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alexira [117]
2 years ago
14

Using the Polymers: A Property Database provide the following

Chemistry
1 answer:
Novosadov [1.4K]2 years ago
4 0

Polyethene is a polymer composed of repeating units of the monomer ethene.

The properties of polyethene are as follows:

  • density- ranges 0.857 g/cm3 to 0.975 g/cm3.
  • specific heat capacity is 1.9 kJ/kg.
  • melting temperature is approximately 110 °C.

<h3>What are polymers?</h3>

Polymers are large macromolecules consisting of long repeating chains of smaller molecules known as monomers.

An example of a polymer is polyethene composed of repeating units of the monomer ethene.

The density of polyethylene ranges 0.857 g/cm3 to 0.975 g/cm3.

The specific heat capacity of polyethene is 1.9 kJ/kg.

The melting temperature of polyethene is approximately 110 °C.

Learn more about polyethene at: brainly.com/question/165779

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Determine the molar solubility of pbso4 in pure water. ksp (pbso4) = 1.82 x 10-8.
Misha Larkins [42]
Use the ICE table approach as solution:

           PbSO₄   --> Pb²⁺ + SO₄²⁻
I             -                 0          0
C           -                +s         +s
E           -                  s          s

Ksp = [Pb²⁺][SO₄²⁻]
1.82×10⁻⁸ = s²
Solving for s,
s = <em>1.35×10⁻⁴ M</em>
5 0
3 years ago
Calculate the percent by mass of 4.35g of Na I dissolved in 105g of water​
Ludmilka [50]

<u>We are given:</u>

Mass of Na added = 4.35 grams

Mass of water = 105 grams

<u>Mass Percent of Na:</u>

Total mass of the solution = mass of solute + mass of solvent

Total mass of the solution = 4.35 + 105 = 109.35 grams

Mass percent of solute = (mass of solute / mass of solution) * 100

Mass percent of Solute = (4.35 / 109.35) * 100

Mass percent = 3.978 %

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serg [7]
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What happens to a substance when it dissolves​
uranmaximum [27]

Answer:

A solution is made when one substance called the solute "dissolves" into another substance called the solvent.

Explanation:

once it is broken down"dissolves" from bigger pieces it becomes much smaller groups

6 0
3 years ago
Which of the objects in the table has the most gravitational potential energy? Explain your answer.
Ganezh [65]

Answer:

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Explanation:

The bowling ball has the highest gravitational potential energy because the height at which it will fall is the highest of the rest objects on the table.

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