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saw5 [17]
3 years ago
6

Electromagnetic waves, such as visible light, travel in a multitude of orientations. A substance that filters the light so that

it only passes through in one plane works somewhat like a fence that allows only some light to pass through. This is the principle of -
A. refraction.
B. diffraction.
C. polarization.
D. interference.
Chemistry
1 answer:
7nadin3 [17]3 years ago
5 0
I believe this is the principle of polarization.
It is the property of electromagnetic waves such as light waves, in which the direction and magnitude of the vibrating electric field are related in a specific way. Electromagnetic waves are the types of waves that do not require a material medium for transmission and travels with the speed of light.
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A well-known scientist testifies that she believes a piece of evidence is accepted by science. The judge rules that the evidence
notsponge [240]

Answer:

The correct answer is C:

Kumho Tire Co. Ltd V. Daubert

Explanation:

In this case, the appellant (Daubert) has sued Kumho Tire Co. Ltd (the defendant) when 3 months prior the right rear tyre of his car exploded while the car was in motion killing a passenger and injuring others severely.

The appellant employed the services of an expert who had worked for 10 years with Michelin to give his opinion as having studied the attributes of the tire technology.  

In a counter-argument, the defendant rather than dispute the opinion of the expert urged the court to exclude it as evidence because his methodology didn't conform to the requirements of the Law as given in Rule 702 of the Federal Rules of Evidence.

True to the defendants' position, the Law by the ruling in Daubert v Merrell Dow Pharmaceuticals required that for the opinion to count, it had to be scientifically correct. It was hence excluded as evidence in the case.

Cheers!

5 0
4 years ago
¿Cuáles son las características de los materiales de laboratorio? Por ejemplo: exactitud, resistencia a la temperatura, etc.
irina [24]

Answer:

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Explanation:

4 0
3 years ago
Read 2 more answers
Synthesis of disubstituted benzenes involves two steps, each introducing one of the functional groups. For the synthesis of p-ch
Setler79 [48]

Answer:

The synthesis of p-chlorobenzenesulfonic acid with the reagents for each step and the structure of the monosubstituted intermediate compound is shown in the drawing below.

Explanation:

Benzenesulfonic acid is obtained from the sulfonation of benzene, using concentrated smoking sulfuric acid.

Chlorination of benzenesulfonic acid with chlorine without catalyst requires a polar solvent, such as acetic acid to obtain the selectivity in the position for and the ortho derivative in a low proportion.

7 0
4 years ago
If an atom is found to have an atomic mass equal to 3 times greater than carbon, what is its atomic mass?______ A.M.
Rufina [12.5K]
It would be 36 because the atomic mass of carbon is 12

7 0
3 years ago
When 10.9 g CaCO3 reacts with excess hydrochloric acid, as below, 3.79 g of CO2 is produced. What is the percent yield of CO2? D
erastovalidia [21]

Answer:

Yield of CO₂ = 79.1 %

Explanation:

This is the balanced reaction:

CaCO₃ (s) + 2HCl (aq) → CO₂ (g) + CaCl₂ (aq) + H₂O (l)

As the hydrochloric acid is in excess, the limiting reactant is the  CaCO₃.

Let's convert the mass to moles

10.9 g / 100.08 g/mol = 0.109 moles

Ratio is 1:1, so 0.109 moles of CaCO₃ will produce the same amount of CO₂.

Let's determine the mass

0.109 moles of CO₂ . 44 g/mol = 4.79 g

Now, we can determine the yield

(yeild produced / theoretical yield) . 100 =

(3.79 / 4.79) . 100 = 79.1%

7 0
3 years ago
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