name the two main proteins involved in endocytosis and describe their roles in the process.

Answer:

1.44 L

Explanation:

If the temp does not change

P1V1 = P2V2

1 * 3.6   = 2.5 * V2

V2 = 1.44 L

Answer: Yes, sulfuric acid is highly soluble in water.

Explanation:

Answer:

i think its solar radiation

When the acetylcholine receptor sites are not occupied, a ligand is formed. Thus, sodium channels remain closed, so sodium ions do not diffuse through or enter or leave the cell. Thus, option c is correct.

Acetylcholine receptors are a kind of transmembrane protein that is embedded in the cell membrane. Acetylcholine is a neurotransmitter that binds to this receptor.

When acetylcholine is released into the synaptic cleft, it binds to the acetylcholine receptor. The channel that allows positively charged ions to flow into the cell opens as a result of this.

This causes the interior of the cell to become more positive, resulting in the generation of an action potential that can be propagated down the axon.

The sodium channels remain closed when the acetylcholine receptor sites are not occupied. The acetylcholine receptors are critical for neuron action potential generation.

If acetylcholine cannot bind to these receptors, no electrical impulse can be transmitted. Thus option c is correct.

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Kb1 = 1.61 × 10^-10 and Kb2 = 4.35 × 10^-9. The basicity constant, or Kb, is a measure of the strength of a base in a particular chemical reaction. The products of a reaction of a weak base and water with the corresponding acid determine the base constant.

For example, for a given acid and base, Kb1 and Kb2 are the basicity constants for the first and second base dissociations, respectively, of the base. The formulas and charges of the conjugate acid and base, as well as the acid dissociation constants, Ka1 and Ka2, are needed to calculate Kb1 and Kb2.

The following reactions are balanced chemical reactions that represent the dissociation of succinic acid:

Reaction 1: H2C4H4O4(aq) + H2O(l) ⇌ HC4H4O4(aq) + H3O+(aq) Ka1 = 6.2 × 10−5
Reaction 2: HC4H4O4(aq) + H2O(l) ⇌ C4H4O42-(aq) + H3O+(aq) Ka2 = 2.3 × 10−6

The values of Ka1 and Ka2 can be used to calculate Kb1 and Kb2, respectively, using the following equation:

Ka1 × Kb1 = Kw

where Kw is the ion-product constant for water, which is 1.0 × 10−14 at 25°C.

Kb1 can be calculated as follows:

Kw = Ka1 × Kb1

Kb1 = Kw / Ka1

Kw = 1.0 × 10^-14

Ka1 = 6.2 × 10^-5

Kb1 = Kw / Ka1

Kb1 = 1.0 × 10^-14 / 6.2 × 10^-5

Kb1 = 1.61 × 10^-10

Kb2 can be calculated using the same method:

Kw = Ka2 × Kb2

Kb2 = Kw / Ka2

Kw = 1.0 × 10^-14

Ka2 = 2.3 × 10^-6

Kb2 = Kw / Ka2

Kb2 = 1.0 × 10^-14 / 2.3 × 10^-6

Kb2 = 4.35 × 10^-9

Therefore, Kb1 = 1.61 × 10^-10 and Kb2 = 4.35 × 10^-9.

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The wavelengths of light that cause the electrons in the atom to move to higher energy levels. Option D

The wavelengths of light that are absorbed by an atom as its electrons move from lower to higher energy levels are shown by the atom's absorption spectrum. When exposed to light, atoms are able to absorb a range of wavelengths depending on the energy differences between the levels of their electrons.

The encouragement of electrons to higher energy levels within the atom results from this absorption. The absorption spectrum, which is often represented graphically as dark lines or bands on a continuous spectrum, is a representation of the wavelengths of light that are absorbed by the atom.

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Answer:

The velocity of the bb when it reaches a height of 203 m can be determined using the laws of projectile motion. Since the bb is moving vertically upwards, its velocity at that height will be zero.

brainlest?

Answer: v = 83.96 m/s

Assuming the acceleration due to gravity is approximately 9.8 m/s^2, we can use the principles of projectile motion and energy conservation.

Using the equation for the vertical displacement of an object in free fall:

Δy = (v₀² - v²) / (2g)

Δy = vertical displacement (203m)

v₀ = initial velocity (105 m/s)

v = final velocity (not known yet)

g = accerlation due to gravity (9.8 m/s^2)

Lets rearrange the equation to solve for the final velocity:

v = v = √(v₀² - 2gΔy)

Substituting the given values:

v = √(105² - 2 * 9.8 * 203)

v ≈ √(11025 - 3979.6)

v ≈ √(7054.4)

v ≈ 83.96 m/s

Therefore, when the BB pellet is at the height of 203m, its velocity will be approximately 83.96 m/s.

