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2 years ago

Which of the following is not a step in balancing redox reactions in acidic solution, using the half-reaction method?

2 answers:

7 0

B <span>Divide the chemical equation into two half-reaction equations, identifying which half-reaction is oxidation and which is reduction
</span>

marishachu [46]2 years ago

3 0

Answer:

The answer would be A). H2O and OH- are added as needed to the half-reaction equations to make the number of oxygen and hydrogen atoms balance.

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Use the following equation to answer question 1-4. Make sure you balance first.

worty [1.4K]

<h3>Answer:</h3>

5.2 mol H₂O

<h3>General Formulas and Concepts:</h3>

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

<u>Chemistry</u>

<u>Stoichiometry</u>

Using Dimensional Analysis

<h3>Explanation:</h3>

<u>Step 1: Define</u>

[RxN - Balanced] 6HCl + Fe₂O₃ → 2FeCl₃ + 3H₂O

[Given] 10.4 mol HCl

<u>Step 2: Identify Conversions</u>

[RxN] 6 mol HCl = 3 mol H₂O

<u>Step 3: Stoichiometry</u>

Set up: $\displaystyle 10.4 \ mol \ HCl(\frac{3 \ mol \ H_2O}{6 \ mol \ HCl})$
Multiply/Divide: $\displaystyle 5.2 \ mol \ H_2O$

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2 years ago

During which change of state does the motion of the atoms decrease?

Illusion [34]

The motion of atoms decrease when there is a decrease in velocity and kinetic energy that is decrease in temperature. this occurs during freezing and condensation.

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2 years ago

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You've just returned to school from spring break and all of the plants in your classroom are wilted and looking bad. What do you

SpyIntel [72]

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2 years ago

How many electrons does it in lithium.

slega [8]

There are 3 electrons in lithium : )

*hope this helps, have a good day/ night wherever you are!!*

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3 years ago

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In the image to the right, a student is completing an experiment. What should the student do in order to follow the safety guide

attashe74 [19]

Wear gloves when handling chemicals.

Make sure that none of the liquids near the Bunsen burner are flammable.

Explanation:

The safety precautions the student must apply while completing his experiment is that he/she must wear gloves while handling the chemicals and they must make sure that none of the liquids near the Bunsen burner are flammable.

Safety guidelines provides a detailed and careful way to carry out experiment and observations in the laboratory.
This is all in a bid to accidents in the workspace.
It is a good practices to wear gloves and laboratory coat while handling chemicals.
Also make sure to put out the Bunsen burner when not in use.
Keep papers and books away from the work area. Chemicals and papers are not friends.
Ensure that flammable liquids are not close to the Burner.

learn more:

Safety cautions brainly.com/question/4543399

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3 years ago

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