Friday

September 30, 2016
Number of results: 76,776

**chemistry**

A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.7 cm. Its mass is 1.3 kg. Calculate the density of the metal.

*August 27, 2010 by Mely*

**Chem**

A block of metal has a width of 3.2 , a length of 17.1 , and height of 4.8 . Its mass is 1.2 . Calculate the density of the metal.

*September 22, 2010 by Anonymous*

**chemistry**

A block of metal has a width of 3.2 , a length of 17.1 , and height of 4.8 . Its mass is 1.2 . Calculate the density of the metal.

*June 3, 2013 by sue*

**chemistry**

A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.6 cm . Its mass is 1.5 kg . Calculate the density of the metal.

*August 26, 2015 by sara*

**chemistry**

A block of metal has a width of 3.2cm, a length of 17.1 cm, and height of 5.2 cm. Its mass is 1.1 kg. Calculate the density of the metal

*September 11, 2010 by Javier*

**chem**

A block of metal has a width of 3.2cm, a length of 17.1cm, and height of 3.6 cm. Its mass is 1.3 kg. Calculate the density of the metal.

*September 7, 2011 by jake*

**chemistry**

A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 3.9cm . Its mass is 1.3kg . Calculate the density of the metal.

*September 1, 2013 by joe*

**Chemistry **

A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 5.8cm . Its mass is 1.5kg . Calculate the density of the metal.

*September 2, 2013 by Jenn*

**Chem**

A block of metal has a width of 3.2 cm , a length of 17.1 cm , and height of 5.2cm . Its mass is 1.2kg . Calculate the density of the metal

*September 12, 2013 by Jillian*

**Chem**

A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 4.3cm . Its mass is 1.2kg . Calculate the density of the metal.

*September 16, 2013 by Cf*

**Chemistry**

A block of metal has a width of 3.2 cm , a length of 17.1cm , and height of 5.8cm . Its mass is 1.5kg . Calculate the density of the metal.

*September 29, 2012 by Rae*

**chemistry**

a block of metal has a width of 3.2cm, a length of 17.1cm, and a height of 3.7cm. its mass is 1.3kg. calculate the density

*September 6, 2015 by keith*

**shakhenbi**

a block of metal has a length of 20cm, breadth 10cm and height 5cm. its mass is 2.7kg. find the density of the metal in g/cm3. find out what the block is made of.

*August 19, 2011 by tomba*

**physics**

a block of metal has a length of 20cm, breadth 10cm and height 5cm. its mass is 2.7kg. find the density of the metal in g/cm3. find out what the block is made of.

*August 19, 2011 by tomba*

**maths-urgent**

a metal block of length 4cm ,breadth 3cm and height 2.5 weighs 500g.what is the mass of a block of length 5cm,breadth 4cm made of the same metal.

*January 7, 2013 by manpreet*

**Fluid ''Physics''**

A block of metal floats in oil of density 700Kg/m3 with 3/4 of volume in mass. Find the density of metal.

*November 6, 2011 by Said *

**physics**

A flexible metal sheet of length 6.0cm, breadth 5.00cm and the average thickness of 0.883cm has a mass of 23.00g. calculate the density of the metal

*October 18, 2012 by betty*

**Chemistry**

A block of metal has a width of 3.2 , a length of 17.1 , and height of 5.8 WHAT is the VOLUME OF THE BLOCK?

*August 28, 2008 by Beth*

**Chemistry**

a cube of metal has a mass of 1.45 kg. when the metal is placed into a graduated cylinder containing 356mL of water, the volume increases to 898 mL. calculate the density of the metal in g/mL

*July 2, 2013 by Colby*

**Chemistry**

Block A of an unknown metal has a volume of 125cm^3 . Block B of a different metal has a volume of 145cm^3. If block A has a greater mass than block B, what can be said if the relative densities of two metal?

*January 18, 2013 by Quan*

**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*

**Chemistry**

How do you do this? A block of metal measuring 3.0 cm X 4.0 cm X 5.0 cm has a mass of 470.0g. What is the density of the metal in grams per cubic centimeter?

*October 16, 2011 by Miranda*

**Calculus**

Gloria would like to construct a box with volume of exactly 45ft^3 using only metal and wood. The metal costs $15/ft^2 and the wood costs $6/ft^2. If the wood is to go on the sides, the metal is to go on the top and bottom, and if the length of the base is to be 3 times the ...

*November 4, 2015 by Dave*

**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*

**Chemistry**

The Densities of Liquids and solids O.k. so here is my problem. I will give you the whole problem just incase my mistake is somewhere else, but the volume for the metal and the density for the metal in the end seem to be wrong. (Density of unknown liquid) Mass of empty flask ...

