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salantis [7]
3 years ago
5

The scientist finds fossilized remains of other species in the same rock layer as the trilobite. What can the scientist conclude

about
these other fossils?
Chemistry
1 answer:
Sophie [7]3 years ago
4 0

The Organisms that formed them likely lived during the Paleozoic era.

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Discuss elements and compounds by completing the following paragraph
pychu [463]

Elements are substances that are made up of the same atoms which are capable of taking part in a chemical reaction.

There are different types of elements which are represented by symbols gotten from the first letter or the first and any other letter in the name of the element.

Examples of elements include:

  • Hydrogen (H)
  • Carbon (C)
  • Nitrogen (N)
  • Sodium (Na)

When two or more of these elements combine together through a chemical bond, it leads to the formation of compounds.

Example of a compound includes:

  • NaCl: The element sodium combine, through electrochemical bonding, with another element chlorine to form the compound sodium chloride.

Learn more here:

brainly.com/question/17571315

3 0
3 years ago
In the following equation, which element has been reduced?
Mila [183]
The answer is A. you sre correct!
4 0
3 years ago
In each pair, choose the larger of the indicated quantities or state that the samples are equal:
masha68 [24]

<u>0.4 mol of </u>O_3 molecules has larger mass than 0.4 mol of O atoms

<h3>What are molecules?</h3>

The smallest component of a substance that possesses both its chemical and physical characteristics. One or more atoms make up molecules.

They may have the same atoms (for example, an oxygen molecule has two oxygen atoms) or different atoms if they have more than one (a water molecule has two hydrogen atoms and one oxygen atom). Biological molecules like DNA and proteins can include thousands of atoms.

the lowest recognised unit into which a pure material can be divided while retaining its chemical makeup and attributes is made up of two or more atoms.

Learn more about Molecules

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#SPJ4

5 0
1 year ago
both slicing a tomato and a chemical change such as burning toast cannot be reversed however why is slicing a tomato still consi
OverLord2011 [107]
Because the physical appearance change hope this helps
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5 0
3 years ago
Read 2 more answers
What is the limiting reactant in the following equation? How much Fe2O3 will be produced if 2.1 g of Fe with 2.1 g of O2?
Verizon [17]

Answer:

Fe is limiting, and it will produce .0188 mols of Fe2O3

Explanation:

after you convert both Fe and O2 to mols by using their molar mass, you see there is less Fe than O2 so that is your limiting reactant. To find the amount of Fe2O3 you devide the limiting reactant by it's coefeciant (4) then multiply it by the products coefficant (2). Let me know if you have any questions

8 0
3 years ago
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