Search: An unknown amount of water is mixed with 350 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 52.5 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. Answer in units of M

Number of results: 39,465

AP Chemistry
There is an unknown amount of unlabelled monoprotic acid in an unknown amount of water titrated with a sample with a solution of NaOH of unknown molarity. After adding 10.0 mL of NaOH, the pH=5.0. The equivalence point is 32.22 mL of NaOH. What is the Ka? I have been looking ...
Tuesday, March 8, 2011 at 9:58pm by Ben

chemistry
If the atmospheric pressure is not corrected for vapor pressure of water, what effect will this have on number of moles of oxygen calculated? Use numbers from your experiment and determine the percent deviation caused by this omission. Is this a significant error? this is a ...
Friday, September 3, 2010 at 12:37pm by Anonymous

chemistry
When 86.7 g of water at a temperature of 73 °C is mixed with an unknown mass of water at a temperature of 22.3 °C the final temperature of the resulting mixture is 61.7 °C. What was the mass of the second sample of water? (Specific heat of water 4.184 J·g-1&...
Tuesday, April 9, 2013 at 11:26am by Anonymous

Chemistry I
x= unknown mass of H2O x(4.184)(23.5-35) + 17.008(4.184)(23.5-18.2)=0 I don't think so. Tf = final T; Ti = initial T. a. Isn't the initial T 18.2 and not 35 for the unknown amount of water? b. Where did the 17.008 come from? That must be the mass of water but that was ...
Sunday, October 12, 2008 at 6:16pm by DrBob222

Chemistry
When 112 g of water at a temperature of 22.5°C is mixed with 65.1 g of water at an unknown temperature, the final temperature of the resulting mixture is 46.3°C. What was the initial temperature of the second sample of water?
Friday, October 8, 2010 at 11:28pm by Noelle

chemisry
An unknown amount of water is mixed with 350 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 52.5 mL of 6 M HCl. Calculate the concentration of the di- luted NaOH solution. Answer in units of M
Wednesday, September 19, 2012 at 5:06pm by cheri

chemistry
Dissolve 1.5g of an unknown salt into 37g of water and find that the new vapor pressure at 75C is 277 torr. What is the Molar Mass of the unknown? How many grams of the unknown would have to be used in 100ml of water to make a 11.5% solution by mass of the unknown?
Sunday, December 5, 2010 at 5:07pm by regina

Chemistry
An unknown amount of water is mixed with 350 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 51.2 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. Answer in units of M What volume of water ...
Monday, May 13, 2013 at 6:07pm by Anonymous

Chemistry
An unknown amount of water is mixed with 310 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 58.2 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. Answer in units of M What volume of water ...
Monday, March 19, 2012 at 12:28am by ag

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. 3.Calculate the amount of heat...
Monday, March 29, 2010 at 6:13pm by Jamie

Chemistry
Freezing point of pure water = -2, Freezing point of Unknown solution = -1 Mass of unknown in 50g of water = 1.9964g. Calculate the delta T for the solution of the unknown solid and determine the molecular weight of the unknown solid.
Saturday, February 2, 2013 at 11:39pm by Anna

chem
(5) In this experiment MnO4-is reduced to Mn 2+ by the unknown. What is the equivalent weight of MnO4- for this experiment? 52.68 (6) How many equivalents of electrons were transferred from the unknown solution? (7) What is the Normality of the 1.00 mL of the unknown solution...
Thursday, October 27, 2011 at 9:43pm by bry

chemistry
this is a lab i am working on and this is what is says: Solution A is mixed with water to produce solutions of varying concentration. These altered concentrations of solution A is added to a set amount of solution B and the reaction times are noted when the solutions are mixed...
Thursday, January 5, 2012 at 6:42pm by Arnold

thermochem
An unknown volume of water at 18.2°C is added to 27.0 mL of water at 36.7°C. If the final temperature is 23.5°C, what was the unknown volume? (Assume that no heat is lost to the surroundings; d of water is 1.00 g/mL.)
Sunday, October 5, 2008 at 1:03pm by james

Chemistry
I did a lab for Organic Chemistry We did a simple distillation of an unknown alcohol to determine the boiling point, which was found to be 74*C The four possibilities for the unknown were methanol, ethanol, 1-propanol and 2-propanol. So from the boiling point the unkown must ...
Tuesday, October 5, 2010 at 10:22pm by Laura

