Predict the shape, state the hybridization of the central atom, and give the ideal bond angle(s) and any expected deviations for:
(e) SbF₄₊

Answers

Answer 1

SbF₄₊ is state the hybridization of the central atom, and give the ideal bond angle(s).

What is potassium hydroxide?

Potassium hydroxide, also known as lye, is a chemical substance with the formula KOH. It is also known as caustic potash and is available in a variety of forms such as pellets, flakes, and powders. It has a variety of chemical, industrial, and manufacturing applications.

Potassium hydroxide, sometimes known as caustic potash, is an inorganic chemical with the formula KOH. KOH is a classic strong base, along with sodium hydroxide. It has numerous industrial and specialty applications, the majority of which take advantage of its caustic nature and acid reactivity.

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Related Questions

Molar Mass related question (22b)
how do I solve?

Molar Mass related question (22b)how do I solve?

Answers

The molar mass of potassium nitrate is 101.102 g/mol while that of potassium nitrite is 85.103 g/mol.

Molar mass calculation

Potassium nitrate goes by the chemical formula \(KNO_3\).

K = 39.098

N = 14.007

O = 15.999

Molar mass of  \(KNO_3\) = 39.098 + 14.007 + (3x15.999)

                                    = 101.102 g/mol

Potassium nitrite goes by the chemical formula, \(KNO_2\).

Molar mass of \(KNO_2\) = 39.098 + 14.007 + (2x15.999)

                                   = 85.103 g/mol

In other words, the molar masses of KNO3 and KNO2 are 101.102 g/mol and 85.103 g/mol respectively.

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How does static electricity impact the world we live in

Answers

Answer:

According to the current knowledge, static EF can cause effects on the body via changes in the distribution of electric charges on the surface of the body. A sufficiently large surface charge density may be perceived through its interaction with body hair and by other effects such as spark discharges (micro-shocks).

Explanation:

Provide the major organic product which results when PhCHO is treated with the following 1. CH3CH2MgBr; 2. H3O^+; 3. Na2Cr2O7 H2SO4 Give the reaction for in the sequence

Answers

The reaction sequence involves a Grignard reaction, followed by an acid-catalyzed dehydration, and an oxidation reaction, resulting in the formation of 1,2-diphenyl-1,2-ethanediol as the major organic product.

When PhCHO (benzaldehyde) is treated with CH3CH2MgBr (ethylmagnesium bromide), the Grignard reagent will add to the carbonyl carbon of the aldehyde, resulting in the formation of the corresponding alcohol, which in this case is 1-phenyl-1-propanol.

Next, when the alcohol is treated with H3O^+, it will undergo an acid-catalyzed dehydration reaction, leading to the formation of an alkene. In this case, the major product formed will be 1-phenylpropene (also known as styrene).

Finally, when 1-phenylpropene is treated with Na2Cr2O7/H2SO4, it will undergo oxidation at the double bond, resulting in the formation of a diol. Specifically, the reaction will lead to the formation of 1,2-diphenyl-1,2-ethanediol.

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how many elements have been discovered so far by scientists ​

Answers

Answer:

118 elements have been discovered so far

Explanation:

Which shows the correct order of stages of technological design?

Answers

Answer:

The four stages of technological design include identifying a need, designing and implementing a solution, and evaluating the solution.

I don't know what the options are, cause you didn't show them but, hope this helped.

Answer:

The correct answer is:C. Identify a problem, design a solution, implement the solution, evaluate the solution

Explanation:

If 25.00 mL of 0.30 M NaOH is titrated with 0.30 M HCl, what is the pH of the solution after the addition of 25.00 mL of HCl?

a. 13.00

b. 9.00

c. 7.00

d. 5.00

e. 1.00

(Need Work and Explanation)

Answers

Answer:

c. 7.00

Explanation:

The neutralization reaction between NaOH and HCl is the following:

NaOH + HCl → NaCl + H₂O

NaOH dissociates into OH⁻ ions and HCl dissociates into H⁺ ions. At the equivalence point, the total number of moles of OH⁻ is neutralized with the moles of H⁺ added:

OH ⁻ + H⁺ ⇄ H₂O

Moles of NaOH = M x V = 0.025 L x 0.30 mol/L = 7.5 x 10⁻³ mol OH⁻

Since NaOH is a strong base, the moles of NaOH is equal to the moles of OH⁻.

