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August 30, 2014

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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.
October 9, 2008 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.
October 9, 2008 by Carly

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?
September 5, 2007 by jen

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 ...
November 16, 2006 by Crystal

Science
If the density of a steel hammer 7gm/cm on earth what would the density be on a spaceship?
March 20, 2014 by Mark

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!
June 13, 2011 by Grace

science
Calculate the density of sulfur hexafluoride gas at 703 torr and 23C. 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 11C and 743 torr.
December 15, 2012 by Samantha

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?
September 2, 2013 by keziya

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 ...
October 15, 2012 by Laruen

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...
September 28, 2010 by lisa

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 ...
August 21, 2006 by Anne

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 ...
June 17, 2009 by matt

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
January 12, 2013 by ?

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
January 13, 2013 by ?

Physical Science
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 choride and magnesium chloride. Suppose you have a container that holds 5.00 kg of freshwater, which has a density of 1.00 g...
August 24, 2010 by Spazzo

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 ...
January 28, 2014 by Wendy

Science
find the density of the two rocks. The jagged rock has a mass of 56 grams. this rock therefore has a density of ?
September 22, 2011 by Anonymous

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 ...
April 23, 2008 by billystar

science/density
which is the greater density? a)1 b)1.8 c)3 D)2.7
October 23, 2008 by bianca

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?
September 26, 2007 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.
January 30, 2012 by Bob

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!!!!
December 13, 2010 by Rachel Bond

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 ...
April 9, 2013 by Delilah

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 ...
March 28, 2007 by Amber Smith

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 ...
November 22, 2013 by Billy Jean Not Mah Lover

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 ...
March 6, 2014 by Steve

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.
December 5, 2009 by Kaled

8th grade science
a 10-liter sample of one type of crude oil has a mass of 8.20kg. What i the density? If this oil spilled on the ocean's surface, would it sink or float? explain answer in terms of density.
March 24, 2010 by sam

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 ...
April 3, 2012 by Lana Grib

science
I am doing a science project on density and buoyancy. What would be a good hypothesis for this topic?
January 19, 2008 by shay

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?
September 22, 2011 by J.a.y.

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?
April 18, 2012 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.
January 31, 2013 by Samuel

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.
February 14, 2012 by Abbie

science
Mercury, a metal that is liquid at room temperature, has a density 13.5 times the density of water. How many pennies could your boat hold if we were floating it in mercury instead of water?
January 14, 2014 by Samantha

Science
The question I have is based on air having a density of 0.0013(g/mL). What is the mass of 550mL of air? How do I use the formula Density = mass/volume to solve this problem?
March 22, 2008 by Sierra

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
October 1, 2012 by Anonymous

Physical Science
A hot dog bun (volume 240cm3) with a density of 0.15g/cm3 is crushed in a picnic cooler into a volume of 195cm3. What is the new density of the bun?
March 6, 2010 by Julie

Ecology
What are the types of population density measure and how each may be determined? Airkon Population density is a measurement of the number of people in an area. It is an average number. Population density is calculated by dividing the number of people by area. Population ...
October 8, 2006 by airkon

Science
The density of water is one gram per cubic cenitimeter. What is density of water in pounds per liter?
May 7, 2008 by Gabby

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
September 13, 2012 by Matt

chemisrty
can anybody give me the density of arsenic oxide at STP is this the correct formula volume = mass/ density thanks Yes, but if you want the density, it is density = mass/volume. The number I have seen floating around on this board is 17.8 g/L but the density of a gas and the ...
February 4, 2007 by bex

science
" Use the words mass, volume, and density to distinguish between gases, liquids, and solids in terms of the particle theory of matter." I don't understand what to do. Am I supposed to describe the mass, volume, and density of each fluid?
April 29, 2011 by Raluca

Chemistry
If the column of water in the water barometer fore to a height of 35ft, what would the atmospheric pressure be in mm Hg? mmH20X(density of water/density of Hg)= mmHg Density of water=0.99707 Density Hg=13.5340
February 11, 2011 by Brian

TO MS SUE SCIENCE HELP
These are my last 2 questions i need help on.... 1. to determine the density of an irregularly shaped object, a student immersed the object in 21.2 ml of water in a graduated cylinder, causing the level of the water to rise to 27.8 ml. If the object had a mass of 22.4 g, what ...
December 14, 2012 by SPIKE

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.
October 11, 2012 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?
June 26, 2013 by Namrata

chemistry
given the density of helium is 0.1785g/cm3 and the density of argon is 1.784g/cm.3 estimate the density of neon
October 28, 2012 by Jessa

