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May 2, 2016

Search: calculate the density of solid cube the measures 5.0 cm on each side and has s mass of 350 g.

Number of results: 63,647

cmsd
Your question: "The shorter diagonal of a rhombus is 50 mm long. Each of its obtuse angles measures 140. Find the length of each side."
February 20, 2013 by allen

math
Your question: "The shorter diagonal of a rhombus is 50 mm long. Each of its obtuse angles measures 140. Find the length of each side."
February 20, 2013 by allen

geometry
a rectangular piece of land measures 0.7 km by 0.5km each side is to be fenced with 4rows of wires.What is the length of wire needed?
November 4, 2014 by Anonymous

Calculus
Hi there I am having some troubles trying to do my calculus homework and I really need help trying to do this problem from my homework: Set up the problem and do not solve: The mass of the solid bounded by the surfaces 2x^2 + 2y^2= 9, z=0, z=3 with density function p(x,y)= x^...
December 3, 2009 by shylo

Stiochiometry
Equation 2Mg+O2= 2MgO Lab data: Magnesium ribbon= .04 grams Magnesium Oxide= .09 2. Using the initial mass of magnesium, calculate the moles of oxygen and then moles of magnesium oxide produced. What is the mole ratio of the reactants? 3. Calculate the mass of magnesium oxide ...
February 26, 2009 by Emily

physics
A ball of circumference 71.5 cm and mass 640 g is forced to the bottom of a swimming pool and then released. After initially accelerating upward, it rises at a constant velocity. (The density of water is 103 kg/m3.) (a) Calculate the buoyant force on the ball.
March 24, 2012 by sara

math
Phil is making a number cube out of cardboard . He traces one face of the number cube onto a coordinate grid . The coordinates of two opposite vertices of the face are (4, 8) and (12, 16) . What is the surface area, in square units, of Phils entire number cube?
March 26, 2016 by Lakshmi

CHEMISTRY
brass is a subtitutional alloy consisting of a solution of copper and zinc. a particulae sample of red brass consisting of 80% copper and 20% zinc by mass has a density of 8750kg/m^3. a. what is the molality of zinc in the solid solution and B. what is the molarity of zinc in ...
October 14, 2010 by lulu78

chemistry
In a laboratory experiment, the density of a concentrated sugar solution was determined by measuring the volume of the solution and corresponding mass. Three students each made a set of measurements using a different balance and used the results to calculate density. Their ...
August 30, 2008 by helpp

chemistry
Calculate ∆T for the reaction. Assume the initial temperature of both reactants is 25.0◦C. Calculate the volume of the reaction mixture. Calculate the mass of the reaction mixture. Assume the density of the mixture is 1.03 g mL^(-1). Calculate the heat transferred ...
October 22, 2014 by Anonymous

Chemistry
Commercial vinegar usually has a concentration of 5%, per volume. a) Calculate the [H3O+] , if the density of acetic acid is 1.051 g/mL. b) Calculate the pH.
May 13, 2012 by Andrea

math
a cylindrical metal bar has a base radius of 2cm and a height of 9cm. it is melted down and recast into a tube. Find a side of the cube
April 28, 2014 by Michael

Physics
What is th mass in kg for a 10cm3 cube of ice?
January 25, 2012 by Breia

Physics
What is th mass in kg for a 10cm3 cube of ice?
January 25, 2012 by Breia

Physics
Now your bicycle wheel is rotating with an angular speed of 43.8 rad/s. The wheel has a mass of 4.9 kg and a radius of 48.6 cm. Treat the wheel as a solid thin disc. (a) Calculate the rotational kinetic energy of the wheel in J. (b) Calculate the angular speed the wheel must ...
April 22, 2016 by Jannia

Solid Mensuration 04/15/16
Given trinagle ABC whose sides are AB=15 in., AC=25 in., and BC=30 in. Form a point D on the side AB, a line DE i drawn to a pointE on side AC such that angle ADE is equal to angle ABC. If the perimeter of triangle ADE is 28 in., find the lengths of line segments BD and CE.
April 14, 2016 by Glenn

physics
Archimedes decides to take a warm bath. If 1 calorie equals 4.187 Joules, and the heat of fusion of ice/water is 334 J/gram, calculate the number of calories it takes to liquefy a solid block of ice of mass 100 kg at 0C. Use scientific notation.
June 17, 2012 by LL