Moles of HCl = M x V = 0.025 L x 0.30 mol/L = 7.5 x 10⁻³ mol H⁺

As we can see, the moles of HCl added are equal to the moles of H⁺ because HCl is a strong acid.

At the equivalence point: 7.5 x 10⁻³ mol OH⁻ =  7.5 x 10⁻³ mol H⁺ (the total amount of OH⁻ reacted with H⁺)

Thus, in the medium we have only the H⁺ from the water equilibrium:

Kw = [H⁺] [OH⁻] = 1 x 10⁻¹⁴

[H⁺] = 1 x 10⁻⁷

⇒ pH = -log [H⁺] = -log (1 x 10⁻⁷) = 7

Therefore, the correct answer is c. 7.00

Balance the following equations
14)__C₂H4 +___O₂ ->_CO₂ +
15)___NaHCO3 -> Na₂CO3 +
16)__ _Cl₂ +
_Cl₂ +_NaBr ->
17)____Na₂S +
NaCl +
H₂O
H₂O + CO₂
Br2
HCI->_NaCl + H₂S

Balance the following equations14)__CH4 +___O ->_CO +15)___NaHCO3 -> NaCO3 +16)__ _Cl +_Cl +_NaBr

Answers

The balanced chemical equations are as  follows:

14. C₂H₄ + 3 O₂ -> 2CO₂ + 2H₂O

15. 2NaHCO₃ -> Na₂CO₃ + H₂O + CO₂

16. 3Cl₂ + 2NaBr -> 2NaCl + Br₂

17. 3Na₂S + 2NaCl + 3H₂O -> 5NaCl + H₂S + 3O₂

What are balanced equations?

Balanced equations are equations of chemical reactions that ensure that the law of conservation of mass is true.

In a balanced equation, the number of atoms of each element on both sides of the equation is equal.

The given chemical equations are balanced as follows;

14.  Place 3, 2, and 2 before O₂, CO₂, and H₂O respectively.

C₂H₄ + 3 O₂ -> 2 CO₂ + 2 H₂O

15. Place 2 in front of NaHCO₃.

2 NaHCO₃ -> Na₂CO₃ + H₂O + CO₂

16. Place 3, 2, and 2 in front of Cl₂, NaBr, and NaCl respectively.

3Cl₂ + 2NaBr -> 2NaCl + Br₂

17. Place 3, 2, 3, 5, and 3 in front of Na₂S, NaCl, H₂O, NaCl, and O₂ respectively.

3Na₂S + 2NaCl + 3H₂O -> 5NaCl + H₂S + 3O₂

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Suppose that you have 0.5 liters of tomato soup and 0.5 liters of split pea soup in your kitchen. Can you tell for certain which one will require more thermal energy to heat up to 60°C? Why or why not?

Answers

We can not determine which of the soups will require more thermal energy to heat up to 60°C because we do not know the heat capacity of each substance.

What is heat capacity?

The term heat capacity refers to the quantity of heat that is required to raise the temperature of a substance by 1 K. In order to determine which of the soups will require more thermal energy to heat up to 60°C, we must know the heat capacity of each substance.

Hence, we can not determine which of the soups will require more thermal energy to heat up to 60°C because we do not know the heat capacity of each substance.

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how do gas particles exert pressure on their container?

Answers

Gas particles exert pressure on their container through their random and constant motion, colliding with the walls of the container.

Gas particles are in constant motion, moving in all directions with varying speeds. When these particles collide with the walls of their container, they exert a force on the walls. The cumulative effect of these collisions leads to the creation of pressure within the container. The more frequent and energetic the collisions, the higher the pressure exerted by the gas.

The pressure exerted by gas particles is a result of the collective impact of their collisions with the container walls. This pressure is directly related to the temperature, volume, and number of gas particles present. Understanding the behavior of gas particles and their interactions with the container is crucial in various scientific and practical applications, such as in the study of thermodynamics, gas laws, and the design and operation of systems involving gases, such as engines and gas cylinders.

