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Answer:
0.000133046 V
Explanation:
B = Magnetic field = 7 T
t = Time = 20 s
d = Diameter = 2.2 cm
r = Radius =
A = Area =
Induced emf is given by
The induced emf is 0.000133046 V
We convert from degrees Celsius to degrees Kelvin,
- <em>Initial Temperature</em>
- <em>Coolent Temperature</em>
Convective temperature coefficient,
For steel we have to,
Given the error equation, then
A)
At x=0
From the tables,
B)
At
At this value
Sodium sulfide formula is Na₂S.
Na is a group 1 element, it has one valence electron therefore it is ready to give that valence electron and form an ionic bond. Once it gives out the electron it becomes a positive ion - Na⁺
sulfur is a group 6 element, has 6 electrons its outer shell and needs to gain 2 more electrons to become stable. Once it gains 2 electrons it becomes a negative ion - S²⁻.
Since Na only gives out 1 electron, S²⁻ ion needs to take in 2 electrons, therefore forms an ionic compound with 2 Na⁺ ions.
decomposition of Na₂S is as follows;
Na₂S(s) --> 2Na⁺(aq) + S²⁻ (aq)
Answer:
There are 5847.95 lines per cm for the grating.
Explanation:
Given that,
Wavelength of mercury line,
Angle in the third order spectrum,
Using the grating equation, we get :
Here, m = 3
Let there are N lines for the grating. So,
So, there are 5847.95 lines per cm for the grating.