Answer: Here are the complete options.
A spontaneous process is one that occurs very quickly. A process that is spontaneous in one direction is nonspontaneous in the other direction under a given set of conditions, provided the system is not at equilibrium. A spontaneous process is one that occurs without continuous input of energy from outside the system. A process is spontaneous if it must be continuously forced or driven.
The correct option is
A spontaneous process is one that occurs without continuous input of energy from outside the system.
A process that is spontaneous in one direction is nonspontaneous in the other direction under a given set of conditions, provided the system is not at equilibrium
Explanation:
spontaneous process is one that occurs without continuous input of energy from outside the system and occur on its own because spontaneous processes are thermodynamically favorable characterized by a decrease in the system's free energy, they do not need to be driven by an outside source of energy. Which means that the initial energy is higher than the final energy.
A process that is spontaneous in one direction is nonspontaneous in the other direction under a given set of conditions, provided the system is not at equilibrium which will result to The sign of ΔG will change from positive to negative (or vice versa) where T = ΔH/ΔS. In cases where ΔG is: negative
3 there are three different chemical symbols on each side of the equation
Half life is determined using the equation expressed as:
A = Ao e^-kt
First, we need to find for the value k.
A = .67Ao = Ao e<span>^-k(33 min)
k = 0.0121
The half-life is then calculated as follows:
</span>A = .5Ao = Ao e<span>^-0.0121(t)
</span><span>t = 57.28 min
</span>
Answer:
1. Calcium and fluorine
Symbol Ca F
Charges +2 1−
Formula CaF
2
2. Hydrogen and sulphur
Symbol H S
Charges 1+ 2−
Formula H
2
S
3. Nitrogen and hydrogen
Symbol N H
Charges 3− 1+
Formula NH
3
4. Carbon and chlorine
Symbol C Cl
Charges 4+ 1−
Formula CCl
4
5. Sodium and oxygen
Symbol Na O
Charges 1+ 2−
Formula Na
2
O
6. Carbon and oxygen.
Symbol C O
Charges 4+ 2−
C
2
O
4
i. e.
Formula CO
2
Explanation:
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2,2-Dimethyloctane is the correct name.
Eight C atoms make up the longest continuous carbon chain, hence the term "octane" for this molecule.
<h3>Description of the chemical structure</h3>
- There are 31 bonds in the 2,2-Dimethyloctane molecule overall (s) There are 5 rotatable bonds and 9 non-H bonds (s).
- Skeletal formula, which is the accepted notation for organic compounds, is another name for the 2D chemical structure illustration of 2,2-Dimethyloctane.
- Skeletal formula, which is the accepted notation for organic compounds, is another name for the 2D chemical structure illustration of 2,2-Dimethyloctane.
- In the 2,2-Dimethyloctane chemical structure, the carbon atoms are implied to be at the corner(s) and hydrogen atoms coupled to carbon atoms are not mentioned; instead, it is assumed that each carbon atom is connected to enough hydrogen atoms to form four bonds.
- Based on the ball-and-stick model, which shows both the three-dimensional position of the atoms and the bonds tying them together, the 3D chemical structure image of 2,2-Dimethyloctane is created.
- In order to provide a clearer picture of the atoms and bonds throughout the 2,2-Dimethyloctane chemical structure model, the radius of the spheres is thus smaller than the rod lengths.
<h3>
Molecular Formula - 
</h3><h3>Chemical Properties</h3>
- Calculated Log P: 6.434
- Molecular Weight: 142.2838
- Bonds That Rotate: 9
- H Acceptors :
<h3>uses </h3>
2,2-Dimethyloctane, a gasoline hydrocarbon byproduct of aerobic biodegradation.
learn more about Dimethyloctane here
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