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Questions 7-10 refer to the following types of energy. (A) Activation energy (B) Free energy (C) Ionization energy (D) Kinetic energy (E) Lattice energy 7. The energy required to convert a ground-state atom in the gas phase to a gaseous positive ion __________ 8. The energy change that occurs in the conversion of an ionic solid to widely separated gaseous ions ___________ 9. The energy in a chemical or physical change that is available to do useful work ___________ 10. The energy required to form the transition state in a chemical reaction ___________

Answers

Answer:

7. Ionization energy

8. Lattice energy

9. Free energy

10. Activation energy

Explanation:

I. Ionization energy: The energy required to convert a ground-state atom in the gas phase to a gaseous positive ion. Thus, it is the minimum energy required to remove or detach an electron from a neutral atom in a gaseous state. Generally, atoms with relatively large atomic radii tend to have a low ionization energy.

II. Lattice energy: The energy change that occurs in the conversion of an ionic solid to widely separated gaseous ions. This ultimately implies that, it is the energy generated during the conversion of an ionic solid into gaseous ions and as such is a measure of the cohesive force binding the ions of an ionic compound using the Born-Haber cycle.

III. Free energy: the energy in a chemical or physical change that is available to do useful work. Thus, it is a thermodynamic quantity that measures the maximum capacity of a system to do work at constant temperature and pressure.

IV. Activation energy: The energy required to form the transition state in a chemical reaction. When the activation energy of a reaction is low, the rate of the reaction would be faster. Therefore, an enzyme speeds or catalyzes the rate of a reaction by lowering its activation energy.

Any three base sequence found on the mRNA that codes for a specific amino acid is called a _____.

Answers

Any three base sequence found on the mRNA that codes for a specific amino acid is called a codon.

The three base of the sequences that are found in the mRNA , the one after another code for the specific amino acid. So, the three bases are together is known as the codons and it based on the codon sequence of the mRNA polypeptides will be produced.

The polypeptides will be formed after the translation and it based on the codons in the mRNA the peptide will be produced.  The coons are the specific for the single amino acid that will makes the codons universal.

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When water evaporates (which involves breaking of hydrogen bonds), it removes energy from its surroundings in a fashion that renders water an:_____.

Answers

When water evaporates (which involves breaking of hydrogen bonds), it removes energy from its surroundings in a fashion that renders water an Excellent coolant.

Within water molecules, polar covalent connections are created between the hydrogen and oxygen atoms. The shared electrons are attached to the oxygen atom for a longer period of time than they are to the hydrogen atoms. A water molecule has no overall charge, but each hydrogen atom has a little positive charge, and each oxygen atom has a slight negative charge. The slightly positive hydrogen atoms repel one another and form the distinctive shape as a result of these charges. The positive and negative charges in the various regions of each water molecule cause them to attract other water molecules. Additionally, water forms hydrogen bonds with other polar molecules (like sugars) by attraction.

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quick answer plz............An oxide was prepared by combining 15.3g of an element “X” with 13.6g of oxygen. What is the simplest formula for the oxide? (At. Mass X = 27, O = 16)

A. XO3

B. X2O3

C. X2O5

D. XO

Answers

Answered it coz of you

Any doubts just ping me

follow meh

quick answer plz............An oxide was prepared by combining 15.3g of an element X with 13.6g of oxygen.

Answer:

the answer is B

quick answer plz............An oxide was prepared by combining 15.3g of an element X with 13.6g of oxygen.

2. Nitrogen has two naturally occurring
isotopes N - 14 and N-15. The average atomic mass of nitrogen is 14.007 Which isotope is more abundant in nature Explain​

Answers

Answer:

Suppose that:

Mass of N-14= 14

and Mass of N-15= 15

fraction N-14 x 14 + fraction N-15 x 15 = 14.007

now.. if the fractions were =, that is if fraction N-14 = fraction N-15 = 0.5, then...

0.5 x 14 + 0.5 x 15 = 14.5

more N-15 would make that number larger...

0.3 x 14 + 0.7 x 15 = 14.7

let x = abundance of N-14, then (1-x) = abundance of N-15, and we could solve for x.