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.)
September 12, 2010 by moe

Chemistry
I have this problem.... Hexane has a density of 0.659 g/ml. How many milliliters (mL) would a student need to pour in order to get 49.5 g of hexane? Am I to solve by using mass = density x volume? And if so, is the answer 32.62mL?
September 16, 2012 by Amanda

Chemistry
What mass of sucrose (C12H22O11) should be combined with 477g of water to make a solution with an osmotic pressure of 8.15atm at 275K ? (Assume the density of the solution to be equal to the density of the solvent.)
February 8, 2015 by chemstud

chemistry
At some other temperature, a solid sample of Ca(OH)2 is shaken with 0.0100 M CaCl2. Once equilibrated, some solid Ca(OH)2 remains undissolved. The solution is filtered and a 20.00 mL sample requires 38.80 mL of 0.0100 M HCl to neutralize it. Calculate the value for Ksp of Ca(...
February 22, 2012 by Anonymous

Physics
An equilateral triangle 100.0 m on a side has a m1 = 15.00 kg mass at one corner, a m2 = 75.00 kg mass at another corner, and a m3 = 120.00 kg mass at the third corner. Find the magnitude and direction of the net force acting on the 15.00 kg mass.
March 17, 2011 by Bill

12th grade physics
Helium is monatomic with a relative atomic mass of 4. calculate (i) the density of helium gas at a temperature of 0 degrees Celsius and a pressure of 101kPa and (ii) the rms speed of the helium atoms under these conditions
September 20, 2010 by Enya

chemistry
Time p.m. Mass (g) 1:00 2.5754 1:08 2.5621 1:15 2.5615 1:24 2.5609 1:31 ? How do I predict the mass at 1:31 of this solid that is weighed every 5 minutes while drying?
September 20, 2010 by Morgan

Chemistry
Acid Question!? An unusual category of acids known as superacids, which are defined as any acid stronger than 100% sulfuric acid, can be prepared by seemingly simple reactions similar to the one below. In this example, the reaction of anhydrous HF with SbF5 produces the ...
March 30, 2007 by Anonymous

geometry (check answers)
Determine whether you can construct many, one, or no triangle(s) with the given description. a) a triangle with angle measures of 50, 70, and 100 no b) a triangle with one angle measure of 60 and one 4-centimeter side no c) a scalene triangle with a 3-centimeter side and a...
April 10, 2016 by cade

Chemistry
A hospital saline solution is analyzed to confirm its concentration. A 60.0 mL sample with a mass of 50.443 g is evaporated to dryness. (a) If the solid sodium chloride residue has a mass of 0.413 g, find the mass/mass percent concentration of the NaCl solution. % (b) Find the...
March 26, 2014 by Harry

College Chemistry
If the density of cylinder 1 is 3.55 , what is the density of cylinder 2? (The masses and volumes of two cylinders are measured. The mass of cylinder 1 is 1.35 times the mass of cylinder 2. The volume of cylinder 1 is 0.792 times the volume of cylinder 2.)
February 12, 2012 by Alex

Physics
When we say that the weight of an object is Mg, and that g = 9.8 N/kg, what assumptions are we making? Which of the below? The distribution of mass in the earth is spherically symmetric. The density of the earth is the same everywhere. The earth's interior is solid everywhere...
January 25, 2013 by arcos15

Physics
When we say that the weight of an object is Mg, and that g = 9.8 N/kg, what assumptions are we making? Which of the below? -The distribution of mass in the earth is spherically symmetric. -The density of the earth is the same everywhere. -The earth's interior is solid ...
January 25, 2013 by arcos15

Chemistry (Check)
Completion 1)Metric 2)Five 3)Meter 4) 5)Weight The International System of Units (SI) is a revision of the ___1____ system. There are __2____ SI base units. In SI, the base unit of length is the ___3____. The Space taken up by a cube that is 10cm on each edge is one __4___. A ...
January 18, 2007 by Bryan

