It is called a phenyl group
Answer:
Explanation:
OK this is simple
i'll try to do the unanswered question
CaCl2
In the table
You look for calcium,Ca you fill 1
THen for Chloride=2
i hope you've understood
Answer:
n₁ = 2
Explanation:
The Rydberg formula is given by
1/λ = Rh x (1/n₁² - 1/n₂² ) where Rh = Rydberg´s constant , and n₁ and n₂ are the energy levels of the transitions involved.
The highest energy line in a series will happen when n2 tends to infinity, and then in
1/λ = Rh x (1/n₁² - 1/n₂² ) the term 1/n₂² in the limit is zero
1/λ = Rh x 1/n₁²
So lets solve for n₁² :
n₁² = Rh x λ = 109,737 cm⁻¹ x 365 x 10 ⁻⁷ cm = 4.00
n₁ = √4.00 = 2
This the value for the Balmer series.
Answer:
The answer to your question is: letter A.
Explanation:
In this conditions we observe that the acceleration is 1 m/s².