(X)x14 + (1-X)x 15 = 14.007

14X + 15 - 15X = 14.007

X = 0.993

the relative abundance of N-14 = 99.3%

the relative abundance of N-15 = 0.7%

So, according to the above explanation N-14 is abundant

Explanation:

Suppose that:

Mass of N-14= 14

and Mass of N-15= 15

fraction N-14 x 14 + fraction N-15 x 15 = 14.007

now.. if the fractions were =, that is if fraction N-14 = fraction N-15 = 0.5, then...

0.5 x 14 + 0.5 x 15 = 14.5

more N-15 would make that number larger...

0.3 x 14 + 0.7 x 15 = 14.7

let x = abundance of N-14, then (1-x) = abundance of N-15, and we could solve for x.

(X)x14 + (1-X)x 15 = 14.007

14X + 15 - 15X = 14.007

X = 0.993

the relative abundance of N-14 = 99.3%

the relative abundance of N-15 = 0.7%

So, according to the above explanation N-14 is abundant

100 milligrams of Uranium-238 are stored in a container. If Uranium-238 has a half-life of about 4.47 billion years, after how many years will only 10 milligrams be present

Answers

The time (in years) taken for only 10 mg to remain is 14.84 billion years

Data obtained from the questionOriginal amount (N₀) = 100 mgHalf-life (t½) = 4.47 billion yearsAmount remaining (N) = 10 mgTime (t) =?

Determination of the number of half-lives that has elapsed Original amount (N₀) = 100 mgAmount remaining (N) = 10 mgNumber of half-lives (n) =?

N × 2ⁿ = N₀

10 × 2ⁿ = 100

Divide both side by 10

2ⁿ = 100 / 10

2ⁿ = 10

Take the log of both side

Log 2ⁿ = Log 10

nLog 2 = Log 10

Divide both side by Log 2

n = Log 10 / Log 2

n = 3.32

How to determine the time (in years)

Half-life (t½) = 4.47 billion yearsNumber of half-lives (n) = 3.32Time (t) =?

t = n × t½

t = 3.32 × 4.47

t = 14.84 billion years

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One method of generating electricity is by burning coal to heat water, which produces steam that 1.48 °C. If the heat capacity of the calorimeter is 21.6 kJ/°C, determine the heat produced by drives an electric generator. To determine the rate at which coal is to be fed into the burner in calorimeter. When 1.00 g of coal is burned in a bomb calorimeter, the temperature increases by this typeof plant, the heat of combustion per ton of coal must be determined using a bomb combustion of a ton of coal (2000 pounds). Remember 1 kg= 2.2 pounds

Answers

On method of generating electricity is burning coal to heat water, which produces steam that drives an electric generator. The heat produces by a combustion of a ton coal is 2.90 × ⁷ KJ.

change in temperature = 1.48 °C

heat capacity of the calorimeter = 21.6 KJ

using bomb calorimeter :

q = C×ΔT

   = 21.6 × 1.48

   =  31.968 KJ

now, 1 g of coal is burned in a bomb calorimeter = 31.968 KJ / 1 g coal

for  1 ton of coal :

1 pound (lbs) = 453.592 g

2000 pounds = 2000 × 453.592 g

                        = 907184 g

therefore ,

q = ( 31.968 KJ/ 1g) × 907184 g

   = 2.90 × 10⁷ KJ.

Thus, On method of generating electricity is burning coal to heat water, which produces steam that drives an electric generator. if the heat capacity of the calorimeter is 21.6 KJ/°C, determine the heat produce by drives an electric generator.to determine the rate at which coal is to be fed into bomb calorimeter. when 1 g of coal is burned in bomb calorimeter temper increases by 1.48 °C. The heat produces by a combustion of a ton coal is 2.90 × ⁷ KJ.

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3. Converting from the English system to the metric system can be accomplished using _______

Answers

Answer:

You can convert between the various different sizes by merely moving the decimal point the correct number of places. The basic metric units are meters (for length), grams (for mass or weight), and liters (for volume).

Explanation:

Your simulation involved 100 atoms and eight half-life cycles. For half-life cycles 9 and later, how many radioactive nuclei would you expect to be present?

