Saturday

April 19, 2014

April 19, 2014

Number of results: 60,614

**science (density)**

1) mass=100g, volume=10ml,density= 2) volume=7ml, mass=70g, density= 3) mass=50g, volume=10cm3, density= 4) volume=30cm3,mas=90g,density= 5) mass=120,volume=6ml,density= Thanks everyone i apresheate your help.
*Thursday, October 9, 2008 at 4:29pm by Carly*

**science (density)**

1) mass=100g, volume=10ml,density= 2) volume=7ml, mass=70g, density= 3) mass=50g, volume=10cm3, density= 4) volume=30cm3,mas=90g,density= 5) mass=120,volume=6ml,density= Thanks everyone i apresheate your help.
*Thursday, October 9, 2008 at 4:37pm by Carly*

**science/math please help**

density = mass/volume density = 500 / 250 density = 2 g/mL
*Tuesday, August 23, 2011 at 1:53am by Jai*

**physical science**

Calculate the density of the object. density = mass/volume. You have the mass, the volume of a cube is side^3 so that is 5^3 or 125 cm^3. If the density is greater than the density of water it will sink; otherwise, it will float.
*Wednesday, April 15, 2009 at 8:00pm by DrBob222*

**science**

Find the Density, which is equal to mass/volume, and use the equation density of the block/ density of water. If the density of the block is lower than water, then it will float, if not then it will sink or be submerged. To calculate the density of the block take the weight ...
*Thursday, January 17, 2013 at 9:15pm by Devron*

**SCIENCE?CHEMISTRY*****

The volumes are the same. Volume in mass divided by density. (mass/density) of mercury = (mass/density) of alcohol Alcohol mass = [(alcohol density)/(mercury density)]*(mecury mass) = (0.900/13.6)*20 = 1.324 g Rouded to two figures, that is 1.32 g
*Friday, May 14, 2010 at 9:49pm by drwls*

**science**

"shakhenbi" is not a subject, at least not in English. First compute the density: mass/volume It will be about 2.7 g/cm^3 There are many materials with that density. Among metals, one of the most abundant with that density is aluminum.
*Friday, August 19, 2011 at 1:16pm by drwls*

**science**

Personally, I don't think using density as a guide for buying cereal is worth the time it takes to estimate the density. Cereal is sold by the weight, not density. It may be true that cereal with a high density makes one feel full where a lower density cereal doesn't. Perhaps ...
*Saturday, January 9, 2010 at 1:11pm by DrBob222*

**science**

density is not 1 gram. Density is 1gram/cm^3. It does not change with how much there is. The density of the ocean is 1g/cm^3. The density of a 10kg mass is 1g/cm^3
*Monday, October 4, 2010 at 5:37pm by bobpursley*

**science(physics)**

Density is the ratio of mass to volume. Mercury has a density of 1.36 x 10^4 kg/m^3. What is the density of mercury in units of g/cm^3?
*Wednesday, September 5, 2007 at 10:07am by jen*

**science**

Yes, you would be calculating the density. Since mass = volume x density, that can be rearranged to density - mass/volume. Just plug in the mass and the volume to determine density, then use tables to identify the metal.
*Tuesday, September 29, 2009 at 4:41pm by DrBob222*

**8th grade science**

density = mass divided by volume. volume is the 10 liters and mass is the 8.20 kg. you take it on from there. AND the smaller the density, the more it will float, the larger the density, the more it will sink. so if the density of the crude oil is smaller than the water, it ...
*Wednesday, March 24, 2010 at 9:41pm by blaise*

**science**

Vo = 9.8mL * 1cm^3/mL = 9.8 cm^3 = Vol.of the object. Do = 12.5g/9.8cm^3=1.28 g/cm^3.=Density of the object. Density of water = 1 g/cm^3. Therefore, the object will sink; because its' density is greater than the density of water.
*Friday, March 1, 2013 at 11:51am by Henry*

