select all statements that are true regarding tertiary radicals select all statements that are true regarding tertiary radicals tertiary radicals are more stable than primary radicals due to increased hyperconjugation from attached alkyl groups. the ch bond that leads to a tertiary radical via homolysis has a higher bond dissociation energy that the ch bond leading to a primary radical tertiary radical hybridization geometry is best described as sp2 hybridization rather than sp3 hybridization radical chlorination reactions are more regioselective than radical bromination reactions when a tertiary radical can form.
Answers
Tertiary radicals are stable free radicals with a carbon atom bonded to three other carbon atoms, making them less reactive than other free radicals. They are commonly used in various chemical reactions, such as radical polymerization and substitution reactions.
The following statements are factual regarding tertiary radicals:
1. Tertiary radicals are more stable than primary radicals due to increased hyperconjugation from attached alkyl groups.
2. The CH bond that leads to a tertiary radical via homolysis has a higher bond dissociation energy than the CH bond leading to a primary radical.
3. Tertiary radical hybridization geometry is best described as sp2 hybridization rather than sp3 hybridization.
4. Radical chlorination reactions are more regioselective than radical bromination reactions when a tertiary radical can form.
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Related Questions
Which statement about covalent compounds is FALSE?
Covalent compounds can contain as little as
a 2 atoms or as many as several thousand
atoms.
b
Covalent compounds can contain a maximum
of 4 different atoms.
C
Covalent compounds are held together by
covalent bonds.
d Covalent compounds contain only nonmetals.
Answers
Answer: b . Covalent compounds can contain a maximum of 4 different atoms.
Explanation:
The covalent compounds are those compounds that are formed between the non-metals via sharing of electrons. The bonds so formed between these non-metallic atoms are covalent. There can be two or several different kinds of atoms that can form covalent bonds with each other in a single molecule. They use the valence electrons for sharing. The maximum number of valence electrons can be seven.
Answer:
b.Covalent compounds can contain a maximum of 4 different atoms.
Explanation:
Covalent compounds can contain as little as the Covalent compounds can contain a maximum of 4 different atoms.
Covalent bonds are bonds formed between non-metals by the sharing of electrons. The bonds formed between these non-metal atoms in this way are covalent bonds. There can be two or more different types of atoms within a single molecule that can form covalent bonds with each other.Therefore , the correct answer is B.
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(1) What is the element with an electron configuration of 1s22s22p63s23p64s23d6?
(2) What is the element with an electron configuration of 1s22s22p63s23p6?
(3) What is the name of the element with a valence electron configuration of 4s1?
(4) What is the name of the element with a valence electron configuration of 2s22p5?
A. An element with the valence electron configuration 3s1 would form a monatomic ion with a charge of .
In order to form this ion, the element will (lose or gain) (1/2/3/4/5/6/7/8) electron(s) from/into the ( s/p/d/f/ s + p /s + d/ p + d) subshell(s).
B. An element with the valence electron configuration 3s23p3 would form a monatomic ion with a charge of .
In order to form this ion, the element will (lose or gain) (1/2/3/4/5/6/7/8) electron(s) from/into the( s/p/d/f/ s + p /s + d/ p + d) subshell(s).
Answers
(1) The element with an electron configuration of 1s22s22p63s23p64s23d6 is Iron (Fe).
The above electronic configuration is the repesentation of the electrons presents in different orbitals of the iron(Fe) .we have seen that all orbitals is completely filled before D orbital.
(2) The element with an electron configuration of 1s22s22p63s23p6 is Argon (Ar)
The above electronic configuration is the repesentation of the electrons presents in different orbitals of the Argon(Ar) .we have seen that all orbitals is completely filled.
(3) The name of the element with a valence electron configuration of 4s1 is Potassium (K)
The above electronic configuration is the repesentation of the electrons presents in different orbitals of thePotassium (K) .we have seen that all orbitals is completely filled before 4s1.
(4) The name of the element with a valence electron configuration of 2s22p5 is Flourine (F)
The above electronic configuration is the repesentation of the electrons presents in different orbitals of the Flourine (F) .we have seen that all orbitals is completely filled before 2p5.
