1. Pre-Algebra/Math8

    whats the answer to this question:in a city, the record monthly temperature for july is 88°F. the record monthly low temperature is 30 °F. what is the range of temperatures for july?

    asked by acm on September 2, 2015
  2. Chemistry

    At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3. H2(g)+I2(g) 2HI(g) At this temperature, 0.300 mol of H2 and 0.300 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at equilibrium?

    asked by Anonymous on March 25, 2013
  3. english

    can someone please help me find the story, "The Tale of Sir Launcelot du Lake" on the internet by giving me a link. from Le Morte Darthur Sir Thomas Malory retold by Keith Baines. it starts with " When King Arthur returned from Rome..." and ends with "My

    asked by y912f on July 6, 2009
  4. Science Help PLEASE!!

    1. What happens to the levels of surface water and groundwater during a drought? Surface water and groundwater levels increase during drought. Surface water and groundwater levels decrease during drought. There is no change in the levels of surface water

    asked by Ally on March 11, 2014
  5. Science Help PLEASE!! FAST

    1. What happens to the levels of surface water and groundwater during a drought? Surface water and groundwater levels increase during drought. Surface water and groundwater levels decrease during drought. There is no change in the levels of surface water

    asked by Denna on April 8, 2014
  6. Science

    The Air temperature is -2 degrees Celsius (28 degrees Fahrenheit) . Which statement correctly describes what happens to snow at this temperature? A. Snow Starts to melt. B. Snow remains frozen C. Snow changes to steam D. Snow melts and then freezes again

    asked by Anonymouse on March 16, 2018
  7. Chemistry

    So the answer is c,correct? The density of copper decreases as temperature increases. Which statement accurately describes the changes in a sample of copper when it is warmed from room temperature to 95 degree Celcius. a. The sample will become lighter. b.

    asked by Anonymous on September 4, 2015
  8. AP CHEMISTRY

    The molar mass of an unknown organic liquid (M~100) is determined by placing 5 mL of the liquid in a weighed 125-mL conical flask fitted with a piece of Al foil with a pin hole in it. The flask is heated in a boiling water bath until the liquid evaporates

    asked by Someone on April 1, 2013
  9. Physics

    Pepe and Alfredo are resting on an offshore raft after a swim. They estimate that 3m separates a trough and an adjacent crest of surface waves on the lake. They count 14 crests that pass by the raft in 20 seconds. Calculate how fast the waves are moving.

    asked by Zoey on March 7, 2017
  10. Physics

    A group of swimmers is resting in the sun on an off shore raft. They estimate that 2.9 meters separates a trough and an adjacent crest of surface waves on the lake. In addition, they count 12 crests that pass by the raft in 16 seconds. What is the Period

    asked by Anonymous on March 11, 2014
  11. physics

    A large container is separated into two halves by a 2.0 cm thick glass divider. The area of the divider is 0.25 m^2 and the thermal conductivity of glass is 0.90W/m•K. Each side is filled with 30 kg of water, specific heat 4180 J/kg•K, at different

    asked by sand on May 15, 2012
  12. Chemistry

    3) You pour 240 mL of Coke into a glass, where the T of the beverage is at 10.5 *C. You then add one ice cube of 45g. Determine the final temperature and the amount of ice remaining, if any. So I know that there won't be any more ice left because they will

    asked by Robert on May 9, 2012
  13. physics

    A large container is separated into two halves by a 2.0 cm thick glass divider. The area of the divider is 0.25 m^2 and the thermal conductivity of glass is 0.90W/m•K. Each side is filled with 30 kg of water, specific heat 4180 J/kg•K, at different

    asked by sand on May 15, 2012
  14. physics

    A large container is separated into two halves by a 2.0 cm thick glass divider. The area of the divider is 0.25 m^2 and the thermal conductivity of glass is 0.90W/m•K. Each side is filled with 30 kg of water, specific heat 4180 J/kg•K, at different