*August 22, 2007 by Sara*

**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*

**chemistry**

A block of metal is 6.88 cm long, 2.03 cm wide, and 1.85 cm high. It has a mass of 215.1 grams. What is the density of this metal. I've tried adding all the cm up and squaring them, dividing them, multiplying but i can't get the answer

*February 6, 2015 by paige*

**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*

**Chemistry**

mass of empty flask with stopper = 32.634 g mass of flask with water and stopper = 59.479 g density of the water = 0.9973 g/cm^3 mass of water = 26.845 g volume of water = 26.918 cm^3 the flask is then emptied and an unknown substance is added mass of flask with new liquid and...

*October 16, 2007 by Vanessa*

**college chem**

In this experiment a hot metal block at 100oC is added to cold water in a calorimeter. The heat lost by the metal block equals the heat gained by the water and the two end up at the same temperature. In one experiment, the mass of the metal block is 89.5 grams, the volume of ...

*October 8, 2009 by Sarah*

**Chemistry**

hmmm...I just can't seem to get it. It looks like I got it right up to the volume of the metal point. Don't I have to divide the mass of the metal by the density of the water given before? (0.9970)? I guess I am having a problem with this which results in the wrong answer for ...

*August 22, 2007 by Sara*

**Science**

Calculate:what is the density of a metal block that has a mass of 750 grams and a volume of 55 cubic centimeters?

*October 12, 2011 by Faith*

**Algebra 2**

A rain gutter is made by bending up the edges of a piece of metal of width 36 in. If the length of the piece of metal is 24 in., find the height that maximizes the volume. I need all of the steps to get to the answer.

*April 22, 2011 by Brandon*

**Physics**

1. The total length of a spring is 0.25 m. What it is unstretched and 0.30 m when a force of 17.82 N is applied to it. What will be the length when 26.72 N is applied to it? 2. A piller with a cross sectional area of 1.5 m^2 supports a portion of a building with a mass of 1.5 ...

*September 3, 2014 by Cielo*

**chemistry**

a block of metal with dimensions of 5.6 cm and 11 cmm weights 5.55 kg.what is the density of the metal

*February 6, 2015 by Anonymous*

**Chemistry**

If 72.4 kJ of heat is applied to a 95.2 g block of metal, the temperature of the metal increases by 10.7 C. Calculate the specific heat capacity of the metal in J/g C?

*May 4, 2011 by Mystery Mania*

**Physics**

A paladin howitzer fires a 46.00 kg projectile towards a 1000 kg metal block resting on a frictionless surface. Just before impact, the projectile is traveling with a horizontal velocity of 529 m/s. After the collision, the embedded projectile and the metal block move along ...

*February 2, 2015 by Samiboo711*

**Math**

A piece of metal is bent into a rectangle and has a length which is 5 times as long as its width. If the perimeter of the piece of metal is 13 feet 6 inches, find the length and the width of the piece of sheet metal. You must use a variable , write an equation and solve the ...

*May 16, 2008 by Jon*

**chemistry**

If a block of wood with the length 1.05 m, height 5.24 cm, and width 3.36 cm and a mass of 2.56 kg what is the density?

*April 12, 2009 by eve*

**chemistry**

A rectangular metal bar has a volume of 50.0 inches cubed.The Metal BaR weighs 1.42kg. Calculate the density of the metal in grams per cubic centimeter.

*October 12, 2009 by Kevin *

**physics**

a pieces of metal of mass 3.6kg is suspended from a spring balance, what is the reading of spring balance in newton, with a metal in air, with the metal in water, the metal in prime and what is the density in which it gives a reading of 33newton

*November 7, 2010 by fola*

**Chemistry**

O.k. I am confused. So here is what I did. Mass of empty flask plus stopper: 37.34g mass of stoppered flask plus water: 63.67g Mass of stoppered flask plus liquid: 52.01g Mass of water: 63.67 - 37.34= 26.33 Volume of Flask(density of H20 at 25*C, 0.9970 g/cm^3: (37.34g)/(0....

*August 22, 2007 by Sara*

**Physics**

Is this correct?? Metal block weighs 500g in air and 446g completely submerged in water. Calculate density and relative density. Density of water = 1000kg/m3 BF (Buoyant force) will be 500g-446g = 0.54 g (or 0.054 kg). For volume: If BF = Density(water)*V*g then V = BF/density...

