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3 years ago

Is frying fish in hot oil a chemical change?

Chemistry

1 answer:

il63 [147K]3 years ago

5 0

Yes because a chemical change is defined by dictionary.com in the picture below

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Determine the overall reaction and its standard cell potential (in V) at 25°C for the reaction involving the galvanic cell made

mel-nik [20]

Answer:

Standard cell potential is 0.56V

Explanation:

Standard reduction potential ( $E^{0}$ ) are given below-

$E_{Cu^{+}\mid Cu}^{0}=0.52V$

$E_{Fe^{3+}\mid Fe}^{0}=-0.04V$

As $E_{Cu^{+}\mid Cu}^{0}$ is greater than $E_{Fe^{3+}\mid Fe}^{0}$ therefore Fe will be oxidized to $Fe^{3+}$ and $Cu^{+}$ will be reduced to Cu

Oxidation: $Fe(s)-3e^{-}\rightarrow Fe^{3+}(aq.)$

Reduction: $Cu^{+}(aq.)+e^{-}\rightarrow Cu(s)$

------------------------------------------------------------------------------------------------------

Overall: $Fe(s)+3Cu^{+}(aq.)\rightarrow Fe^{3+}(aq.)+3Cu(s)$

Standard cell potential, $E_{cell}^{0}=E_{Cu^{+}\mid Cu}^{0}-E_{Fe^{3+}\mid Fe}^{0}=(0.52+0.04)V=0.56V$

3 0

4 years ago

Which of the following is NOT a part of cell theory?

astraxan [27]

Answer:

What is the following?

Explanation:

I think I can answer this, I recognize the question

6 0

3 years ago

Read 2 more answers

10 points) Which is larger? Ba²+ or Ba explain

lutik1710 [3]

Answer:

Ba is larger than Ba2 + B a 2 + because it has two more electrons.

Explanation:

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6 0

1 year ago

When heated water becomes water vapor and turns from a liquid to a gas, what process is occurring?

Paladinen [302]

B.) When heated water becomes water vapor and turns from a liquid to a gas, "Evaporation" is Occurring.

Hope this helps!

3 0

3 years ago

Read 2 more answers

At equal concentrations would a nonelectrolyte (e.g. glucose) or electrolyte (e.g. nacl) containing solution have a lower freezi

Anestetic [448]

Answer is: solution of electrolyte will have lower freezing point than solution of nonelectrolyte.
This is because salt solution has more particles in of sodium chloride (sodium and chlorine ions) than in same concentration of glucose. Electrolytes better separates into particles in water because of their ionic bond.

6 0

4 years ago