14.26 The density and associated percent crystallinity for two polypropylene materials are as follows: r (g/cm3)...

14.26 The density and associated percent crystallinity for two polypropylene materials are as follows:

r (g/cm3) Crystallinity (%)

0.904 62.8

0.895 54.4

(a) Compute the densities of totally crystalline and totally amorphous polypropylene.

(b) Determine the density of a specimen having 74.6% crystallinity.

Solutions

Expert Solution

genius_generous answered 1 year ago

Next > < Previous

Related Solutions

The density and percent crystallinity for two Nylon 6,6 materials are: 1.188 g/cm3 and 67.3% 1.152...

The density and percent crystallinity for two Nylon 6,6 materials are: 1.188 g/cm3 and 67.3% 1.152 g/cm3 and 43.7% Compute the density of the totally crystalline and totally amorphous Nylon 6,6.

1.453 moles of a metal with a density of 10.49 g / cm3 (STP) and a...

1.453 moles of a metal with a density of 10.49 g / cm3 (STP) and a temperature of 23.35oF, is placed in a calorimeter isolated from the environment that contains 87.35mL of pure ethanol (density 0.9988 g / mL) and that is at 50.50oF. a) Determine the equilibrium temperature of the system.

If you add a 1 cm3 (1 ml) cube of salt (density 2.16 g/cm3) to 10...

If you add a 1 cm3 (1 ml) cube of salt (density 2.16 g/cm3) to 10 ml of water (1 g/cm3) what is a reasonable total volume? If you add a 1 cm3 (1 ml) cube of salt (density 2.16 g/cm3) to 10 ml of water (1 g/cm3) what is a reasonable final density? If you add a 1 cm3 (1 ml) cube of salt (density 2.16 g/cm3) to 10 ml of water (1 g/cm3) what is a reasonable final...

The density of sodium is 0.971 g/cm3 and it has an atomic weight of 22.9897 g/mol....

The density of sodium is 0.971 g/cm3 and it has an atomic weight of 22.9897 g/mol. Each sodium atom contributes one valence electron to the metal, so the number of electrons per unit volume, N/V, is equal to the number of sodium atoms per unit volume. a) Calculate the number density of atoms per unit volume, N/V. b) Calculate the Fermi energy of sodium. c) Calculate the Fermi temperature. d) At room temperature (298 K), calculate the chemical potential. ...

Calculate the density (in g/cm3) of an AX compound given that it has the rock salt...

Calculate the density (in g/cm3) of an AX compound given that it has the rock salt crystal structure and that the radii of the A and X ions are 0.137 and 0.241 nm, respectively. Assume atomic weights of 30.7 and 100.2 g/mol for the A and X elements, respectively.

The density of a certain metal is 3.594 g/cm3 and the metal atom radius is 217.3...

The density of a certain metal is 3.594 g/cm3 and the metal atom radius is 217.3 pm. If the metal crystallizes in a body-centered cubic structure, which choice is closest to the atomic mass? (a) 136.8 g/mol (b) 273.5 g/mol (c) 164.2 g/mol (d) 184.9 g/mol (e) 181.1 g/mol

Osmium is the densest of the naturally occurring elements with a density of 22.59 g/cm3. You...

Osmium is the densest of the naturally occurring elements with a density of 22.59 g/cm3. You are presented with a cube of what is claimed to be pure osmium, which measured 2.00 inches on a side. What weight in pounds would you expect for such a cube of pure osmium? 1 lb = 453.6 g; 1 in = 2.54 cm

A sample of concrete with a density of 2.35 g/cm3 has a hydrogen content of 0.0085...

A sample of concrete with a density of 2.35 g/cm3 has a hydrogen content of 0.0085 weight fraction. a) what is the atom density of hydrogen in the concrete? b) what is the atom density of hydrogen in water at room temperature? c) how do these numbers compare (comment)?

An experiment requires 40.3 of ethyl alcohol. If the density of ethyl alcohol is 0.790 g/(cm3),...

An experiment requires 40.3 of ethyl alcohol. If the density of ethyl alcohol is 0.790 g/(cm3), what is the mass of 40.3 mL of ethyl alcohol

The molecular weight of ethanol (CHgCHzOH) is 46 and its density is 0.789 g/cm3. A. What...

The molecular weight of ethanol (CHgCHzOH) is 46 and its density is 0.789 g/cm3. A. What is the molarity of ethanol in beer that is 5% ethanol by volume? [Alcohol content of beer varies from about 4Vo (lite beer) to B% (stout beer). B. The legal limit for a driver's blood alcohol content varies, but 80 mg of ethanol per 100 mL of blood (usually referred to as a blood alcohol level of 0.08) is typical. What is the molarity...

Subjects