1. Chemistry 105

    A sample of gas has an initial volume of 33.0 L at a pressure of 1.1 atm. If the sample is compressed to a volume of 10.0 L, what will its pressure be? (Assume constant temperature.)

    asked by JULIE on October 23, 2011
  2. chemistry

    A gas sample with a volume of 5.3L has a pressure of 745mmHg at 33degrees C.What is the pressure of the sample if the volume remains at 5.3L but the temperature rises to 79degres C?

    asked by houston on April 28, 2012
  3. Chemistry :((((

    a gas occupies a volume of 5L at a temp. of 20C and a pressure of 1atm. what volume would it occupy at a temp. of 30C and a pressure of 1.1 atm.

    asked by Amanda on April 13, 2012
  4. chem

    At a pressure of 2 atm, hydrogen gas occupies a volume of 8 L. What pressure must the gas be under if the volume is increased to 10 L? Don't forget the units.

    asked by vonsha on May 10, 2013
  5. chemistry

    A 1.00 L volume of helium gas is cooled from 50.0 degrees celcius to 25.0 degrees celcius. If the pressure remains constant, what is the final volume?

    asked by annie on April 19, 2010
  6. general science

    calculate the density of a cork of mass 24g and volume 100 cm3. what would its density be if its volume increases to 200 cm3?

    asked by suevasha on April 18, 2012
  7. chemistry

    a gas has a volume of 95 mL at a pressure of 930 torr. What volume will the gas occupy at standard temperature if pressure is held constant?

    asked by Mikhail on January 26, 2014
  8. Chemistry

    A balloon filled with helium has a volume of 1.oo x 10^3 L at 20 degrees c. What will be the balloons volume at 30 degrees c, if the pressure surrounding the balloon remains constant?

    asked by Lisa on September 23, 2010
  9. chemistry help

    A gas has a volume of 4.40L at 0∘C. What final temperature, in degrees Celsius, is needed to change the volume of the gas to each of the following, if P and n do not change? 1400mL

    asked by Anonymous on July 18, 2013
  10. solid geometry

    A cone circumscribed a sphere and has its slant height equal to the diameter of its base. Show that the volume of the cone is 9/4 the volume of the sphere.

    asked by defensivepoison on November 16, 2016
  11. math

    To find the volume of a box, you can multiply its height, length, and width. The measure of the volume of a box is 357. Find its possible dimensions.

    asked by gabi on September 7, 2010
  12. physics

    An air bubble at the bottom of a lake 35.0 m deep has a volume of 1.88 cm^3. If the temperature at the bottom is 5.4 C and at the top 19.5 C, what is the volume of the bubble just before it reaches the surface?

    asked by Nicholas on September 5, 2008
  13. Chemistry

    A balloon that has a temperature of 12C and a volume of 10.0Lt has its temperature raised to 150C. Assuming a constant pressure, what will the new volume of balloon be?

    asked by Linda on May 14, 2012
  14. Chemistry

    At 27 degrees celcius, nitrogen has a volume of 650 cm^3 under a pressure of 980 mmHg. What would be its volume at the same temperature but at a pressure of 760 mmHg?

    asked by Richaj on September 15, 2014
  15. chemistry

    If a hot air balloon has an initial volume of 1000 L at 70∘C, what is the temperature (in ∘C) of the air inside the balloon if the volume expands to 1900L ?

    asked by Anonymous on July 15, 2013
  16. chemistry

    if we did this experiment in a refrigerator (4 C) would you expect that the volume of collected gas be greater than or less than the volume of gas you collected today at room temperature?

    asked by Anonymous on March 18, 2016
  17. chemistry

    A sample of gas has an initial volume of 20.9 L at a pressure of 1.4 atm If the sample is compressed to a volume of 12.9 L: , what will its pressure be? (Assume constant temperature.) Thank you

    asked by ap on June 19, 2015
  18. chemistry

    At a pressure of 405 kPa, the volume of a gas is 6.00 cm3. Assuming the temperature remains constant, at what pressure will the new volume be 4.00 cm3?

    asked by sara on February 24, 2011
  19. Chemistry

    if a gas is initially at 1.5 atm of pressure, Occupies a volume of 3.0 L at a tmepeature of 293K, what will be the new volume if the pressure increases to 2.5 atm and is now at 303K?

