Saturday

April 19, 2014

April 19, 2014

Number of results: 13,710

**Physics Fluids**

IF the thing is submerged, then volume=mass/densitymaterial The bouyant force is volumedisplaced*denstitywater. bouyantforce= 14.7/densitymaterial*density water. according to the measurements, the bouyant force is 14.7-13.3=1.4g then calculate the density of material: density ...
*Friday, October 23, 2009 at 5:20pm by bobpursley*

**CHEM**

Use the equation I gave you before for calculating the density of a gas. You have the density given as 1.27 g/L. Calculate molar mass and divide by 2. Post your work if you need additional assistance.
*Friday, October 24, 2008 at 8:11pm by DrBob222*

**college chemistry**

A certain metal crystallizes in a face-centered cubic arrangement and has a density of a density and atomic radius of 12.41 g/cm3 and 134.5 pm, respectively. Which element below is it?
*Sunday, February 23, 2014 at 2:43pm by hershi*

**Physics (Mechanics)**

The half-width of the parabolic section at any height y above the x axis is x = sqrt (y/1.1) Perform one integral for the total mass in terms of H, using the known mass. This will tell you the density x thickness. Then perform a second integral for the moment of inertia, using...
*Friday, March 21, 2008 at 10:04pm by drwls*

**chemistry**

density is 7.96 g/mL mass = volume x density volume = mass/density volume = 6,500 g/7.96g*mL^-1 = ?? mL. Then convert mL to L.
*Saturday, March 5, 2011 at 1:45am by DrBob222*

**trig**

Ok, so im brand new at trigonometry. If i have a right triangle with an acute angle of 30° an opposite side of 4 and a hypotenuse of x how do ii find x
*Monday, May 30, 2011 at 7:55pm by maya*

**Physics**

power*timeinseconds=specifheatair*densityair*volumeair(Tf-Ti) Tf=Ti+power*time/(specheatair*density*volume) Tf=18.8+54*60*122/(840*6.4*14.5*3.5*density) now change denstity to kg/m^3 density=1.25E-3g/cm^3*(100cm/m)^3*1kg/1000g= 1.25E-3*E6*E-3=1.25kg/m^3 Tf= about one C higher...
*Sunday, November 11, 2012 at 12:53pm by bobpursley*

**earth**

#16 the inner core of the earth is solid because of increased__________ a> density and composition b> density and temperature c> temperature and pressure d> pressure and density
*Sunday, January 13, 2013 at 3:42pm by ?*

**Chem**

Okay... I think this might help... but I'm really not sure either. density=mass/volume cm3=mL 1.volume=mass/density=8.34g/(1.07g/mL)=7.79mL 2.mass=density*volume=1.07*248=265.36g. Here's where I'm confused. Do we have to multiply these two answers by .1 because it's 10% H2SO4 ...
*Monday, February 15, 2010 at 2:37pm by anonymous*

**physics**

The answer provided by DrWLS is the grams. You are also asked for the density. density = mass/volume = mass/3000 cc . You will need to convert this to kg/m^3
*Thursday, November 15, 2007 at 7:29pm by DrBob222*

**university physics101**

A solid aluminum cylinder,density 2700kg/m3,weigh 67g in air and 45g when immersed in turpentine.determine the density of turpentine.
*Wednesday, April 18, 2012 at 4:55am by Anonymous*

**chemistry**

20mL ethanol(density=o.789g/mol) is dissolved in sufficient water to produce a 200mL solution. the density of the solution is 0.982g/mL. what is the molarity?
*Monday, March 11, 2013 at 7:19am by mj*

**Science**

Both gases will have approximately the same density at these conditions. When the volume is held constant, raising the temperature will increase the density of both samples.
*Thursday, April 14, 2011 at 2:43pm by Jake*

**Science**

If you mean color = red paint; if you mean brand = probably the most inexpensive! Sra
*Monday, September 15, 2008 at 11:40pm by SraJMcGin*