    asked by sand on May 16, 2012
  15. Chemistry

    In a coffee cup calorimeter, 1.60 g of NH4NO3 is mixed with 75.0 g water at an initial temperature of 23.50 ºC. When the salt was completely dissolved, the solution temperature of the calorimeter became 21.80 ºC. Assume the solution’s specific heat

    asked by Eddie on March 10, 2014
  16. Chemistry

    At room temperature (25 °C), the gas ClNO is impure because it decomposes slightly according to the equation 2ClNO(g) Cl2(g) + 2NO(g) The extent of decomposition is about 4%. Based upon this, what is the approximate value of ΔG°298 for the reaction at

    asked by Jane on April 12, 2015
  17. physical

    Steel rails for a train track are laid in a region subject to extremes of temperature. The distance from one juncture to the next is 4.41 m, and the cross-sectional area of the rails is 60 cm2. If the rails touch each other without buckling at the maximum

    asked by itufizik on July 23, 2012
  18. physics

    please show me a simple formula to solve this find the final equilibirum temperature when 10.0 g of milk at 10.0degC is added to 1.60 * 10^2 g of coffee with a temperature of 90.0degC. assume the specific heats of coffee and milk are the same as for water

    asked by Bella on February 22, 2009
  19. Physics

    A lead ball, with an initial temperature of 25.0oC, is released from a height of 119.0 m. It does not bounce when it hits a hard surface. Assume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball after it

    asked by Olivia on December 15, 2011
  20. Physics

    A lead ball, with an initial temperature of 25.0oC, is released from a height of 119.0 m. It does not bounce when it hits a hard surface. Assume all the energy of the fall goes into heating the lead. Find the temperature (in degrees C) of the ball after it

    asked by Olivia on December 15, 2011
  21. chem

    (b) (4 pts.) Suppose it is a hot summer day (40.0 degrees C = 104.0 degrees F), and you have left a can of hairspray outside so the gas within it is now at the same temperature of its surroundings. As part of your chemistry lab class, you have to build a

    asked by Anonymous on March 23, 2013
  22. Math

    I am trying to help my son in Algebra, the only thing is that I have forgot some of these thing.He has a word problem I can not figure it out please help a mother help her 9th grader. Q- The polygons below are similar. Find the unknown side lengths if

    asked by Mary on November 13, 2007
  23. math

    Suppose the daily high temperature in a town is 3 degrees above average one day, then 5 degrees below average the next day, then 2 degrees above average, then 1 degree below average, then 6 degrees above average, then equal to the average the next day.

    asked by Julie on May 4, 2016
  24. pre algebra

    Henry and Wayne operate a charter flying service out of Breckenridge, which sits at 9,600 feet above sea level. Henry has two flights scheduled for the day. He is taking a couple from Breckenridge to Hamilton with a drop of 35% in elevation. At Hamilton,

    asked by Aalaiyah on March 1, 2016
  25. Physics Classical Mechanics Help ASAP

    In the lecture, we discussed the case of an isothermal atmosphere where the temperature is assumed to be constant. In reality, however, the temperature in the Earth's atmosphere is not uniform and can vary strongly and in a non-linear way, especially at

    asked by Anonymous on January 10, 2014
  26. PHYSICS

    n the lecture, we discussed the case of an isothermal atmosphere where the temperature is assumed to be constant. In reality, however, the temperature in the Earth's atmosphere is not uniform and can vary strongly and in a non-linear way, especially at

    asked by Anonymous on January 13, 2014
  27. PHYSICS(HELP)

    In the lecture, we discussed the case of an isothermal atmosphere where the temperature is assumed to be constant. In reality, however, the temperature in the Earth's atmosphere is not uniform and can vary strongly and in a non-linear way, especially at

    asked by Anonimus on January 12, 2014
  28. history

    here's what i got for that question: question:compare the colonial empires of Spain, France and England in terms of their settlements, economic structure and political control. answer: The Spanish Empire was one of the largest empires in world history.

