Answer:Phase Transformation Temperatures
Density
Specific Gravity
Thermal Conductivity
Linear Coefficient of Thermal Expansion
Electrical Conductivity and Resistivity
Magnetic Permeability
Corrosion Resistance
Explanation:
<span> The thermal </span>energy<span> is being </span>converted<span> to light </span>energy,<span> you are using electrical </span>energy<span>. </span>Your body<span> relies on the chemical </span><span>energy</span>
Answer:
c) 30
Explanation:
In an atom , the relation between the subatomic particles of the atom are given as follows -
For a neutral atom ,
Atomic number = number of protons = number of electrons ,
Mass number = number of protons + number of neutrons,
Hence , from the given information of the question,
Atomic number of Manganese = 25 ,
mass number of Manganese = 55 ,
Now, to calculate the number of neutrons , the above relation can be used -
Mass number = number of protons + number of neutrons,
Rearranging ,
number of neutrons = Mass number - number of protons
substituting the respective values ,
number of neutrons = 55 - 25 = 30 .
The current needed to deposit all of the nickel in 5 hours is 2.219 A
<h3>
What is Faraday's Law of electrolysis?</h3>
According to the first law of Faraday, the amount of substance liberated at an electrode is directly proportional to the quantity of charge passed through an electrolyte.
m = zq , where z = electrochemical equivalent
An electrochemical equivalent is the mass of the substance liberated at an electrode when 1 Columb of charge is passed through the electrolyte.
For the nickel,

z = 2
The molar mass of NiS0₄ = 154.75 g
154.75 g of Ni needs 2 x 96485 C
32 g of Ni needs 
32 g of Ni needs 39944.79 C
We know,
q = It
Where q = charge
I = current and t = time in seconds
q = 39944.79 C and t = 5 x 60 x 60 = 18000 s

= 2.219 A
Hence, the current needed to deposit all the nickel is 2.219 A in 5 hours
Learn more about Faraday's law of electrolysis:
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