*April 10, 2015 by Danny*

**Chemistry**

You discover a chunk of white shiny metal and want to know what it is made of. So, you have it analyzed by mass spectrometry and you see two peaks of different heights, according to the data shown below: Peak 1 - mass (amu): 106.90509 -relative peak height (%): 53.875% Peak 2...

*October 21, 2015 by Anonymous*

**chemistry**

Block A of an unknown metal has a volume of 125 cm3. Block B of a different metal has a volume of 145 cm3. If block A has a greater mass than block B, what can be said of the relative densities of the two metals? (Assume that both blocks are solid.)

*September 1, 2014 by lexie*

**Science**

a sample of an unknown metal has a mass of 21.6g and a volume of 8.00cm^3 . calculate the density of the unknown metal

*February 23, 2013 by Stefan*

**Honors Chemistry**

If 72.4 kJ of heat is supplied to a 752 g block of metal, the temperature of the metal increases by 9.95°C. Calculate the specific heat capacity of the metal in J/g·°C. I cannot find the information in my textbook, and I don't understand the equation needed to do the work on ...

*July 21, 2014 by Elisheva*

**chemistry**

What is the density of a block of unknown material with a mass of 19.07 g if the dimensions are: length = 3.1 cm height = 1.9 cm width = 4.6 cm

*September 24, 2012 by danyae*

**chemistry**

What is the density of a block of unknown material with a mass of 15.86 g if the dimensions are: length = 2.2 cm height = 1.7 cm width = 4.8 cm

*February 19, 2013 by kim*

**science**

What is the density of a block of unknown material with a mass of 13.26 g if the dimensions are: length = 2.2 cm height = 1.7 cm width = 4.1 cm

*February 20, 2013 by mariam*

**chemistry**

What is the density of a block of unknown material with a mass of 13.26 g if the dimensions are: length = 2.2 cm height = 1.7 cm width = 4.1 cm

*February 20, 2013 by mariam*

**chemistry**

What is the density of a block of unknown material with a mass of 17.02 g if the dimensions are: length = 2.2 cm height = 1.7 cm width = 2.7 cm

*February 16, 2014 by malb2*

**physical science**

a piece of metal has a mass of 85 cg and a volume of 450L. What is its density in g/cm^3? What would be the mass of 300cm^3 of this metal? What would be the volume of 200 ounces of this metal?

*March 3, 2016 by anita*

**chemistry, i need help like a.s.a.p!!!!**

What is the density of a block of unknown material with a mass of 19.07 g if the dimensions are: length = 3.1 cm height = 1.9 cm width = 4.6 cm

*September 24, 2012 by danyae*

**physics**

A cylindrical tube open at both ends is made of metal. The internal diameter of the tube is 11.2 cm and its length is 21 cm. The metal every where is 0.4 cm thick. Calculate the volume of the metal correct to 1 place of decimal

*February 16, 2013 by suhani*

**physics**

A cylindrical tube open at both ends is made of metal. The internal diameter of the tube is 11.2 cm and its length is 21 cm. The metal every where is 0.4 cm thick. Calculate the volume of the metal correct to 1 place of decimal

*February 16, 2013 by suhani*

**physics**

A spinal spring,loaded with a piece of metal,extends by 10.5cm in air.When the metal is fully submerged in water,the spring extends by 6.8cm.Calculate the relative density of the metal using Hooke's law

*June 6, 2016 by frank*

**math**

a metal cutter was accurate to the nearest micron.about how many pieces of metal 0.8188 centimeters long could the metal cutter cut from a 32.253 length of metal?

*February 5, 2015 by albert*

**physics lab**

For a physics lab, I measured length, width, thickness, and mass of 2 blocks of wood, 3 trials each. There were 2 questions on the lab that I did not understand how to do. 1. For each trial, find the ratio between the mass and the volume. Based on your data, what is the ...

*September 1, 2006 by anonymous*

**Chem **

22.8 kg of a metal has a density of 8.3g/mL. Calculate the volume of the metal sample?

*February 22, 2011 by jay*

**chem**

what is the density of a block of unknown material with a mass of 11.56g if the dimension are length = 2.2cm, height =1.7cm, width =6.1cm

*September 4, 2014 by Anonymous*

**Physics**

If the relative density of a metal is 19 what will be the mass of 20cm^3 of the metal when immersed in water.

*May 31, 2015 by Inioluwa*

**Physics**

If the relative density of a metal is 19 what will be the mass of the metal when immersed in water.

*May 31, 2015 by Inioluwa*

**Chemistry**

The mass of an empty container is 91 g. The mass of the container filled with water is 111 g. What is the volume of the container? The density of water is 1 g/cm3 .Answer in units of cm3 20cm3 016 (part 2 of 5) 1.0 points The container was emptied, dried, and a piece of metal ...