Answers

Answer:

you would expect 0 radioactive nuclei to be present

Explanation:

got it right on the assignment

how many d-electrons are associated with the central metal ion in the complex: na2[cdcl4]? group of answer choices

Answers

The number of d-electrons associated with the central metal ion in the complex is 10.

In the complex Na2[CdCl4], the central metal ion is Cd (Cadmium).

Cadmium is in group 12 of the periodic table and has the electron configuration [Kr] 4d10 5s2.

The oxidation state of cadmium in the complex Na2[CdCl4] is;

Na2[CdCl4]

+2 + x + 4(-1) = 0

x =  +2

Therefore, the central metal ion in the complex Na2[CdCl4] is Cd2+.

Since it forms a complex with a -2 charge, it loses 2 electrons from the 5s orbital.

Therefore, Cd2+ has a d10 electron configuration, meaning that all of its d orbitals are completely filled with electrons.

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what is the concentration of barium ions in a 0.750 mbacl2 solution?

Answers

The total moles of Ba2+ ions in 0.750 M BaCl2 solution = 0.750 mol/L × 2 mol Ba2+ / 1 mol BaCl2 = 1.50 mol/L The concentration of barium ions (Ba2+) in the given solution is 1.50 M.

The given terms are "150", "concentration", and "barium" and the question is "what is the concentration of barium ions in a 0.750 mbacl2

Let's solve the question by using the formula of molarity.

Molarity (M) = moles of solute/ liters of solution

Now, the molarity of the given solution, mbacl2 = 0.750 mMolar mass of BaCl2 = 208.23 g/molMolar mass of Ba ions = 137.33 g/molThe Ba2+ and Cl- ions dissociate when the BaCl2 compound dissolves in water. That is, each BaCl2 molecule splits into one Ba2+ ion and two Cl- ions.

Hence, the total moles of Ba2+ ions in 0.750 M BaCl2 solution = 0.750 mol/L × 2 mol Ba2+ / 1 mol BaCl2 = 1.50 mol/L The concentration of barium ions (Ba2+) in the given solution is 1.50 M.

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9. What is the total number of grams of NaOH (formula mass = 40.) needed to make 1.0 liter of a 0.20 M solution?

(1) 20. g (2) 2.0 g (3) 80. g (4) 8.0 g​

Answers

Answer:

8 gram

Explanation:

in case of NaOH, normality=molarity

so normality=molarity×acidity or basicity(in case of NaOH it's 1)

then

weight of NaOH required = volume in ml × equivalent weight × normality / 1000

so

1000× 40× 0.2/1000

=8 gram

The total mass of sodium hydroxide (NaOH) needed to make the solution is 8 g (Option 4)

How to determine the mole of NaOH Volume = 1 L Molarity = 0.2 MMole of NaOH =?

Molarity = mole / Volume

0.2 = mole of NaOH / 1

Mole of NaOH = 0.2 mole

How to determine the mass of NaOH Mole of NaOH = 0.2 mole Molar mass of NaOH = 40 g/mol Mass of NaOH =?

Mass = mole × molar mass

Mass of NaOH = 0.2 × 40

Mass of NaOH = 8 g

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1. (10 Points) When you boil water in a pan on the stove which heats faster the
pan or the water? Defend your answer.

Answers

The pan would heat faster because in order for the water to get hot the pan needs to be hot as well.

what happens during a first-quarter moon

Answers

Answer:

the moon shows up as 1 quarter

Explanation:

thats what happens!!!!! ewkrjeg refjerjgn

Answer: A week after New Moon, the Moon reaches its First Quarter. In this phase, the Moon is in quadrature (elongation = 90o, position C in the diagram below), and one half of the Moon's disk is illuminated as seen from Earth. The First Quarter Moon rises at noon, transits the meridian at sunset and sets at midnight.

Explanation:

A skateboarder coasts a distance of 20 meters in 4 seconds. What is the person's speed?

Answers

Answer:

5

Explanation:

20/4

Predict the polarity of 6 real molecules (O2, HF, H2O, NH3, CF4, CH3F). First, draw the
molecules and any bond dipoles. Then draw any molecular dipoles. Explain your
reasoning before you check your predictions with the simulation.

