Answer:
D) Fe3+ + 3e− → Fe (s) Eo = −0.036V
Explanation:
In electrolysis we have to add electrical energy for redox reactions non-spontaneous because ΔºG is positive.
These 4 reduction reactions are all non-spontaneous because their reduction potentials are negative (ΔGº = - nFεº , ΔGº will be positive). So the ion most easily reduced is the least negative, in this case Fe3+ + 3e− → Fe (s) Eo = −0.036V.
The flow/transfer of energy
It’s Tetracarbon dioxide :)
Answer:
They grow slowly over time, they are made up of multiple organisms.
Explanation:
One polyp is one individual. A Coral is made up of several polyps. Each polyp is less than 1 centimeters but a coral is made of many polyp so the coral itself cant be 1 centimeters across.
Answer 1:
For compound A:
<span>2.8 g of nitrogen for each 1.6 g of oxygen
</span>Atomic weight of N = 14
Atomic weight of O = 16
Thus, number of moles of N = 2.8/14 = 0.2
and number of moles of O = 1.6/16 = 0.1
Thus, molar ratio of N and O in compound is 2:1.
Therefore, <span>lowest whole-number mass ratio of nitrogen that combines with a given mass of oxygen is 2:1. And the compound formed is N2O.
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</span>Answer 2:
For compound B:
5.6 g of nitrogen for each 9.6 g of oxygen
Atomic weight of N = 14
Atomic weight of O = 16
Thus, number of moles of N = 5.6/14 = 0.4
and number of moles of O = 9.6/16 = 0.6
Thus, molar ratio of N and O in compound is 4:6 = 2:3.
Therefore, lowest whole-number mass ratio of nitrogen that combines with a given mass of oxygen is 2:3. And the compound formed is N2O3.