    asked by Dustin on February 25, 2013
  20. math

    if a cylinder with a height equal to its diameter has a volume of 20 cubic inches. How can you fine the volume of a sphere whose radius is equal to that of a cylinder

    asked by julie on March 8, 2013
  21. Chemistry

    A sample of methane gas that has a volume of 4.0L at 15 degrees Celsius is heated to 75 degrees Celsius at constant pressure. Calculate the new volume.

    asked by Megs on May 22, 2012
  22. chemestry

    if we did this experiment in a refrigerator (4 C) would you expect that the volume of collected gas be greater than or less than the volume of gas you collected today at room temperature?

    asked by Anonymous on March 18, 2016
  23. algebra

    what is the volume of a sphere with radius r is given by the formula v=4/3 r^3 Find the volume of sphere with radius 4 meters. use 3.14 for the value of x and round your answer to the nearest tenth.

    asked by Angela on November 16, 2011
  24. chemistry

    a ferric phosphate solution is prepared by adding 2.4 g of ferric phosphate to a volumetric flask and bringing the final volume to 1.00L by adding water having a phosphate concentration of 1.0 mg/L. what is the concentration of soluble iron in this

    asked by Anonymous on January 23, 2011
  25. physics

    A closed container with a volume of 8000cm^3 is filled with Xenon gas. the temperature is 273K and the pressure is 2 atm. How many moles of Xenon are in the container? The container is now submerged in boiling water until the gas inside the container is at

    asked by Hil on December 23, 2013
  26. Chemistry ...ASAP please

    a ferric phosphate solution is prepared by adding 2.4 g of ferric phosphate to a volumetric flask and bringing the final volume to 1.00L by adding water having a phosphate concentration of 1.0 mg/L. what is the concentration of soluble iron in this

    asked by medina on January 23, 2011
  27. Precalculus

    "An aquarium with length x, width x-10, and height x-5 holds about 750 cubic feet of water. Find all real solutions of the equation (I wrote it) 750 = x(x-10)(x-5)." I got the volume equation correct, right? I've tried dividing the factors of -750 by the

    asked by Emily on September 17, 2009
  28. college chem

    A researcher explores the ideal gas equation. He measures the pressure of a system at different temperatures ( keeping the volume and moles of the gas constant) and creates a plot of P versus T. What is the slope of the line that results if the volume is

    asked by k on February 1, 2013
  29. Physics

    A cylindrical container 1.5m tall contains mercury to a certain depth, d. The rest of the cylinder is filled with water. If the pressure at the bottom of the cylinder is two atmospheres, what is the depth d? I used this equation: 2atm = 1atm + (density of

    asked by Lhaedy on December 11, 2013
  30. chemistry

    Some distilled water is added to an empty beaker. A gram of copper(II) nitrate is added to the beaker with stirring. After a few minutes, what is in the beaker? a. solid copper(II) nitrate and water b. nitrogen gas, copper atoms, electrons, and water c. a

    asked by john on January 29, 2011
  31. chemistry

    ho do you calculate final temperature? anyone please help thanks that's a little vague. Are you dealing with ideal gases? If so you would use the formula PV=nRT P = pressure V = volume of container n = moles (grams/molar mass) R = gas constant (0.0821) T =

    asked by shannon on March 15, 2007
  32. Chemistry

    How will the volume of a fixed sample of gas change if its pressure is doubled and the Kelvin temperature is doubled? a)the change cannot be determined without more specific information b)it will decrease by a factor of 2 c)it will increase by a factor of

    asked by Shawn G. on November 6, 2009
  33. Chemistry

    If air is 20% oxygen, and the reaction is 2C2H2 + 5O2 --> 4CO2 + 2H2O, What volume of oxygen would be needed to completely burn 1.00 L of acetylene (C2H2)? I got 2.50 L but I'm not sure it's right. What volume of air would be needed to completely burn 1.00

    asked by anonymous on May 27, 2015
  34. Chemistry

    Using the data collected for part c on your data sheet and assuming the density of the vinegar is 1.00g/mL, 1) calculate the molar concentration of acetic acid (CH3COOH) in the vinegar sample using the average volume of NaOH. 2) calculate the mass percent

    asked by Josh on October 24, 2011
  35. CHEMISTRY PLEASE HELP

    Using the data collected for part c on your data sheet and assuming the density of the vinegar is 1.00g/mL, 1) calculate the molar concentration of acetic acid (CH3COOH) in the vinegar sample using the average volume of NaOH. 2) calculate the mass percent