**^^Brand Extension^^**

okay. but i dont want that example from wikipedia. I want something else. is there another food item example you give to me plese?
*Thursday, May 19, 2011 at 6:51pm by cassandra*

**TQM HONDA**

hi do you guys know what is the quality dimensions of Honda or any car brand, i cant find it on net...thanks
*Thursday, September 1, 2011 at 6:33am by strawberry charlotte*

**marketing**

mass marketing is not a viable opttion to build a pfitable brand comment on the following
*Sunday, September 11, 2011 at 5:21am by asmat jahan*

**calculus**

Please help with this question. I have a general solution to a differential equation of 18y^3/2= TOP LINE OF FRACTION is 2(x^2-6x+23)^3/2 and this is divided by 3.plus Constant .I work out constant c to be zero. Is this correct? What is the particular solution for which y=2 ...
*Wednesday, May 11, 2011 at 4:09pm by Tony*

**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 change, but the density...
*Thursday, February 12, 2009 at 8:04pm by rachel*

**ENGLISH (thanks)**

Try these and see what you think: Instead of "good" say "what's considered right" in the particular society. Instead of "evel" say "what's considered wrong" in the particular society.
*Monday, January 14, 2013 at 6:36pm by Writeacher*

**chem**

the following procedure may be used to determine the density of a granular material. A sample of a granular material weighing 4.35 grams is placed in a 15 mL flask and then completely filled with benzene (liquid) the density of which is .879g/cc. The granular material and ...
*Monday, November 8, 2010 at 7:54pm by B.o.B*

**Chemistry**

The organic compound di-n-butyl phthalate, C16H22O4(l), is sometimes used as a low-density (1.046 g·mL–1) manometer fluid. Compute the pressure (in torr) of a gas that supports a 555-mm column of di-n-butyl phthalate. The density of mercury is 13.53 g·mL–1. Note: For a mercury...
*Sunday, October 28, 2012 at 4:58pm by Garcia*

**Chemistry**

Average density of a copper-coated iron BB is 8.00g/mL. If the density for copper is 8.92 g/mL, and the density for iron is 7.43g/mL, what is the percentages of copper and iron in a BB?
*Thursday, September 11, 2008 at 7:15am by Heather*

**Maths**

Hi I am really sorry I now people have already attempted to help me with this one already, however I am still not able to understand, I really have not done a lot of these equations and am struggling. I have put a little more information down this time, any help is much ...
*Thursday, February 17, 2011 at 11:38am by Claire*

**Physics**

You can get the weight density in lb/ft^3 directly by dividing 3370 by 20. That would give you 168.5 lb/ft^3. The density of water in the same units is 62.4 lb/ft^3. Therefore the specific gravity (or mass density in g/cm^3) is 168.5/62.4 = 2.70. In kg/m^3 it is 2.7*10^3. In N...
*Wednesday, July 9, 2008 at 10:48am by drwls*

**chemistry**

Kc = [Na+][Cl-]/[NaCl(s)] The above equation contains the concentration of NaCl in solid NaCl. This concentration is related to the density of solid NaCl and its molar mass. Since the density of NaCl or of any pure solid or pure liquid does not vary with the extent of a ...
*Tuesday, July 21, 2009 at 3:10pm by jessica*

**Prin of Technology**

Density = mass/volume Make sure that you convert into equivalent units. In other words, do you want to express the density in terms of grams/cm^3 (cubic centimeter)? I hope this helps. Thanks for asking.
*Wednesday, October 10, 2007 at 10:51pm by PsyDAG*

**science**

what is the formula and answer for the following question... The density of Sprite is o.45g and the density of Pepsi is 2.4g. Both have a volume of 4 cm(cubed) What is the mass of both sodas?
*Wednesday, September 26, 2007 at 8:37pm by help me!*

**Chemistry**

mass=35.64 g volumes = 3.39 ml use Density = mass/volume but I think you can see which metal it is with out calculating the density.
*Monday, October 12, 2009 at 2:03am by Dr Russ*

