1. chem

    A pressure cooker with a volume of 6 L is filled with 27 grams of water and heated to 390.2 K. What is the pressure (atm) in the cooker?

    asked by laura on December 5, 2011
  2. College Algebra

    On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard is then folded along the creases to make a rectangular box with open ends. Letting x represent the distance (in inches) between

    asked by Valerie Pacetti on January 21, 2011
  3. geometry

    On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard is then folded along the creases to make a rectangular box with open ends. Letting x represent the distance (in inches) between

    asked by Valerie Pacetti on January 21, 2011
  4. Physics

    A car of mass 1200kg starts from rest, accelerates uniformly to a speed of 4.0 meters per second in 2.0 seconds and continues moving at this constant speed in a horizontal straight line for an additional 10 seconds. the brakes are then applied and the car

    asked by Ken on December 4, 2012
  5. Chemistry

    Use Henry's law and the solubilities given below to calculate the total volume of nitrogen and oxygen gas that should bubble out of 1.6 L of water upon warming from 25 C to 50 C. Assume that the water is initially saturated with nitrogen and oxygen gas at

    asked by RE on September 18, 2009
  6. physics

    In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The solar radiation enters the collector through a transparent cover and warms the water in the tubes; this water is pumped into a

    asked by monique on April 15, 2011
  7. physics

    In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The solar radiation enters the collector through a transparent cover and warms the water in the tubes; this water is pumped into a

    asked by Ashley on April 1, 2013
  8. Phyics

    In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The solar radiation enters the collector through a transparent cover and warms the water in the tubes; this water is pumped into a

    asked by HELP PLEASE on April 12, 2013
  9. physics

    In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The solar radiation enters the collector through a transparent cover and warms the water in the tubes; this water is pumped into a

    asked by niki on April 15, 2011
  10. science

    Using Dimensional analysis, how do you set up a problem to find the density when given mass and volume? Suppose the mass of an object is 40 grams and the volume is 20 mL. Density has units of grams/mL. Then density = 40 g/20 mL = 2 g/mL. If this isn't

    asked by Anne on August 22, 2006
  11. spheres

    Find the Volume of a hemisphere with a diameter of 17 cm. Use pi = 3.14 and round to the nearest hundredth. can some one show me what i'mdoing wrong? this is what i got: 4/3*3.15*17^3 you forgot to split the diameter in half to get the radius. You used the

    asked by mike on May 9, 2007
  12. Phyiscs

    Please show work You decide to take a nice hot bath but discover that your thoughtless roommate has used up most of the hot water. You fill the tub with 270 kg of 30.0°C water and attempt to warm it further by pouring in 5.00 kg of boiling water from the

    asked by Anonymous on July 15, 2010
  13. Physicss

    Please show work You decide to take a nice hot bath but discover that your thoughtless roommate has used up most of the hot water. You fill the tub with 270 kg of 30.0°C water and attempt to warm it further by pouring in 5.00 kg of boiling water from the

    asked by Anonymous on July 15, 2010
  14. Chemistry

    I need to work out the density of the gaseous oxide of arsenic at STP in g L-1 I realise density = mass/volume but my answer works out very high!! I have already worked out the volume to be 52cm^3 (Cubed). the mass to start with was 0.702g and at the end

    asked by Annabel on January 31, 2007
  15. Chemistry

    Water treatment plans must reduce phosphate levels to 3.2 micromoles PO4^3-/L before the water is considered drinkable. If water from Lake A is determined to have a phosphate concentration of 0.419 mg PO4^3-/L, does it meet this allowable standard for

    asked by Anon on December 6, 2012
  16. expressions

    A tank is filling with water from a natural spring. two days ago the water was 10 feet deep. yesterday the water was 12 feet deep. Assume that the water depth continues to rise at the same rate after today. How do you write this expression

    asked by Anonymous on May 25, 2013
  17. Chemistry

    A small pebble is heated and placed in a foam cup calorimeter containing water at 25 °C. The water reaches a maximum temperature of 27 °C. If the pebble released 532.1 J of heat to the water, what mass (in g) of water was in the calorimeter? can you show

    asked by Rachel on May 1, 2014
  18. chemistry

    given 2C6H6+15O2->12CO2+6H2O 1. Starting with a confined volume of 4.80L and O2 with a partial pressure of 223.1 torr at 25 degrees C. C6H6 is in excess. The reaction is allowed to proceed to completion. The container is returned to 25C. Both liquid water