Chemistry
The vapor pressure of water at 95C is normally 6.33.9 but decreased to 561.2mmHg upon addition of an unknown amount of NaOCl to 164.3g of water at this temp. How many grams of NaOCl was added assuming complete dissociation of the solute
Saturday, April 23, 2011 at 5:52pm by Jay

Chemistry - Please help!!
I did a lab for Organic Chemistry We did a simple distillation of an unknown alcohol to determine the boiling point, which was found to be 74*C The four possibilities for the unknown were methanol, ethanol, 1-propanol and 2-propanol. So from the boiling point the unkown must ...
Tuesday, October 5, 2010 at 11:41pm by Laura

science (chem)
I wouldn't think so. The amount of water formed depends upon the amount of excess CH3COOH, not on the amount of NaHCO3. So the same amount of water will be formed if you used 1%, 5%, or 100% NaHCO3.
Wednesday, February 27, 2008 at 10:04pm by DrBob222

chemistry
we boiled water in a beaker and put a flask with a small amount of an unknown liquid into the flask then covered it with a lid with a pinhole in it, and we placed this flask in the boiling water bath until the liquid evaporated, then we let it cool and condense.
Wednesday, January 27, 2010 at 9:58pm by Haley

chemistry
The procedure described in this experiment was used to determine the molar mass of unknown liquid (non-electrolyte). The solution was made by mixing 0.961 g of the unknown with 100.0 g of water. The freezing point depression of the solution was −3.7°C. Calculate ...
Thursday, April 19, 2012 at 2:39am by hereyago

Chem
a solution containing 100g of unknown liquid and 900g water has a freezing point pf -3.33 C. given kf=1.86 degrees c for water, the moelcular weight of the unknown liquid is what?
Sunday, February 12, 2012 at 10:45pm by Court

Chemistry
The vapor pressure of pure water at 85 celsius is normally 433.6 mmHg but decrease to 393.8mmHg upon addition? of an unknown amount of ammoniu chloride NH4Cl to 162.2g of water at this temperature. How many grams of ammonium chloride were added assuming complete dissociation ...
Sunday, February 20, 2011 at 6:11pm by Jude

ap chemistry
A 0.456 gram sample of an unknown mono- protic acid (let’s call it HZ) was dissolved in some water (you pick the amount). Then the acidic solution was titrated to the equivalence point with 32.5 mL of 0.174 M KOH. What is the molecular weight of the unknown acid HZ? 1. ...
Tuesday, March 5, 2013 at 8:13pm by cheri

TIP manila
what happen when ethanol mixed in methanol. ethanol mixed in acetone. acetone mixed in methanol. methanol mixed in water.
Thursday, September 22, 2011 at 12:30am by wew

MATH..-HELP ME PLEASE GUYS..THIS DUE TMORROW!!!!..
Suppose tank A consist of 500 liter brine with 500gm salt dissolved in it, whereas in tank B containing 500 liter of water. Water is allowed to enter tank A at a rate of 30 liter/minute, and that mixed solution flow from tank A to tank B at a rate of 40 liter/minute. At the ...
Wednesday, April 24, 2013 at 2:04pm by cecyl

Physics - Buoyant Force
find volume of metal first Buoyant force in water = 14 N = weight of water displaced in 1 g gravitational field mass of water displaced = 14 N/9.8 m/s^2 = 1.43 kg of water displaced the density of water = 1,000 kg/m^3 so volume of metal = 1.43*10^-3 m^3 Buoyant force in ...
Tuesday, December 16, 2008 at 12:15am by Damon

Chemistry
A very old and tired , grey haired AP Chem instructor wanted to determine the Ka of an unlabelled monoprotic acid in his stockroom. He dissolved an unknown amount of acid in an unknown amount of water and proceeded to titrate the sample with a solution of NaOH of unknown ...
Sunday, February 24, 2013 at 9:19pm by Summer

Chemistry
The water loss by the sample, and the precent by weight of the water in the unknown hydrates 34.78%H2O. which of the ten possible hydrates are the most likely ones to be your unknown based on the percent by weight?
Sunday, April 7, 2013 at 4:17pm by judy

Chemistry
If there were two solutions- one with areagent(100% pure) mixed in water and the other solution containing the same reagent (99.9% pure) mixed in equal volume of water. How significant would the difference in concentration be between these two solutions?
Monday, March 29, 2010 at 9:54pm by Andrew