Chemistry
Calculate the density of a substance in pennyweights per peck that has a volume of 0.371 hogsheads and a mass of 41.6 kg. 1 pennyweight = 1.55 grams 1 hogshead = 238.5 liters 1 peck = 9.091 liters. Answer in units of pw/pk.
September 27, 2012 by Peter

Chemistry
Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at 0 C and 1.0 atm. Assume ideal behavior and use two significant figures in your answers.
November 1, 2012 by Garcia

math
a cube with 2-inch sides is placed on a cube with 3-inch sides. Then a cube with 1-inch sides is placed on the 2-inch cube. What is the surface area of the three cubes?
August 12, 2011 by christina

Chemistry
Calculate the molarity and the molality of an NH3 solution made up of 30 g of NH3 in 70 g of water. The density of the solution is 0.982 g/ml. Molar Mass of NH3 = 17.04 g
December 2, 2010 by Sara

chemistry
Calculate the number of grams of sulfuric acid in 1 gallon of battery acid if the solution has a density of 1.25g/mL and is 38.3{\rm \\%} sulfuric acid by mass.
January 21, 2015 by Anonymous

Chemistry
Commercial hydrobromic acid can be purchased as 40.0 % by mass 9f HBr. The density of this acid is 1.38 g m/L. Calculate the molality of this commercial acid..please show me the solution..thanks
July 5, 2014 by Syam

chemistry !
a 135-g sample of sea water is evaporated to dryness, leaving 4.73 g of solid residue (the salts formerly dissolved in the seawater). calculate the mass percent of solute present in the original sea water. please help I need to pass this test. thank you thank you forever!!!!!
March 4, 2013 by Eleanor

Physics
A raft measures 1.7m x 0.67m x 0.14m, and it has a mass of 13.5kg. What is the maximum mass that the raft can hold and still stay afloat
March 11, 2015 by Scott

physics
a rectangular box measures 5 x 1 x .5 m. what mass may be loaded in it (including the mass of the box) before it sinks in a lake?
March 20, 2010 by john

Chemistry-Question 3
A 4.86 kg sample of a solution of the solute chloroform in the solvent (C2H5)2O that has a concentration of 1.91 pph by mass chloroform is available. Calculate the amount (g) of CHCl3 that is present in the sample. Molar Mass (g/mol) CHCl3 119.38 (C2H5)2O 74.12 Density (g/mL...
September 2, 2008 by Scott

CHEMISTRY
A glass vessel has a mass of 53.8718 g when evacuated (no air). When filled with a liquid of density 1.319 g mL-1 it has a mass of 255.7390 g and when filled with an unknown gas at 752.3 torr and 16.12C it has a mass of 54.2483 g. What is the molar mass of the gas, express ...
January 20, 2008 by Matt

Math
math forms for construction are made of cement like the one shown. this one has a hollow cylindrical center. what is the total volume of the form? use 3.14 as an approximation for pi. round answer to nearest tenth. Diameter for cylinder is 0.5 ft Width for cube is 1 ft Length ...
January 26, 2016 by Ayan

geometry
Triangle lmn is congruent to hij. Angle l measures 35 and angle m measures 65 and angle j measures 2x. Find the value of x
November 6, 2012 by Anonymous

Physics
Determine the initial acceleration of a 1 kg solid aluminum chunk (density = 2,700 kg/m3) released from rest by a diver 10 m under the ocean.
December 10, 2010 by Sam

Physics(Please help, thanks)
An experiment was done where a tiny steel ball was measured with a micrometer. I know I already posted a question about this before and was given a respond but after trying to fix my answers I am still lost. If someone could please review my results and tell me where I went ...
September 2, 2012 by Hannah

physics
A rectangular block of ice 10 m on each side and 1.1 m thick floats in sea water. The density of the sea water is 1025 kg/m3. The density of ice is 917 kg/m3. a) How high does the top of the ice block float above the water level? m * .116 OK HELP: Use Archimedes' Priciple. b) ...
November 7, 2010 by Sarah