*September 19, 2016 by Katie*

**factor label method (chem)**

The density of mercury metal is 13.6 g/mL. what is the mass of 3.55 mL of the metal? i dont know where to begin on this question

*February 7, 2010 by kelsy*

**Physics**

1. You are tasked to design a car park on the top floor of a condominium that can accommodate 10 cars, each car has a maximum mass of 2000 kg. The material you are using can withstand a pressure of 500 N/m^2. Calculate how large your park must be? 2. Cheryl filled a measuring ...

*September 3, 2014 by Mei*

**AP Chemistry**

An unknown metal M forms a soluble compound, M(NO3)2. A solution of M(NO3)2 is electrolyzed. When a constant current of 2.5 amperes is applied for 35 minutes, 3.06 grams of the metal M is deposited. Calculate the molar mass of M and identify the metal.

*April 8, 2013 by Summer*

**Chemistry**

A cubic piece of metal measures 7.50 cm on each edge. If the metal is nickel, whose density is 8.90g/cm^3, what is the mass of the cube?

*March 1, 2011 by Kelsey*

**chems**

A cubic piece of metal measures 7.50cm on each edge. If the metal is nickel, whose density is 8.90 {\rm g/cm}^3, what is the mass of the cube?

*September 3, 2012 by jason*

**Chemistry **

A piece of metal with a mass of 131 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 35 mL. What is the density of the metal?

*September 5, 2016 by Lean brow*

**physics**

A piece of metal has a mass of 85cg and a volume of 450L. What is its density in g/cm3? What would be the mass of 300 cm3 of this metal? What would be the volume of 00 ounces of this metal?

*March 10, 2014 by Anonymous*

**chemistry pls help me asap**

2.08g of metal Y react with 0.96g of oxygen to form a metal oxide.The empirical formula of the metal oxide is Y2O3.What is the relative atomic mass of metal Y.

*May 15, 2014 by mandy*

**chemistry**

a cubic piece of metal measures 5.00 cm on each edge. if the metal is nickel, whose density is 8.90g/cm cubed, what is the mass of the cube?

*September 11, 2008 by alice*

** chem**

A cubic piece of metal measures 3.00cmcm on each edge. If the metal is nickel, whose density is 8.90 g/cm3{\rm g/cm}^3, what is the mass of the cube?

*September 16, 2014 by dae*

**general physics**

A piece of metal, when weighed in air, has a weight of 20.7 N. When completely submerged in blood (ƒâ = 1060 kg/m3), the metal has a weight of 12.7 N. Based on the values from table 11.1 in the text, what is the most likely metal? Here is the answer but I need help with the ...

*July 16, 2013 by ODU*

**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*

**chemistry**

a metal sample weighing 45.0g and at a temperature of 99.1C was place in 38.6g of water in a calorimeter at 25.0C. the calorimeter reached a maximum temperature of 32.8C. 1. calculate the specific heat of the metal. 2. what is the approximate molar mass of the metal?

*November 13, 2008 by luke*

**Physics**

One cm of a 10-cm-long rod is made of metal, and the rest is wood. The metal has a density of 5000 kg/m3 and the wood has a density of 500 kg/m3. When the rod is set into pure water, the metal part points downward. How much of the rod is underwater?

*December 16, 2010 by Sara*

**college physics**

One cm of a 10-cm-long rod is made of metal, and the rest is wood. The metal has a density of 5000kg/m^3 and the wood has a density of 500kg/m^3. When the rod is set into pure water, the metal part points downward. How much of the rod is underwater?

*December 6, 2010 by jessica*

**college physics**

One cm of a 10-cm-long rod is made of metal, and the rest is wood. The metal has a density of 5000kg/m^3 and the wood has a density of 500kg/m^3. When the rod is set into pure water, the metal part points downward. How much of the rod is underwater?

*December 6, 2010 by jessica*

**chem**

A 0.069 gram sample of a metal reacted with HCl and produced 45.31 mL of H 2 gas at 25¡ÆC and 1 atm pressure. The metal is known to react with HCl according to the following reaction, 2 M + 6 HCl > 2 MCl 3 + 3 H 2 What is the molar mass of the metal? Which metal is it?

*October 31, 2014 by jhon*

**Physics**

A 5.00x10^2-g block of metal absorbs 5016 J of heat when its temperature canges from 20.0 C to 30.0 C. Calculate the specific heat of the metal ..?

*March 29, 2011 by Alayna*

**precalc**

Hi. Can someone please help me with this problem? A rectangular block of metal weighs 3 oz. How many lbs will a similar block of the same metal weigh if the edges are twice as long?

