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LekaFEV [45]
3 years ago
8

How did Dalton describe the relationship between atoms and elements? An element is made up of one kind of atom. Atoms are made u

p of combinations of elements. Elements are made up of atoms arranged in whole-number ratios. Different kinds of atoms chemically combine to form elements.
Chemistry
2 answers:
victus00 [196]3 years ago
5 0

Answer: An element os made up of one kind of atom.

Explanation: Dalton's concept states that all atoms of an element is identical.

Sliva [168]3 years ago
4 0

Answer:

An element is made up of one kind of atom.

Explanation:

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Water, also known as H2O, cannot be separated into hydrogen and oxygen.
Dmitry [639]

Answer:

So, H2O means two atoms of hydrogen mixed with one atom of oxygen. All pure water is the same, two parts hydrogen to one part oxygen. ... Water cannot be separated by any physical means.

Explanation:

Logic and my notes from chem....

6 0
3 years ago
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In the reaction Fe2O3 + 3CO a 2Fe + 3CO2, 10 moles of solid iron and 15 moles of carbon dioxide are produced from 5 moles of iro
Schach [20]

Answer:

Ratio is 3:2

3CO = 2Fe or 1.5 CO = 1 Fe

Explanation:

Fe2O3 + 3CO = 2Fe + 3CO2

Fe2O3 = Iron (|||) oxide

CO = Carbon monoxide

Fe = Solid Iron

CO2 = Carbon dioxide

Excellent is already balanced.

10 Moles Fe and 15 Moles of CO2

5 Moles Fe2O3 + 15 Moles 3CO = 10 Moles Fe + 15 Moles 3CO2

What is the ratio of carbon monoxide to solid iron

Ratio is 3:2 or 1.5 CO = 1 Fe

5 0
3 years ago
When rust forms on a piece of iron, what evidence do you have that a chemical reaction has taken place??
-BARSIC- [3]

Answer:

You know that a chemical reaction has taken place because there is a material a color change.

Explanation:

7 0
3 years ago
1. How many moles of HNO3 will be produced with .51 mol of N2O5 according to the
aleksklad [387]
<h3>Answer:</h3>

1.02 moles

<h3>Explanation:</h3>

<u>We are given;</u>

  • The equation;

N₂O₅ + H₂O → 2HNO₃

  • Moles of N₂O₅ is 0.51 moles

We are required to determine the number of moles of HNO₃ produced.

First, we need to identify the mole ratio of N₂O₅ to HNO₃

  • From the equation 1 mole of N₂O₅ reacts to produce 2 moles of HNO₃
  • Therefore, the mole ratio of N₂O₅ to HNO₃ is 1 : 2

Second; we can determine the moles of HNO₃

  • From the mole ratio;

Moles of HNO₃ = Moles of N₂O₅ × 2

                         = 0.51 Moles × 2

                         = 1.02 moles

Thus, the number of moles of HNO₃ that will be produced is 1.02 moles

8 0
3 years ago
According to the narrator<br>people who can not see<br>only take in the ________​
Vladimir79 [104]

third person point of view

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4 years ago
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