    asked by Josh on October 25, 2011
  36. Thermochemistry

    A piece of tin is heated to 695 °C and dropped into 158 g of water at 23.2 °C. The temperature of the system rises to 30.7 °C. What is the mass of the tin dropped into the water? (C = 0.227 J/g°C for tin, C = 4.18 J/g°C for water)

    asked by Brybo on May 30, 2017
  37. Thermochemistry

    A piece of tin is heated to 695 °C and dropped into 158 g of water at 23.2 °C. The temperature of the system rises to 30.7 °C. What is the mass of the tin dropped into the water? (C = 0.227 J/g°C for tin, C = 4.18 J/g°C for water)

    asked by Brybo on May 30, 2017
  38. momentum and it's conservation physics

    when a fire hose is hook up to a water supple and the water is turn on the it frequently takes a firefighter to control the hose. why does a fire hose "recoil" when the water is turned on?

    asked by blaz3 on January 15, 2010
  39. CHEMISTRY

    I've been trying to do this problem but I would get confused and stuck.. Consider a sample of a hydrocarbon at 0.959 atm and 298 K. Upon combustion the entire sample in oxygen, you collect a mixture of gaseous carbon dioxide and water vapor at 1.51 atm and

    asked by J on November 7, 2008
  40. chemistry

    Aerosol cans have a label that warns the user not to use them above a certain temperature and not to dispose of them by incineration. Even an empty can contains residual gaseous propellant. For example, the residual pressure in a can is 1.36 atm when it is

    asked by Katie on December 6, 2009
  41. MATH

    Chemistry of Life Multiple Choice 1. Which of the following form the main components of our body cells? carbohydrates and proteins fat and phosphorous proteins and iron nucleic acids and calcium 2. Organic compounds always contain______. water oxygen

    asked by Help!!!!!!!!!!!!!! Fast its urgent Please!!!!!!!!! on December 7, 2012
  42. Math

    Chemistry of Life Multiple Choice 1. Which of the following form the main components of our body cells? carbohydrates and proteins fat and phosphorous proteins and iron nucleic acids and calcium 2. Organic compounds always contain______. water oxygen

    asked by Briana T on December 7, 2012
  43. Physics

    A swimming pool filled with water to its edge, the depth of the water is 2m and an electric lamp is placed at a distance equals 8m from the edge of the pool over a column its height 6m. Calculate the length of non-apparent part from the pool bottom with

    asked by Anab on November 2, 2012
  44. Chemistry

    Write balanced equations that describe the following reactions. (Use the lowest possible coefficients. Include states-of-matter under SATP conditions in your answer.) a) the dissociation of perchloric acid in water b) the dissociation of propanoic acid

    asked by Micah on February 29, 2012
  45. Chem

    When 3.00 g of butane, C4H10, are combusted in a calorimeter containing 800. g of water, the temperature of the water changes by 44.4 °C. What is the heat of combustion of butane in kilojoules per mole? The molar mass of butane is 58.123 g/mol. The

    asked by Amber on April 20, 2016
  46. biology

    the unique properties of water make life possible on earth, select three properties of water and: a) for each propery, identify and define the property and explain it in terms of the physical/chemical nature of water b) for each property,describe one

    asked by Myles on December 13, 2010
  47. science check

    The lake water in a location in Florida has been found to contain high levels of fecal coliform. What are people in the location most likely to do? breed fish in the lake stop swimming in the lake reduce their water consumption install water filtering

    asked by Oscar on April 12, 2016
  48. Math related rates

    Water is poured into a conical paper cup at the rate of 3/2 in3/sec (similar to Example 4 in Section 3.7). If the cup is 6 inches tall and the top has a radius of 4 inches, how fast is the water level rising when the water is 2 inches deep? I got

    asked by chan on March 2, 2017
  49. Stats

    Recently, an automobile insurance company performed a study of a random sample of 15 of its customers to determine if there is a positive relationship between the number of miles driven and the age of the driver. The sample correlation coefficient is

    asked by Breezy on June 13, 2011
  50. Science

    I have two questions and I have answers for them and I don't know if there right or not. The ones that have stars by the answers is the answers I picked. 1. Complete this sentence. If volume remains the same while the mass of a substance ________, the