Chemistry
At 22 °C an excess amount of a generic metal hydroxide M(OH)2, is mixed with pure water. The resulting equilibrium solution has a pH of 10.49. What is the Ksp of the salt at 22 °C?
Saturday, March 16, 2013 at 4:53pm by Anon

Chemistry I
Heat gained by water + heat lost by water = 0. unknown mass H2O x specific heat x (Tf-Ti) + known mass water x specific heat x (Tf-Ti) = 0 Tf = final T Ti = initial T. You have only one unknown; i.e., unknown mass H2O. Post your work if you get stuck.
Sunday, October 12, 2008 at 6:16pm by DrBob222

chemistry
Melting point experiment: how do i know the calibration curve? we did an experiment where: week one we did a graph with the melting points of different compounds. week 2 we used the graph to correct the melting point of unknown # 1 and then unknown # 2 we mixed unknown 2 with ...
Tuesday, January 18, 2011 at 2:49pm by jessica

AP Chemistry
A very old and tired , grey haired AP Chem instructor wanted to determine the Ka of an unlabelled monoprotic acid in his stockroom. He dissolved an unknown amount of acid in an unknown amount of water and proceeded to titrate the sample with a solution of NaOH of unknown ...
Sunday, February 24, 2013 at 2:42pm by Sarah

College Chemistry
Plaster of Paris is the compound calcium sulfate hemihydrate, CaSO4*1/2H2O What mass of water is liberated when a 2.763 gram sample is heated to constant mass? The sample is 2.763 grams How much of the 2.763 gram sample is water? I need an amount in grams. Amount of anhyrdate...
Saturday, October 8, 2011 at 9:01am by Roy

Chemistry
An unknown metal, heated to an unknown temperature until a liquid is dropped into a calorimeter that has 250 ml of water. The water heats up from 22 degrees Celcius to 29 degrees Celcius, at which point the temperature of the water and metal are equal. How much energy in ...
Saturday, December 4, 2010 at 10:10pm by Ivy

Chemistry
A mass of 0.200 kg of an unknown metal at 94C is placed in 0.3 kg of water at 10C. The final temperature of the metal and water are 20C. What is the specific heat capacity of the unknown metal?
Wednesday, October 20, 2010 at 12:06pm by Cas

Chemistry
At 22C(Celsius) an excess amount of a generic metal hydroxide M(OH)2 is mixed with pure water. The resulting equilibrium solution has a pH of 10.14. What is the Ksp of the salt at 22C? Help Please
Wednesday, November 14, 2012 at 7:03pm by Anonymous

Chemistry I
An unknown volume of water at 18.2 degrees celsius is added to 24.4 mL of water at 35.0 degrees celsius. If the final temperature is 23.5 degrees celsius what was the unknown volume? (assume no heat is lost to surroundings and D of water is 1.00g/mL)
Sunday, October 12, 2008 at 6:16pm by Kelsie

College Chemistry
The Water loss by the sample, and the percent by weight of water in the unknown hydrates is 34.78%H2O. which of the ten possible hydrates are the most likely ones to be your unknown based on the percent by weight?
Sunday, April 7, 2013 at 4:27pm by judy

MATH
Start by converting mixed numbers into improper fractions. 1 1/2ft = 3/2 ft. 3 1/4ft = 13/4 ft Now divide 2in by 3/2 ft 2/(3/2) = 4/3 So, if 3/2 feet of snow yields 2 in of water, 1ft of snow will yield 4/3 in of water. Now multiply 13/4 by 4/3. 13/4*4/3 = 13/3. Convert that ...
Wednesday, July 8, 2009 at 11:39am by Marth

problem solving
The amount of water used to take a shower is directly proportional to the amount of time that the shower is in use. A shower lasting 21 minutes requires 12.6 gallons of water. Find the amount of water used for a shower lasting 10 minutes.
Sunday, February 20, 2011 at 4:28pm by Jam

English
Actually, neither is correct. 1. Two glasses (plural) of water amount TO a bottle of water. 2. Two glasses of water amount TO a bottle of water. 3. 100 grains (plural) of rice amount to a cup of rice. 4. is correct. Sra
Friday, September 2, 2011 at 11:44pm by SraJMcGin