Science
What is the mass of 10cc of aluminum? Mass= volume*density. You need to look up the density of aluminum.
November 7, 2006 by Marley

physical science
What is the density of a suitcase that has a mass of 25 g and a volume of 13 cm3? Formula: Density = Mass/Volume
April 11, 2013 by Anonymous

Chemistry
The mass of the earth is known to be about 5.98 X10^24kg assume that it is approx. spherical with an average diameter of 1.276X10^7 METERS. from these data calculate the average density of the earth(g/cm^3) could the earth be made mostly of water (density=1.00g/cm^3), abundant...
August 30, 2011 by ALISON

Physical Science
Most would expand, greater volume, lesser density. Density= mass/volume What would be true of the densities of most solids and liquids at a temperature higher than the quoted one?
January 9, 2007 by bobpursley

science
A relative density bottle has a mass of 40g when empty, 90g when filled with water and 80g when filled with oil. Calculate the relative density of the oil.
April 27, 2012 by isaac

Density
Can you identify a metal if you know its density? Explain It depends upon how accurately the density is determined. In some cases, especially where the "unknown" has a density that isn't close to another metal, yes, the density can identify the metal with a high degree of ...
August 29, 2006 by John

science
Calculate Density of Object. Mass of object 34g (picture of 2 G.C's object inside one water raised in the Graduated cylinder that the object is in....) initial volume- 35mL Final Volume- 38mL density of object____________ help!? pleasee!!! :)
September 29, 2009 by Jessa

science
If the density of a piece of wood and the density of water are exactly the same, how much of the piece of wood remains above the water if it has a thickness of 5cm?
February 13, 2011 by Logan

science
a 1kilogram mass of water has a density of 1gram What is the density of a 10kilogram mass of water
October 4, 2010 by shaqana

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...
February 12, 2009 by rachel

science
if an object's density is _ than fluid density, the object will _ .
March 1, 2012 by raven

Physical Science
Object A has a mass of 500g and a density of 5.0g/cm^3; object B had a mass of 650g and a density of 5.6g/cm^3. a. Which object will displace the most liquid? b. Could object A and object B be made of the same substance?
November 13, 2010 by Anonymous

SCIENCE?CHEMISTRY***
DR Bob, can you go thru the steps to work this out please.... how many grams of alcohol with a density of 0.900 g/cm ^3 (cm cubed) will have the same volume as 20.0g of mercury,with a density of 13.6 g/cm ^3 Do you have to find the volume of mercury first??? I know the answer ...
May 14, 2010 by ANDY

science
why doesn't density depend on size? If you cut a block in half, and put it in water, wouldn't the density change because I think half a block wouldn't sink all the way in water?
April 22, 2009 by Angie

Physical Science
A loaf of bread (volume 3200 cm3) with a density of 0.50 g/cm3 is crushed in the bottom of the grocery bag into a volume of 2400 cm3. What is the density of the mashed bread in g/cm3
August 23, 2014 by Rashida

Science
Consider a mole of CO2 and a mole of N2O each at STP. Which of the following statements are true? Check all that apply. ~Both gases will have approximately the same density at these conditions. ~When the volume is not held constant, raising the temperature will decrease the ...
April 14, 2011 by Laura

phy
Calculate the density for a rectangular block using the following measurements. Length: 2.70 cm, Width: 1.10 cm, Height: 9.09 cm, Mass: 72.17 g. Round your answer for density to 2 decimal places. Include the correct unit for density. Show your work
May 18, 2011 by irtaza

Science
Overpopulating rabbits in Australia were finally controlled by a disease spread trough the population. A higher death rate was recorded in regions with large population than small population. The disease can be considered.... A. A density-dependent factor. B. A density-...
December 5, 2009 by Kaled

science
a piece of wood that measures 3.0 cm by 4.0 cm by 5.0 cm has a mass of 90.og. what is the density of the wood? would the piece of wood float in water? remember the density of water is 1.00g/ml
June 21, 2011 by dylan

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 ...
April 11, 2012 by jhai9

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 ...
April 11, 2012 by jhai9

7th grade Science
How does the internal structures of earth's density compare to the lithosphere's density? It is a lot greater, a little greater, a lot smaller or a little smaller?
January 4, 2009 by Mary Grace