    asked by Dan on August 22, 2017
  51. physics

    A 400 g marble block has a specific heat of 860 J/kg C deg. If the block is placed in 700 ml of water, the marble changes it temperature by 17 Celsius degrees. Since the specific heat of water is known to be 4186 J/kg C deg, what is the temperature change

    asked by Ann on February 20, 2014
  52. math

    (1 pt) At the surface of the ocean, the water pressure is the same as the air pressure above the water, about 15lb/in2, Below the surface the water pressure increases by about 4.24lb/in2 for every 10 ft of descent. Write a function f(x) which expresses the

    asked by Anonymous on January 21, 2015
  53. Chemistry

    In water conservation, chemists spread a thin film of certain inert material over the surface of water to cut down the rate of evaporation of water in reservoirs. Franklin found that 0.10 mL of oil could spread over the surface of water of about 49 m

    asked by Amy~ on August 24, 2010
  54. physics

    A car coasts (engine off) up a 30 degree grade. If the speed of the car is 25m/s at the bottom of the grade, what is the distance traveled by the car before it comes to rest?

    asked by Lorraine on September 16, 2012
  55. Physics

    A rocket of 500 kg accelerates away from earth with an engine thrust of 13,500 N. a) what is the weight of the rocket? 4900 N b) how fast did the rocket accelerate? (I know the answer is 17.2 m/s^2 but how did they get that?)

    asked by Michelle on October 5, 2013
  56. chemistry

    During which stroke of a four-stroke internal combustion engine is work done to the system of gases? A. Exhaust stroke B. Intake stroke C. Compression stroke D. Power stroke

    asked by Cortney on March 24, 2015
  57. English

    1. An apple floats on water. 2. A coin sinks in water. 3. An apple floats on the water. 4. A coin sinks in the water. -------------------------- In #1 and in #2, 'water' is in generic use, right? What about in #3 and #4? What is the difference?

    asked by rfvv on October 11, 2017
  58. Chemistry

    what happens when NaCl(s) is dissolved in water? (1)Cl-ions are attracted to the oxygen atoms of the water (2)Cl-ions are attracted to the hydrogen atoms of the water. (3)Na+ions are attracted to the hydrogen atoms of the water. (4)no attractions are

    asked by Tina on February 14, 2011
  59. World History

    Among the factors that brought about European colonialism, which of the following supported concepts of racial superiority? A. The introduction of the steam engine and the telegraph B. Social Darwinism C. Economic and trade opportunities D. the machine gun

    asked by Minerva Nall on October 27, 2014
  60. Chemistry

    Please help! A drop of oil (volume 0.05 cm3) is released from a medicine dropper on to the calm surface of a pond where it spreads out to cover an area of 40 cm2. Assume that the oil film has a uniform thickness equal to the diameter of an oil molecule.

    asked by Bean on February 22, 2007
  61. Math

    A rectangular prism is completely packed with 180 cubes of edge length fraction 1 over 3 inch, without any gap or overlap. Which of the following describes the volume of this rectangular prism? 19 unit cubes and 9 smaller cubes of volume fraction 1 over 27

    asked by Ali on January 20, 2016
  62. physics

    water flow dowen a sloping pipe.the pipe tapers from 2m diameter at the top (A)to 1.4 diameter at the bottom (B)the volume flow rate is 23m/s. 1)calculate the velocities of the flow at points A and B. 2)if the end A is 12m higher than end B, and the

    asked by bani adam on November 7, 2013
  63. chemistry

    Household bleach contains (NaClO)2 that decomposes in water, NaClO + h2o = Na+ + OH- + Cl2 + O2 If 15ml bleach containing 5.85℅ NaClO is allowed to decomposes completely, then hoe many mL of o2 at 22C and 755mmHg can be liberated. Density of bleach=

    asked by Nancy on September 30, 2014
  64. Chemistry

    Hydrogen peroxide solution, H2O2(aq), is available with a concentration of 1.667mol/L. When diluted to a concentration of 0.25mol/L, the solution is used as a disinfectant. What volume of water should be added to 100 mL of the concentrated hydrogen

    asked by Lori on February 22, 2013
  65. Calculus

    A cylindrical drum is made to hold exactly 1m^3 in its interior. Assume that the material for the top and the bottom costs $20 per m^2, while that for the side costs $10 per m^2. Determine the radius of the drum that minimizes the cost of the material

