calculate the mass of the problem
a cube of platinum of edge length 0.040 mm (density=21.4 g/cm3)
Homework Answers
V = ( 0.040 )^3 = 0.000064 mm^3 = 6.4 x 10^-8 cm^3
mass = V x d = 6.4 x 10^-8 cm^3 * 21.4 g/cm^3
=1.4 x 10^-6 g answer
Volume = [ 0.04e-1 cm ] ^3 = 6.4 e -8 cm^3 ;
mass =ρ V = 21.4 * 6.4 e -8 = 1.366 e - 6 g<-------ans
a) a sphere of gold with a radius of 12.1 cm. (The volume of a sphere...
a) a sphere of gold with a radius of 12.1 cm. (The volume of a sphere with a radius r is V = (4/3) π r3; the density of gold is 19.3 g/cm3.) -answer in scientific notation (b) a cube of platinum of edge length 0.024 mm (density = 21.4 g/cm3).- answer in scientific notation (c) 66.9 mL of ethanol (density = 0.798 g/mL).- answer in scientific notation
Calculate the mass a cube of platinum of edge length 0.040mm the density 21.4g/cm^3. V=4/3 (pie)(r).
Calculate the mass a cube of platinum of edge length 0.040mm the density 21.4g/cm^3. V=4/3 (pie)(r).
What is the edge length of a 307-g iron cube? (The density of iron is 7.86...
What is the edge length of a 307-g iron cube? (The density of iron is 7.86 g/cm3, and the volume of a cube is equal to the edge length cubed.)
A cube made of platinum (Pt) has an edge length of 1.50 cm. The density of...
A cube made of platinum (Pt) has an edge length of 1.50 cm. The density of Pt is 21.45 g/cm3. (a) Calculate the number of Pt atoms in the cube. (b)Atoms are spherical in shape. Therefore, the Pt atoms in the cube cannot fill all the available space. If only 74.0 percent of the space inside the cube is taken up by Pt atoms, calculate the radius in picometers of a Pt atom. The mass of a single Pt atom...
A pure copper cube has an edge length of 1.30 cm . Part A How many...
A pure copper cube has an edge length of 1.30 cm . Part A How many copper atoms does it contain? (volume of a cube = (edge length)3; density of copper = 8.96 g/cm3) N= Cu atoms
A cube of iron, which has a density of 7.87 g/cm3, has an edge length of...
A cube of iron, which has a density of 7.87 g/cm3, has an edge length of 3.75 cm. What is the mass of the sample?
A pure titanium cube has an edge length of 2.68 . How many titanium atoms does it contain?...
A pure titanium cube has an edge length of 2.68 . How many titanium atoms does it contain? Titanium has a density of 4.50 g/cm3
The students in the previous problem (attatched) determine the mass of the metal cube to be...
The students in the previous problem (attatched) determine the
mass of the metal cube to be 21.60 pm.05 gm How should they report
the density of the material?
A group of students is determining the density of a cube of metal. Using a calipers, they measure all three sides of the cube to be 2.000+ .002 cm. What is the volume they calculate, including the uncertainty? Do Expert Answer Anonymous 12 minutes later The length of the side of the...
The density of platinum is 21.45 g/mL. If a cube of platinum with a mass of...
The density of platinum is 21.45 g/mL. If a cube of platinum with a mass of 5.00 g was dropped into a graduated cylinder containing water, how much water would the cube displace?
4. Calculate the volume of a 200.0 g sample of zinc. If the metal were a...
4. Calculate the volume of a 200.0 g sample of zinc. If the metal were a cube, calculate the length of one edge of the cube. Zinc has a density of 7.13 g/mL.
The students in the previous problem (attatched) determine the
mass of the metal cube to be 21.60 pm.05 gm How should they report
the density of the material?
A group of students is determining the density of a cube of metal. Using a calipers, they measure all three sides of the cube to be 2.000+ .002 cm. What is the volume they calculate, including the uncertainty? Do Expert Answer Anonymous 12 minutes later The length of the side of the...
4. Calculate the volume of a 200.0 g sample of zinc. If the metal were a cube, calculate the length of one edge of the cube. Zinc has a density of 7.13 g/mL.
Most questions answered within 3 hours.
-
1) Use the Euclidean algorithm (write in pseudocode) to find the
greatest common divisor of 8...
asked 21 minutes ago -
Based upon the corporate proposal for this week, research three
different data storage options for your...
asked 22 minutes ago -
The equilibrium constant, Kp , for the following reaction is
1.04×10-2 at 548 K. NH4Cl(s) NH3(g)...
asked 42 minutes ago -
During a recent budgeting discussion, the CFO at "NW Accounting
Services" proposed eliminating the marketing research...
asked 40 minutes ago -
Block B has a mass of 3.80kg and is moving to the left at a
speed...
asked 44 minutes ago -
If n distinct objects are distributed randomly into
n distinct boxes, what is the probability that:...
asked 46 minutes ago -
a) The frequency of light coming out from a laser source is 297
MHz. What is...
asked 1 hour ago -
LABORATORY EXERCISES:
Using nested for loops, write a java program to print the
pattern as shown...
asked 1 hour ago -
Assume that the correlation coefficient between achievement test
scores (X) and grade point averages (Y) among...
asked 1 hour ago -
In Chapter 1 titled "So Close and Yet So Different", in "Why
Nations Fail" authors bring...
asked 1 hour ago -
Leadership Philosophy
Write a two-page paper identifying your personal leadership
philosophy based on your new perspective...
asked 1 hour ago -
Which of these function correctly defines the function g(),
which should return a pointer to a...
asked 1 hour ago