**science plzzz help**

The purpose of this question is for you to calculate the density of the objects and compare their density to that of water. If less than water the object will float, if more than water the object will sink. density = mass/volume You have mass and volume of each. Calculate ...
*Sunday, September 21, 2008 at 2:53pm by DrBob222*

**science**

You need to clarify the question. Density is measured in mass/unit volume. You have the mass listed for each but no volume; i.e., the density of Sprite is 0.45 g/??cc (whatever that may be) and the density of Pepsi is 2.5 g/??cc (whatever that value may be). I suspect you may ...
*Wednesday, September 26, 2007 at 8:37pm by DrBob222*

**gr9 science**

density = mass/volume = 277/35.5 = ??g/cc.If the density is greater than the density of water (1.00 g/cc) it will sink. If it is higher than 1.00 it will sink. Mercury has a density of 13.6 g/cc so steel will ??? in mercury.
*Wednesday, September 23, 2009 at 8:56pm by DrBob222*

**physical science**

Use density. volume= Length*thickness*width mass= density*volume 156kg=densitysteel*length*thickness*width length= 156kg/(density*thickness*width) look up density of steel. Watch units. thickenss is in mm,width is in cm, density will be in whateverunits.
*Sunday, October 16, 2011 at 6:31pm by bobpursley*

**Physical Science**

volume = length x width x height = ?cc. mass H2O = volume x density. You don't have density listed; I assume the author of the problem wants you to assume the density of water as 1.00 g/mL.
*Wednesday, September 12, 2012 at 9:29pm by DrBob222*

**Science**

Density is another property of matter. Oftenly we describe density as the mass per unit volume of a substance. It is a constant property of a subtance no matter how much of the subtance is present. There is no device to measure density- it can only be calculated. The following...
*Tuesday, April 6, 2010 at 7:42pm by Anonymous*

**science**

Density Formula The formula for density is d = density m = mass v = volume
*Sunday, September 18, 2011 at 6:31pm by HM*

**science**

D: density M: mass V: volume D=M/V therefore, the density is 64/16=4
*Sunday, October 21, 2012 at 9:16pm by Noelle*

**Physical Science**

An object will float if its density is =< the density of the fluid.
*Wednesday, April 17, 2013 at 8:08pm by Henry *

**Physical Science**

Yes, if you know its density. It floats if the density is less than that of the fluid.
*Saturday, March 28, 2009 at 12:21pm by drwls*

**science**

you need to compare density, and density is mass/volume
*Thursday, September 26, 2013 at 6:44pm by bobpursley*

**science**

density = mass(g) divided by volume(cm^3) so, the density is 12g/(3cm)^3
*Thursday, October 11, 2012 at 10:13pm by Steve*

**Science**

What is the mass of 15mL sample of mercury? Look up the density of mercury. mass = volume x density. Make sure the density is in g/mL. If it isn't you will need to convert it. One place to find density of mercury is at www.webelements.com and click on element #80. I don't ...
*Thursday, November 16, 2006 at 6:11pm by Crystal*

**Science**

density = mass / volume if you don't change the amount or add weight, then it has no affect on the density.
*Wednesday, April 3, 2013 at 7:09pm by Joyy*

**Science**

1 kgm = 1000gm density = mass/volume density = (2.563 * 1000)/(6 * 9 * 20) = ?
*Sunday, October 27, 2013 at 5:52pm by PsyDAG*

**Science**

If the density of a steel hammer 7gm/cm on earth what would the density be on a spaceship?
*Thursday, March 20, 2014 at 5:27pm by Mark*

**Science**

The formula for density is... density= mass/volume So yes you would divide 6773 g/500 mL!
*Sunday, October 23, 2011 at 3:53pm by Hannah*

**science**

They tell you the density at the temperature in question. Mass is density times volume. Have you learned that yet?
*Thursday, August 11, 2011 at 8:48am by drwls*