**physics**

(water density)*g*depth = 1.6 x 10^7 n/m^2 You know the density and g. Solve for depth. Why do you bother changing names with each post? I consider it annoying, and am less likely to help students who keep doing it.
*Sunday, December 13, 2009 at 8:46am by drwls*

**gr.11 physics help!**

When an iceberg floats in the ocean, what fraction of it is visible?( The relative density of ice is 0.92, and hte relative density of sea water is 1.03)
*Wednesday, January 6, 2010 at 10:52pm by Andy*

**materials science**

Consider a copper lattice with an excessive average of one vacancy in every 100 unit cells. What will be its density? Compare this to the theoretical density of copper.
*Monday, January 30, 2012 at 7:23pm by Bob*

**physics**

a ball of mass of 4kg,of density 4000kg/m3 is completely immersed in water of density 1000kg/m3.find the force of buoyancy.[g=10m/s2]
*Tuesday, October 23, 2012 at 11:45am by keerthiga*

**college chemistry**

for my lab i used 2.0mL of NaOH solution and it doesnt have a density in (g/mL)... is there still a way to calculate the moles to it? unless there is a density to NaOH
*Tuesday, March 19, 2013 at 9:33pm by Anonymous*

**English_ Language of the media**

We had to answer some questions about advertising and choose an ad off TV and out on a magazine to do it on. I did a shampoo ad on TV and a purfume ad in a magazine but i dont get the questions 8 and 9: 8- What are some of the explict values and attitudes assumed to be shared ...
*Sunday, July 30, 2006 at 4:14am by Stacey*

**college chemistry**

How many megajoules are released when 9.0 gal of gasoline burns. how do I start to do this problem, and what are the steps to get there. thank you
*Saturday, February 1, 2014 at 11:51am by Linda*

**Physics**

(a) air density x volume (If you want it in Newtons, also multiply by g) (b)net force = balloon weight (empty) + helium weight - buoyant force = balloon weight (empty) -(air density - helim density)*Volume
*Thursday, March 4, 2010 at 7:12pm by drwls*

**Science**

I did a science experiment on batteries. I ran five brands of AA Alkaline batteries until they would no longer run a small light bulb. I measured the voltage of each battery every hour. I did this experiment four times using the same type of light bulb and the same brand of ...
*Sunday, February 17, 2008 at 1:04pm by Leah*

**physics**

That is a little fast for a fully loaded 737, but I'm not buying one, so it doesn't matter! Hint: convert all quantities to consistent units, in this case, in metres and seconds. For example, Final speed, v1 =250 km/hr = 250 *1000m / 3600 s Acceleration, a = 3.3 m/s² Time...
*Monday, September 20, 2010 at 3:53pm by MathMate*

**physics**

weight is volume*density*g g is 9.8N/kg density is kg/m^3
*Friday, September 14, 2007 at 8:50am by bobpursley*

**chemistry**

What's the density of a neutron? density x volume = mass volume = (4/3)*pi*r^3.
*Friday, May 4, 2012 at 6:34pm by DrBob222*

**Chemistry**

I don't believe it can be done without the density. I think 48% w/v can be done without density but not w/w.
*Saturday, February 8, 2014 at 2:46pm by DrBob222*

**HELP!! Chemistry**

1. Calculate the density of a material that has a mass of 52.497 g and a volume of 18.5 cm3. 2. A student finds a rock on the way to school. In the laboratory he determines that the volume of the rock is 29.7 cm3, and the mass in 139.943 g. What is the density of the rock? 3. ...
*Wednesday, October 23, 2013 at 11:54am by _Unknown*

**astronomy**

Mars has a mean density less than the mean density of the Earth's mantle. How is it possible that Mars could have a metallic core given this fact? Hint: No calculations are required. Compare the densities used in part a) with the density of mantle rocks like basalt at one ...
*Thursday, November 26, 2009 at 2:54am by o_O rion*

**chem**

Does density of a substance change when the volume of the substance change? For example, if I had 10 mL of water and it has the density of 1g/mL will the density change if I had 20 mL of water instead?
*Monday, February 16, 2009 at 8:46pm by henry*

