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2 years ago

what is the color of a fabric that absorbs electromagnetic radiation of wavelengths between 400 and 500nm

Chemistry

1 answer:

Umnica [9.8K]2 years ago

6 0

Answer:

Either of the three colors

Violet , indigo , Blue

Explanation:

The different ranges of color produced as per the electromagnetic spectrum are as follows

• Violet: 400 - 420 nm

• Indigo: 420 - 440 nm

• Blue: 440 - 490 nm

• Green: 490 - 570 nm

• Yellow: 570 - 585 nm

• Orange: 585 - 620 nm

• Red: 620 - 780 nm

A material absorbing light in the range of 400-500 nm can have three colors –

• Violet: 400 - 420 nm

• Indigo: 420 - 440 nm

• Blue: 440 - 490 nm

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creativ13 [48]

Neutralization reaction is the reaction between acid and base.
There the neutralization reaction is:

HBr + LiOH ----------> LiBr + H2O.

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Which radioactive isotope would take the least amount of time to become stable? rubidium-91 iodine-131 cesium-135 uranium-238

Masteriza [31]

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2 years ago

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Inga [223]

Answer:

a.) It is a chemical reaction because a new substance was formed and a colour change occurred in the reaction.

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2 years ago

All of the following reactions can be described as displacement reactions except:____________.

Lady_Fox [76]

Answer:

Explanation:

The reaction that is not a displacement reaction from all the options is $C_6H_6_{(l)} + Cl_{2(g)} --> C_6H_5Cl_{(l)} + HCl_{(g)}$

In a displacement reaction, a part of one of the reactants is replaced by another reactant. In single displacement reactions, one of the reactants completely displaces and replaces part of another reactant. In double displacement reaction, cations and anions in the reactants switch partners to form products.

<em>Options a, c, d, and e involves the displacement of a part of one of the reactants by another reactant while option b does not.</em>

Correct option = b.

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2 years ago

A sample of an ideal gas at 1.00 atm and a volume of 1.84 L was placed in a weighted balloon and dropped into the ocean. As the

Inessa05 [86]

Answer:

0.0613 L

Explanation:

Given data

Initial pressure (P₁): 1.00 atm

Initial volume (V₁): 1.84 L

Final pressure (P₂): 30.0 atm

Final volume (V₂): ?

Since we are dealing with an ideal gas, we can calculate the final volume using Boyle's law.

P₁ × V₁ = P₂ × V₂

V₂ = P₁ × V₁ / P₂

V₂ = 1.00 atm × 1.84 L / 30.0 atm

V₂ = 0.0613 L

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3 years ago