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Alchen [17]
3 years ago
10

Chad drank 2/3 liter of water Monday before going jogging. He drank 3/4 liter of water after his jog. How much water did chad dr

ink altogether?
SAT
2 answers:
Marizza181 [45]3 years ago
8 0
The correct answer is 15/12
Nata [24]3 years ago
4 0

Answer:

15/12

Explanation:

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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

6 0
2 years ago
Banks use debit-to-income ratios in order to:
erma4kov [3.2K]
The answer is D. Analyse the value of a borrowers home and cars to be used as collateral for a loan.
7 0
3 years ago
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In this stanza, prufrock repeats "do i dare?" three times. What does the repetition indicate about his state of mind? he is inde
ASHA 777 [7]

The repetition of the phrase "do i dare?" three times indicates that: he is indecisive.

One of the central themes that were explored in "The Love Song of J. Alfred Prufrock" is the social anxiety that he experiences.

He is worried about people's conception of him and that is why before he descends the stairs, he wonders if he can dare face the people because of the bald spot in the middle of his head and several other insecurities.

So, option A is correct.

Learn more about The Love Song of J. Alfred Prufrock here:

brainly.com/question/1566140

8 0
2 years ago
Patakarang Pang-ekonomiya sa<br>panahon ng mga Espanyol na nais<br>baguhin para sa kasalukuyan​
aliya0001 [1]

Answer:

Economic Policy in

period of the Spanish wish

change for the present

Explanation:

mark brainliest thanks

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3 years ago
If tu = 6 units, what must be true? su + ut = rt rt + tu = rs rs + su = ru tu + us = rs
Ivan

Answer:

Explanation:

If TU=6 then SU+UT= RT

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