Answer:
Genetic modification or GMOs can change foods. It's typically used to preserve foods, enlargen foods or create seedless grapes
Explanation:
The answer is 23, 040 minutes. To solve this you can start by changing days in to hours. We know that there are 24 hours in a day. To find how many hours are in 16 days you multiply 24 by 16 which is 384. Next you must find out how many minutes are in 384 hours. we know there are 60 minutes per hour. To find how many minutes are in 384 hours, you multiply 384 by 60. To this you get 23, 040 which is your answer.
Around 36 or 37 days, because of the decimal
Answer:
The concentration is
Explanation:
From the question we are told that
The voltage of the cell is 
Generally the reaction at the cathode is
the half cell voltage is V_c = 0.337 V
Generally the reaction at the anode is
the half cell voltage is V_a = -0.337 V
Gnerally the reaction of the cell is

At initial the voltage is V = 0 V
Generally the voltage of the cell at 25°C is
![E = V - \frac{0.0591}{n} log \frac{[Cu^{2+}] _a}{[Cu^{2+}]_c}](https://tex.z-dn.net/?f=E%20%3D%20%20V%20%20-%20%5Cfrac%7B0.0591%7D%7Bn%7D%20log%20%5Cfrac%7B%5BCu%5E%7B2%2B%7D%5D%20_a%7D%7B%5BCu%5E%7B2%2B%7D%5D_c%7D)
Here n is number of of electron and it is 2
So from the question we are told that one cell has a concentration 1.5 x 10-3 M
Let assume it is ![[Cu^{2+}]_c](https://tex.z-dn.net/?f=%5BCu%5E%7B2%2B%7D%5D_c)
So
![0.22= 0 - \frac{0.0591}{2} log \frac{[Cu^{2+}] _a}{ 1.5 * 10^{-3} }](https://tex.z-dn.net/?f=0.22%3D%20%200%20%20-%20%5Cfrac%7B0.0591%7D%7B2%7D%20log%20%5Cfrac%7B%5BCu%5E%7B2%2B%7D%5D%20_a%7D%7B%20%201.5%20%2A%2010%5E%7B-3%7D%20%7D)
=> ![-7.445 = log \frac{[Cu^{2+}] _a}{ 1.5 * 10^{-3} }](https://tex.z-dn.net/?f=-7.445%20%3D%20%20%20%20%20log%20%5Cfrac%7B%5BCu%5E%7B2%2B%7D%5D%20_a%7D%7B%20%201.5%20%2A%2010%5E%7B-3%7D%20%7D)
=> ![-7.445 = log [Cu^{2+}_a] - log [1.5*10^{-3}]](https://tex.z-dn.net/?f=-7.445%20%3D%20%20%20%20%20log%20%5BCu%5E%7B2%2B%7D_a%5D%20-%20log%20%5B1.5%2A10%5E%7B-3%7D%5D)
=> ![-7.445 + log [1.5*10^{-3} = log [Cu^{2+}_a]](https://tex.z-dn.net/?f=-7.445%20%20%2B%20log%20%5B1.5%2A10%5E%7B-3%7D%20%3D%20%20%20%20%20log%20%5BCu%5E%7B2%2B%7D_a%5D%20)
=> ![-7.445 - 2.824 = log [Cu^{2+}_a]](https://tex.z-dn.net/?f=-7.445%20%20-%202.824%20%3D%20%20%20%20%20log%20%5BCu%5E%7B2%2B%7D_a%5D%20)
Taking the antilog
=>
=>