    asked by stacy on November 13, 2012
  19. chemistry

    given 2C6H6+15O2->12CO2+6H2O 1. Starting with a confined volume of 4.80L and O2 with a partial pressure of 223.1 torr at 25 degrees C. C6H6 is in excess. The reaction is allowed to proceed to completion. The container is returned to 25C. Both liquid water

    asked by stacy on November 13, 2012
  20. Physics

    A 343-kg boat is sailing 16.2° north of east at a speed of 1.98 m/s. Thirty seconds later, it is sailing 37.5° north of east at a speed of 3.76 m/s. During this time, three forces act on the boat: a 30.3-N force directed 16.2° north of east (due to an

    asked by Natasha on February 12, 2012
  21. Physics

    A 325-kg boat is sailing 15.0° north of east at a speed of 2.00 m/s. Thirty seconds later, it is sailing 35.0° north of east at a speed of 4.00 m/s. During this time, three forces act on the boat: a 31.0-N force directed 15.0° north of east (due to an

    asked by Litany on November 13, 2009
  22. Physics

    A 358-kg boat is sailing 15.9° north of east at a speed of 1.80 m/s. Thirty seconds later, it is sailing 36.6° north of east at a speed of 3.68 m/s. During this time, three forces act on the boat: a 29.7-N force directed 15.9° north of east (due to an

    asked by Jasmin on September 23, 2011
  23. Physics

    A 325-kg boat is sailing 15.0° north of east at a speed of 2.00 m/s. Thirty seconds later, it is sailing 35.0° north of east at a speed of 4.00 m/s. During this time, three forces act on the boat: a 31.0-N force directed 15.0° north of east (due to an

    asked by Litany on November 13, 2009
  24. physics

    A 358-kg boat is sailing 15.9° north of east at a speed of 1.80 m/s. Thirty seconds later, it is sailing 36.6° north of east at a speed of 3.68 m/s. During this time, three forces act on the boat: a 29.7-N force directed 15.9° north of east (due to an

    asked by Jasmin on September 24, 2011
  25. Physics Please Help!

    1. How much work is required to stop an electron (m = 9.11 10^-31 kg) which is moving with a speed of 1.97 10^6 m/s? 2. An automobile is traveling along a highway at 91 km/h. If it travels instead at 100 km/h, what is the percent increase in the

    asked by Anonymous on February 15, 2011
  26. CHEMISTRY: URGENT DRBob222

    I thought it was similar so I wrote... x + y = 30cm^3 x + 2y = 61.5cm^3 i.e 2x + 2y =60cm^3 x + 2y = 61.5cm^3 therefore x= -1.5cm^3(volume of methane) and y= {61.5-(-1.5)}/2= 31.5cm^3(volume of ethane) However my teacher said the volume i got for ethane is

    asked by LC on October 30, 2012
  27. Physics(volume flow rate)

    Imagine a house with two bathrooms/showers: one downstairs, the other upstairs. The volume flow rate of the shower head downstairs (2 meters above the ground level) is 4*10-4 m3/s. The cross sectional area of the shower head is 30 mm2. What is the volume

    asked by Jason on September 23, 2015
  28. science

    What describes the charecteristics of a liquid? A.) It has a fixed volume and shape. B.) It has high energy and expands to fill the container. C.) It has fixed volume and varied shape. D.) It has no fixed volume or shape.

    asked by Pride on March 19, 2014
  29. physics

    Water is descending in a vertical pipe of diameter 7 cm and open to the atmosphere. At a lower point the water flows into a smaller pipe of diameter .84 cm. At a certain instant the depth of the water just above the narrowing point is 30 cm and the water

    asked by Benny on April 7, 2010
  30. Physics

    Water is descending in a vertical pipe of diameter 7 cm and open to the atmosphere. At a lower point the water flows into a smaller pipe of diameter .84 cm. At a certain instant the depth of the water just above the narrowing point is 30 cm and the water

    asked by Noodle on April 6, 2010
  31. Science

    If a block could be molded into a flatter and longer shape, then which one would happen and can you explain? a. mass, volume, and density all would change. b. volume would change, but the mass and density would remaine the same. c. mass and volume would

    asked by rachel on February 13, 2009
  32. physics

    In lab, Will burns a 0.6 g peanut beneath 48 g of water, which increases in temperature from 22 degree C to 55 degree C. The amount of heat absorbed by the water can be found with the equation Q =cm \Delta T, where Q is the amount of heat, c the specific

    asked by christy on March 31, 2012
  33. physics 2 HELP PLEASE!!