A. An element with the valence electron configuration 3s1 would form a monatomic ion with a charge of +1. In order to form this ion, the element will lose one electron from the 3s subshell.
B. An element with the valence electron configuration 3s23p3 would form a triatomic ion with a charge of -3. In order to form this ion, the element will gain three electrons from the 3s and 3p subshells.
Elements achieve an inert gas configuration by gaining or losing electrons to attain a full valence shell of electrons, resulting in a stable electron configuration. This is also known as having a complete octet in their outermost energy level.
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Sodium will react with chlorine to form sodium chloride (NaCl). Another cation, magnesium, will also react with chlorine to form magnesium chloride.
Answers
Answer:
See explanation below
Explanation:
Sodium will react with chlorine to form sodium chloride NaCl.
Na is a group I metal with 1 valance electron to become one Na+ ion to bond with one Cl- ion
Magnesium will also react with chlorine to form magnesium chloride MgCl2
Mg is a group II metal with 2 valence electrons become one Mg2+ ion to bond with two Cl- ions.
Both Na and Mg are metals while Cl is non-metals so the bond between metal and non-metal is ionic bond.
Hope this helps.
B 1. What type of signal is represented by discrete values?
A analog
B continuous
C sine wave
D digital
Answers
Answer:
digital signal is the answer
Please help, and answer as much as you can.
Answers
Answer:
∴ Fractional distillation is the technique used to separate the fraction
Explanation:
A: Refinery gas
B: Gasoline fraction
C: Naphtha
D: Kerosene
E: Diesel Oil
F: Fuel oil fraction
G: Lubricating fraction
H: Bitumen
In which one of the following branches of natural science are properties of materials studied?
a.
Biology
b.
Chemistry
c.
Geology
d.
Astronomy
Answers
Answer:
chemistry
Explanation:
it is the study of structer, composition and change that matter undergoes
10. Make your own unique problem for your classmates to solve for the
independent, dependent, and controlled variables. Make sure to include the
answers.
Answers
Answer:
Explanation:
Problem:
In a gender based experiment, the blood pressure of different ages of men is been checked and recorded to determine if there is any correlation. What will be the independent, dependent and controlled variables?
Answer:
A controlled variable is the variable that is left constant throughout the course of an experiment. The controlled variable here is the gender.
A dependent variable is the variable that is been determined or measured during the course of an experiment. The dependent variable here is the blood pressure.
An independent variable is the variable that is intentionally or decidedly altered during the course of an experiment. The independent variable here is the age.
what property of an element determines how it reacts with other elements?
Answers
The chemical properties of an element, specifically its electron configuration and valence electrons, determine how it reacts with other elements and forms chemical bonds.
The chemical properties of an element that determine its reactivity and ability to form chemical bonds include:
Electron configuration: The arrangement of electrons in an element's atoms determines its chemical behavior. Elements with similar electron configurations tend to react in similar ways.Valence electrons: The electrons in the outermost energy level of an atom, known as the valence electrons, are involved in chemical reactions and bonding. The number of valence electrons an element has can influence the types of bonds it forms and its reactivity.Ionization energy: The energy required to remove an electron from an atom is called its ionization energy. Elements with low ionization energies are more likely to give up electrons and form positive ions, making them more reactive.Electronegativity: The electronegativity of an element measures its ability to attract electrons. Elements with high electronegativities tend to be more reactive because they can pull electrons away from other atoms and form chemical bonds.Learn more about the chemical properties of an element:
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what volume will 5.25x10^22 molecules of methane occupy at STP? Please show working
Answers
Considering the definition of STP conditions and Avogadro's Number, 1.952496 L of methane will occupy 5.25×10²² molecules at STP.
STP conditionsThe STP conditions refer to the standard temperature and pressure. Pressure values at 1 atmosphere and temperature at 0 ° C are used and are reference values for gases. And in these conditions 1 mole of any gas occupies an approximate volume of 22.4 liters.
Avogadro's NumberAvogadro's Number is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023×10²³ particles per mole. Avogadro's number applies to any substance.
