What is the correct formula for Na+ and (SO4)2- ?
2 answers:
Answer:
A)Na2SO4
Explanation:
When reaction between NaOH and H2SO4 take place then Na2SO4 comes out as a product.
Na2SO4 is a salt .We know that when base and acid react then salt will produce as a product.
Na2SO4 is called sodium sulfate.
Two sodium ions and one sulfuric ions make sodium sulfate.
So option A is correct.
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Answer:
The energy of the capacitors connected in parallel is 0.27 J
Given:
C =
C' =
Potential difference, V = 300 V
Solution:
Now, we know that the equivalent capacitance of the two parallel connected capacitors is given by:
The energy of the capacitor, E is given by;