Science- physics
A balloon weighing 80 kg has a capacity of 1200 m3. If it is filled with helium, how great a payload can it support? The density of helium is 0.18 kg/m3 and the density of air is 1.30 kg/m3. Express your answer in Newtons. I know the answer is 12, 400 Newtons I just don't know...
October 23, 2011 by Hannah

science
(1) what measurements and what calculation would you need to make in order to determine the density of a rectangular wooden block? (2) a student announced that she had made a sample of a new material that had a density of 0.85g/cm3. from the inforation given, are you able to ...
March 29, 2011 by roy

7th grade science
a textbook has 2,000 g mass/ 4,000 cm to the 3rd pwr what is the density how do you figure this out I went home sick today and this is the homework I missed in class today. Can anybody tell me how to do this I have a work sheet on how to figure mass density and volume. Its due...
December 16, 2013 by Nickole

Science
How is density expressed
October 5, 2008 by Pat

science
wha is density?
September 16, 2009 by neily

science
what does density mean
February 17, 2010 by pavleen

Science
Define mass How much something weighs Define volume The amount of space in something Define density and show the formula for calculating density The amount of mass or matter in an object D=M/V
April 3, 2013 by Jerald

Physical Sciance
Calculate the density for a rectangular block using the following measurements, Length: 2.70cm, Width:1.10cm, Height: 9.09cm, Mass: 72.17g. Round your answer for density to 2 decimal places. Include the correct unit for density.
February 26, 2008 by Devin

Earth Science
Silver has a density of 10.5 g/cm cubed, and gold has a density of 19.3 g/cm cubed. Which would have the greater mass, 5cm cubed of silver or 5 cm cubed of gold?
January 17, 2014 by Bern

Science
Jake was doing a lab to find the density of metal. Here's his data: mass of the metal sample: 45 grams, volume of metal sample: 4.5 mL. Use his data to determine the density of the metal sample. Can you help? I don't get this.
October 7, 2010 by Haley

science
what is the formula for calculating density?
September 26, 2007 by jessicaB

Science
What is the relationship of temperature to density?
October 9, 2008 by Cyleste

Science
What is the formula for calculating density?
November 5, 2010 by Isla

science
what is density explian with exemples
August 30, 2011 by malli

science
What is the density of coconut oil?
March 13, 2011 by Mckey

Science
an object will sink with a density of what?
April 10, 2012 by Valerie Belegit

science
mass is 64.0 and volume is 16.0 what is the density?
October 21, 2012 by kenzie

Science
d) the density of gasoline is 0.703g/ml
November 29, 2012 by Teezee

science
who discovered the concept of density?
December 26, 2012 by Eduarda

science
does density affect weight?
July 19, 2014 by sara

Dobson
a)The element with the greatest density is osmium, which has a density of 22.6g/cm3. Calculate the mass of 32.1 cm3 of osmium. b)A team of students determined the density of a sample of wood to be 0.52 g/cm3. A handbook of chemistry reported the density of 0.548 g/cm3 for the ...
March 26, 2010 by Anonymous

Science
The galaxies in the universe are all flying away from each other. The speeds of nearby galaxies are proportional to the distance the galaxy is away from us. This relation, v=Hd is known as Hubble's law and the constant H is known as Hubble's constant. The evolution of our ...
May 20, 2013 by Abhishek Ranjan

chemistry
silver has density of 10.5 g/cm3 and gold has a density of 193.g/cm3 which liquid is denser silver and gold are liquids? That's news to me. You're given the ratios for density, which ratio is greater 10.5gm/cm^3 or 193gm/cm^3? It appears gold is over 18 times as dense as ...
September 10, 2006 by delonte

Chemistry
Can you convert density to moles? I am given the density of a substance [0.789 g/mL] but I need to know the number of moles for the equation. You cannot convert density to moles, unless you also know the volume and the molecular formula. (density) * Volume = mass = (# of moles...
December 28, 2006 by Alexandria

Science/Math
We have 30 grams of clay. We understand that Density=Mass/Volume. We understand that the Density of water is 1.0 and in order for the clay boat to float in the water Density needs to be less than 1.0. So my question is using 30 grams of clay what design will allow me to hold ...
April 24, 2011 by Paul

Science
I'm having another problem. These multiple choice questions confuse me. Can you please help again. The density of seawater is either greater than freswater, increases with increasing depth in the oceans, changes with changing temperature, increases with increasing salinity, or...
December 8, 2006 by Pat

science
what is the density of acylic and what is the scientific abbreviation?
September 1, 2008 by zohra

Science
Find the density of an 8lb weight?
September 15, 2008 by Kyle

science
How does density affect the speed of sound?
December 10, 2008 by Brad

science
what does density mean in an easy way..! thank u
February 4, 2009 by hellen

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