**science (density)**

density=mass/volume
*Thursday, October 9, 2008 at 4:37pm by bobpursley*

**science**

Probably Neanderthals first noticed the density of things around them. The Greek Archimedes is credited with being the first to measure density. http://en.wikipedia.org/wiki/Density
*Thursday, December 27, 2012 at 11:31am by Ms. Sue*

**Science-Chemistry**

The idea in the first question is to reason through it. What do we know about mass, volume, density? Since mass = volume x density, then volume = mass/density; therefore, the highest density will be the smallest volume and the lowest density will have the largest volume. right...
*Tuesday, April 27, 2010 at 11:59pm by DrBob222*

**physics**

Height will be proportional to g, and pressure, and inversely to density. Height=k g * P/density At Earth 2185mm=k g 101.3kPa/density at X 725mm=k *g/4 * PressureX/density Divide the top equation into the bottom.. 725/2185=1/4 * PressureX that gives you pressurex Now for ...
*Tuesday, November 13, 2007 at 7:57pm by bobpursley*

**pysical science**

Density is mass divided by volume. Do the division 60.75/45. The number you get will be the density in g/ml
*Thursday, May 12, 2011 at 2:48pm by drwls*

**Science**

density = mass/volume Ignore all of those other numbers and the density will have units of kg/m^3
*Thursday, October 3, 2013 at 7:31pm by DrBob222*

**science**

Calculate the density of sulfur hexafluoride gas at 703 torr and 23°C. density is mass/volume so how do i get those from what i am given? also ) Calculate the molar mass of a vapor that has a density of 6.735 g/L at 11°C and 743 torr.
*Saturday, December 15, 2012 at 8:18pm by Samantha*

**Physical science**

Find the density of the following.1.a stone with mass 10kg and occupies a space of 4m per meter cube
*Wednesday, September 26, 2012 at 9:25pm by density*

**chemistry**

Determine the density of each. density = mass/volume. The liquid with a density less than 1.00 (the density of water) will float.
*Saturday, June 25, 2011 at 10:18pm by DrBob222*

**Science**

The units of density are g/cm^3, not g/cm. The answer to your question is "no". Since Volume = Mass/(density), you need to know more than density to get mass or volume.
*Sunday, October 28, 2007 at 4:39pm by drwls*

**Science ~CHECK MY WORK PLEASE~**

Increasing the density makes it sink. mass = volume x density or density = mass/volume. Increasing v decreases d.
*Tuesday, January 28, 2014 at 3:24pm by DrBob222*

**Physics i.e science**

assume the volume is V density water=85/V V=85/densitywater density kero=75/V density kero=75*densitywater/85 but density water=1gm/cc so do the figuring.
*Tuesday, February 14, 2012 at 8:48am by bobpursley*

**Science (Chemistry)**

The Average density of Earth is 5.52g/cm^3. What is its density in a. kg/m^3 b. lb/ft^3. Please help me set up these equations. Thank you!
*Monday, June 13, 2011 at 4:16pm by Grace*

**science/density**

which is the greater density? a)1 b)1.8 c)3 D)2.7
*Thursday, October 23, 2008 at 8:14pm by bianca*

**logan high school (science)**

They probably expect you to compute a "weighted mean" density that is 80.5% of the copper density PLUS 19.5% of the zinc density. However, in the real world, a slightly different value is possible. The intramolecular forces and atom spacing in alloys of metals that dissolve in...
*Tuesday, February 16, 2010 at 12:53am by drwls*

**physics**

a) How far does it have to fall? Assume one meter. Don't forget there is a buoyancy effect. Net downward force is [1.05*density)*V - (density)*V]*g = M*a = (1.05)*density*a "density" is ambient density a = (0.05/1.05) g = 0.47 m/s^2 (1/2) a t^2 = 1 m when t^2 = (1 m)*(4.25 s^2...
*Sunday, May 8, 2011 at 11:28pm by drwls*

**Earth science**

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
*Saturday, January 12, 2013 at 10:28pm by ?*