Amount of moles of methaneYou can apply the following rule of three: if 6.023×10²³ molecules are contained in 1 mole of methane, then 5.25×10²² molecules are contained in how many moles of methane?
amount of moles of methane= (5.25×10²² molecules × 1 mole)÷ 6.023×10²³ molecules
amount of moles of methane= 0.087165 moles
There are 0.087165 moles of methane in 5.25×10²² molecules.
Volume of methaneYou can apply the following rule of three: if by definition of STP conditions 1 mole of methane occupies a volume of 22.4 liters, 0.087165 moles occupies how much volume?
volume= (0.087165 moles× 22.4 L)÷1 mole
volume= 1.952496 L
Finally, 1.952496 L of methane will occupy 5.25×10²² molecules at STP.
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A negatively charged ion that is formed by an atom gaining one or more electrons is called a(n):
Anion
Valence Electron
Cation
Onion
Answers
Answer:
"Anion" is correct option
Explanation:
An anion is an ion that has gained one or more electrons, acquiring a negative charge.
I hope this helps
Define the term macromolecule
Answers
Explanation:
a molecule containing a very large number of atoms, such as a protein, nucleic acid, or synthetic polymer.
Answer:
Macromolecules are large molecules containing large numbers of atoms.
Explanation:
Macromolecules contain large amounts of atoms such as protein and nucleic acids.
Please Be Honest
Rate 1-10
Answers
How much heat energy is required to heat a 100 g sample of liquid water from 30 °C to water vapor at 110 °C?The specific heat of liquid water is 4.184 J/(g K) and water vapor is 2.008 J/(g K). The heat of vaporization for water is 2259 J/g and the heat of fusion is 334.72 J/g
Answers
The total heat energy required is expressed according to the formula:
\(\begin{gathered} Q_T=Q_{\text{vap,w}}+Q_w \\ \end{gathered}\)where:
Qvap is the heat energy absorbed by the vapor
Qw is the heat energy absorbed by the water
Get the heat energy absorbed by the vapor at 100 degrees
\(\begin{gathered} Q_{\text{vap,w}}=n_w\times\triangle H_{vap,w} \\ Q_{\text{vap,w}}=\frac{mass}{molar\text{ mass}}\times\triangle H_{vap,w} \\ \end{gathered}\)Given the following parameters;
Mass of water = 100g
Molar mass of water (H2O) = 18.015g/mol
Hvap,w = 2259 J/g = 40.8 kJ/mol
Substitute the given parameters into the formula to have:
\(\begin{gathered} Q_{\text{vap,w}}=\frac{100\cancel{g}}{18.015\cancel{g}\cancel{\text{mol}^{-1}}^{}}\times\frac{40.8kJ}{\cancel{\text{mol}}} \\ Q_{\text{vap,w}}=226.48kJ \end{gathered}\)Get the heat absorbed by the water from 30 to 100 degrees and from 100 to 110 degrees using the formula below. Note that the water vapor is being heated without any phase changes, so we will be utilizing the specific heat capacity of water vapor.
\(\begin{gathered} Q_w=m_wc_w(\triangle\theta)_w+m_wc_w\triangle\theta \\ Q_w=(100\times4.184\times(100-30))+(100g\times2.008\frac{J}{g^oC}\times(110-100)^oC) \\ Q_w=(100\times4.184\times70)+(100\times2.008\times10) \\ Q_w=29,288+2008 \\ Q_w=31296\text{Joules} \\ Q_w=31.296kJ \\ \end{gathered}\)Get the total heat energy required;
\(\begin{gathered} Q_T=226.48kJ+31.296kJ \\ Q_T=257.776kJ \end{gathered}\)the nucleus or center area of the atom contains two kinds of subatomic particles. which two?
Answers
predicting and naming polyatomic ionic compounds worksheet
Answers
Predict and name polyatomic ionic compounds: Match the cation name to the anion name.
How to predict an ionic compound?
To find the formula of an ionic compound, you must first identify the cation and write down its symbol and charge. Then identify the anion and note its symbol and charge. Finally, it joins the two ions into an electrically neutral compound. All elements of the periodic table begin with a capital letter and only a few have a second letter that is lowercase. So when you see two capital letters together in an ion, you know it's a polyatomic ion. Positively charged ions, or cations, and negatively charged ions, or anions, combine to form neutral ionic compounds.
