (aq) and 50.00 mL of KOH(aq) were mixed. The temperature of the resultant solution increased 6.5 C. What is the Delta H of this reaction?

    asked by Jaime on April 8, 2012
  43. physic

    If there are fewer electric field lines leaving a Gaussian surface than there are entering the surface, what can you conclude about the net charge enclosed by that surface?

    asked by boluner on February 5, 2014
  44. physics

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

    asked by Kelsey on April 25, 2010
  45. algebra check

    at 7a.m. the temperature was -15degree F by 1 p.m the temperature had increased by 18degrees F what was the temperature at 1 pm? -15+18=3 answer:3degree F Looks good to me.

    asked by sara on March 11, 2007
  46. physics

    The same amount of heat entering identical masses of different substances produces different temperature changes. Calculate the final temperature when 1.25 kcal of heat enters 1.25 kg of the following, originally at 20.0°C. (a) water (b) concrete (c)

    asked by Eric on July 19, 2013
  47. Math

    The temperature increased 2° per hour. If the temperature rose 15°, how many hours had the temperature been rising?

    asked by Nikko on March 12, 2017
  48. Chemistry

    3. 25.0 mL of a 0.50 M solution of acid HA was combined with 25.0 mL of a 0.50 solution of base MOH in a calorimeter with a calorimeter constant of 13.5 J/ C. The initial temperature of the solution was 23.3 C and the maximum temperature was 34.7 C. The

    asked by Kim on April 16, 2013
  49. Chemistry

    The enthalpy of solution is the amount of energy absorbed or released when a solute is dissolved in a solvent. Suppose a 650 g ‘cold pack’ drops in temperature from 24 Celsius to -15 Celsius when its constituents mix. Assuming the specific heat of this

    asked by Bobby on May 1, 2019
  50. liver!

    After a meal, blood entering the liver has higher levels of what substance than the blood leaving the liver? A.

    asked by adam on August 4, 2006
  51. physics(URGENT!!!!!)

    A source of sound emits waves at a frequency f= 650 Hz. An observer is located at a distance d= 170 m from the source. Use u=340 m/s for the speed of sound. (a) Assume completely still air. How many wavefronts (full waves) N are there between the source

    asked by Anonimus on December 8, 2013
  52. Math

    1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *my answer

    asked by Anonymous on September 16, 2014
  53. Chemistry

    Back again with another problem :) How do you calculate the enthalpy change, in kJ/mol for the reaction of copper(II) sulfate? 0.0210 mol of copper sulfate was added to 25 cm3 of water. The temperature increased by 14°C. The specific heat capacity of

    asked by Autumn on October 24, 2017
  54. Math

    The temperature on Monday was 14°C. On Tuesday the temperature decreased by 5°. On Wednesday the temperature decreased another 10°. On Tuesday the temperature increased by 8°. What was the temperature at the end of the day on Thursday.

    asked by Krystal on October 18, 2017
  55. physics

    A mass m = 73 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius R = 17.9 m and finally a flat straight section at the same height as the center of the loop (17.9 m off the ground). Since the mass would not make it

    asked by a on October 11, 2011
  56. physicssss

    A mass m = 73 kg slides on a frictionless track that has a drop, followed by a loop-the-loop with radius R = 17.9 m and finally a flat straight section at the same height as the center of the loop (17.9 m off the ground). Since the mass would not make it

    asked by aaa on October 8, 2011
  57. Analytical chemistry

    A 25.0-mL solution of 0.0660 M EDTA was added to a 33.0-mL sample containing an unknown concentration of V3 . All V3 present formed a complex, leaving excess EDTA in solution. This solution was back-titrated with a 0.0450 M Ga3 solution until all the EDTA

    asked by Ashley on April 4, 2013
  58. Physics HELP

    When the pressure P of a fixed mass of gas is inversely proportional to its volume V at constant temperature. (Where mass and temperature are constant) When volume is increased, the distance between the walls of the container is ?. This causes the average

    asked by Timu on June 5, 2016
  59. Criminal justice

    The crime of burglary, in most state statutes, is best described as: A. entering the dwelling of another in the nighttime with the intent to commit a felony. B. entering the dwelling of another without the consent of the person in possession. C. entering a

    asked by Amy on November 21, 2013
  60. Math

    In Buffalo, New York, the temperature was 14°F in the morning. If the temperature increased 8°F, what is the temperature now?

    asked by Anonymous on October 14, 2016
  61. Math

    In Buffalo, New York, the temperature was 14°F in the morning. If the temperature increased 8°F, what is the temperature now?

    asked by Anonymous on October 14, 2016
  62. Math (Ms. Sue! Anyone!)