    asked by history on March 27, 2009
  29. chem

    A 28.9 g sample of ethylene glycol, a car radiator coolant, loses 689 J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.42 J/gK)?

    asked by Anonymous on October 18, 2013
  30. chemestry

    27.2 g sample of ethylene glycol, a car radiator coolant, loses 685 J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.42 J/gK)?

    asked by mara on October 23, 2015
  31. Chemistry

    A 26.7 g sample of ethylene glycol, a car radiator coolant, loses 668 J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.42 J/gK)?

    asked by Brittany on October 20, 2010
  32. Chemistry

    A 26.7 g sample of ethylene glycol, a car radiator coolant, loses 668 J of heat. What was the initial temperature of ethylene glycol if the final temperature is 32.5°C (c of ethylene glycol = 2.42 J/gK)?

    asked by Brittany on October 19, 2010
  33. fundamentals of math

    By holding a ruler 3 feet in front of her eyes as illustrated in the diagram, Carla sees that the top and bottom points of a vertical cliff face line up with marks separated by 3.5" on the ruler. According to the map, Carla is about a half mile from the

    asked by Anonymous on August 6, 2016
  34. Business

    1. Consider the factors from the situational leadership theory outlined in Figure 12.4. Apply these factors to Jacobs and Windber. 2. How do you think Jacobs would score on the least-preferred-co-worker (LPC) scale? Why? 3. Based on the success of Windber,

    asked by Anonymous on July 11, 2011
  35. Trig

    A 24-foot ladder is placed against a building. The building is perpendicular to the level ground so that the base of the ladder is 11 feet away from the base of the building. How far up the building, in feet, does the ladder reach? Round to nearest

    asked by Joseph on May 19, 2014
  36. Math

    A 40lb child sits at one end of a teeter-totter-totter which is 12 feet long and has the fulcrum in the center. How many feet from the fulcrum should a 60 lb child sit so the teeter-totter will balance?

    asked by Maya on August 20, 2015
  37. Algebra

    A rectangular-shaped dance floor has a perimeter of 164 feet. If the floor were 44 feet wider, its width would equal its length. Find the length and width of the dance floor.

    asked by Raquel on July 7, 2016
  38. Math

    phyllis wants to fence in a rectangular garden with maximum area. she has 22 feet of fence. all the lengths of the sides of her garden must be whole numbers of feet. what is the best choice available to phyllis for the side lengths of her garden? Why?

    asked by Shohanur on May 9, 2015
  39. math

    a circular tablecloth has a radius of 2.5 feet. kyle is sewing a piece of ribbon around the edge of the tablecloth. if kyle has exactly enough ribbon, which measurement is closest to the length of the piece of ribbon in feet? a. 19.63 ft b. 15.7 ft c. 7.85

    asked by lily on March 28, 2019
  40. math

    You want to install kitchen floor tiles that each measure 12 inches by 12 inches (1 sq. foot). Your kitchen measures 12 feet by 14 feet, but there is a 2 foot by 4 foot area around the sink that will not be tiled. How many tiles do you need?

    asked by Anonymous on October 7, 2008
  41. Algebra

    kyle drops a ball from a height of 15 feet above the ground. The function h = -16 f2 +15 gives the height h of the ball (in feet) after t seconds. Graph the function to determine at about what time the ball hits the ground

    asked by Samantha on April 21, 2015
  42. Math

    Annika is making a quilt with squares that are one half foot in length on each side the finished quilt will be 4 feet long and 3 and a half feet wide how many quilt squares will Annika need.

    asked by Alissa on October 3, 2016
  43. calculus

    I am given a table that shows the temperature of the water and the days, which looks like this: t(days) W(t) (in Celcius) 0 20 3 31 6 28 9 24 12 22 15 21 the temperature of the water in a pond is a differentiable function W of time t. The table above shows

    asked by Jan on December 17, 2006
  44. Chemistry

    A 35.00 mL sample of water at 30.0°C is placed in an open container with an external pressure of 1.00 atm. 30.0 kJ of heat is added to the water sample. The density of water is 1 g/mL. (a) How many grams of liquid water remain at the end of the process?

