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omeli [17]
3 years ago
7

Enumere por lo menos 5 objetos que antiguamente se hacían con otro material y en la actualidad se hacen con un polímero. Identif

ique de qué polímero se trata.
Chemistry
1 answer:
Kay [80]3 years ago
4 0

Translation: List at least 5 objects that were formerly made from another material and are now made from a polymer. Identify what polymer it is

Answer:

Five object now replaced with polymers

1) automobile body parts. (polypropylene, polyurethane and PVC)

2)TV cabinets. (polystyrene polymer)

3) composites for golf clubs. (carbon fibre reinforced polymer CFRP)

4) fibers for clothing and carpet. (acrylic and nylon)

5) foams for coffee cups (polystyrene)

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The poison dart from the jungle can kill its prey with a slim from its skin. this is an example of a
nikdorinn [45]
This is an example of a chemical property.
8 0
3 years ago
When you add the metal the volume increases from 25.0 to 28.9 how would you find the volume of the metal?
Rzqust [24]

3.9L

Explanation:

Initial volume = 25L

Final volume = 28.9L

The initial volume is the volume of the liquid without the metal in originally in the container. It is 25L

After adding the metal, the volume changes to 28.9L

 Final volume = Initial volume + volume of metal

To find the volume of metal make it the subject of the expression;

    Volume of metal = Final volume - initial volume = 28.9  - 25 = 3.9L

The volume of irregular solids are measured by immersing them in water. The change in volume gives their volume.

Sometimes the volume of water displaced is the volume of the solid.

learn more:

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3 0
3 years ago
Which value gives the number of particles in 1 mol of a substance?
Alexxx [7]
The number of particles (molecules or atoms) is: 6.022 x 10²³ particles (atoms or molecules).

1 mol of H₂O has 6.022 x 10²³ molecules.
1 mol of Al has 6.022 x 10²³ atoms. 
7 0
3 years ago
How many moles of oxygen are in 1 mole of fe(no3)3?
Naddika [18.5K]
One mole of Fe(NO3)3, or iron(III) nitrate, has three moles of nitrate molecules, which have three moles of oxygen atoms each. We can show this mathematically:
1 mole Fe(NO3)3 * (3 moles NO3)/(1 mole Fe(NO3)3) = 3 moles NO3
3 moles NO3 * (3 moles Oxygen)/(1 mole NO3) = 9 moles Oxygen
9 moles of Oxygen in one mole Fe(NO3)3
8 0
3 years ago
Consider 70.0-g samples of two different compounds consisting of only sulfur and oxygen. One of the compounds consists of 35.0 g
Mariana [72]

Answer:

1 : 1.5

Explanation:

First Sample;

Ratio of sulfur and Oxygen

Mass of sulfur : Mass of oxygen

Mass of oxygen = Mass of sample - Mass of sulfur = 70 - 35 = 35g

35g : 35g

1 : 1

Second Sample;

Ratio of sulfur and Oxygen

Mass of sulfur : Mass of oxygen

Mass of oxygen = Mass of sample - Mass of sulfur = 70 - 28 = 42g

28g : 42g

1 : 1.5

Further reducing it to make oxygen 1;

0.6667 : 1

ratio in whole numbers of the masses of sulfur that combine with 1.00 g of oxygen between the two compounds;

0.6667 : 1

1 : 1.5

5 0
3 years ago
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