    1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *confused

    asked by Anonymous on September 15, 2014
  63. math

    1)At 1 p.m., Lin records an outside temperature of –14.8°F. At 3 p.m... she records the outside temperature and notices the temperature had increased by 22.6 degrees. What was the temperature that she recorded at 3 p.m.? ( no multiple choice) *confused

    asked by Anonymous on September 15, 2014
  64. physics

    Suppose you pour 0.310 kg of 20.0°C water into a 0.600 kg aluminum pan off the stove with a temperature of 167°C. Assume that the pan is placed on an insulated pad. What would be the final temperature (in °C) of the pan and water if 0.0300 kg of the

    asked by Kloe on June 24, 2018
  65. Physics

    To help prevent frost damage, fruit growers sometimes protect their crop by spraying it with water when overnight temperatures are expected to go below the freezing mark. When the water turns to ice during the night, heat is released into the plants,

    asked by Anonymous on December 11, 2012
  66. Calculus Help Please!!!

    When a cold drink is taken from a refrigerator, its temperature is 5°C. After 25 minutes in a 20°C room its temperature has increased to 10°C. (Round the answers to two decimal place.) (a) What is the temperature of the drink after 60 minutes? (b) When

    asked by Tenshi on April 2, 2014
  67. wRITINg

    This experience has been more than fulfilling; it has shown me the road to something greater than responsibility, time management and responsibility. Children are the future and we impact the hope of the future today by our showing the many qualities that

    asked by Rica on October 22, 2011
  68. science

    which of the following is a physical change? Milk becomes sour An iron nails rusts All the water in a solution of salt water evaporates leaving a lot of crystals of salt in the bottom of the dish A wooden log is burned leaving ash in the fireplace

    asked by Mary on March 5, 2012
  69. Chemistry

    Sort each of the following events based on whether the solubility of the indicated gas will increase, decrease, or stay the same. Each phrase specifies the gas involved and the change in its environment. 1. The temperature is increased 2.the partial

    asked by Anon on January 23, 2013
  70. Chemistry 12

    4. a. Using Le Chatelier's principle, what effect will an increase of temperature have on the following system? H2O(l) + 57 kJ ↔ H+(aq) + OH-(aq) b. What is the expression for the constant for this reaction? c. What effect will an increase in temperature

    asked by Sareena on May 22, 2011
  71. Science

    Four students dissolved 30g of salt in a 200ml solution of water.Each student heated his or her water solution to a different temperature ( Marcus had 10 and tyra had 25 Luis had 50 and Andrew had 75) which student most likely had the solution with the

    asked by Kate on November 8, 2016
  72. physics

    The pressure in the room also increased when the temperature increased, because pressure is ___________ to temperature.

    asked by maya on June 11, 2015
  73. Physics

    The pressure in the room also increased when the temperature increased, because pressure is ___________ to temperature.

    asked by Anonymous on September 10, 2015
  74. science

    What would happen if blood entering the heart mixed with blood leaving the heart?

    asked by brandon on October 27, 2011
  75. Science

    What do you think would happen blood entering the heart mixed with blood leaving the heart?

    asked by Anonymous on July 11, 2019
  76. Science

    Would do you think would happen if blood entering the heart mixed with blood leaving the heart.

    asked by Minahil. on August 14, 2017
  77. science

    what happen if blood entering the heart mixed with blood leaving the heart?

    asked by Ayesha on May 12, 2014
  78. chemistry

    A solution is made at room temperature containing 90 g of NaCl and 200 g of water. It is brought to a temperature of 50°C. What are you most likely to see? (Select all that apply.) A. a solution with a few crystals at the bottom B. all the solid dissolve

    asked by KSLE on September 13, 2010
  79. science

    On a hot day a friend suggest that you can make your kitchen cooler by leaving the refrigerator door open. Explain whether leaving the refrigerator door open would cause the air temperature in the kitchen to decrease.

    asked by Mary on November 10, 2014
  80. Chemistry

    At a certain temperature, the solubility of gas in water at 2.04 is 48.0 . Calculate the solubility of gas in water, at the same temperature, if the partial pressure of gas over the solution is increased from 2.04 to 6.00 .