    asked by N on February 11, 2015
  45. physics

    An air-cooled motorcycle engine loses a significant amount of heat through thermal radiation according to the Stefan-Boltzmann equation. Assume that the ambient temperature is T0 = 24.5°C (297.65 K). Suppose the engine generates 11.5 hp (8.58 kW) of power

    asked by Anonymous on November 9, 2014
  46. physics

    An air-cooled motorcycle engine loses a significant amount of heat through thermal radiation according to the Stefan-Boltzmann equation. Assume that the ambient temperature is T0 = 24.5°C (297.65 K). Suppose the engine generates 11.5 hp (8.58 kW) of power

    asked by Anonymous on November 5, 2014
  47. physical

    An air-cooled motorcycle engine loses a significant amount of heat through thermal radiation according to the Stefan-Boltzmann equation. Assume that the ambient temperature is T0 = 22.3°C (295.45 K). Suppose the engine generates 13.5 hp (10.07 kW) of

    asked by itufizik on July 23, 2012
  48. MATH

    Elaine is painting a fence. She knows that she needs 1 gallon of paint for each 10 feet of fencing. The fencing will enclose a rectangular yard that is 3 yards long and 2 yards wide. How much paint does Elaine need? (Remember 3 feet = 1 yard)

    asked by ADREAN on April 8, 2015
  49. logic

    the average height of members of the high school basketball team is six feet,three inches . jerry is on the high school basketball team, so jerry must be taller than six feet. the argument above is flawed because it confuses

    asked by lisa on July 14, 2012
  50. Critical Thinking Quiz phi 103

    The average height of members of the high school basketball team is six feet, three inches. Jerry is on the high school basketball team, so Jerry must be taller than six feet. The argument above is flawed because it confuses

    asked by Anonymous on December 4, 2011
  51. english

    The average height of members of the high school basketball team is six feet, three inches. Jerry is on the high school basketball team, so Jerry must be taller than six feet. The argument above is flawed because it confuses

    asked by lisa on August 2, 2015
  52. Townview

    Elaine is painting a fence. She knows that she needs 1 gallon of paint for each 10 feet of fencing. The fencing will enclose a rectangular yard that is 3 yards long and 2 yards wide. How much paint does Elaine need? (Remember 3 feet = 1 yard)

    asked by Michelle on May 14, 2015
  53. geometry

    a sailboat has a sail which is shaped like a right triangle. The base of the triangle is 14 feet and the height is 20 feet. What is the area of the sail? The boat also has two smaller sails that are each half as large as the big one. How big is each of the

    asked by mike on March 1, 2012
  54. phi103

    21{1[2(24)24]}> The average height of members of the high school basketball team is six feet, three inches. Jerry is on the high school basketball team, so Jerry must be taller than six feet. The argument above is flawed because it confuses

    asked by Anonymous on August 8, 2011
  55. college

    a guy wire 27 feet long runs from the top of the pole to a spot on the ground. I f the height of the pole is 6 feet longer than the from the base of the pole to the spot where the guy wire is anchored, how tall is the pole?

    asked by Anonymous on April 21, 2013
  56. Math

    A bathroom has a length of 10 feet and a width of 9 feet.Kade wants to put down tiles on the floor that are each 1 square foot.Then he will put a baseboard along the edges where the walls meet the floor.How many tiles does Kade need?How much baseboard does

    asked by Amari on March 31, 2015
  57. Language Arts

    Passage A Avalanches are caused by a variety of conditions. When the temperature is cold and snow falls, the snowsticks to the ground. However, when the air temperature changes, the snow may slide away in pieces or slabs. Basically an avalanch happens when

    asked by Callie on December 1, 2014
  58. cpcc

    In Figure P4.30, m1 = 10.0 kg and m2 = 4.5 kg. The coefficient of static friction between m1 and the horizontal surface is 0.60 while the coefficient of kinetic friction is 0.30. Figure P4.30 (a) If the system is released from rest, what will its

    asked by thomas on September 27, 2010
  59. intro to algebra written assignment help