**chemistry**

Density of water: 1.0 g/mL Principle: If an objects density is greater than water density, it will sink in water. If an object's density is lower than water density, it will float in water. Now, what will the liquid do? (I think you can figure it out from what I said above) If...
*Monday, September 1, 2008 at 12:55pm by ~christina~*

**science**

Density is the amount of matter contained within an object. For instance, a cannonball would have more density than a ping pong ball. Does this make sense?
*Wednesday, February 4, 2009 at 9:04pm by Emily*

**physics**

An object will float if its' density is less than the density of the fluid it is placed in. Density = 5.4g / 2.7cm^3 = 2g/cm^3. Density of water = 0.99g/cm^3. The object will not float , because its' density is greater than the density of water.
*Tuesday, May 17, 2011 at 1:47pm by Henry*

**Science ~CHECK MY WORK PLEASE~**

Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He decreased the density by ...
*Tuesday, January 28, 2014 at 3:24pm by Wendy*

**chemistry**

I would look up the density of the solvents. I would assume a density of 1.00 g/cc for water since the problem specifies a dilute solution, then compare the density of the solvent with the density of water. Density greater than water the solvent sinks. Density lower than water...
*Tuesday, September 23, 2008 at 5:25pm by DrBob222*

**science**

1) what is the mass of 10 cc of water? 2) why does a block of wood float on water? 3)how and why can density by used to identify an unknown substance? 4) describe the relationship between density, water, an d things that float please help me just need these answers to study ...
*Wednesday, June 17, 2009 at 6:18pm by matt*

**Science**

density=mass/volume Now a liter has 1000ml, so density=1000g/1000ml or 1g/ml
*Thursday, September 18, 2008 at 6:03pm by bobpursley*

**science**

mass = volume x density Plug in the numbers. Density is the only unknown. Volume of a cube is length^3 or 2 x 2 x 2.
*Tuesday, November 18, 2008 at 5:08pm by DrBob222*

**science, density**

The density of sea water is slightly higher than that of fresh water. The higher density is due to the fact that sea water contains salts such as sodium chloride and magnesium chloride. Suppose you have a container that holds 5.00 kg of fresh water, which has a density of 1.00...
*Tuesday, September 28, 2010 at 12:11am by lisa *

**gr9 science**

density= mass/volume so 277/35.5= 7.8028169 g/cm3... and water has a density of 1g/cm3 so it will not float in water... while mercury has a density of 13.6 g/cm3 so it will float in mercury... I'm in grade 8 but that was easy... ;)
*Wednesday, September 23, 2009 at 8:56pm by yomna*

**Science**

find the density of the two rocks. The jagged rock has a mass of 56 grams. this rock therefore has a density of ?
*Thursday, September 22, 2011 at 6:51pm by Anonymous*

**chemistry**

The general gas law equation, PV = nRT, can be modified for density, so that one can calculate density without actually going through n. P*molar mass = density*R*T. Remember T must be in K. Solve for density.
*Wednesday, November 30, 2011 at 3:17pm by DrBob222*

**science**

Which can has sugar in it? Have you weighted the two cans to find the weight? Density= weight/volume Figure out density on each.
*Sunday, November 28, 2010 at 6:59pm by bobpursley*

**science**

Would this be right? : Air moves from a region of higher density to a region of lower density. This movement is what creates wind.
*Tuesday, October 9, 2012 at 4:35pm by SoccerStar*

**science**

Bob Pursley is correct. To convert volume to mass, you need to know the density. To know the density to seven significant figures requires knowing the temperature. The density of PURE water is exactly 1000 kg/m^3 at 4 degrees C. At 20 degrees C ("room temperature") it is 998....
*Sunday, September 7, 2008 at 12:00am by drwls*

**science**

how many centimeters cube of olive oil of density 0.92g/ml have the same mass as 1.00L of gasoline of density 0.66g/ml?
*Monday, September 2, 2013 at 2:21pm by keziya*

