Name the structure. CHC H.CH2CH2i CHC CH3 A) 7-chloro-3-ethyl-4-methyl-3-heptene
B) 1-chloro-5-ethyl-4-methyl-3-heptene x
C) 1-chloro-3-pentenyl-2-pentene x
D) cis-7-chloro-3-ethyl-4-methyl-3-heptene
E) trans-7-chloro-3-ethyl-4-methyl-3-heptene
Answers
The question is incomplete. The complete question is attached below.
Answer : The correct option is, (A) 7-chloro-3-ethyl-4-methyl-3-heptene
Explanation :
The rules for naming of alkene are :
First select the longest possible carbon chain.
The longest possible carbon chain should include the carbons of double bonds.
The naming of alkene by adding the suffix -ene.
The numbering is done in such a way that first carbon of double bond gets the lowest number.
The carbon atoms of the double bond get the preference over the other substituents present in the parent chain.
If two or more similar alkyl groups are present in a compound, the words di-, tri-, tetra- and so on are used to specify the number of times of the alkyl groups in the chain.
The given compound name will be, 7-chloro-3-ethyl-4-methyl-3-heptene.
The structure of given compound is shown below.
Final answer:
The structure given can be named as trans-7-chloro-3-ethyl-4-methyl-3-heptene.
Explanation:
The structure given can be named as trans-7-chloro-3-ethyl-4-methyl-3-heptene. The name is determined by identifying the longest carbon chain, the substituents attached to it, and their positions. In this case, the longest carbon chain has 7 carbons, with a chlorine atom attached at position 7. There is an ethyl group at position 3 and a methyl group at position 4. The presence of double bonds is indicated by the -ene ending.
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A rate equation can be written based on the rate constant k, concentration of reactants and half life time t1/2 of reactant if given. [A⁰] is the initial concentration of reactant A and [A]t be the final concentration.
What is rate of reaction?
Rate of a reaction is the rate of decrease in concentration of reactants or rate of increase in concentration of products. Rate of the reaction written in terms of molar concentration of reactants is called the rate law.
Consider the simplest reaction A gives B. Here the only one reactant is A. The molar concentration of A is written as [A]. The rate constant k is then,
k = [B] / [A]
If any coefficients attached with them it is written as power of the concentration term. Now, the rate of the above reaction is written as follows:
rate r = k [A]
Sometimes the initial and final concentrations of A can be considered. Where, [A⁰] is the initial concentration and [A]t be the final concentration.
The half life t1/2 is the time taken to consume half of the reactants concentration.
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t1/2= half life
[A]= final concentration
k= rate constant
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also both are colourless and dry gases....
Will give brainliest
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Answer:
When an electron is hit by a photon of light, it absorbs the quanta of energy the photon was carrying and moves to a higher energy state. This higher energy state is to imagine that the electron is now moving faster, (it has just been "hit" by a rapidly moving photon) Electrons therefore have to jump around within the atom as they either gain or lose energy
Explanation:
They gain or lose energy.
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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.
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basically studying chemicals
Final answer:
Chemistry is the study of the properties, composition, and structure of substances, and the transformations they undergo. It also deals with the energy exchanges in these processes. As "The Central Science", chemistry interrelates with numerous other scientific disciplines.
Explanation:
Chemistry, often referred to as "The Central Science", is a branch of science that deals with the properties, composition, and structure of substances (defined as elements and compounds), the transformations they undergo, and the energy that is released or absorbed during these processes. It plays a vital role in multiple disciplines such as biology, medicine and environmental science. It allows us to understand the makeup of substances, from the atomic level to complex molecules, and how they interact through chemical reactions.
One example of a branch of Chemistry is thermochemistry, which focuses on relationships between heat, work, and other types of energy in physical and chemical processes. Dalton's atomic theory, investigating quantitative and qualitative aspects of chemistry, also developed the concept of atomic mass units, allowing for the calculation of formula mass and the quantitative description of substances.
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