Answer:

Point out to students that molecules of hot water are moving faster and are slightly further apart. The molecules of cold water are moving slower and are a little closer together. If students do not notice a difference, move the slider all the way to the left again and then quickly to the right.

2. How do molecules move in cold water?

Compare the speed of molecules in hot water compared to molecules in cold water? Water molecules move faster in hot water and slower in cold water. water molecules in cold, room temperature, and hot water. most of the liquid.

When molybdenum (II) bromide is dissolved in water and lead nitrate is added, only one-third of the halogens are precipitated. This observation can be explained by the following equation: MoBr₂ + Pb(NO₃)₂ -> Mo(NO₃)₂ + PbBr₂

In this reaction, molybdenum (II) bromide reacts with lead nitrate to form molybdenum (II) nitrate and lead bromide. Lead bromide is the precipitate that forms in the solution.

Since only one-third of the halogens are precipitated, it suggests that only one-third of the bromide ions (Br-) are involved in the formation of the lead bromide precipitate.

So, this observation can be explained by the following equation: MoBr₂ + Pb(NO₃)₂ -> Mo(NO₃)₂ + PbBr₂

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Answer:

309 /1000

Explanation:

Answer:

498

Explanation:

Sodium chloride is an ionic compound. The chemical name of Sodium chloride is NaCl.

Ionic compounds are made up of ions. They have charged particles. Ionic compounds when dissolved in solvents they form ions. Sodium chloride losses Na + and cl ions. Magnesium oxide will form mg2+ and O2 ions.

Ionic compounds dissolve in polar solvents. Examples are water, methanol and formamide. For ionic compounds to dissolve there will be ionic compounds will form.

Ionic bonds are not directional. There would be electrostatic or columbic attraction will be form in molecules.  The bonding seen in ionic compounds is called ionic bonding. There are two types of ions seen in molecules such as positive ions and negative ions.

Therefore, Sodium chloride is an ionic compound. The chemical name of Sodium chloride is NaCl.

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Answer: B

Explanation: JUST TOOK THE QUIZ

In any chemical reaction, the mass of the products must equal the mass of the reactants. The mass of product B is the same as the combined mass of Reactant A and H₂O.

Answer:

sh5barch shougi

Explanation:

Rounding to the appropriate number of significant digits is equal to: B. 3.373.

In Mathematics, a significant figure can be defined as the number of digits in a numerical data (value), typically a measurement, which enhances its degree of accuracy.

In this exercise, you're required to evaluate the given mathematical expression by subtracting the numerical data (2.005) from the numerical data (5.37801), and then round to the appropriate number of significant digits as follows:

Expression = 5.37801 - 2.005.

Expression = 3.37301

Next, we would round up to four (4) significant figures because the last significant figure before zero (0) is eight (8):

Expression = 3.373

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Answer:

9584738373848838e7e8e

The conversion factors to the conversions that they would be used for as follows:

1.moles/grams ⇒ d. mass to mole

2.grams/moles ⇒ a. mole to mass

3.atoms/grams ⇒ e. mass to atom

4.moles/atoms ⇒ c. atoms to mole

5.atoms/moles ⇒ b. moles to atoms

The term mole is defined as the amount of substance of a system which contains as many elementary entities.

One mole of any substance is equal to 6.023 × 10²³ units of that substance such as atoms, molecules, or ions. The number 6.023 × 10²³ is called as Avogadro's number or Avogadro's constant.

The mole concept can be used to convert between mass and number of particles.

Thus, The conversion factors to the conversions that they would be used for moles/grams ⇒ mass to mole.

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The concentration of the \(CH3NH2\) solution is 1.84 M.

The balanced equation for the reaction between \(HCl\)and \(CH3NH2\) is:

\(CH3NH2 + HCl → CH3NH3+Cl-\)

From the equation, we can see that the acid and base react in a 1:1 molar ratio. Therefore, we can use the following equation to calculate the concentration of the \(CH3NH2\)solution:

\(M(CH3NH2) x V(CH3NH2) = M(HCl) x V(HCl)\)

where:

\(M(CH3NH2)\)= concentration of \(CH3NH2\) solution (unknown)

\(V(CH3NH2)\) = volume of \(CH3NH2\) solution used (unknown)

\(M(HCl)\) = concentration of\(HCl\)solution (1.84 M)

\(V(HCl)\) = volume of \(HCl\) solution used (28.25 mL or 0.02825 L)

Solving for \(M(CH3NH2)\), we get:

\(M(CH3NH2) = (M(HCl) x V(HCl)) / V(CH3NH2)\)

\(M(CH3NH2)\) = (1.84 M x 0.02825 L) / 0.02825 L

\(M(CH3NH2)\) = 1.84 M

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Answer:

group B

Explanation: all elements in group B are in period 1 of the periodic table

Answer:  2.56140351 atm

The equation we use is  Boyle's law,

P1V1 = P2V2

where the numbers 1 and 2 represent the first and second conditions. All we have to do is rearrange the equation to solve for the volume.