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 heat of water, m the ...
Saturday, March 31, 2012 at 7:39pm by christy

chemistry
A solution which contains 40.3 g of an unknown molecular compound in 360 g of water freezes at -5.07°C. What is the molar mass of the unknown?
Monday, November 26, 2012 at 10:35pm by paul

science need help
2 H2 + O2 = 2H2O 2 grams + 32 grams=_ _ _ _ _grams how would the mass of water formed in the reaction compare to the mass of oxygen and hydrogeb that reacts. in your response be sure to: include they type of change illustrated in the balanced eqaution explain the conservation ...
Monday, April 1, 2013 at 11:15am by jeff

Urgent - Physics
The U-shaped glass tube in the figure below contains two liquids in mechanical equilibrium: sea water of density 1.025 kg/L, and an unknown liquid of density ρ. The unknown liquid is in the left tube, floating on top of the water with a clearly visible interface. Use...
Tuesday, January 27, 2009 at 12:42am by Jen

Chemistry
If a piece of metal at -20 degrees Celsius is added to an ice and water mixutre in equilibrium at 0 degrees Celsius, which of the following statements is true??? ( Note more than one can be correct) I. the amount of ice will increase II. the amount of water will decrease III. ...
Sunday, April 22, 2007 at 6:51pm by John

math
it cannot be a mixed fraction because 3m/m is a whole number.
Friday, September 24, 2010 at 11:17am by unknown

Gen. Chem
Could you help me with this homework please.. 105.0 g of water is in a Styrofoam calorimeter of negligible heat capacity. The initial T of the water is 17.1oC. After 288.2 g of an unknown compound at 77.0oC is added, the equilibrium T is 25.1oC. What is the specific heat of ...
Monday, March 25, 2013 at 8:04pm by carl

physics
A column of water of height h1 = 70.0 cm supports a column of an unknown liquid h2 = 30.0 as suggested in the figure (not drawn to scale). Assume that both liquids are at rest and that the density of water is 1.0x103 kg/m3. Determine the density of the unknown liquid.
Sunday, January 17, 2010 at 8:05pm by sara

thermal physics
Let the unknown mass of steam required by X grams. The amount of heat that is loses changing to 12 C liquid water equals the heat gained by the 340g of ice as it melts to form water at the same temperature (12 C). If we use units of J/g and J/g K, X*[2256 + 4.186(100 - 12)] = ...
Wednesday, March 25, 2009 at 7:15am by drwls

Science
Why is water often thought to be a renewable resource? A. Water goes down the drain B. Polluted water can be cleaned C. We can drink dirty water D. Water is cleaned when it is mixed with humus B. because i have all a i got a 100 on math and reading so you are going to get this...
Tuesday, April 17, 2007 at 5:03pm by Missy

Physics Homework
A 2000 lb box is being held at rest submerged in water. The box is displacing 2500 lbs of water. When the box is released from its submerged position, the box will a. sink b. rise to the surface and float c. remain where it is d. result unknown Ok, so if the box is put in the ...
Saturday, November 13, 2010 at 7:45pm by Jael

science
2 H2 + O2 -> 2 H2O 2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass of oxygen and hydrogen that reacts? include types of change illustrated in the balanced equation. explain the conversation of matter ...
Sunday, March 31, 2013 at 4:37pm by jeff

science
I would record amount of water, temp, amount of sugar, amount of salt.
Saturday, October 23, 2010 at 9:02pm by bobpursley

science need help
2 H2 + O2 -> 2 H2O 2 grams + 32 grams -> _ _ _ _ _ grams how would the mass of water formed in the reaction compare to the mass of oxygen and hydrogen that reacts? include types of change illustrated in the balanced equation. explain the conversation of matter ...
Monday, April 1, 2013 at 9:54am by jeff

math
A supersoaker water pistol can hold up to 4 litres of water. If each shot uses 11/12 of amount of water of its previous shot, the amount of water fired by a fully loaded supersoaker's first shot is? x/4000ml=11/12 x=3666.7mL why is the answer 333mL?
Saturday, January 9, 2010 at 5:17pm by cyn

Chemistry
Calculate amount (in grams) of unknown acid used for titration. You want 30 mL of titrant to get the equivalence point. Assume that the base is 0.05 M and the unknown acid molar mass is around 400 g/mol.
Saturday, March 23, 2013 at 1:37pm by Justine