physical chemistry
1.) Calculate delta rH for the freezing of water at one bar and -10 degrees C. The heat capacities are H2O(s)=36.9 JK-1mol-1 and H2O(l)=74.5JK-1mol-1. delta H for freezing of water at 0 degree C is -6602Jmol-1 (assume C is independent of temperature). 2.) Assume the hot brick ...
February 21, 2012 by nicole

chemistry
Classify each of the follwing by the type of solid(molecular, ionic, metallic, covalent network)it will form: a) Na b) Fe c) SiO2 d) H2O E) KF The result that I got are : a) Na (molecular solid) b) Fe (metalic solid) c) SiO2 (ionic solid) d) H2O (ionoc solid) E) KF (covalent ...
June 11, 2007 by Tom

chemistry
the force holding together an ironic solid are much stronger thantheforces between particles in a molecular solid. how are these strong forces reflected in the properties of an ionic solid?
April 12, 2011 by jules

calculus
The base of a solid in the xy-plane is the first-quadrant region bounded y = x and y = x2. Cross sections of the solid perpendicular to the x-axis are equilateral triangles. What is the volume, in cubic units, of the solid?
April 16, 2015 by Anonymous

Chemistry 1002
Over a period of time, the concentration of sulfuric acid in a lead storage battery of an automobile has decreased from 38 percent by mass(density=1.29 g/mL) to 26 percent by mass(1.19 g/mL). Assume the volume of the acid remains constant at 715 mL. a)Calculate the total ...
April 19, 2015 by Jen

Chemistry
I need help I do not know how to set up this problem. Calculate the energy to heat three cubes gold aluminum and silver from 15 Celsius to 25 degrees Celsius. Density gold:0.129 J/g degrees C Density aluminum: .896 J/g degrees C Density silver: .235 J/g degrees C
September 23, 2015 by Amber

geometry
Alexa has 200 square inches of wrapping paper left. Which is the side length of a cube she could not cover with the paper?
March 13, 2013 by John Rose

Calculus
Let f and g be the functions given by f(x)=1+sin(2x) and g(x)=e^(x/2). Let R be the shaded region in the first quadrant enclosed by the graphs of f and g. A. The region R is the base of a solid. For this solid, the cross sections, perpendicular to the spx-axis, are rectangles ...
April 19, 2015 by Anonymous

Chemistry
In the experiment shown below, you add some salt to water. A = All of the solid dissolves (no solid at the bottom). B = You add more water and the solid stays dissolved. Select all of the following that are true about solutions A and B. The same number of ions are dissolved in...
November 10, 2011 by Rachel

Chemistry AP-Density
The density of osmium is 22.57g/cm3. If a 1.00kg rectangular block of osmium has two dimensions of 4.00cmx4.00cm, calculate the third dimension of the block.
August 17, 2010 by Victoria

ap physics c
Hi What is the center of mass of the following object measured from the center of the sphere?: a sphere of radius R and mass m2 is connected to a solid tube of mass m1 and length L Thank you!
November 23, 2010 by student2010

Physics
A long thin rod lies along the x-axis from the origin to x=L, with L= 0.890 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x2). The value of λ0 is 0.700 kg/m and x is in meters. 1. Calculate the total mass of the ...
February 11, 2014 by Molly

Physics
A long thin rod lies along the x-axis from the origin to x=L, with L= 0.890 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x2). The value of λ0 is 0.700 kg/m and x is in meters. 1. Calculate the total mass of the ...
February 11, 2014 by Molly

Physics
A long thin rod lies along the x-axis from the origin to x=L, with L= 0.750 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x3). The value of λ0 is 0.600 kg/m and x is in meters. 1) Calculate the total mass of the ...
January 9, 2016 by David

Physics HELLLPPPP
When we say that the weight of an object is Mg, and that g = 9.8 N/kg, what assumptions are we making? Which of the below? -The distribution of mass in the earth is spherically symmetric. -The density of the earth is the same everywhere. -The earth's interior is solid ...
January 25, 2013 by NATTT

Geometry
A square measures 8 inches on each side. What is its area rounded off to the nearest whole number. (Note: 1 inch ≈ 2.54 cm)
January 16, 2011 by Ivan

