Answer: The Anode reaction is 
Explanation:
Oxidation-reduction reaction or redox reaction is defined as the reaction in which oxidation and reduction reactions occur simultaneously.
Oxidation reaction is defined as the reaction in which a substance looses its electrons.Oxidation occurs at anode.
Anode : 
Reduction reaction is defined as the reaction in which a substance gains electrons. Reduction occurs at cathode.
Cathode : 
B) Accurate is the right answer
Answer:
You find a separatory funnel set up in a fume hood. There are clearly two visible layers. Describe a method you could use to determine which layer is the aqueous layer.
Explanation:
In the separating funnel, the liquid with less density exists at the top layer and the liquid with greater density will exist at the bottom layer.
To identify the aqueous layer, add a bit of water to the separating funnel.
Then, observe where the water will go and mix.
If it mixes with the bottom layer, then the bottom layer is the aqueous layer.
If water mixes with the top layer, then top layer is the aqueous layer.
Answer:
2, 4, 1, 3, 5
Explanation:
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<u>Answer:</u> The number of atoms in spherical gold nano particle are 
<u>Explanation:</u>
- To calculate the volume of sphere, we use the equation:

where,
r = radius of the sphere =
(Conversion factor:
)
Putting values in above equation, we get:

- To calculate mass of of the substance, we use the equation:

Volume of gold = 
Density of gold = 
Putting values in above equation, we get:

- To calculate the number of moles, we use the equation:

Mass of gold = 
Molar mass of gold = 196.97 g/mol
Putting values in above equation, we get:

- According to mole concept:
1 mole of an element contains
number of atom
So,
moles of gold will contain =
number of atoms.
Hence, the number of atoms in spherical gold nano particle are 