The 2 represents that it is a double carbon bond
it looks like..
C-C = C-C
Answer:
Explanation:
Adjusting entries:
S.no. Accounts title and explanation Debit $ Credit $
a. Accounts receivable 5800
Allowance for doubtful accounts 5800
(for reversing the write off)
b. Cash account 5800
Accounts receivable 5800
(for cash collection from write off account)
Answer:

Explanation:
The second line in the Pfund series corresponds to a transition from n = 7 to n = 5.
To calculate the wavelength of the transition, we can use the Rydberg equation:

where

If n₁ = 5 and n₂ = 7