    Can someone help break this down.. Please tell me if what I identified is so far correct. Also what equations should I use??? x1= 10m x2=? v1= 1.2 m/s v2=? a= -9.8 m/s^2 t= ? 1.) a diver runs horizontally with a speed of 1.2 m/s off a platform that is 10.0

    asked by Heather on February 3, 2016
  34. Science

    The water in a beaker has a mass of 18g. Electricity is passed through the water for two hours. Afterward the water has a mass of only 16g. What happened to the missing mass? The water heated up due to the electrical current going through it, and some of

    asked by AJ on April 22, 2007
  35. Chemistry

    You make a solution using a solute (5g) in water (total volume 100ml). The molar mass of the solute is 110 g/mol. What is the molarity? What is the concentration reported as % by mass?

    asked by Judy on September 23, 2015
  36. physics

    A 6.6 diameter horizontal pipe gradually narrows to 3.6 . When water flows through this pipe at a certain rate, the gauge pressure in these two sections is 30.0 and 26.0 , respectively. What is the volume rate of flow? Answer in m^3/s

    asked by anonymous on October 26, 2011
  37. Chemistry

    Ringer's solution, used in the treatment of burns and wounds, is prepared by dissolving 8.6 g of NaCl, 0.30 g of KCl, and 0.33 g of CaCl2 in water and diluting to a volume of 1.00 L. What is the osmolarity of Ringer’s solution?

    asked by Mike on December 6, 2014
  38. Maths

    A tank with 520L of water begins to leak at a rate of 2L per day, At the same time, a second tank is being filled at a rate of 1L per hour, starting at 0L. How long does it take for the tanks to have the same volume?

    asked by todd on March 14, 2017
  39. solid mensuration

    A parabolic trough is 3 meters long, one foot across the top and one foot deep. Find the volume of water in the trough in liters if it is filled to a depth of 6inches.

    asked by tommy on May 12, 2011
  40. Chemistry

    If 0.630 grams of HNO3 (molecular weight 63.0) are placed in 1 liter of distilled water at 25 degrees C, what will be the pH of the solution? (Assume that the volume of the solution is unchanged by the addition of the HNO3.) A. 0.01 B. 0.1 C. 1 D. 2 E. 3

    asked by Sharon on January 25, 2011
  41. geometry

    A parabolic trough is 3 meters long, one foot across the top and one foot deep. Find the volume of water in the trough in liters if it is filled to a depth of 6inches.

    asked by tin on May 13, 2011
  42. Chemistry

    Argon makes up 0.93% by volume of air. Calculate its solubility in water a 20 C and 1.0 atm. The henry's law constant for argon under these conditions is 0.0015 mol/L*atm

    asked by guy on December 9, 2014
  43. Chemistry

    Dissolved 0.7500 g calcium chloride dihydrate and impure, in distilled water and the volume was elevated to 200.00 mL in a volumetric flask. A rate of 10.00 mL of the same consumed the titration 18.9 mL 0.0125 M EDTA using CALCON as indicator. What is the

    asked by Damon on August 27, 2016
  44. physics

    A large storage tank, open to the atmosphere at the top and filled with water, develops a small hole in its side at a point 18 m below the water level. The rate of flow of water from the leak is 1.6 × 10−3 m3 /min. Determine the speed at which the

    asked by Anonymous on April 26, 2013
  45. Environmental Science

    Which of the following is one way that a person can conserve water? a.Take a bath instead of a shower b.Wash laundry in small, partial loads c.use a low flow shower head to take short showers d.water the lawn daily and at nidday. I picked a. right? Because

    asked by Mack on April 20, 2007
  46. math

    A 12 cm by 12 cm ice cube tray is in the shape of a cuboid with twelve hemispheres inset. The depth of each hemispheres is 1 cm. a) If all the hemispheres were filled with water, calculate the total volume of water that the ice cube tray could hold. It is

    asked by Lucas on April 28, 2014
  47. A.P. Chem

    Based on like dissolve like, determine if these compounds will be more soluble in water or an organic solvent. 1) Sodium Butyrate I think Water 2) Phenol I think organic 3) Aniline I think water 4) Sodium phenoxide I think water

    asked by Danny on April 12, 2016
  48. Chemistry

    If the column of water in the water barometer fore to a height of 35ft, what would the atmospheric pressure be in mm Hg? mmH20X(density of water/density of Hg)= mmHg Density of water=0.99707 Density Hg=13.5340

    asked by Brian on February 11, 2011
  49. mATH

    The fish tanks at the Greene Pet Store each hold the same amount of water. Molly used 17 3/5 water.pitchers of water to fill 16 tanks. How many pitchers of water did she pour into each tank?