Chemistry
I word to the wise should be sufficient; i.e., you would do well not to try to type in the special symbols. The ones displayed on my screen look like Sanskrit and they are not readable. For your problem, assuming I have translated the Sanskrit correctly, is 4.50E6 J = mass ice...
Sunday, November 21, 2010 at 3:51pm by DrBob222

science
what would be the final amount of water in a mixture when 2kg ice at -20 degrees celsius is mixed with 5kg water at 20 degrees celsius? Given:specific heat capacity of ice=0.5/gram degree celsius,specific heat capacity of water=1cal/gram degree celsius,latent heat of fusion of...
Friday, May 14, 2010 at 9:13am by pramit

Chemistry
A 50 gram sample of liquid water at 25 degrees C is mixed with 29 grams of water at 45 degrees C. The final temperature of the water is...?
Thursday, December 6, 2012 at 1:05pm by Bree

math
change fraction 38/8 to a mixed number and reduce to the lowest term is it 4 3/4
Wednesday, October 29, 2008 at 2:07pm by unknown

Chemistry
Limestone can be heated in a furnace to convert it to quicklime which can be mixed with water to make lime (calcium hydroxide). Calcium hydroxide cam be mixed with sand and water to make lime mortar. Cement, which contains lime and other ingredients can also be used to make ...
Wednesday, May 21, 2008 at 3:56pm by GK

Nutriiton
I got this from a search on dehydration. If you need more information, do an internet search. In a normal day, a person has to drink a significant amount of water to replace this routine loss. If intravascular (within the blood vessels) water is lost, the body can compensate ...
Sunday, May 30, 2010 at 11:10pm by Jen

Chemistry
When 1.150 grams of an unknown nonelectrolyte dissolves in 10.0 grams of water, the solution freezes at -2.16°C. What is the molecular weight of the unknown compound? Kf for water = 1.86°C/m. -2.16 x m/-1.86 = 1.16 1.16/ .010 kg of water= 116 1.150/116= 9.91 g/mol is ...
Sunday, February 10, 2013 at 5:52am by Marcus

Science-Chemistry
1.)A sample of oxygen took 55 seconds to travel a certain distance. How long would it take for the same number of moles of nitrogen to travel the same distance. 2.) A sample of hydrogen gas traveled 45m in a given amount of time. An unknown gas traveled 7.6m in the same amount...
Sunday, April 29, 2012 at 3:36pm by Bryan

Chemistry
If 4.0 g of hydrogen and 10.0 g of oxygen are mixed according to the equation 2 H2 + 02 = 2 H20, which is the limiting reagent? 1. none, they are evenly mixed 2. oxygen 3. hydrogen 4. water
Sunday, October 24, 2010 at 8:44pm by Mike

Algebra II
#2 of 3 The original 14 gallons is 1/4 water, so it contains 3.5 gallons of water. When you are done removing and replacing x gallons of the mix with water, you still have 14 gallons, but it is 40% water, so that makes 5.6 gallons of water in the radiator afterwards. The ...
Friday, January 11, 2008 at 3:14am by drwls

Chemistry
I'm doing an Equivalent Weight and Normality experiment and I got very confused on the discussion questions.[ the unknown is titrated with the KMnO4] 1) In this experiment MnO4- is reduced to Mn2+ by the unknown. What is the equivalent weight of MnO4- for this experiment. ...
Sunday, April 6, 2008 at 1:39pm by Confused

Physics
Is the water that gets mixed sea water? You didn't say.
Tuesday, November 10, 2009 at 9:51pm by drwls

Math
180 ml of a mixture of water and alcohol with 90% alcohol concentration is mixed with 70 ml of pure water. what is the alcohol concentration of the new mixture? Do the following: 1) Find out how many ml of alcohol was in the first mixture. (What is 90% of 180?) 2) Take that ...
Saturday, April 21, 2007 at 4:52pm by julia

Chemistry
A water solution containing an unknown quantity of an unknown nonelectrolyte solute has a freezing point of -0.21 Celsius. What is the molality of the solution? Kf=-1.86C/m
Thursday, May 12, 2011 at 1:11am by Anonymous

Physics - Buoyant Force
A piece of metal weighs 50.0 N in air, 36.0 N in water, an 41.0 N in an unknown liquid. Find the density of the unknown liquid.
Tuesday, December 16, 2008 at 12:15am by Phillip

science
what kind of mixture did we use if tablet is mixed with water or sugar with water...
Wednesday, September 19, 2007 at 11:23am by klar maesen

physics
What would be the final temperature when 125g of 25 degrees Celcius water is mixed with 85g of 45 Degrees Celcius water? ( hint: Equate the heat gained by the cool water with the heat lost by the warm water.)
Friday, May 3, 2013 at 1:56am by Maddie

chemistry
2.) A 48 g sample of water at 75 °C is mixed with 32 g water at 18 °C. Find the temperature of the mixture.
Wednesday, February 16, 2011 at 1:33pm by kate

