Answer:
Cretaceous Period
Explanation:
Dinosaurs went extinct about 65 million years ago (at the end of the Cretaceous Period), after living on Earth for about 165 million years.
Answer:
B = CHCl2 + Cl2 --> CHCl3 + Cl
Explanation:
Free radical halogenation is a chlorination reaction on Alkane hydrocarbons. This involves the splitting of molecules into radicals/ unstable molecules in the presence of sunlight/ U.V light which ensures bonding of the molecules.
Free radical chlorination is divided into 3 steps which are:
The initiation step
The propagation step
The termination step
So in reference to the question, propagation step involves two steps.
The first step is where the molecule in this case the methylene chloride(CH2Cl2) loses a hydrogen atom and then bond with a chlorine atom radical to give a nethylwnw chloride radical and HCl.
The second step involves the reaction of this methylene chloride got in the first step with chlorine molecule to form trichloride methane and a chlorine radical.
You would find in the attachment the 2 step mechanism.
Answer:
16 mol O2
Explanation:
CO + 2 O2 -> 2 CO2
1 mol CO -> 2 mol O2
8 mol CO -> x
x= (8 mol CO * 2 mol O2)/1 mol CO
x= 16 mol O2
Answer: https://study.com/academy/answer/complete-the-sentence-concerning-the-energy-level-diagram-for-the-hydrogen-atom-the-equation-relating-the-energy-separation-between-levels-in-the-h-atom-to-the-number-of-the-level-n-is-called-the-equation.html#:~:text=Answer%20and%20Explanation%3A,is%20called%20the%20Bohr's%20equation.
Bohr's equation
Explanation: https://study.com/academy/answer/complete-the-sentence-concerning-the-energy-level-diagram-for-the-hydrogen-atom-the-equation-relating-the-energy-separation-between-levels-in-the-h-atom-to-the-number-of-the-level-n-is-called-the-equation.html
Answer and Explanation: The equation relating the energy separation between levels in the H atom to the number of the level (n) is called the Bohr's equation.