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Sav [38]
3 years ago
6

4

Chemistry
1 answer:
Stolb23 [73]3 years ago
6 0

Answer:

Um english please I don’t know Jewish

Explanation:

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What is the reaction rate for a chemical reaction?
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Some are essentially instantaneous, while others may take years to reach equilibrium. The Reaction Rate for a given chemical reaction is the measure of the change in concentration of the reactants or the change in concentration of the products per unit time.
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The atom is one of the basic units of matter. Which part of the atom mostly determines the size of the atom?
dedylja [7]

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Atomic size is the distance from the nucleus to the valence shell where the valence electrons are located. The separation that occurs because electrons have the same charge. The number of protons in the nucleus. The core electrons in an atom interfere with the attraction of the nucleus for the outermost electrons.

Explanation:

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The question in the picture <br>plz help <br>and give me an explanation​
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<h3>B. CH3CH2CH2CH2CH2C1</h3>

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3 years ago
Turn on Write equation. What you see is an equation that shows the original uranium atom on the left. The boxes on the right rep
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Answer:

Uranium-238 undergoes alpha decay to form Thorium-234 as daughter product.

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_{92} ^{238} U_{}→ _{90} ^{234} Th_{} + _{2} ^{4} He_{}

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6 0
4 years ago
The diagram shows the displayed formula of a substance. Is this an element, a compound or a mixture?
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<h3>Answer:</h3>

A compound

<h3>Explanation:</h3>
  • The diagram above shows a compound.
  • An element is a pure substance that contains similar types of atoms and can not be broken down into simpler units using chemical means.
  • A compound is made up of two or more elements that are chemically combined. It contains atoms of different elements and its properties are different from those of individual elements.
  • For example, the above figure shows a compound made up of hydrogen atoms, carbon atoms, and an oxygen atom.
  • A mixture, on the other hand, is a substance that contains two or more components that are physically combined.
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