    asked by Frederique on December 10, 2006
  66. chemistry

    if the average concentration of PCBs in the body tissue of a human is 4.0 ppm, what mass of the PCB is present in a 64 kg person? is this a significant amount in regards to the health of the person? What is the concentration of a solution of sodium nitrate

    asked by Anonymous on January 11, 2015
  67. chemistry

    if the average concentration of PCBs in the body tissue of a human is 4.0 ppm, what mass of the PCB is present in a 64 kg person? is this a significant amount in regards to the health of the person? What is the concentration of a solution of sodium nitrate

    asked by Anonymous on January 11, 2015
  68. chem

    A balloon was filled to a volume of 2.55 L when the temperature was 30.0∘C. What would the volume become if the temperature dropped to 11.0∘C.

    asked by a on December 1, 2015
  69. Math

    What fraction of the volume of the rectangular prism is the volume of the rectangular pyramid?

    asked by Helen on April 3, 2016
  70. Algebra/Geometry

    Why are we able to develop the volume formula for cones from the volume formula for pyramids?

    asked by Tiffany on April 10, 2008
  71. Chemistry

    At 25 C, the pressure and volume of a gas are 1.2 atm and 33 L. What is the volume of the gas at STP?

    asked by Meri on October 24, 2010
  72. geometry

    If given 2 spheres, if the volume of the first sphere is 3/4 and the volume of the second sphere is 36, which is the relation of the second radius to the first?

    asked by alex on May 23, 2011
  73. chemistry

    A gas has a volume of 590mL at a temperature of -55.0C What volume will the gas occupy at 30.0C Can someone help me?

    asked by lee on February 1, 2013
  74. Algebra

    a cylinder has a volume of 19cm^3. If the radius is doubled, what is the volume of the new cylinder? HOW TO DO THIS

    asked by JOhn on February 18, 2012
  75. Chemistry

    What can be concluded about Volume in milliliters per celsius, and volume in milliliters per kelvin?

    asked by Megan on October 5, 2012
  76. algebra

    The volume of a sphere is given by V=4/3pie cubed. What happens to the volume of a sphere if r is halved?

    asked by Steffy on March 20, 2010
  77. Chem 100

    If the initial volume is 150mL and the final volume is 1L, what is the final pressure?

    asked by Jen on March 1, 2012
  78. Chemistry

    Hi, can you help with how to solve this equation? 50.0 gram sample of NaCl is added to water to create a 0.50 L solution. What volume of this solution is needed to create a 1.30 L solution that is 0.100 M NaCl? The choices provided: a) 152 mL b) 255 mL c)

    asked by Cassandra on April 4, 2015
  79. Physics

    Problem: A person has a reasonable chance of surviving an automobile crash if the deceleration is no more than 30 "g's. Part A: Calculate the magnitude of the force on a 71-kg person accelerating at this rate. Answer=> F= 2.09x10^4 N Part B: What distance

    asked by Ashley on December 15, 2016
  80. physics

    The human body can survive a negative acceleration trauma incident (sudden stop) if the magnitude of the acceleration is less than (m/s2) If you are in an automobile accident with an initial speed of 101(km/h) and are stopped by an airbag that inflates

    asked by aisha on March 5, 2012
  81. Soil Chemistry

    Chlorine is widely used to treat municipal water supplies and swimming pools. If the volume of a sample of Cl2 gas is 8.73L at 755mmHg and 24.0C, how many grams of Cl2 gas are in this sample? This is one of those multi step problems that I get lost....I

    asked by John on June 30, 2014
  82. Chem-Temperature and Volume Relationships

    What condition must be true when conducting temperature volume measurement? Why would a rubber balloon be a poor system for this kind of expirement? The general equation is (P1V1)/T1 = (P2V2)/T2 If V and T are being studied, then P must be held constant.