    Assume you are throwing a baseball up from the top of a building. The equation for the height of the ball, h, at time, t, is represented by the equation: h=-16t^2+64t+512 (5 points) After how many seconds does the ball reach 560 feet? Explain what your

    asked by kate on December 11, 2015
  60. Algebra (MAT 117)

    b. Suppose that an object is 100 pounds when it is at sea level. Find the value of C that makes the equation true. (Sea level is 3,963 miles from the center of the earth.) c. Use the value of C you found in the previous question to determine how much the

    asked by Paradise on January 4, 2009
  61. Math

    A farmer is planting squash plants that need 2 3/8 feet to spread out. He has an area along a fence that is 20 feet long. Round the amount of space the squash plants need to the nearest 1/2 foot. How many squash plants can the farmer grow along the fence?

    asked by Laura on April 8, 2013
  62. math

    the function h(x)=1/98x^2 h(x) is the height of part of a rollercoaster track, when x is the horizontal distance in feet from the center of this section of the track the tower that supports the this part of the track are the same height and are 150 feet

    asked by peg on December 21, 2013
  63. math

    The distance in feet that a skydiver is from the ground (t) seconds after jumping from an airplane flying at 17,000 ft above ground is given by the following equation: d(t)=-16t^2 +17000. a.) how many feet above ground is the skydiver above ground after 4

    asked by MIKE on August 14, 2013
  64. Math

    A circular tablecloth is draped over a rectangular table so that the center of the cloth is directly above the center of the table. The table is 6 X(times) 2sqrt(3)feet, and the cloth has a radius of 2 feet. What is the area of the portion of the

    asked by Kate on February 14, 2011
  65. Math

    Sammy has a 10-foot ladder, which he needs to climb to reach the roof of his house. The roof is 12 feet above the ground. The base of the ladder must be at least 1.5 feet from the base of the house. How far is it from the top of the ladder to the edge of

    asked by Chen on December 18, 2016
  66. Math

    a bouncy ball rebounds to 90% of the height of the preceding bounce. jason drops a bouncy ball from initial height of 25 feet (a) write out the sequence of the height of the first 4 bounces. (b) derive an explicit formula for the rebound height of a bouncy

    asked by Linn on August 7, 2017
  67. AP CHEMISTRY

    The molar mass of an unknows organic liquid (M~100) is determined by placing 5 mL of the liquid in a weighed 125-mL conical flask fitted with a piece of Al foil with a pin hole in it. The flask is heated in a boiling water bath until the liquid evaporates

    asked by Ash on March 29, 2013
  68. Math

    In 1990, the population of Cheyenne, Wyoming, was 73,142. By 2000, the population had increased to 81,607. Write and solve an equation to find, the increase in Cheyenne’s population from 1990 to 2000. Mercury’s surface temperature has a range of 600

    asked by Crystal on September 19, 2013
  69. Chemistry

    On more than one occasion when our kids were small, we would come inside from playing in the snow and I would make hot chocolate by heating the chocolate milk in the microwave. Invariably, I would get the milk too hot for at least one of them. One time,

    asked by Breanne on January 11, 2013
  70. science help plzzzzzzzzzzzzzzz?

