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3 years ago

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ladessa [460]3 years ago

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Answer:

Thank you hope you are staying safe.

stepladder [879]3 years ago

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Answer:

Freeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee

thank you may god bless you.

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Answer: She can sell each ton of coffee for $3

Explanation: hope it helps

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2 years ago

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jok3333 [9.3K]

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3 years ago

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For the galvanic (voltaic) cell fe(s) + mn²⁺(aq) ⟶ fe²⁺(aq) + mn(s) (e° = 0.77 v at 25°c), what is [fe²⁺] if [mn²⁺] = 0.050 m an

Nuetrik [128]

The concentration of Iron in the galvanic (voltaic) cell Fe(s) + Mn²⁺(aq) ⟶ Fe²⁺(aq) + Mn(s) is 0.02297 M.

<h3>What is the Nernst Equation?</h3>

The Nernst equation enables us to identify the cell potential(voltage) in presence of non-standard conditions in a galvanic cell. It can be expressed by using the formula:

$\mathbf{E_{cell} = E_o - \dfrac{0.059}{n} \times log \dfrac{[Fe^+]}{[Mn^{2+}]}}$

where;

n = Number of electrons = 2
$\mathbf{E_o}$ = Initial voltage = 0.77 V
$\mathbf{E_{cell}}$ = Cell voltage = 0.78 V
$\mathbf{[Mn^{2+}]}$ = Manganese concentration = 0.050 M

Replacing the values into the above equation, we have:

$\mathbf{0.78 = 0.77 - \dfrac{0.059}{2} \times log \dfrac{[Fe^{2+}]}{[0.050]}}$

$\mathbf{0.78 -0.77= -0.0296\times log \dfrac{[Fe^{2+}]}{[0.050]}}$

$\mathbf{log^{-1} (-0.3378) = \dfrac{[Fe^{2+}]}{[0.050]}}$

$\mathbf{Fe^{2+} = (0.4594\times 0.050 )\ M}$

$\mathbf{Fe^{2+} =0.02297 \ M }$

Learn more about using the Nernst equation here:

brainly.com/question/24258023

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2 years ago

A user logs in to a virtual world and creates an animated character representing themselves, which they then use to move through

eduard

A virtual world is used to represent an online space.

The type of character created by the user is called an avatar

<h3>How to determine the character</h3>

From the question, we have the following features of the character created

The character is an animated character
The character interacts with other characters and objects
The character represents the user

When a character has the above features, then such character is called an avatar

Hence, the type of character created by the user is called an avatar