The name of the cation is written first, followed by the name of the anion, for binary ionic compounds (ionic compounds with only two types of components).
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an ionized calcium atom has a charge of 2 elementary charges. if this ion is accelerated through a potential difference of 2.0 x 10^3 volts, the ion's change in kinetic energy will be
Answers
The ion's change in kinetic energy will be \(4.0 \times 10^3\;eV\)
Given the following data:
Charge = 2 Coulombs.
Potential difference = \(2.0 \times 10^3 \;Volts\)
How to calculate the ion's change in kinetic energy.Mathematically, kinetic energy of a charge is given by this formula:
\(K.E = qV\)
Where:
K.E is the kinetic energy.q is the charge.V is the potential difference.Substituting the given parameters into the formula, we have;
\(K.E = 2 \times 2.0 \times 10^3 \\\\K.E = 4.0 \times 10^3\;eV\)
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Matching
Match each definition with the correct term.
Definitions
_____ 1. device for measuring temperature
_____ 2. total kinetic energy of particles of matter
_____ 3. amount of energy needed to raise the temperature of 1 gram of a substance by 1 °C
_____ 4. average kinetic energy of particles of matter
_____ 5. scale for measuring temperature
From the CK-12 Physical Science For Middle School Workbook
_____ 6. transfer of thermal energy between objects with different temperatures
_____ 7. measure that affects the thermal energy of matter but not its temperature
Terms
thermal energy
heat
temperature
thermometer
mass
Celsius
specific heat
Answers
Answer:
1. thermometer
2. thermal energy
3. specific heat
4. temperature
5. Celsius
6. heat
7. mass
here are three isotopes of silicon: si-28, si-29, and si-30, with relative abundances of 92.23%, 4.67%, and 3.1%, respectively. determine the atomic mass of silicon.
Answers
The atomic mass of silicon is calculated to be 28.1087 amu if the three isotopes have relative abundances of 92.23%, 4.67%, and 3.1%, respectively.
The atomic mass of an element can be determined by first changing the percentage abundance of each isotope into decimal form, then multiplying this value by the atomic mass of that isotope. Then the resultant value of each isotope is added together to get the atomic mass of the element.
As the mass of the three isotopes of silicon is 28 amu, 29 amu, and 30 amu with relative abundances of 92.23%, 4.67%, and 3.1%, respectively, we can calculate the atomic mass of silicon as follows;
si-28 = 92.23% = 92.23/100 = 0.9223
si-29 = 4.67% = 4.67/100 = 0.0467
si-30 = 3.1% = 3.1/100 = 0.031
Now multiplying these values by the atomic mass;
si-28 = 0.9223 × 28 = 25.8244
si-29 = 0.0467 × 29 = 1.3543
si-30 = 0.031 × 30 = 0.93
Now adding these values together;
atomic mass of silicon = 25.8244 + 1.3543 + 0.93
atomic mass of silicon = 28.1087 amu
Therefore; the atomic mass of silicon is calculated to be 28.1087 amu.
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Organic compounds form the basis of?
A Carbon
B Life
C Water
Answers
Answer:
A Carbon
Explanation:
Use the information in the tables to determine whether the solution of the salt formed from the given acid base combinations will be acidic, basic, or neutral. hcl naoh: hcl nh4oh: ch3cooh koh:
Answers
The table should be included, but that's okay
hcl naoh: salt neutral (both strong)
hcl nh4oh: salt acidic(strong acid+weak base)
ch3cooh koh: salt basic(weak acid+strong base)
Alkali metals are highly since they easily to form ions.
Answers
Explanation:
Alkali metals are highly electropositive lements. They readily donate their valence electrons to form ionic compounds
According to the electronic configuration, alkali metals are highly reactive as they have 1 valence electrons and can easily form ions.
What is electronic configuration?
Electronic configuration is defined as the distribution of electrons which are present in an atom or molecule in atomic or molecular orbitals.It describes how each electron moves independently in an orbital.