    What is the mean photon energy of.......? During the history of the Universe from the Big Bang to the present day, at some point in time the mean temperature of the Universe was 1 × 10^17 K. What was the mean photon energy at this instant, and which of

    asked by centya on April 14, 2013
  71. Physics

    A person makes a quantity of iced tea by mixing 500g of hot tea(c=4190J/(Kg.k) with an equal mass of ice(T=0c, L=333KJ/Kg). assume that mixture has negligible energy exchange with environment. If tea's initial temperature is 90c, then what is the

    asked by sid on May 26, 2009
  72. Physics

    A nail driven into a board increases in temperature. If we assume that 88.6 % of the kinetic energy delivered by a 2.3-kg hammer with a speed of 7.80 m/s is transformed into heat that flows into the nail and does not flow out, what is the temperature

    asked by Desperate Student on March 14, 2016
  73. chemistry-calorimetric

    Develop a detailed calorimetric method for determining the temperature of the warm water sample. Materials: Hot water sample of unknown temperature, Styrofoam cups with cardboard lid and stirrer, Thermometer, Pipets and burets, balance, ice, cold water,

    asked by Cerra on October 19, 2010
  74. math

    the width of the scale drawing of the office is 2inches. if 1/2inches=3 feet. what is the actual width in feet of the office

    asked by Taylor on October 3, 2012
  75. college algebra

    Diagonal length of flooring is 2 feet longer than the length and 5 feet longer than twice the width what are the dimensions of the flooring

    asked by Jessie on November 21, 2015
  76. math

    The length of a rectangle is 3 feet less than 4 times the width. If the perimeter is 84 feet, find the length and the width of the rectangle.

    asked by larry on October 16, 2016
  77. math

    Sarah jumped 18 1/2 feet in the long jump competition. Rachel jumped 19 1/8 feet. how much further did rachel jump?

    asked by she on July 30, 2012
  78. Math

    A shaded circle has a diameter of 12 feet. Within the circle, is another white circle with a radius of 2 feet. What is the area of the shaded circle.

    asked by Elaine on May 17, 2015
  79. geometry

    a flagpole casts a 73 foot shadow. Habib is 5 feet tall and his shadow is 12 feet. How tall is the flagpole?

    asked by lynze on March 2, 2012
  80. geometry

    a 27 feet tall ladder is placed so that it reaches 25 feet up on the wall of the house. How far is the base of the ladder from the wall of the house. Please help.

    asked by Ariana on September 1, 2013
  81. Basic algebra

    The length of a rectangle is 9 feet longer than twice the width. If the perimeter is 90 feet, find the length and width of the rectangle?

    asked by Anonymous on October 11, 2012
  82. mathematics

    Jake has a cable that is 55.3 feet long. He wants to cut it into pieces that are 7.9 feet long. How many 7.9 foot pieces will he get from the cable?

    asked by Jacqueline on August 5, 2015
  83. Algebra 1

    An airplane was at a cruising altitude, then descended 3800 feet. If the airplane is at 20,000 feet now what was the cruising altitude?

    asked by Laila solis on August 28, 2017
  84. Chemistry

    "Aluminum metal melts at 658.5°C. What would be the final temperature if 28.0 grams of solid aluminum at this temperature were placed into 520 grams of liquid aluminum at 1000.0°C? The heat of fusion for aluminum is 396 J/g, and the specific heat of

    asked by Tiffany on September 7, 2016
  85. Easy (yet confusing) Algebra

    These problems are pretty easy, but confusing (as stated in the subject line). |2x+5|-x=10 |3x+4|-2x=11 I know there are supposed to be two answers for each problem, for the first problem I got 5 and for the second problem I got 7. I can't figure out the

    asked by Emily on April 11, 2007
  86. physics

    In a shipping company distribution center, an open cart of mass 55.0 kg is rolling to the left at a speed of 5.30 m/s (see the figure (Figure 1) ). You can ignore friction between the cart and the floor. A 18.0 kg package slides down a chute that is

    asked by malakai on November 7, 2015
  87. physics

    there is a figure that looks kind of like this: E6--------------------- E= -0.378eV E5--------------------- E= -0.544eV E4--------------------- E= -0.850eV E3--------------------- E= -1.51eV E2--------------------- E= -3.40eV the figure shown above shows