**math **

will someone check my work please?A virus scanning program is checking every file for viruses. It has completed checking 40% of the files in 300 seconds. How long should it take to check all the files? 950 seconds Gasoline accounts for 85% of the motor fuel consumed in the ...
*Wednesday, September 30, 2009 at 9:05pm by callie*

**physics help**

Weight = (Air Density)*Volume*g Volume = (base area) x Height The density of air that they told you to use is wrong. Are you sure you copied it correctly? It should be about 1.29 kg/m^3 I have my doubts about the quality of the physics education you are getting. They gave you ...
*Sunday, March 20, 2011 at 10:53pm by drwls*

**Math(Please help, thank you)**

I am trying to calculate my percent error for an experiment conducted. I need to compare my average density calculated to the accepted average density but I am having trouble doing this because of the conversions. My average density was 0.12 g/mm^3. The accepted value is for ...
*Wednesday, August 29, 2012 at 1:55pm by Hannah*

**electric physics**

change km/s to cm/s, then multiply density given times speed. Current = current density*area crosssection earth/charge per proton
*Tuesday, April 14, 2009 at 7:50am by bobpursley*

**Chemistry II**

what is the molar mass of a gaseous organic compound with a density of 3.38 g/L at 40oC and a pressure of 1.97 atm? Ok, I am little confused because I am not sure of where to plug in the density and the atm?
*Wednesday, September 2, 2009 at 12:37am by Michelle*

**Chemistry**

PM = d*RT P is pressure in atm. M = molar mass of the gas. d = density R = 0.08206 L*atm T is Kelvin T = 273 + 22 = ?? Density (grams/liter) is the only unknown.
*Monday, April 5, 2010 at 9:07pm by DrBob222*

**Chemistry**

The density of a gas containing chlorine and oxygen has a density of 2.875 g/L at 754.5 mm Hg and 11(degress C). What is the most likely molecular formula of the gas?
*Monday, March 28, 2011 at 9:02pm by Toni Jones*

**physics**

Multipy the moon's volume (4*pi*R^3/3)by the average density. You should learn to use scientific notation for big numbers. R = 1.76*10^6 m density = 4*10^3 kg/m^3
*Thursday, May 26, 2011 at 12:37pm by drwls*

**Chem**

The density of gas containing chlorine and oxygen has density of 2.875 g/l at 756.0 mm Hg and 11 degrees Celsius what is the most likely molecular formula of the gas?
*Monday, March 11, 2013 at 12:10am by Anonymous*

**help**

density of water = 1kg/l, so water = 10kg density of oil depends on the kind of oil, but is usually less than water, so the oil is less than 10kg. doesn't matter what the density of gold is, since you have 10 kg. So, it's a tie between water and gold: 10kg each.
*Thursday, November 3, 2011 at 10:56am by Steve*

**Chemistry**

Density of a metal cube of dimension 10 inches X 10 inches x 10 inches is 8.05g/cm3. What is its mass? 10inches? isnt that 25 cm? So get the volume in cm^3 by multiplying the three dimensions in cm. Multipy that volume by density. Mass= density*volume
*Sunday, June 10, 2007 at 2:49pm by Brooke*

**World History**

You also have to keep in mind that, if there was no written language in those areas, it's unlikely there were records kept. If there were no written language for a particular period of time in a particular geographical area, anything written would probably be someone's ...
*Monday, November 12, 2007 at 8:42pm by Writeacher*

**physics**

There is no particular reason that a beam of ions of a particular element should not contain nucleii with different atomic masses (number of neutrons). In fact such a beam passed through a magnetic field would separate the isotopes into separate beams, thereby allowing you to ...
*Sunday, November 14, 2010 at 4:42pm by Damon*

**math**

Population growth, enrollment of universities, cost of gasoline, NY stock exchange index, etc.
*Thursday, August 13, 2009 at 5:24pm by MathMate*

**chemistry**

1. Which of the following is a homogeneous mixture? a. Diamond b. A smoke cloud c. Ethanol d. Gasoline e. Muddy wate
*Tuesday, May 17, 2011 at 9:50pm by James*