Math
A store's sign is the shape of an equilateral triangle. One side measures 21 inches. What is the length of each of the other two sides?
November 14, 2011 by Sarah

math
I have a pizza that measures 36 by 21 that needs to cut into equal pieces with no left overs. What is the length of longest side?
December 16, 2013 by mari

Geometry
#19. Given a regular octagon, find the measures of the angles formed by (a) two consecutive radii and (b) a radius and a side of the polygon.
April 8, 2014 by Heather

Geometry
A cube has edge lengths of 6 inches. What is the approximate length of a diagonal "d" of the cube? A)6 in. B)8.4 in. C)10.4 in. D)12 in.
April 16, 2011 by Sergio

math
Perdict how many times the cube will land on the letter c if u toss the cube 30times ?
April 25, 2011 by eddie

Math help
a cube has a volume of 125cm ^3. What is the area in cm^2 of one face of the cube? (^ = Exponent)
November 7, 2014 by Rella

Math
A cube has a volume of 50 653 cubic metres. What is the surface area of the cube?
November 28, 2014 by Anonymous

geometry
A cube has edge lengths of 4 inches. What is the approximate length of a diagonal "d" of the cube?
January 22, 2016 by jackie

Physics
2. A magnetic levitation or maglev train rides rails without touching them. Explain how this works using your data. Distance from surface (cm) Number of lines/0.5 cm Average number of lines/0.5 cm Field density (number of lines/cm) Side 1 Side 2 0.5 6 6 12 12 1.0 10 10 20 10 1...
May 30, 2012 by Vita

Physics
2. A magnetic levitation or maglev train rides rails without touching them. Explain how this works using your data. Distance from surface (cm) Number of lines/0.5 cm Average number of lines/0.5 cm Field density (number of lines/cm) Side 1 Side 2 0.5 6 6 12 12 1.0 10 10 20 10 1...
May 30, 2012 by Vita

Physics
A solid wood door, 90.0 cm wide by 2.00 m tall has a mass of 35.0 kg. It is open and at rest. A small 500-g ball is thrown perpendicular to the door with a speed of 20.0 m/s and hits the door 60.0 cm from the hinged side. The ball rebounds with a speed of 16.0 m/s along the ...
October 26, 2014 by Anonymous

Math, Please check answers
I do not want to fail this, could you please help me with number 1 and 3.D, and then check my other answers? Thank you. 1. Find and simplify the volume-to-surface-area ratio for each of the three possible ice cube shapes. You can use this chart. |Shape| S/A Formula|Volume ...
March 3, 2016 by Alexia Smith

bio
How does the surface area-to-volume ratio of a 1-mm cube compare to the surface area-to- volume ratio of a 3-mm cube? 1. The ratio does not change. 2. The ratio increases as the cube becomes larger. 3. Increasing the volume increases the ra- tio. 4. The 3 mm cube has a higher ...
February 19, 2012 by anmol

Physics(Please check)
An experiment was done where a tiny steel ball was measured with a micrometer. I know I already posted a question about this before and was given a respond but after trying to fix my answers I am still lost. If someone could please review my results and tell me where I went ...
September 3, 2012 by Hannah

math
Delta airline flights seats 340 people. An average of 5% of the people with reservations doesnt show up, so they overbook by 350. This system can be analyzed by using binomial distribution. n=350 and p=0.95 1) Find the probablity that 350 reservations there are more passangers...
April 6, 2008 by mel

Calculus
The volume of an ice cube as it melts is given by the equation: V = 2.1x10^-5 t^3 - 6.5x10^-4 t^2 - 0.346 t + 21.31 Determine the rate at which the sides of the ice cube melt at both 10 and 75 minutes after the beginning of the melting process. You may assume the the ice cube ...
November 8, 2012 by Anonymous

Chem
mass of empty cylinder is 87.470g 97.470g w/10mL of water 107.470g + 10mL of water 117.470g + 10 more mL of water need to know the total volume of water (in mL or cm3) total mass of water density of water calculate the average of the 3 densities of water.
June 19, 2010 by dra

Geometry plz help
A rectangular solid has a top face with surface area of 28 ft, a front face with surface area of 20 ft, and a side face with surface area of 70 ft. What is the volume of this solid?
November 29, 2009 by Ryan

