What is the function of nucleosomes ?
2 answers:
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Answer:
1,1-, (Z)-1,2-, and (E)-1,2-dibromoethene
Explanation:
Their structures are shown below.
The 1,2-dibromoethenes (2 and 3) are positional isomers
of 1,1-dibromoethene (1).
(Z)-1,2-dibromoethene (2) and (E)-1,2-dibromoethene (3) are stereoisomers (geometric isomers) of each other.
Answer : The activation energy for the reaction is, 51.9 kJ
Explanation :
According to the Arrhenius equation,
or,
where,
= rate constant at 295 K
= rate constant at 305 K =
Ea = activation energy for the reaction = ?
R = gas constant = 8.314 J/mole.K
= initial temperature = 295 K
= final temperature = 305 K
Now put all the given values in this formula, we get:
Therefore, the activation energy for the reaction is, 51.9 kJ