What is the difference and synthetic fibers ?

Answers

Answer 1
Answer:

Synthetic fabrics are textiles man – made rather than natural fibers. Examples are acrylic, nylon, rayon, acetate, spandex, lastex and Kevlar. It is made by joining the monomers into polymers by the process known as polymerization.


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Which of the following is TRUE about ideal gas particles?A.They move in random directions.B.They are very large.C.They have high intermolecular forces.D.They have inelastic collisions.E.They always move in straight lines.
Both the sympathetic and parasympathetic divisions can be found in the __________ nervous system.
If the following elements were to combine with each other, choose which demonstrate the Law of Multiple Proportion. Select all that apply. Z:X = 7:1 A:Z = 2.5:1 A:Z = 2.2:1 Y:X = 11:1
An isotope undergoes radioactive decay by emitting radiation that has a –1 charge. What other characteristic does the radiation have?some shielding required no mass large mass high penetrating power
Which would most likely be the pH of a highly-corrosive acid

Erythrocytes, neurons, skeletal cells, and columnar cells are examples of _____ cells.plant
bacterial
immunity
specialized

Answers

Erythrocytes, neurons, skeletal cells, and columnar cells are examples of specialized cells. All these cells have differentiated from embryonic stem cells and specialized for different functions. Therefore, they are specialized cells. They have specific structures that allow them to perform their specialized functions.

the answer is SPECIALIZED

How many grams of CuSO4 are there in 100.0 g of hydrate? How many moles?

Answers

the hydrate form of CuSO4 has 5 water molecules (CuSO4-5H20) copper (II) Sulfate pentahydrate or commonly known as blue vitriol. 

To solve, the following molar masses are to be known. 
CuSO4.5H2O (hydrate)  - 249.7g/mole
CuSO4 (anhydrous) -159.6g/mole
Also there molar ratio of the hydrate and CuSO4 is 1. 

the mass of the hydrate is to be divided by the molar mass of the hydrate then multiplied by the ratio (1) to get the moles of hydrate and multiplied by the molar mass of the anhydrous to get the mass in grams. 

moles = (100g/249.7)*1 =  0.4 moles hydrate
grams = 0.4*159.6 =  64.9 grames hydrate


Calculate the massa of water produced if 1.00 gran of hydrogen is burned in 10.00 grams of oxygen(work as well pleaseee)

Answers

The first step to this question is finding the balanced chemical reaction.
H₂+1/2O₂⇒H₂O
Then you need to find the limiting reagent by finding the moles of each reactant then finding how much product each amount of reactants will form.  The reactant that produces the least amount of product is the limiting reagent.
moles of H₂:
1g/(1g/mol)=1mol
moles of O₂:
10g/32g/mol=0.3125mol
moles of H₂O formed with amount of H₂:
1molH₂x(1molH₂O/1molH₂O)=1molH₂O
moles of H₂O formed with amount of O₂:
0.3125molO₂x(1molH₂O/0.5molO₂)=0.625molH₂O
Since less water is produced with the amount of oxygen given, oxygen is the limiting reagent and the moles of water formed from the oxygen is the moles of H₂O we will use to find the amount of H₂O produced.
0.625molH₂Ox18g/mol=11.25g H₂O

Which type of organism helps return nutrients from dead plants and animals to the soil. A producer. B prey. C predator. D decomposer

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The answer is D. Decomposer
The answer is 'decomposer.'

Which solution reacts with LiOH(aq) to produce a salt and water?(1) KCl(aq) (2) CaO(aq) (3)NaOH(aq) (4)H2SO4(aq)

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The answer is (4) H2SO4. The LiOH(aq) is a kind of base. The solution which can react with base and produce a salt and water is acid. Among the choices, only H2SO4 is acid.

If the sun ran out of energy what would happen to the energy resources on earth

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It would be too cold for most man-made energy resources to work correctly.