**chemistry**

What mass of sucrose should be combined with 491 g of water to make a solution with an osmotic pressure of 8.70 atm at 270 K? (Assume the density of the solution to be equal to the density of the solvent.)
*Thursday, August 5, 2010 at 3:32pm by ashley*

**Chemistry HELP! IMLOST**

The density of a gas containing chlorine and oxygen has a density of 2.875 g/L at 754.5 mm Hg and 11(degress C). What is the most likely molecular formula of the gas?
*Monday, March 28, 2011 at 3:21pm by Toni Jones*

**H. CHemistry**

if the atmosphere can support a column of mercury 760 mm high at sea level, what height of a hypothetical liquid whose density is 1.40 times the density of mercury could supported?
*Wednesday, January 30, 2013 at 6:13pm by Jenna*

**physics- electricity**

300 x 70 = 21,000 Watt-hours = 2.1 kWh is the stored battery energy Gasoline contains 45.8 MJ/kg of chemical energy, but only about 1/3 of that is available as work, due to the second law of thermodynamics. (See http://physics.info/energy-chemical/) 1 kW*h = 3600 *1000 = 3.6*...
*Wednesday, February 27, 2013 at 11:37am by drwls*

**chemistry**

Calculate the molar mass of a gas if 0.805g of this gas has a pressure of 4.00 bars at 305K in a 1 L. What is the gas density at this T and P, and what is the density at STP
*Friday, September 11, 2009 at 2:07pm by john*

**english - help**

Here are some sites that may give you some ideas. However, that is the very question that all economists are looking for the answer to. http://www.google.com/search?hl=en&ie=ISO-8859-1&q=the+rising+cost+of+food+and+gasoline+in+the+United+states&btnG=Google+Search
*Sunday, June 8, 2008 at 12:56pm by GuruBlue*

**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 exactly what you were ...
*Monday, August 21, 2006 at 9:46pm by Anne*

**chemistry**

Most solids float if their density is less than that of the fluid. Therefore, the 0.67 piece of wood will float and the other one will sink. Note: the reason I said "most" above, is that ships, which are made of steel, float and we know that the density of iron is much greater...
*Sunday, August 19, 2012 at 8:40pm by DrBob222*

**Apple Computer**

Apple has its own brand recognition now -- regardless of the origin of its name. We all know the visual logo.
*Monday, June 6, 2011 at 9:35pm by Ms. Sue*

**Physics**

The general gravitational attraction formula is F = GMm/r² from which g= F/m = GM/r² To find the value of acceleration on Venus relative to the value on earth, we have g*0.8140/(0.95)² =0.9g Density = mass / volume Since volume of a sphere is proportional to the...
*Sunday, October 11, 2009 at 10:00pm by MathMate*

**physics**

The density of liquid carbon dioxide is about 0.8 g/cm^3. What volume fraction inside the fire extinguisher (when it is full) is occupied by liquid CO2? The density of CO2 gas is negligible compared to the density of liquid CO2. Volume of fire extinguisher is 7.1*10^-3m^3; ...
*Tuesday, December 24, 2013 at 10:19am by Alice*

**Physics (please help!!!!)**

A car experiences rolling (tractive) friction with coecient of friction mut = 0.0200, and turbulent-flow (bv^2) drag, with drag coefficient CD = 0.300. The car has mass (including fuel, which is a negligible fraction of the total) M = 1000. kg and frontal cross-sectional area...
*Tuesday, April 12, 2011 at 6:15pm by Cecille*

**Physics (please help!!!!)**

car experiences rolling (tractive) friction with coecient of friction mut = 0.0200, and turbulent-flow (bv^2) drag, with drag coefficient CD = 0.300. The car has mass (including fuel, which is a negligible fraction of the total) M = 1000. kg and frontal cross-sectional area ...
*Tuesday, April 12, 2011 at 6:15pm by Cecille*

