4 years ago

If an object absorbs all colors but blue, what color would it appear to be?

Chemistry

2 answers:

denis-greek [22]4 years ago

5 0

The color would be blue

Zielflug [23.3K]4 years ago

4 0

As it would reflect the blue light, it would appear to be blue

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A stiff outer layer that helps the cell hold its rigid shape. Can be made

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I just got this question and it was lipids sorry if i’m wrong

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3 years ago

Which neutral element has the following electron configuration? 1 s^2 2s^2 2 p^6 3 s^2 3 p^41s 2 2s 2 2p 6 3s 2

Alinara [238K]

S, Sulfur. An easy way to find the answer is simply looking at the last set of numbers.

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3 years ago

Consider the reaction below. mc009-1.jpg If the reaction is at dynamic equilibrium at 500 K, which statement applies to the give

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3 years ago

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Identify the class of the 8 organic compound below (alcohol, carboxylic acid, halocarbon, alcohol, ketone, ester, ether). Some w

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Answer:

See below ~

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1) Ketone

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2 years ago

You have 1.20 x 10 24 molecules of H2O. What is the mass of this sample?

goblinko [34]

Answer:

$35.86~g~H_2O$

Explanation:

In this case, we have to remember that relationship between the avogadro's number and the "mol" concept:

$1~mol=6.023x10^2^3~molcules$

With this in mind, we can do the first conversion:

$1.20x10^2^4~molecules~of~H_2O\frac{1~mol_H_2O}{6.023x10^2^3~molcules~of~H_2O}=1.99~mol_H_2O$

Now, if we calculate the molar mass of $H_2O$ . The atomic mass of O is 16 g/mol and the atomic mass of H is 1 g/mol, so:

(16*1)+(1*2)= 18 g/mol

In other words, $1~mol~H_2O=~18~g~H_2O$ , so:

$1.99~mol_H_2O\frac{18~g~H_2O}{1~mol~H_2O}=35.86~g~H_2O$

I hope it helps!

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3 years ago