Chemistry
Calculate the mass ( kg ) of the solute C4H8O and the volume ( mL ) of the solvent C6H6 that should be combined to generate 6450 g of a solution that is 2.07 m C4H8O. Density (kg/l) C4H8O 0.8892 C6H6 0.8786
February 1, 2010 by Anon

AP Chemistry
A bottle of wine contains 12.5% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of ethanol in wine in terms of mass percent and molality.
November 14, 2010 by Anonymous

chemistry
A KNO3 solution is made using 88.4g of KNO3 and diluting to a total soultion volume of 1.50l. Calculate the molarity and mass percent of the solution. Assume a density of 1.05 g/mL for the solution.
November 6, 2011 by Monique

chemistry
assuming that a neutron star has the same density as a neutron, calculate the mass in kilograms of a small piece of a neutron star the size of a spherical pebble with a radius of 0.11mm
May 4, 2012 by Karon

Chemistry
A bottle of wine contains 11.4% ethanol by volume. The density of ethanol (C2H5OH) is 0.789 g/cm3. Calculate the concentration of ethanol in wine in terms of mass percent and molality.
September 23, 2012 by Erin

chemistry
Assuming that a neutron star has the same density as a neutron, calculate the mass in kilograms of a small piece of a neutron star the size of a spherical pebble with a radius of 0.30mm .
February 9, 2014 by Anonymous

Calc 3
The actual span of the base of the dome is 143 feet. 1) Use cylindrical coordinates to write the surface of the dome as a function of the distance from the center of the base; that is find z = f (r) . 2) Use your function to find the height of the dome; that is what is f (0...
December 7, 2009 by joe

phys102
a copper wire has a diameter of 1.02mm,the wire carries a constant current of 1.67A,the density of the free electrons is 8.5X10^28 e/m^3.calculate the current density and drift velocity
August 14, 2010 by kabelo

MATH.
Please help meeeee. A cube has the surface area 384cm2. What is the length of the cube? HELP MEEEEEEEEEEEEEEEE
January 10, 2008 by PUPPY POWER!!!

math
each set of probabilities is associated with a rolling cube. What numbers are marked on the faces of each cube? P(2)=1/3 P(4)=1/3 P(6)=1/3
March 23, 2012 by Max

math
a cube is 5x5x5. How many smaller cubes in the larger cube. So I just mult. to get 125?
April 7, 2013 by jeanna

physics
At 20C, a brass cube has an edge length of 34 cm. What is the increase in the cube's surface area when it is heated from 20C to 67C?
March 5, 2016 by Jim

physics
At 20C, a brass cube has an edge length of 34 cm. What is the increase in the cube's surface area when it is heated from 20C to 67C?
March 6, 2016 by Jim

Math
A cube has a surface area of fifty-four square centimeters. What is the volume of the cube?
March 23, 2016 by Anonymous

Math
A gift is shaped like a cube has an edge length of 5 3/4 inches . What is the volume of the cube
April 28, 2016 by Destiney

Chemistry
CaCO3(s) <--> CaO(s) + CO2 (g) A 5.9-gram sample of CaCO3 (molar mass = 100.) is placed in an evacuated 2.00L container and heated to 200^oC. Equilibrium is reached when 5.15% of the CaCO3 has decomposed. 1)Write the Kp expression for this reaction and calculate its ...
March 3, 2011 by Patrick

Physics - please help!!..
A long thin rod lies along the x-axis from the origin to x=L, with L= 0.890 m. The mass per unit length, λ (in kg/m) varies according to the equation λ = λ0 (1+1.410x2). The value of λ0 is 0.700 kg/m and x is in meters. 1. Calculate the total mass of the ...
February 12, 2014 by Molly

physical science
What is the mass of a 10.0 cm3 cube of copper?
January 22, 2011 by joe

Pyhsics
The weight of the atmosphere above 1 m2{\rm m}^{2} of Earth's surface is about 100,000 N{\rm N}. Density, of course, becomes less with altitude. But suppose the density of air were a constant 1.2 kg/m3{\rm kg}/{\rm m}^{3}. Calculate where the top of the atmosphere would be. ...
April 10, 2014 by Kimmie

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