Answer:
The electron cloud - or - electron orbitals
Explanation:
Protons and neutrons are held in the nucleus of the atom; electrons orbit around the nucleus in orbitals. Modern atomic theory tells us that these orbitals are not necessarily a circular or elliptical path but more like a cloud-like area where electrons are likely to be found at any given time.
The chemical transformation of a carbon-carbon double bond is by addition reaction. The statement best describes the driving force is that the reaction is favorable because the total bond strength in the products is greater than in the reactants.
- A great number of reagents often found in inorganic and organic, have been known to add to the functional group of alkenes.
The bond energies of a molecule is simply known as the energies needed to break all the covalent bonds in the molecule.
When the bond energies of the product molecules is known to be greater than the bond energies of the reactants, the reaction is regarded as exothermic.
The full question is below
Which statement best describes the driving force behind the electrophilic addition of strong acid to an alkene?
The reaction is favorable because the pi bond is stronger than a sigma bond and it takes more energy to break it.
The reaction is favorable because a less stable, high-energy intermediate is formed.
The reaction is favorable because the first step is the rate-determining step.
The reaction is favorable because the total bond strength in the products is greater than in the reactants.
The reaction is favorable because the overall reaction is endothermic.
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:
You need to use the ideal gas equation:
P is pressure (in atm or bar)
V is volume (in L)
n is the number of moles (in mol)
R is an experimentally determined ratio of about 0.82
T is the temperature (in Kelvin)
Note:
For all gases, you need to convert Celsius or Fahrenheit to Kelvin.Get V alone.
Plug in the values you have.
you get:
A fun fact: the gas used to fill up a balloon is Helium.
Answer:
43.89 min
Explanation:
Given that:-
The speed of light =
The distance =
The conversion of distance in km to distance into m is shown below as:-
1 km = 1000 m
So,
Distance =
The relation between speed distance and time is shown below as:-
Thus,
Time = 2633.33 seconds
Also, 1 s = 1/60 min
So,
Time=
Answer:
Li to Zn2+
Explanation:
Because oxidation number of Li changes from 0 to 2+ it means that Li has lost two electrons and oxidation number of Zn2+ changes to Zn which means Zn received two electrons.