Answers

The polarity of 6 real molecules are given below,

O2- Neutral

HF- Acidic

H2O- Neutral

NH3- Basic

CF4-Nonpolar

CH3F-  Polar

How to determine polarity of molecules?Predicting the polarity of molecules can be done using a variety of methods. One method is to use the molecular dipole moment, which is a measure of the separation of positive and negative charge in a molecule. Molecular dipole moments can be calculated using quantum chemistry methods such as Density Functional Theory, or other methods. Another method is to consider the electronegativity of the atoms in the molecule and the type of bond between them. Non-polar molecules have atoms with similar electronegativities and strong covalent bonds, while polar molecules have atoms with different electronegativities and polar covalent or ionic bonds. Finally, the polarity of a molecule can also be predicted by looking at its shape and symmetry. Non-polar molecules often have symmetrical shapes, while polar molecules tend to be asymmetrical.

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The Cyclohexane Ring Is Essentially Free Of Ring Strain Because Check All That Apply. There Are Neither Eclipsed Nor Gauche Interactions In ____

Answers

The cyclohexane ring is essentially free of ring strain because:

What is cyclohexane?

Cyclohexane is a cyclic hydrocarbon with the molecular formula C6H12. It is a colorless, flammable liquid that is commonly used as a nonpolar solvent in chemical reactions and as a starting material for the synthesis of other compounds. Cyclohexane is a cycloalkane, which means it contains a closed ring of carbon atoms.

There are no eclipsed interactions in the chair conformation of cyclohexane.There are no gauche interactions in the chair conformation of cyclohexane.The bond angles in the chair conformation of cyclohexane are close to the ideal tetrahedral angle of 109.5 degrees, which minimizes the angle strain in the molecule.The chair conformation of cyclohexane allows for maximum separation of the substituents on the ring, which minimizes the torsional strain in the molecule.

All of these factors contribute to the stability of the chair conformation of cyclohexane and the absence of ring strain in the molecule.

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A list of changes is shown. Temperature decreases Intermolecular bonds become weaker Melting Intermolecular bonds become stronger Temperature remains constant Temperature increases Vibration of molecules slows down Molecules vibrate faster Which of the above changes would be accompanied by an increase of the kinetic energy of particles in a solid? (4 points)

Answers

Answer:

Intermolecular bonds become weaker

Melting

Temperature increases

Molecules vibrate faster

Explanation:

In the solid phase, intermolecular forces are found to be strongest. However, as the temperature is increased, the molecules of the solid begin to vibrate faster and intermolecular forces between them begin to weaken.

As intermolecular forces of a substance become weaker, the substance melts. The molecules in the liquid state possesses greater kinetic energy than the molecules in the solid state.

Hence the the answer above.

Answer:

B, C, F, and H

Explanation:

These are all things that happen in the increase of the kinetic energy of particles in a solid.

B. Intermolecular bonds become weaker

C. Melting

F. Temperature increases

H. Molecules vibrate faster

Also, just took the test and got it right.

PLZ HELP WILL BRAINLIEST
Balance the following equation: Fe2(SO4)3 + KOH --> K2SO4 + Fe(OH)3

Write the coefficients that you decide to balance the equation like this 3, 4, 3. If you do not add a coefficient in front of an element or compound, use a 1 in your answer. For instance the for this balanced equation: 2H2 + O2 --> 2H2O you would write your answer: 2, 1, 2

Answers

Answer:

6,3,2

Explanation:

Fe2(SO4)3 + 6 KOH = 3 K2SO4 + 2 Fe(OH)3

Question 6 (1 point)
Sound, earthquakes, and waves in water are rechanical waves because they require
a physical to transport energy. (Lesson 4.02)
O electromagnetic field
O disturbance
O medium
location

Answers

Answer: The answer is MEDUIM

Explanation:

proteins consist of a chain of some combination of ____ unique amino acids.

Answers

Answer:

Proteins consist of a chain of some combination of 20 unique amino acids.

