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3 years ago

To help you sleep, you should try to start unwinding______ minutes before you go to bed

SAT

2 answers:

adell [148]3 years ago

6 0

60 minutes. You need to relax and have a break, therefore, going to sleep will be a lot easier and more efficient.

zlopas [31]3 years ago

6 0

The best answer to your question would be 45-60 minutes before you got to bed. I hope this helps.

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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:

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

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

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

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

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

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2 years ago

Both texts (the speech and the advertisement) address voluntourism. However, each text has a different purpose, which is reflect

stealth61 [152]

<h3>What is Voluntourism?</h3>

This is a word which uses a combination of the words "volunteer" and "tourism" to note how travellers participate in volunteer work in a different location.

<h3>Purposes of Voluntourism</h3>

It is important to provide help to people who need it.
It shows deep care for travellers or tourists to try to take care of the needs of people they barely know.
It gives people the chance to experience a new culture.

Please note that your question is incomplete so I gave you a general overview so that you can have a better understanding of the concept.

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2 years ago

Which organization would be considered a nonbank institution

inna [77]

The organization that would be considered a nonbank institution is b) Missouri Public School Retirement System.

<h3>What is nonbank institution?</h3>

A non-banking financial institution can be regarded as financial institution that does not have a full banking license .

In this case, The organization that would be considered a nonbank institution is b) Missouri Public School Retirement System.

CHECK THE COMPLETE QUESTION BELOW:
Which of the following organizations would be considered a nonbank institution?

a) Educational Employees Credit Union

b) Missouri Public School Retirement System

c) Southwest Savings Bank

d) Heartland Bank

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2 years ago

Consider the outcomes of nation building in africa

Reika [66]

The outcomes of nation building in Africa is that it has lead to a lot of development such as making of sewer systems, roads, and good jobs.

<h3>What is nation-building in Africa?</h3>

This is known as the act of creating a group national identity in a given territory known to be called a nation building.

Not that Africa has been fractured by colonialism and as such he outcomes of nation building in Africa is that it has lead to a lot of development such as making of sewer systems, roads, and good jobs.

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2 years ago

Amazon fresh is a grocery delivery service that offers customers the option of purchasing.

Oksanka [162]

Amazon Fresh is an online grocery delivery service that was established to offer customers the option to purchase: their groceries online while being delivered to them on schedule.

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Basically, the main purpose of Amazon Fresh is to serve as an online grocery delivery service that offer customers in most major U.S. cities, the option to purchase their groceries online while they are delivered to them on schedule.

Some examples of the groceries that can be purchased on Amazon Fresh include the following:

Tomato

Potato

Carrot

Fruits

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2 years ago