*October 31, 2007 by Charlotte*

**chemistry**

A metal block of mass 11.5 g gives off 360 J of heat while cooling from 99.7 to 32.5 oC. What is the specific heat of the metal in J g-1 oC-1?

*March 26, 2013 by d*

**chemistry**

A metal block of mass 11.5 g gives off 360 J of heat while cooling from 99.7 to 32.5 oC. What is the specific heat of the metal in J g-1 oC-1?

*March 26, 2013 by d*

**Fluid Mechanics**

A 6 kg. piece of metal displaces 1 liter of water when submerged. What is its density? The volume of the water dispaced was given, so... Density metal= massmetal/volumemetal The volume of water displaced is the same as the volume of the metal.

*June 17, 2005 by Jarrad Schomaker*

**physics**

A piece of metal with a density of 4.69g/cm^3 and a mass of 1500 grams, is submerged in a container of oil, with a density of .75 g/cm^3. What volume of oil does the metal displace? Work: 4.69g/cm^3->4690kg/m^3 1500g->1.5kg .75g/cm^3->750kg/m^3 I'm not sure what ...

*December 26, 2007 by Anonymous*

**Chemistry**

HELP!!! An unknown metal having a mass of 14.00g is dropped into 11.00mL of water at 20.0 degrees Celcius. The starting temperature of the chunk of metal is 100.0C. The final temperature of the water and metal is 32.5C. What is the specific heat of the metal?

*April 6, 2011 by Marie*

**chemistry**

Data collected from the calorimetry of a metal mass of the metal = 110.62g initial temperature of the water in the cup = 23.0 C initial temperature of the metal in the boiling water = 99.02 C final temperature of the metal AND water in the cup=25.54C volume of the water =100....

*June 5, 2010 by coco*

**Chem**

a 4.369g sample of metal is placed in a flask. water is added to the flask and the total volume in the flask is read to be 126.4ml. the mass of the water, flask, and metal is 268.5g. if the mass of the flask is 139.3g and the density of water is 1.000g/ml, the density of the ...

*December 5, 2012 by Lala*

**Chemistry**

A metal bar having a mass of 212 g is heated to 125.0°C and then dropped into 375 g of water at 24°C. After a while the temperature of the water and the metal is 34.2°C. If the specific heat of the metal is 0.831 J/g°C, how much heat did the metal lose?

*September 13, 2014 by El*

**chemistry**

An unknown metal is found to have a density of 19.300 g/cm^3 and to crystallize in a body-centered cubic lattice. The edge of the unit cell is found to be 0.31627 nm. Calculate the atomic mass of the metal. Im not sure how to approach this problem...when i tried doing it i got...

*January 24, 2011 by sam*

**physics**

If the relative density of a metal is 19. What will be the mass of 20cm of the metal when immersed in water RD=19 Mass=20cm³

*May 31, 2015 by Eniola*

**Chemistry**

6 mol sample of Cu2S is roasted in excess O2 to yield Cu metal and SO2. Calculate the mass of Cu metal produced

*February 14, 2015 by Ana*

**physics**

a piece of metal of density 7800kgm-3 weighs 20N in air. Cal. The apparent weight of th metal when completely immersed in a liquid of density 830kgm-3

*November 13, 2015 by David soye*

**Science**

A block of metal is on a table. what must be true for thermal energy to flow from the table to the metal? a. both the table and the metal must be cooler than the surrounding air. b. the metal must be cooler than the table c. the table and the metal must be in thermal ...

*December 2, 2015 by John Doswell*

**chemistry**

what would happen if you used a very small amount of metal in measuring density? how would it affect your measurement? consider the number of segnificant digit in your ansuer if you use more than 1.00 ml of metal or less than 1.00 ml of metal.

*July 5, 2011 by linda*

**Chemistry**

A metal bar having a mass of 212 g is heated to 125.0°C and then dropped into 375 g of water at 24°C. After a while the temperature of the water and the metal is 34.2°C. If the specific heat of the metal is 0.831 J/g°C, how much heat did the metal lose? Please help me! Thank ...

*September 13, 2014 by Ellie*

**chemistry**

a metal object has a mass of 8.37g. when it was placed in a graduated cylinder containing 20.0ml of water, the water level rose to 23.1 ml. what is the density and identity of the metal?

*February 16, 2014 by kim*

**chemistry**

What is the density of a 23.92 g object block if the dimensions: length = 10.6 mm height = 5.47 cm width = 0.0352 m

*September 24, 2012 by danyae*