    asked by KYN on April 7, 2017
  50. physics

    A 316-kg boat is sailing 12.0° north of east at a speed of 1.60 m/s. 39.0 s later, it is sailing 36.0° north of east at a speed of 4.00 m/s. During this time, three forces act on the boat: a 31.4-N force directed 12.0° north of east (due to an auxiliary

    asked by marissa on September 14, 2012
  51. Physics

    A force of 132 new inns is applied in pushing a stalled autoMobile at constant speed for a distance of 150 m. How much work is done in joules on the car by the force ?

    asked by Mirlande on March 5, 2017
  52. Finance

    Is it more economical to buy an automobile for $29,000 cash or to pay $4,500 down and $3,000 at the end of each quarter for 2 years, if the money is worth 8% compounded quarterly?

    asked by sabrina on September 28, 2011
  53. Adv. Physical Science

    an automobile to be transported by ship is raised above the dock by a crane. If the gravitational potential energy of the car is 6.6 x 10^4 and the mass is 960 kg how high has the car been lifted?

    asked by Rio on December 16, 2012
  54. PHYSICS!

    The piston of hydraulic automobile lift is 0.30 m in diameter. Calculate the gauge pressure required to lift a car with a mass 1000 kg in, A) Pascals B) Atm

    asked by Happinessdelight on June 4, 2017
  55. science

    an automobile of mass 1800kg takes a turn of radius 270m. If the force on the tyres to maintain the motion along the curve is not to exceed 630n, the limiting speed of the vehicle assuming no banking will be

    asked by sk on August 23, 2015
  56. Dynamics

    a 1500 kg automobile is travelling upto 20 degrees inclined at a speed of 6m/s. if the driver wishes to stop his car in a distance of 5m, determine the frictional force at pavement which must be supplied by rear wheels

    asked by vikrant on July 31, 2012
  57. dynamics

    A 1500 kg automobile is treveling upto 20 degree incline at a speed of 6 m/s. if the driver wishes to stop his car in a distance of 5 m, determine the frictional force at pavement which must be supplied by rear wheels.

    asked by neeraj sharma on July 22, 2013
  58. Calculus - Optimization

    A parcel delivery service a package only of the length plus girth (distance around) does not exceed 24 inches. A) Find the dimensions of a rectangular box with square ends that satisfies the delivery service's restriction and has a maximum volume. What is

    asked by Jess on November 16, 2013
  59. Chemistry

    An empty flask weighs 128.632g. After vaporization of a sample of volatile liquid, at a measured temperature of 99.8 C. The flask is sealed, cooled to room temperature, and weighed. The mass is now 129.225g. The measured P atm is 757.7 torr. The flask is

    asked by Shannon on April 7, 2011
  60. Chemistry

    An empty flask weighs 128.632g. After vaporization of a sample of volatile liquid, at a measured temperature of 99.8 C. The flask is sealed, cooled to room temperature, and weighed. The mass is now 129.225g. The measured P atm is 757.7 torr. The flask is

    asked by Anonymous on July 13, 2008
  61. Chemistry

    HCN is mixed with water. Which is the best description of what you would expect to find in the solution? 1. CN−, OH−, and water molecules 2. HCN molecules, H3O+, CN1−, and water molecules 3. H2CN+, OH−, and water molecules 4. H3O+, CN−, and

    asked by Anonymous on September 30, 2011
  62. chemistry

    HCN is mixed with water. Which is the best description of what you would expect to find in the solution? 1. CN+, OH−, and water molecules 2. HCN molecules and water molecules 3. H2CN+, OH−, and water molecules 4. HCN molecules, H3O+, CN1−, and water

    asked by cheri on September 19, 2012
  63. PHYSICS

    Starting from rest at the top, a child slides down the water slide at a swimming pool and enters the water at a final speed of 5.59 m/s. At what final speed would the child enter the water if the water slide were twice as high? Ignore friction and

    asked by anonymous on October 26, 2018
  64. physics

    Starting from rest at the top, a child slides down the water slide at a swimming pool and enters the water at a final speed of 4.00 m/s. At what final speed would the child enter the water if the water slide were twice as high? Ignore friction and