Knowledge of electronic configuration is necessary for understanding the structure of periodic table.It helps in understanding the chemical properties of elements.
Elements undergo chemical reactions in order to achieve stability. Main group elements obey the octet rule in their electronic configuration while the transition elements follow the 18 electron rule. Noble elements have valence shell complete in ground state and hence are said to be stable.
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In the reaction 2 FeBr3 + 3 Cl2 → 2 FeCl3 + 3 Br2, how many grams of bromine gas are produced from 2.50 moles of FeBr3?
Answers
Answer:
but iron is 2 and 3 by its valance how could it be possible
In one to two sentences, describe an experiment that would show that intramolecular forces (attractions between atoms within molecules) are stronger than intermolecular forces (attractions between molecules)
Answers
In order to demonstrate that intramolecular forces are stronger than intermolecular forces, a block of ice will be heated in a sealed container until it turns into steam.
Why do intramolecular forces outweigh intermolecular forces?
Because the forces holding together compounds are stronger than the forces holding together molecules, intramolecular forces are stronger than intermolecular forces.
Intermolecular forces exist between molecules, but intramolecular forces exist between atoms within a molecule. This is the primary distinction between intermolecular and intramolecular forces.
Look for the molecule with the most polarity, the most electronegative atoms, or the most hydrogen bonding groups if the molecules have identical molar weights and similar intermolecular forces. That one will have the overall stronger IMFs.
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HELP PLEASE 15 POINTS
The rate law for a reaction is found to be rate = k[X]4. By what factor does the rate increase if [X] is doubled?
Answers
What can you infer about the results of numerical models in 1966 for polar caps
made of water ice?
Answers
Answer:
Those people could sustain on Mars, by living closer to the poles
Explanation:
As it is given that caps involve the water ice instead of the carbon dioxide
And, current observations of spectrum analyzed that the polar caps are totally different from one other i.e northern one involves more water ice while on the other hand, the southern one involves most of the carbon dioxide
Moreover, the astronomers unable to see to spectrum portions as the atmosphere absorbs the wavelength
So we conclude that the people could survive on mars if they live near to poles
what is the mass of 8.12×10 to the 23rd power molecules of CO2 gas
Answers
Answer:
38.7 g is the answer to your question. Your welcome:)
Please answer grade 6th
Answers
Answer:
The last one
Explanation:
I have done this before
Answer:
Earth's plates moving & colliding against one another.
Which statement about exothermic reactions is true?
The reaction container always feels cold.
The reactants have more heat energy than the products.
O Energy from an outside source is continuously being added.
More heat is given off than is put into the reaction.
Answers
Answer:
The reactants have more heat energy than the products.
Explanation:
The reactants in an exothermic reaction have higher potential heat energy than the products, this is because they release the energy as heat.
Answer:
just took test is the reactants have more heat
Explanation:
what volume (in liters) would the gas occupy at a pressure of 1.11 atm if its temperature remained unchanged?
Answers
The volume occupied by the gas if the pressure changes to 0.980 atm is 2.77 L.
given that :
pressure P1 = 1.11 atm
volume V1 = 2.45 L
pressure P2 = 0.98 atm
volume V2 = ?
according to the ga law :
P1 V1 = P2 V2
solving all the value in the formula , we get
1.11 × 2.45 = 0.98 × V2
V2 = 2.77 L
Thus, A gas occupies a volume of 2.45 L at a pressure of 1.11 atm. the volume will the gas occupy if the pressure changes to 0.98atm and the temperature remains unchanged. is 2.77 L.
The question is incomplete the complete question is :
A gas occupies a volume of 2.45 L at a pressure of 1.11 atm. What volume will the gas occupy if the pressure changes to 0.98 atm and the temperature remains unchanged.
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Section 1: Parts of Chemical Reaction and Conservation of mass
1) Identify the reactants cand products of the following
Chemical equation:
(The equation in image)
Answers
Answer:
The reactants are on the left of the arrow, the products are on the right.
Explanation:
Reactants are the substances that exist before the chemical reaction takes place. When writing a chemical reaction or equation, they are found on the left of the arrow. They react to form new substances, which are known as the products. The products are found to the right of the arrow in the reaction.