Protists belong to the group eukaryotes (having their DNA enclosed
inside the nucleus). They are not plants, nimals or fungi but they act like
one. They can be in general subgroups such as unicellular algae, protozoa and
molds. They thrive in environments with little sunlight. The answer is
letter B.
I just took a test with this question and got the answer wrong for saying ethane. The correct answer is propane.
Answer:
![5.225x10^{22}atoms\ I](https://tex.z-dn.net/?f=5.225x10%5E%7B22%7Datoms%5C%20I)
Explanation:
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In this case, since 12.75 g of calcium iodide has the following number of moles (molar mass = 293.89 g/mol):
![n_{CaI_2}=12.75gCaI_2*\frac{1molCaI_2}{293.89gCaI_2}=0.0434molCaI_2](https://tex.z-dn.net/?f=n_%7BCaI_2%7D%3D12.75gCaI_2%2A%5Cfrac%7B1molCaI_2%7D%7B293.89gCaI_2%7D%3D0.0434molCaI_2)
In such a way, since 1 mole of calcium iodide contains 2 moles of atoms of iodine, and one mole of atoms of iodine contains 6.022x10²³ atoms (Avogadro's number), we compute the resulting atoms as shown below:
![atoms\ I=0.0434molCaI_2*\frac{2molI}{1molCaI_2} *\frac{6.022x10^{23}atoms\ I}{1molI} \\\\atoms\ I = 5.225x10^{22}atoms\ I](https://tex.z-dn.net/?f=atoms%5C%20I%3D0.0434molCaI_2%2A%5Cfrac%7B2molI%7D%7B1molCaI_2%7D%20%2A%5Cfrac%7B6.022x10%5E%7B23%7Datoms%5C%20I%7D%7B1molI%7D%20%5C%5C%5C%5Catoms%5C%20I%20%3D%205.225x10%5E%7B22%7Datoms%5C%20I)
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Answer:
a.reducing agent reduces other elements and make itself oxidized
b.Oxidizing agent reduces itself and make other element oxidized
c.Oxidation state is apparent charge on an atom
Explanation:
Answer:
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