Chemistry
In an experiment, 3.545 grams of an unknown nonelectrolyte is dissolved in 15.0 grams of water. The extrapolated freezing point is -.56 degrees C. What is the molecular weight of the unknown material?
Monday, November 22, 2010 at 7:43pm by Cerra

chemistry
Hmmm. I have never in my life encountered Pure water. But I wouldn't use tap water if you are testing for an unknown...lord knows what is in tap water.
Thursday, December 17, 2009 at 11:42am by bobpursley

science(chemistry) -Q for Dr.Bob
solvent layer: 1 solid precipitate: no I ran the solvent layer I got in my unknown in the GC and I had sharp peaks in the beginning but at about 4 min on the polar column, I got a broad peak that tailed off considerably. question is, Is it water? I'm not sure how water ...
Monday, April 20, 2009 at 11:56pm by ~christina~

Chemistry
Mass of flask, boiling chips, foil cap and unknown after cooling reaction 83.350g 2.Mass of flask, boiling chips,and foil cap. 82.657 3. water bath temperature C is 95.0 C 4. Barometric pressure inches of Hg 30.09 5. Accepted molar mass of unknown is 86.2g/moles 6. Volume of ...
Monday, June 14, 2010 at 1:48pm by Anonymous

Chemistry
1. Mass of flask, boiling chips, foil cap and unknown after cooling reaction 83.350g 2.Mass of flask, boiling chips,and foil cap. 82.657 3. water bath temperature C is 95.0 C 4. Barometric pressure inches of Hg 30.09 5. Accepted molar mass of unknown is 86.2g/moles 6. Volume ...
Monday, June 14, 2010 at 1:48pm by Anonymous

Chemistry
50 grams of water at 85ºC were passed through one side of a two-compartment heat exchanger. Sixty-five grams of 30ºC were passed through the other side. Both streams of water came out at 50ºC Calculate the amount of heat given up by the hot water and the amount ...
Wednesday, March 13, 2013 at 1:13am by Sarcasticqueen

science
we have done experiment in school and for homework we must write chemical reactions that have happend during the experiment. the experiment was like this : first we took an unknown substance than we have put some CuO , we mixed that two substances together in test tube. Than ...
Wednesday, September 22, 2010 at 12:57pm by ana

PHYSICS
In lab, Will burns a 0.6- peanut beneath 48 of water, which increases in temperature from 22 to 46. The amount of heat absorbed by the water can be found with the equation , where is the amount of heat, the specific heat of water, the mass of water, and the change in the water...
Tuesday, April 23, 2013 at 4:13pm by Ericca

chemistry
1. Mass of flask, boiling chips, foil cap and unknown after cooling reaction 83.350g 2. Mass of flask, boiling chips and foil cap. 82.657 3. water bath temperature C 95.0 C 4. Barometric pressure in Hg 30.09 5. Accepted molar mass of unknown 86.2g/moles 6. Volume of flask 270 ...
Monday, June 14, 2010 at 12:42pm by Patty

chemistry
an aqueous solution containing 17.5g of an unknown molecular(nonelectrolyte) compound in 100.0g of water has a freezing point of 1.8 degress C. calculate the molar mass of the unknown compound
Saturday, November 5, 2011 at 10:05am by Monique

SIENICE HELP!!!!
What would cause the most erosian? A)a small amount of water moving over a steep slope B)a small amount of water moving over a flat area C)a large amount od=f water moving over a steep slope D)a large amunt of water moving over a flat area My answer is D,am i right?
Monday, September 12, 2011 at 7:58pm by LIDIA

Science
Working on the Amazon River, a biologist isolated DNA from two unknown organisms, P and Q. He discovered that the adenine content of P was 15% and the cytosine content of Q was 42%. This means that: a) the amount of guanine in P is 15% b) the amount of guanine and cytosine ...
Tuesday, October 26, 2010 at 12:16pm by May

south lewis
when water and ice are mixed the temperature of the mixture is 0 degrees Celsius. When methyl alcohol and ice are mixed a temperature of -10 degrees is obtained. Why is there such a difference?
Sunday, September 25, 2011 at 3:51pm by Kimberly

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