**Physics (please help!!!!)**

A car experiences rolling (tractive) friction with coecient of friction mut = 0.0200, and turbulent-flow (bv^2) drag, with drag coefficient CD = 0.300. The car has mass (including fuel, which is a negligible fraction of the total) M = 1000. kg and frontal cross-sectional area...
*Tuesday, April 12, 2011 at 8:56pm by Cecille*

**physics**

You will need to look up the density of marble. Divide the weight of the marble cylinder (in Newtons) by the base area (in m^2). This will equal (marble density)*height*g, in N/m^2
*Sunday, March 18, 2012 at 9:44pm by drwls*

**stats**

A company with a large fleet of cars hopes to keep gasoline costs down and sets a goal of attaining a fleet average of at least 26 miles per gallon. To see if the goal is being met they check the gasoline usage for 50 company trips chosen at random, finding a mean of 25.02 mpg...
*Wednesday, July 13, 2011 at 10:11am by GLEN*

**Chemistry**

Sea water contains an average of 270 ppm of sulfate ion. Calculate the molar concentration of sulfate given that the average density of sea water is 1.02 g/ml. -At first i tried assuming that density is 1.00 g/ml which is a common practice in ppm problems but the answer is ...
*Wednesday, June 12, 2013 at 8:54am by xavier*

**Thank you Ann (kinematics)**

Thank you Ann! I had the equations and really was closing in on the answer... (stopping for 23 s is what really got me confused) in either case, the displacement for a) is 888 m ! Now I'll try to calculate (b). Thank you much! P.S. This is in response to my earlier physics (...
*Wednesday, January 31, 2007 at 10:11pm by eric (new chem or physics prob. in)*

**physics**

V = L*W*h = 10 * 5 8 3 , = 150 m^3 = 1.50*10^8 cm^3 = Vol. of box. Db = 8*10^6g * (1/1.5*10^8cm^3) = 0.0533 g/cm^3 . = Density ofbox. Dw = 1g/cm^3 = Density of water. Vb = (Db/Dw)*V, Vb = (0.0533 / 1)*150 = 8 m^3 = Vol. below water = Vol. of water displaced. The box will float...
*Sunday, February 19, 2012 at 2:58pm by Henry*

**CHEMISTRY**

First part. You have subtracted correctly and MASS of the water in the flask is 248.4 grams. Then since mass = volume x density you can rearrange that to volume = mass/density mass = 248.4g and density of the H2O is 1 g/mL (from the problem), then 248.4g/1 g/mL so volume is ...
*Friday, March 28, 2014 at 1:01am by DrBob222*

**Physics. Free electron density, please help!**

Compute the current I using Ohm's law. The flux of free electrons F is the free electron density tomes the drift velocity v. If you multiply this flux by the electron charge and the cross section, you get the current. By equating this with what you get from Ohm's law, you can ...
*Wednesday, November 21, 2012 at 11:38pm by Count Iblis*

**science**

Mercury is a liquid metal with a mass density of 13.6g/cm. What is the mass of 10.0 centimeters cubed of mercury? Your units for the mass density should be g/cm^3. To get the mass of any volume V, multiply the mass density by V. In your case, the Volume is V = 10.0 cm^3 You ...
*Wednesday, March 28, 2007 at 12:28am by Amber Smith*

**chemistry**

Knowing the density alone cannot tell you the molarity of the solution unless you have a lookup table of density vs. molarity, based upon previous measurements. The % by mass of NaI is not irrelevant.
*Sunday, November 11, 2007 at 11:06am by drwls*

**science EASY but help plz**

density of syrup = 41.4/45 = .92 density of glycerin = 75.4/90 = .838 the glycerin is less dense and old Archimedes will float it up to the surface
*Friday, December 12, 2008 at 4:20pm by Damon*

**Chemistry**

1 km = 1000 m; therefore, 1 km^3 = 1,000^3 m^3 Do the other factors the same way. Look up the density of sea water. mass = volume x density. Post your work if you get stuck.
*Thursday, January 22, 2009 at 10:38am by DrBob222*