**science**

1. the molar mass of helium is 4.00 g/mol. calculate the volume of 1 mol of helium at STP (T = 273, P = 1 atm) what is the density of helium at STP? 2. the density of an ideal gas is 1.35 kg/m^3. if the temperature is Kelvin and the pressure are both doubled, find teh new ...
*Wednesday, April 23, 2008 at 10:17pm by billystar*

**science**

Pencil will float. Conclusion: the density of the pencil is less than the density of water.
*Wednesday, September 17, 2008 at 8:11pm by bobpursley*

**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*

**Physical Science**

Do you not know how to rearrange these formulas. mass = volume x density. Let's use letters. m = v x d To solve for v, we want to get v on one side an everything eles on the other. How can we do that? m = v x d. We divide both sides by d. m/d = v*d/d m/d = v OR, if we wanted ...
*Thursday, November 29, 2007 at 12:00am by DrBob222*

**Science ASAP please**

1. Which of the following is an example of density? (1 point) ice floating on top of a river convection currents that cause wind oil spill cleanup all of the above 2. What type of property is density? (1 point) chemical property size-independent physical property all of the ...
*Tuesday, April 9, 2013 at 8:05pm by Delilah*

**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!*

**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*

**science**

first recall the density of water,, density is mass per unit volume,, the density of water is approximately 1 g/mL , therefore: d = m/V where m = mass in g, and V = volume in mL 1 = m/16 m = 16 grams so there,, :)
*Thursday, October 28, 2010 at 8:56am by jai*

**chemistry**

density = mass/volume Specific gravity is the same number (but no units) if you assume density of H2O = 1.00 g/mL. If you know the density of H2O at room T (I don't know what you're calling room T) then sp.g. = density substance @ T/density H2O at same T.
*Sunday, September 9, 2012 at 11:25pm by DrBob222*

**Science**

Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He decreased the density by ...
*Thursday, March 6, 2014 at 11:41pm by Steve*

**Science**

The densities of the Jovian planets are A. not more than about 0.5 times the density of water. B. not more than about 1.5 times the density of water. C. from 3.9 to 5.5 times the density of water. D. more than 5.5 times the density of water. Reset Selection
*Monday, October 1, 2012 at 12:39pm by Anonymous*

**Science**

Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He decreased the density by ...
*Friday, November 22, 2013 at 6:19am by Billy Jean Not Mah Lover*

**science**

The addition of salt to water increases the density of water. I would say that since density = mass/volume, the mass of the salt + the water is higher than the mass of the water alone and a larger numerator means a higher density.
*Wednesday, December 10, 2008 at 5:10pm by DrBob222*

**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*

**Physics**

All you need to answer that is the amount submerged in water, and the density of water. According to Archimedes Principle: (Water density) * 0.68 V = (wood density)* V Cancel out the V and use the density of water 1.00 g/cm^3 * 0.68 = wood density
*Tuesday, November 17, 2009 at 12:44am by drwls*

**Physics**

The density of the sphere is 1/2 of the density of water. But when oil is added to the water, the resulting solution has a density twice that of water. So the new density ratio is 1/4.
*Sunday, May 6, 2012 at 12:08am by Henry*

**Science**

As the number of racoons in a foest increases, the availablity of nesting sites limits population growth. This describes which of the following? A. A density-dependent factor. B. A density-independent factor. C. Intraspecific competitaion. D. Both A and C.
*Saturday, December 5, 2009 at 12:56pm by Kaled*

**8th grade science**

The densities of four different woods are shown below. Wood Sample Densities Type of wood: African Teakwood Density(g/cm3) 0.98 Type of wood: Balsa Density(g/cm3) 0.14 Type of wood: Cedar Density(g/cm3) 0.55 Type of wood: Ironwood Density(g/cm3) 1.23 Which wood will sink when ...
*Tuesday, April 3, 2012 at 7:52pm by Lana Grib*

**Science**

mass = volume x density. Rearrange to density = mass/volume You have been given the mass in grams and you are given the volume in cm3. Calculate density in g/cc. Show your work if you don't understand the next step OR explain in detail exactly what you don't understand.
*Thursday, September 6, 2007 at 7:05pm by DrBob222*