Explanation:

Proteins consist of a chain of some combination of 20 unique amino acids. These amino acids are the building blocks of proteins and are connected together through peptide bonds. The specific sequence and arrangement of amino acids in a protein chain determine its structure and function. Each amino acid has a unique side chain, which gives it distinct chemical properties. The variety of amino acids and their different properties allow for the immense diversity and complexity of proteins, enabling them to carry out a wide range of biological functions in living organisms.

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Other Questions
Suppose that the supply of aged cheddar cheese is inelastic, and the supply of bread is elastic. Both goods are considered to be normal goods by a majority of consumers. Suppose that a large income tax increase decreases the demand for both goods by 10%.1. The price elasticity of supply for aged cheddar cheese could beA. 0.5.B. 0.C. -1.D. 1.5.2. The price elasticity of bread could beA. 0.B. 0.5.C. -1.D. 1.5 What information is displayed in clear text from the ftp header. Redundancy is unnecessary as you develop the language for your speech because using repetitive words will confuse your audience. a. true b. false Can some one help why are hfo refrigerants less flammable than hydrocarbon refrigerants Antonne can build 4 towers using 68 blocks. What equation can be used to model the total number of blocks y needed for the number of towers x? Write the equation in the form y=kx . Please Heeelp The dwarf planet Pluto has an elliptical orbit with a semi-major axis of 5.911012 m and eccentricity 0.249. Calculate Pluto's orbital period. Express your answer in seconds. Calculate Pluto's orbital period. Express your answer in earth years. During Pluto's orbit around the sun, what are its closest distance from the sun? During Pluto's orbit around the sun, what are its farest distance from the sun? I'm pretty sure they meant "farthest" What is the function of the mucociliary blanket that lines the conducting airways?To dehumidify inhaled airTo spread antibacterial enzymesTo remove foreign materialsTo warm the moving gases Kreia is a professor at a local college. She is interested in developing a new psychometric measure of personality. To test her measure, she administers it to her class during the first week of the quarter. She administers the measure again to the same group of students three weeks later. She finds that the students scores differed significantly between the two time points.What type of experimental design should Kreia use?a. within-subjects designb. between-subjects designc. matched-subject designd. mixed subjects design Which one of the following statements about the Bohr model is incorrect?Orbits may have only specific energy values in an atom.The number of electrons in the innermost orbit of an atom in the ground state is always the same as the the period number for that atom.The third orbit from the nucleus can hold a maximum of eighteen electrons.Electrons can move between orbits by absorbing or emitting electromagnetic radiation.Electrons may orbit the nucleus only a specific distances. Find the measure of 63 How to find the value of :-[tex] \sqrt{35} [/tex][tex] \sqrt{2} [/tex] Answer the following mathematical equations.7 x 5 =3 x 3 =7 x 100 =6 x 6 = dentify the critical z-value(s) and the Rejection/Non-rejection intervals that correspond to the following three z-tests for proportion value. Describe the intervals using interval notation. a) One-tailed Left test; 2% level of significance One-tailed Right test, 5% level of significance Two-tailed test, 1% level of significance d) Now, suppose that the Test Statistic value was z = -2.25 for all three of the tests mentioned above. For which of these tests (if any) would you be able to Reject the null hypothesis? ms. avila got blue ribbons to give to participants at the school science fair. she ordered 120 blue ribbons from the smart start school supplier. since this was a bulk order, smart start reduced the price of each blue ribbon by $0.75. the total came to $60. which equation can you use to find the amount of money, b, smart start normally charges for a blue ribbon? 15 points! Read the excerpt from A Girl from Yamhill. He does not faint. Somehow Mother boosts him along to the parlor couch. Later, after the doctor has gone, I learn that a sudden j/er/k on the reins by a team of horses has dislocated the arm, an accident that has happened before in his heavy farm work, for his shoulder sockets are too shallow for the weight of his muscles. Mothers determination always supports him to the couch. Which universal theme is present in this excerpt? Which best describes the climate on and around Mount Kilimanjaro? A. Desert B. Rain forest C. Fertile D. Frozen an electron and a positron meet and completely annihilate, creating two photons, each with the same energy. Interview a business owner on the crisis experienced in the worplace Does universal declaration of human rights provide a sufficient purpose of protecting all individuals rights ?