    asked by cody on March 9, 2012
  65. Calculus

    The rate of change in the volume of a tank is known to be dV/dt=0.6t*cos(0.08t^2 -1), where V(t) is in gallons per minute and 0

    asked by Jamie on June 8, 2014
  66. physics

    differentiate between density,mass and volume. state a formula in terms of mass density and volume. using the formula calculate the volume of a 10kg block of ice

    asked by john on February 13, 2012
  67. value

    ACAR OF MASS 1200KG TRAVEL OF SPEED OF 20M PERSECOND IF ITS ENGINE DEVELOPS INTO 3KW,FIND THE FORCE USED

    asked by Anonymous on February 13, 2017
  68. heat

    in a gasoline engine the area in the cylinder head where the air and fuel mixture is burned is called the? What is the combustion chamber?

    asked by angela on August 19, 2005
  69. math

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.65 times 10^-5 watts/cm^2

    asked by Andrew on March 17, 2013
  70. math

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.33 10−5watts/cm2

    asked by tekeria on June 5, 2013
  71. math

    Find the number of decibels for the power of the sound given. Round to the nearest decibel.A rocket engine, 2.42 * 10^−5 watts/cm2

    asked by Anonymous on November 12, 2013
  72. PHY

    A drag-racing car accelerates forward because of the force exerted on it by the road. Why, then, does it need an engine? Explain. what is the answer plz

    asked by MHD on May 11, 2012
  73. statistics

    I want to examine the relationship between gas mileage of cars and the engine size ( displacement in cubic inches). The explanatory variable is?

    asked by Gee on September 6, 2012
  74. Literacy

    Which search engine would be best to use when you want to know if your local library carries a particular journal? A. Worldcat B. Google Scholar C. Webarchive D. All the Web my answer is B

    asked by Heather on January 17, 2012
  75. physics

    A 750 kg rocket accelerates straight upward from the ground at 60 m/s2. What is the force (thrust) provided by the engine? with a gravitational pull of 10 m/s2 down

    asked by Troy on February 3, 2014
  76. Language Arts

    What is a literal description poem? Or can someone provide an example? (would be easiest for me) but I am up to any of the tutors to post a reliable link that can help me as I can not find any in my search engine thanks.

    asked by Cam on April 25, 2018
  77. Algebra

    find the number of decibels for for the power of the sound given. Round to the nearest decibel. a rocket engine, 2.4 X 10 -5 watts/cm2

    asked by Adrienne on February 15, 2014
  78. Literacy

    7. Which search engine would be best to use when you want to know if your local library carries a particular journal? A. Worldcat B. Webarchive C. All the Web D. Google Scholar ANSWER IS A

    asked by Mrs. Jane on March 10, 2012
  79. statistics

    I want to examine the relationship between gas mileage of cars and the engine size ( displacement in cubic inches). The explanatory variable is?

    asked by Gee on September 6, 2012
  80. math

    Find the number of decibels for the power of the sound given. Round to the nearest decibel. A rocket engine, 2.65 times 10^-5 watts/cm^2

    asked by Andrew on March 17, 2013
  81. Pre-Algebra

    Find the volume of the rectangular prism? A-23in3 B-297in3 C-318in3 D-159in3 Find the volume of the triangular prism? A-23in3 B-297in3 C-318in3 D-159in3 Find the volume cylinder. A-16,990mm3 B-8,491mm3 C-4,247 D-2,369mm3 Find the volume of a cylinder with

    asked by Octavia on March 6, 2018
  82. Organic Chemistry

    An impure sample contains 0.95g of benzoic acid and 0.05 of salicylic acid. Solubilities in water of the two compounds are given in the following table. Solubility at 20 degrees (g/10mL) benzoic acid: 0.029 salicylic acid: 0.22 Solubility at 100 degrees

    asked by Anonymous on September 18, 2011
  83. science

    You have a plastic tray with cold water in it and then you have three cups holding it up and one cup has hot water in it. You put dye in the cold water on top of the hot water. Why does the dye move away from the hot water?

    asked by Laura on October 8, 2008
  84. biology

    POLARITY COHESION SURFACE TENSION CAPILLARY ACTION UNIVERSAL SOLVENT ADHESION match definitions Because water molecules stick together, they form a thin film on the surface of pools of water, on which some organisms can walk Water molecules are able to

    asked by anonymous on November 21, 2013
  85. calculus

    A circular swimming pool has a diameter of 14 m, the sides are 4 m high, and the depth of the water is 3.5 m. (The acceleration due to gravity is 9.8 and the density of water is 1000 .) How much work (in Joules) is required to: (a) pump all of the water

    asked by Anonymous on February 22, 2013
  86. Physics help!