**Science 8R - Homework Qs. Check **

If an object has mass of 70.5g and a volume of 64 cm(3), what is its Density? Will it sink or float and why? Answer - The Density of this object is 4512g/cm(3). It will sink because the amount of grams is a lot. Is the answer correct and good???? I multiplied 70.5 and 64 in ...
*Monday, October 15, 2012 at 8:27pm by Laruen*

**science**

1.80 WHAT? Is that grams? Then the density is 1.80 g/L since 1 L has a mass of 1.80 grams. mass = volume x density. You have density and mass, solve for volume. Post your work if you get stuck.
*Wednesday, September 29, 2010 at 3:51pm by DrBob222*

**Science**

Yes, because the sugar (or fructose), citric and ascorbic acid dissolved in the water do not greatly increase the volume. Pulp content may lower the density but I still expect OJ density to be higher tnan pure water.
*Monday, January 24, 2011 at 6:12am by drwls*

**Science**

V = sqrt (E/rho) = sqrt[(Elasticity modulus)/(density)] Wave speed goes up with stiffness (E) and down with density (rho)
*Tuesday, June 10, 2008 at 7:32pm by drwls*

**science 8th grade**

I have toy with the density of 2.o g/cm3 ,I put it into tub with water density of 2.0 g/cm3 will the toy float or sink?
*Thursday, September 22, 2011 at 11:05am by J.a.y.*

**science**

volume = 1 g H2O/density @100 C = ? in cc if density is in g/cc. At 100 C, use PV = nRT to solve for V (in L). n = g/molar mass
*Saturday, September 1, 2012 at 1:36am by DrBob222*

**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?
*Wednesday, April 18, 2012 at 6:18pm by suevasha*

**science**

An empty relative density bottle weighs 25g.it weighs 65g when filled with a liquid and 75g when with water.caculate the density of the liquid.
*Thursday, January 31, 2013 at 6:07am by Samuel*

**earth science**

#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 2:52pm by ?*

**Science**

if a piece of copper has a mass of 20g and a volume of 10mL giving a density of 2g/mL, what happens to the density when the piece of copper is cut in half?
*Thursday, October 7, 2010 at 3:42pm by Jen*

**Physics i.e science**

A density bottle has a mass of 35g when empty, 85g when filled with water and 75g when filled with kerosene. Calculate the density of kerosene in g/cm3.
*Tuesday, February 14, 2012 at 8:48am by Abbie*

**grade 9 science**

volume= (15cm)(3cm)(5cm)=225cm^3 mass=24g density=mass/volume density=24/225=8/75g.cm^-3
*Monday, September 10, 2012 at 11:51pm by x-kid*

**science**

what is the density of liquid in a baloon that weighs 20N on a spring scale if the baloon has a volume of 0.75L what is the liquid density g/ml
*Thursday, September 13, 2012 at 4:31pm by Matt*

**science**

X needs to find the density of a cube. Each side of the cube measures 3 cm and the mass of the cube is 12 g. What is the approximate density of the cube.
*Thursday, October 11, 2012 at 10:13pm by jim*

**Science**

a piece of wood floats on liquid with 4/5 of its volume submerged.if the density of wood is 800 kg/m3 then the density of liquid is?
*Wednesday, June 26, 2013 at 9:58pm by Namrata*

**science**

I am SOOOO stuck on this science question!! It's not that hard but, science isn't my forte..... here it is...." If the mass of the brick is 50 grams and it's volume is 9cm cubed, calculate the density of the block using the formula D = m/v." HELP PLEASE!!!!
*Monday, December 13, 2010 at 9:00pm by Rachel Bond*

**science....help**

3.98 is the temperature of the water. Look up the density at 3.98 degrees C and compare THAT number with the density of each object. The density of water is about approximately 1.00 at the temperature but look it up to get the exact number.
*Sunday, September 21, 2008 at 3:40pm by DrBob222*

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