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Leno4ka [110]
2 years ago
8

1H41B LAPILLACALHADLPCORTBLODDLESSELS​

Chemistry
2 answers:
PilotLPTM [1.2K]2 years ago
5 0
Blood vessels is the correct answers
Lemur [1.5K]2 years ago
3 0

Answer:

Ello, estoy aquí para ayudar, pero hablo español, con suerte, entenderás que lo estoy intentando.

56738w7421098548091672949123749279102

Explanation:

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How many atoms are present in 179.0 g of iridium?
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Read 2 more answers
Calculate the equilibrium constant at 25 ∘C for the reaction Fe(s)+2Ag+(aq)→Fe2+(aq)+2Ag(s)
Murrr4er [49]

Answer:

1.7 × 10 ^42

Explanation:

Using Nernst equation

E°cell = RT/nF Inq

at equilibrium

Q=K

E°cell  = 0.0257 /n Ink= 0.0592/n log K

Fe2+(aq)+2e−→Fe(s)     E∘= −0.45 V

Ag+aq)+e−→Ag(s)         E∘= 0.80 V

Fe(s)+2Ag+(aq)→Fe2+(aq)+2Ag(s)

balance the reaction

Fe → Fe²⁺ + 2e⁻  reversing for oxidation E° = 0.45 v

2 Ag⁺ +2e⁻ → 2Ag

n = 2 moles  and K = equilibrium constant

E° cell = 0.80 + 0.45 = 1.25 V

E° cell = (0.0592 / n) log K  

substitute the value into the equations and solve for K

(1.25 × 2) / 0.0592  = log K

42.23 = log K

k = 10^ 42.23

K = 1.7 × 10 ^42

8 0
3 years ago
Write with example of any three changes in the state of matter in daily life​​
Stella [2.4K]

Answer:

just wait 3 minutes ill tell you the answer cause its in my book

Explanation:

7 0
3 years ago
An 85.0 g sample of iron requires 954 J of heat to raise its temperature 25.0°C. What is the specific heat of the iron? \
Zanzabum

Answer:448.9 J/kg °C

Explanation:

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7 0
3 years ago
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