    asked by Chrissy on January 25, 2007
  83. chemistry

    What is the general form of a common automobile battery? How many electrodes does a car battery use? Does it use an acidic aqueous electrolyte solution? Is the battery rechargeable? Is the battery voltaic or electrolytic when discharging? Is the battery

    asked by Anonymous on April 27, 2012
  84. English

    Can you please check if my rephrasing is correct? Thank you. 1)Coketown was made of red brick (not bricks). It was full of machinery and tall chimneys, from which smoke coiled up like snakes (I rephrased " "out of which interminable serpents of smoke

    asked by Franco on January 12, 2011
  85. m\

    The path of water from a hose on a fire tugboat can be approximated by the equation y = −0.0055x2 + 1.2x + 10, where y is the height, in feet, of the water above the ocean when the water is x feet from the tugboat. When the water from the hose is 3 feet

    asked by jatin on October 8, 2016
  86. Math

    A tank in the shape of a cone has a diameter of 8 feet and a height of 10 feet.when there is water in the tank, th water is in the shape of a cone too. find the radius of the cone of water when the water is 2 feet high. Explain how you would solve it.

    asked by Cynthia on August 3, 2010
  87. physics

    A car is coasting backwards downhill at a speed of 3.2 m/s when the driver gets the engine started. After 2.5 s, the car is moving uphill at 5.0 m/s. Assuming that the uphill is the positive direction, what is the car's average acceleration?

    asked by javane on November 26, 2010
  88. physics

    1. A car is coasting backwards downhill at a speed of 3.0 m/s when the driver gets the engine started. After 2.5 s, the car is moving uphill at 4.5 m/s. Assuming that uphill is positive direction, what is the car’s average acceleration?

    asked by asa on June 7, 2013
  89. physics

    The engine of a 1250 kg car provides a forward directed force of 3,560 N. If the car accelerates at a rate of 2.60 m/s2, what is the total resistive force (wind resistance, friction, etc.) acting on the car?

    asked by nate on September 14, 2012
  90. Physics

    A model rocket is launched from rest with an upward acceleration of 6.30 m/s2 and, due to a strong wind, a horizontal acceleration of 1.50 m/s2. How far is the rocket from the launch pad 5.30 s later when the rocket engine runs out of fuel?

    asked by Jeff on September 9, 2015
  91. physics

    A car is coasting backwards downhill at a speed of 2.6 m/s when the driver gets the engine started. After 2.5 s, the car is moving uphill at 4.6 m/s. Assuming that the uphill is the positive direction, what is the car's average acceleration?

    asked by LIZZIE on September 19, 2012
  92. PHYSICS

    The engine of a 1250 kg car provides a forward directed force of 3,560 N. If the car accelerates at a rate of 2.60 m/s2, what is the total resistive force (wind resistance, friction, etc.) acting on the car?

    asked by John on September 14, 2012
  93. Engines

    How do i find total displacement in in^3/min if i have the bore and stroke and and rpm and number of cylinder. i can calculate piston and engine displacement and compression ratios but just not sure about TOTAL displacement and the rpms?

    asked by Matt on September 27, 2006
  94. Geometry

    I could really use some help with this problem because I'm pretty confused on what to do. The formula for the volume of a cone is V=1/3(pi)r^2h where v represents volume, r represents the radius of the base, and h represents the height. What is the height

    asked by Anna on September 14, 2014
  95. 8th grade homework

    I could really use some help with this problem because I'm pretty confused on what to do. The formula for the volume of a cone is V=1/3(pi)r^2h where v represents volume, r represents the radius of the base, and h represents the height. What is the height

    asked by Anna on September 14, 2014
  96. Math

    Two chemicals,A and B are combined in the ratio 5:11 by volume to form another solution X. A second solution Y is formed by combining chemicals, A,B and C in the ratio 2:3:15 by volume. Find the volume of chemical A in 400 litres of solution X and

    asked by Didin on November 15, 2016
  97. chemistry

    A sample of one liquid has a mass of 60 grams and a volume of 50 centimeters cubed; a sample of a second liquid has a mass of 30 grams and a volume of 40 centimeters cubed. They are put in a container and mixed. Can you determine what the mass and the

    asked by Ann on October 13, 2012
  98. Physics

    Suppose 0.015 kg of steam (at 100.00 °C) is added to 0.20 kg of water (initially at 14.0°C). The water is inside an aluminum cup of mass 40 g. The cup is inside a perfectly insulated calorimetry container that prevents heat exchange with the outside

    asked by Anonymous on December 8, 2014
  99. 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
  100. Chemistry

    The Label on a one pint bottle of water lists the following components. If the density is the same as pure water and you drink 3 bottles of water in one day, how many milligrams of each component will you obtain? 1) calcium 29 ppm 2)fluoride .09 ppm

    asked by Susan on September 7, 2008