    The earth has an electric field of about 150 N/c pointed downward. A 1.00 (micrometer) radius of water droplet is suspended in a calm air. Find the 1) mass of the water droplet 2) charge on the water droplet 3) number of access electrons in the water

    asked by Happiness delight on August 14, 2017
  87. Calculus Help Please!!!

    A water trough is 5 m long and has a cross-section in the shape of an isosceles trapezoid that is 30 cm wide at the bottom, 70 cm wide at the top, and has height 40 cm. If the trough is being filled with water at the rate of 0.1 m3/min how fast is the

    asked by Kim on March 30, 2014
  88. Calculus

    A water trough is 9 m long and has a cross-section in the shape of an isosceles trapezoid that is 40 cm wide at the bottom, 80 cm wide at the top, and has height 40 cm. If the trough is being filled with water at the rate of 0.3 m3/min how fast is the

    asked by Breauna on October 12, 2014
  89. Differential Calculus

    A water trough is 10 m long and a cross section has the shape of an isosceles trapezoid that is 30 cm wide at the bottom, 80 cm wide at the top, and has height 50 cm. If trough is being filled with water at the rate of 0.2 m^3/min how fast is the water

    asked by GRAY on September 5, 2016
  90. calc-related rates

    "The volume of a cone of radius r and height h is given by V=1/2(pi)(r^2)(h)If the radius and the height both increase at a constant rate of .5 cm per second at WHAT RATE in cubic cm per second, is the volume increasing when the height is 9 cm and the

    asked by James on March 30, 2010
  91. Chemistry

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

    asked by Ashley on May 14, 2010
  92. Physics II

    A large cylindrical water tank 11.5 m in diameter and 13.5 m tall is supported 8.75 m above the ground by a stand. The water level in the tank is 10.6 m deep. The density of the water in the tank is 1.00 g/cm3. A very small hole is formed at the base of

    asked by Lindsay on January 18, 2015
  93. Tax Accounting

    Mike purchases a heavy-duty truck (5-year class recovery property) for his delivery service on April 30, 2010. The truck is not considered a passenger automobile for purposes of the listed property and luxury automobile limitations. The truck has a

    asked by Anonymous on June 2, 2013
  94. For Hannah

    Re http://www.jiskha.com/display.cgi?id=1369225544 Sorry to have caused confusion for you Hannah. In your original post, you had 3 different problems, the first two were "volume" questions. When I did the third one, which was simply finding an area, I

    asked by Reiny on May 22, 2013
  95. Science

    Write the formula, substitute numbers and units(labels)Mike mixed 20g of 60C water with 40g of 25C water. The final temperature was 39C. 1.Calculate the change of temperature for hot water. 2.Calculate the calories transferred from the hot water.

    asked by Jamie on March 29, 2010
  96. Chemistry

    75.0 mL of a 1.20 M solution is diluted to a total volume of 248 mL. A 124-mL portion of that solution is diluted by adding 111 mL of water. What is the final concentration? Assume the volumes are additive.

    asked by Daric on February 14, 2015
  97. chemistry

    59.0 mL of a 1.60 M solution is diluted to a total volume of 268 mL. A 134-mL portion of that solution is diluted by adding 173 mL of water. What is the final concentration? Assume the volumes are additive?

    asked by John S. on September 21, 2017
  98. Chemistry

    75.0 mL of a 1.20 M solution is diluted to a total volume of 248 mL. A 124-mL portion of that solution is diluted by adding 111 mL of water. What is the final concentration? Assume the volumes are additive.

    asked by Daric on February 13, 2015
  99. chemistry

    59.0 mL of a 1.40 M solution is diluted to a total volume of 278 mL. A 139-mL portion of that solution is diluted by adding 129 mL of water. What is the final concentration? Assume the volumes are additive.

    asked by lee on April 17, 2013
  100. chemistry

    63.0 mL of a 1.30 M solution is diluted to a total volume of 248 mL. A 124-mL portion of that solution is diluted by adding 173 mL of water. What is the final concentration? Assume the volumes are additive.

    asked by Anonymous on December 8, 2014