To determine the electrons gained in this redox reaction, we must balance the charges on the side containing the reduced substance and the side with oxidized substance. In this case, the reduced substance is Pb2+ and the oxidized substance is Cr. In each side, 6 electrons are gained or lose to balance the charges. The answer is 6 electrons.
Answer:
![[NO]=\frac{k_{-1}}{k_1} [N_2O_2]](https://tex.z-dn.net/?f=%5BNO%5D%3D%5Cfrac%7Bk_%7B-1%7D%7D%7Bk_1%7D%20%5BN_2O_2%5D)
Explanation:
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In this case, since the reaction may be assumed in chemical equilibrium, we can write up the rate law as shown below:
![r=-k_1[NO]+k_{-1}[N_2O_2]](https://tex.z-dn.net/?f=r%3D-k_1%5BNO%5D%2Bk_%7B-1%7D%5BN_2O_2%5D)
However, since the rate of reaction at equilibrium is zero, due to the fact that the concentrations remains the same, we can write:
![0=-k_1[NO]+k_{-1}[N_2O_2]](https://tex.z-dn.net/?f=0%3D-k_1%5BNO%5D%2Bk_%7B-1%7D%5BN_2O_2%5D)
Which can be also written as:
![k_1[NO]=k_{-1}[N_2O_2]](https://tex.z-dn.net/?f=k_1%5BNO%5D%3Dk_%7B-1%7D%5BN_2O_2%5D)
Then, we solve for the concentration of NO to obtain:
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Answer:
The right choice is "wind power requires a lot of space and depends on local weather patterns "
Explanation:
- solar power produces harmful chemicals
- it is incorrect because solar power doesn't produce any chemicals
2. geothermal power requires more land than other power plants
-
it is incorrect because geothermal power requires digging a stable 5 km-deep shaft not a land
3. nuclear power produces small amounts of energy from large masses
- it is incorrect because nuclear power produces large amounts of energy from small masses.
So the right choice is "wind power requires a lot of space and depends on local weather patterns "
Neurons- transmit nerve impulses. And Neuroglial cells- are non-conducting “support cells” of nervous tissue.