    asked by physics on March 14, 2009
  88. PHYSICS

    Q1= An 85 cu.meter room. - How much energy required to heat room temperature from 5C to 22C. - How long in minutes Q2= - a 40 Liter radiator in the same room above. energy input is 5400 watts. In order to increase room temperature from 5C to 22C, how long

    asked by M BIL on May 31, 2012
  89. College Math

    a conical tank is 15 feet deep and has an open top whose radius is 15 feet. Assume that starting at t = 0 water is added to the tank at a rate of pi ft^3/hr, and water evaporates from the tank at a rate proportional to the suface area with the constant of

    asked by Anonymous on August 4, 2011
  90. physics

    The force shown in the figure below is the net eastward force acting on a ball. The force starts rising at t=0.020 s, falls back to zero at t=0.062 s, and reaches a maximum force of 55 N at the peak. Determine with an error no bigger than 25% (high or low)

    asked by jaz on October 13, 2010
  91. Math

    1) A television tower is 160 feet high and an observer is 120 feet from the base of the tower. Find, to the nearest degree, the angle of elevation of the top of the tower from the point of observation. 2) A vertical pole 22 meters tall casts a shadow 16

    asked by Lauren on October 13, 2016
  92. Chemistry

    Delta H is 20.1 kJ/mol and Delta S is 45.9 J/(mol-k). Assuming these values change very little with temperature, over what temperature range is the reaction spontaneous in the forward direction? Is the reaction spontaneous for temperatures less than or

    asked by Katherine on March 9, 2012
  93. geometry

    Jackson is painting the side of his school. He paints a wall that has an area of 41 1/3 square yards. He uses 2 1/3 gallons of orang paint. What is Jackson's rate of paint coverage in square yards per gallon? The label on the paint container says that the

    asked by asford on January 14, 2016
  94. biology help?

    In 1857, Louis Pasteur discovered that yeast is a living organism. The activity of yeast causes fermentation – baker’s yeast, Saccharomyces cerevisiae, has been used for centuries in the production of bread, beer and wine. In the absence of oxygen,

    asked by sam on February 15, 2013
  95. chemistry(check my explanation)

    sorry to repost this question but i'm confused on this part The solubility of borax is directly proportional to temperature. Therefore, the sign of H is A. negative B. positive C. unknown with the given information like you said earlier, borax dissolves

    asked by eng on April 5, 2010
  96. Chemistry

    1. The temperature of two substances with the same mass increases by 20 degrees Celsius. Which absorbs the most energy, the substance with the higher or lower specific heat? Explain 2. The human body is approximately 60% water. Explain how this high

    asked by Stephanie on October 21, 2014
  97. Chemistry

    1. The temperature of two substances with the same mass increases by 20 degrees Celsius. Which absorbs the most energy, the substance with the higher or lower specific heat? Explain 2. The human body is approximately 60% water. Explain how this high

    asked by Tiffany on October 21, 2014
  98. bilogy

    methane which is composed of carbon and hydrogen, lacks fuctional groups and is a gas at room temperature.upon replacing one of the hydrogen atoms with a hydroxyl group, methane is converted to a liquid called methanol at room temperature. please explain

    asked by erika on December 14, 2010
  99. Biology

    Please answer this question: EFFECT OF TEMPERATURE ON MEMBRANE PERMEABILITY (BEETROOT) EXPERMIENT -My graph shows: Higher temperature=higher absorption rate for each temperature (best fit line) Fluid mosaic model theory: -Membrane composed of phospholipid

    asked by Jann on November 30, 2017
  100. precalculus

    Berry is standing at the edge of a hill that slopes downward and to the right. He notices that for every 5 feet you go in a horizontal direction, the hill drops by 2 feet. Berry places a ball at the edge of the hill (the origin of the coordinate system),

    asked by Anonymous on June 10, 2013