**college chem**

What mass of sucrose should be combined with 524 g of water to make a solution with an osmotic pressure of 8.50 atm at 270 K? (Assume the density of the solution to be equal to the density of the solvent.)
*Sunday, September 12, 2010 at 8:54pm by moe*

**Chemistry**

Use a modified gas law of PV = nRT modified to be PM = dRT. P is pressure in atm, M is molar mass H2O, d is density (units of g/L), R is 0.08206 and T is in kelvin. Solve for density.
*Sunday, July 10, 2011 at 11:10pm by DrBob222*

**College Physics**

assuming that sea water has a density of 1.05 g/cm^3, what is the density of a submarine running submerged? wouldn't you need to know some other information; like the mass or volume of the submarine?
*Monday, November 21, 2011 at 10:49pm by Amy*

**physics**

The weight of the atmosphere above 1 m^2 of Earth's surface is about 100,000 N. Density, of course, becomes less with altitude. But suppose the density of air were a constant 1.2 kg/m/s^3. Calculate where the top of the atmosphere would be.
*Saturday, March 31, 2012 at 9:28am by C*

**Biomaterials**

What is the theoretical density of tantalum (Ta) with the following characteristics: Crystal structure: BCC Atomic radius: 14.6 Angstroms Atomic weight: 180.9 g/mol density needs to be in g/cm^3
*Tuesday, May 22, 2012 at 10:23pm by Nate*

**Physics**

An infinitely long line of charge has linear charge density ë. Find the energy density of the electric field at a point a radial distance r from the wire. (Use the following as necessary: å0, ë, r.)
*Saturday, August 31, 2013 at 4:20am by Lily*

**Science**

1. The surface tension in a cup of water is caused by ____. (1 point)attractive forces between the water and its container attractive forces between water molecules adhesive forces between water molecules adhesive forces between the water and its container 2. The measure of ...
*Wednesday, April 11, 2012 at 11:29am by jhai9*

**Population Density - Geo**

how would i do it in population density though??
*Sunday, October 26, 2008 at 7:17pm by Jasmine*

**chemistry**

Calculate the number of grams of reactant left over when 28.35 grams of silver reacts with 50.0 liters of air at STP which is 20.9476 % oxygen by volume. The density of air at STP is 1.292 g/L. attemtp at solution volume of oxygen= .209476*50L=10.5L How do i go from volume of ...
*Saturday, November 8, 2008 at 1:52pm by jason*

**Geometry**

Weight = density x volume Just multiply the density (in lb/in^3) by the hailstone volume in cubic inches. You will need to remember that volume of a sphere of diameter D is V = (pi/6)D^3
*Thursday, March 4, 2010 at 11:19pm by drwls*

**PHYSICS URGENT DUE IN 15 MINUTES**

The figure below (a) shows a sphere with a radius of r = 157 mm (density ñ = 1.24 g/cm³) suspended in water by a string. The ball is completely submerged in the water and the string is attached from the bottom of the water tank to the bottom of the sphere. What is the tension ...
*Thursday, March 24, 2011 at 11:06pm by Anonymous*

**sCIENCE PLZZZZZZZZ HELP**

1. The surface tension in a cup of water is caused by ____. (1 point)attractive forces between the water and its container attractive forces between water molecules adhesive forces between water molecules adhesive forces between the water and its container 2. The measure of ...
*Wednesday, April 11, 2012 at 12:04pm by jhai9*

**Critical Thinking**

There are four combinations: A: universal affirmative All A’s are B’s E: universal negative No A’s are B’s I: particular affirmative Some A’s are B’s O: particular negative Some A’s are not B’s
*Monday, January 24, 2011 at 9:41am by SueAnn*

**Calculus**

Find the particular solution of the differential equation particular solution of the differential equation dy/dx=(x−7)e^(−2y).
*Friday, November 15, 2013 at 1:36pm by Robin *

**Chemistry**

look up the densities of the materials involved using equal volumes, greater density --> greater mass using equal masses, greater density --> less volume because mass(g) = density(g/ml) * volume(ml)
*Tuesday, September 4, 2012 at 1:47am by Steve*

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