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2 years ago

You may not want to wear a black shirt in the hot summer because light is

Chemistry

1 answer:

oksano4ka [1.4K]2 years ago

8 0

Answer:

The outer layer of fabric does get hotter because the black color absorbs more heat. And that heat doesn't get transmitted to the skin because of the thick fabric. But thin black clothing transmits that heat to the skin, making a person hotter.

Explanation:

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The combining of the nuclei of atoms is know as the nuclear?

aev [14]

It is the nucleus of an atom

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3 years ago

Explain why Cl, is an element and NOT a compound.

GarryVolchara [31]

Answer:

Cl is not a compound because compounds are made up of atoms from MORE than one element. Since Cl is a singular element is cannot be a compound

Explanation:

Just think of it as Compounds are always more than one elements are always Single

4 0

2 years ago

Read 2 more answers

NASA uses radar to track as much space junk as possible, but it's estimated that millions of pieces

gizmo_the_mogwai [7]

D. All of the above

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2 years ago

White vinegar is a 5.0% by mass solution of acetic acid in water. If the density of white

Alex_Xolod [135]

The pH = 2.41

<h3>Further explanation</h3>

Given

5.0% by mass solution of acetic acid

the density of white vinegar is 1.007 g/cm3

Required

Solution

Molarity of solution :

$\tt M=\dfrac{\%mass\times \rho\times 10}{MW~acetic~acid}\\\\M=\dfrac{5\times 1.007\times 10}{60}\\\\M=0.839$

Ka for acetic acid = 1.8 x 10⁻⁵

[H⁺] for weak acid :

$\tt [H^+]=\sqrt{Ka.M}$

Input the value :

$\tt [H^+]=\sqrt{1.8\times 10^{-5}\times 0.839}\\\\(H^+]=0.00388=3.88\times 10^{-3}\\\\pH=3-log~3.88=2.41$

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2 years ago

The following models represent three different mixtures of the same solid in water,

velikii [3]

Answer:

Explanation:

bcuz the water in it is little

3 0

2 years ago