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Vsevolod [243]
2 years ago
7

What is this equation?

Chemistry
1 answer:
DIA [1.3K]2 years ago
8 0

2C_{7}H_{10} + 19O_{2} → 14CO_{2} + 10H_{2}O

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The standard reduction potentials for the Ag+|Ag(s) and Zn2+| Zn(s) half-cell reactions are +0.799 V and -0.762 V, respectively.
mihalych1998 [28]

<u>Answer:</u> The potential of the given cell is 1.551 V

<u>Explanation:</u>

The given chemical cell follows:

Zn(s)|Zn^{2+}(0.125M)||Ag^{+}(0.240M)|Ag(s)

<u>Oxidation half reaction:</u> Zn(s)\rightarrow Zn^{2+}(0.125M)+2e^-;E^o_{Zn^{2+}/Zn}=-0.762V

<u>Reduction half reaction:</u> Ag^{+}(0.240M)+e^-\rightarrow Ag(s);E^o_{Ag^{+}/Ag}=0.799V       ( × 2)

<u>Net cell reaction:</u> Zn(s)+2Ag^{+}(0.240M)\rightarrow Zn^{2+}(0.125M)+2Ag(s)

Oxidation reaction occurs at anode and reduction reaction occurs at cathode.

To calculate the E^o_{cell} of the reaction, we use the equation:

E^o_{cell}=E^o_{cathode}-E^o_{anode}

Putting values in above equation, we get:

E^o_{cell}=0.799-(-0.762)=1.561V

To calculate the EMF of the cell, we use the Nernst equation, which is:

E_{cell}=E^o_{cell}-\frac{0.059}{n}\log \frac{[Zn^{2+}]}{[Ag^{+}]^2}

where,

E_{cell} = electrode potential of the cell = ? V

E^o_{cell} = standard electrode potential of the cell = +1.561 V

n = number of electrons exchanged = 2

[Zn^{2+}]=0.125M

[Ag^{+}]=0.240M

Putting values in above equation, we get:

E_{cell}=1.561-\frac{0.059}{2}\times \log(\frac{(0.125)}{(0.240)^2})

E_{cell}=1.551V

Hence, the potential of the given cell is 1.551 V

6 0
3 years ago
Explain why oxygen has a higher ionization energy than phosphorus
muminat
Because it is less stable than phosphorous
8 0
3 years ago
Fill in the blanks to complete each statement about the heating of Earth's surface.
Aleonysh [2.5K]

Earth takes in thermal energy from the Sun in a process called thermal radiation.

Sunlight strikes Earth's surface at different angles. This angle is called the angle of insolation.

<h3>What is thermal energy?</h3>

Thermal energy refers to the energy contained within a system that is responsible for its temperature.

Earth takes in thermal energy from the Sun in a process called thermal radiation.

Sunlight strikes Earth's surface at different angles. This angle is called the angle of insolation.

Learn more about thermal energy here:

brainly.com/question/11278589

#SPJ1

7 0
2 years ago
How many bonds are present in Cl20?<br> a. 2<br> b. 4<br> c. 1<br> d. 3
steposvetlana [31]

Answer:

A. 2 bonds

Explanation:

If you see a charch of ci20 it would easily show the answer.

8 0
3 years ago
What is the balanced form of the chemical equation shown below?
anzhelika [568]

Answer:

C2H5OH +3O2 = 2Co2+ 3H2O

Explanation:

3 0
3 years ago
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