    asked by Sam on February 8, 2013
  81. Chemistry

    When 3.926g of NaOH is added to 100.0mL of water, the temperature of the solution increases by 28 degrees Celsius. Assume the density of the solution to be 1g/mL and specific heat capacity of the solution to be 4.184 J/gK. I'm unsure of which formula to

    asked by Ashley on May 23, 2017
  82. Physics

    The velocity of sound in air is about 330m/s, and in water is about 1700m/s. Calculate the critical angle for sound leaving air and entering water.

    asked by Robert on April 19, 2018
  83. Chemistry

    Consider this system at equilibrium. A(aq) B(aq) Delta H = +750 kJ/mol .. What can be said about Q and K immediately after an increase in temperature? a] Q > K because Q increased.. b] Q>K because K decreased.. c] Q

    asked by Tracy on March 5, 2012
  84. Chemistry 3A

    An aqueous solution contains the ions B, C, and D that are in equilibrium with one another according to the reaction B (aq) + C (aq) ->/

    asked by Sarah on July 21, 2013
  85. Science

    I need help understanding this. I keep re-reading and I'm still confused. Can you help me by re writing it in a way that I can understand? The pressure law states that for a constant volume of gas in a sealed container the temperature of the gas is

    asked by Learner on September 24, 2015
  86. Chemistry

    A canister holds a gas at 16.3 psi when the temperature is 15˚C. To what will the pressure change when the temperature is increased to 20˚C? *

    asked by Dc on April 17, 2013
  87. mathematics1

    what will the total increase in temperature be after 7 minutes? after 4minutes the temperature has increased by 24 degrees.

    asked by karloz on September 3, 2014
  88. Physics

    A vessel contains 10 kg of water and an unknown mass of ice at 0°C. The temperature of the vessel is monitored for 60 minutes. During the first 50 minutes, the temperature remains at 0°C. For the next 10 minutes, the temp steadily increases from 0°C to

    asked by Megan on December 8, 2011
  89. Physcial science

    If the temperature of a gas is increased, its volume is a) reduced by half b) reduced by one fourth c) doubled d) increased Look up Charles' Law.

    asked by daphne on June 22, 2007
  90. Chemistry-Dr.Bob, I need you!!!!

    You can mix 100.mL of 1.0 M HCl with 100 mL of 1.0 NaOH, both at 25 degree Celcius. The temperature of your calorimeter rises by 5.98 degree C, and its heat capacity is 100 J/degre C. How much energy is released per mol of H2O formed? My answer: 6x10^6 J

    asked by Sanaya on January 8, 2016
  91. Science

    What would happen if the temperature of the Tundra increased? Like to the temperature of North America. I seriously have no idea besides the animals and plants might die. Help!?

    asked by Sam on April 6, 2009
  92. Science 207

    3. How would the “weather” be affected if the water was at a decreased temperature? What about at an increased temperature?

    asked by Anonymous on May 26, 2014
  93. Math

    by 3 pm the temperature had increased by another 5 degrees. was the temperature at 3pm positive or negative

    asked by Anna on September 9, 2015
  94. SCI 207

    3. How would the “weather” be affected if the water was at a decreased temperature? What about at an increased temperature?

    asked by Linda on June 1, 2014
  95. Chemistry

    Suppose 55.3 L of a gas is at a temperature of -73. °C. If its temperature is increased to 411. °C, what will its volume be then?

    asked by Anna on November 1, 2014
  96. Chemistry

    2 NO + O2 --> 2 NO2 The reaction rate is increased five­fold when the temperature is increased from 1400 K to 1500 K. What is the activation energy for the reaction? I have no idea how to do this and would greatly appreciate some urgent help!

    asked by Neha on November 16, 2011
  97. 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

    asked by Chelsey on February 26, 2014
  98. chem

    For the gaseous equilibrium represented below, it is observed that greater amounts of PCl3 and Cl2 are produced as the temperature is increased. PCl5(g) PCl3(g) + Cl2(g) a) What is the sign of S° for the reaction? Explain. b) What change, if any, will

    asked by Luke on April 29, 2008
  99. chemistry

    what volume would a gas occupy, if you had a 37.L cyliner that was 45 atm and temperature of 18C was released to the atmosphere (P=760.mm Hg) which had a temperature of 37C? Can you show me how to set this up?

    asked by dominique on October 16, 2011
  100. Math

    Problem Solving: Work Backward At 12 noon, Leslie recorded the temperature as 56 degree Fahrenheit. The temperature had increased by 8 degree Fahrenheit from 10 a.m. The temperature at 8 a.m. was 2 degree Fahrenheit warmer than it was at 10 a.m. What was

    asked by Ann on May 2, 2013

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