To obtain the final pressure of the gas(P2), use the equation

P2 = \(\frac{P1V1}{V2}\)

so P2 = \(\frac{2.92 * 5}{5.7}\) = 2.56140351 atm.

The final pressure of the gas = 2.56140351 atm.

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If the observed rotation of a solution of 1.2 g of a compound in 10 ml of water is -6.9 degrees then the specific rotation of the compound is -57.5 degrees / (g·dm/mL)

The specific rotation of a compound is defined as the observed rotation of a solution of 1 g of the compound in 1 mL of solvent, with a path length of 1 dm (or 10 cm).

In this case, we have:

Mass of the compound (m) = 1.2 g

Volume of the solvent (V) = 10 mL = 0.01 L

Path length (l) = 10 cm = 0.1 dm

Observed rotation (α) = -6.9 degrees

To calculate the specific rotation ([α]), we can use the following formula:

\([\alpha] = \frac{\alpha}{(c * l)}\)

Where c is the concentration of the solution in g/mL. We can calculate the concentration as follows:

\(c = \frac{m}{V}\)

\(c = \frac{1.2}{0.01}\)

c = 120 g/L

Now we can put the values into the formula to get:

\([\alpha] = \frac{-6.9}{(120*0.1)}\) degrees / (g*dm/mL)

[α] = -57.5 degrees / (g*dm/mL)

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Answer:0.0800

Explanation:

The given parameters are as follows:Volume of the solution, V = 0.200 Concentration of the solution, C = 0.400 mTo calculate the number of moles of CO2 present in the solution, we use the formula below:Number of moles of solute, n = C × V

Where n = number of moles of CO2C

= concentration of the solution in m

V = volume of the solution

Let's plug in the values and solve:n = C × Vn

= 0.400 m × 0.200 Ln

= 0.080 moles

Therefore, the number of moles of CO2 present in the solution is 0.080 moles.

Thus, the correct option is 0.0800.

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The formula for the compound that forms between lithium and each polyatomic ion is \(Li_{2}CO_{3}\), \(Li_{3}PO_{4}\), \(Li_{2} HPO_{4}\) and \(CH_{3}COOLi\).

A substance made up of two or more different chemical elements together in a certain ratio is known as a compound in chemistry. When the elements interact with one another, chemical bonds are formed that are difficult to break.

Only a few of the elements on the periodic table have a second letter that is lowercase after their initial capital letter. Therefore, you can tell an ion is polyatomic if it contains two capital letters together.

So, from the question

The compound that lithium will form with carbonate is \(Li_{2}CO_{3}\)

The compound that lithium will form with phosphate is \(Li_{3}PO_{4}\)

The compound that lithium will form with hydrogen phosphate is \(Li_{2} HPO_{4}\)

The compound that lithium will form with acetate is \(CH_{3}COOLi\)

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The correct equation representing the radioactive decay of 226Ra is (2)   226Ra → 222Rn + 4He.

This equation correctly represents the radioactive decay process of 226Ra (Radium-226) into 222Rn (Radon-222) and 4He (Helium-4).

In radioactive decay, unstable isotopes undergo a spontaneous process to transform into more stable forms by emitting particles or radiation. In the case of 226Ra, it decays by a process called alpha decay. Alpha decay involves the emission of an alpha particle, which consists of two protons and two neutrons (equivalent to a helium nucleus).

The equation (2) shows that 226Ra undergoes alpha decay, resulting in the formation of 222Rn and the release of an alpha particle (4He). The atomic number and mass number must be conserved in the decay process. Therefore, 226 (atomic number 88) on the left side of the equation decays to 222 (atomic number 86) on the right side, while the mass number also decreases by 4 units.

It's important to note that equation (1) represents an incorrect notation, as it suggests that 226Ra undergoes a transformation to 226Ra89, which is not possible as it implies an increase in atomic number. Equation (3) does not accurately represent the decay of 226Ra. Equation (4) is incorrect as it represents the formation of an isotope that doesn't exist.

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Answer:

light

Explanation:

I'm not sure to my answer but hope it helps if it is correct:)

Answer:

Clay soil

Explanation:

There are basically three types of soil namely: Sandy soil, clayey soil and loamy soil. Each of this soil type possess their own distinguishing characteristics. For example, on the basis of particle size and texture, CLAY SOIL possesses the smallest and finest particles.

Particles in a clay soil weighs lesser than 0.002 millimeters (mm) in size, making it have a high water holding or retention capacity.

Considering the definition of empirical formula, the empirical formula is C₃H₈.

The empirical formula, which specifies the elements that are present and the minimal proportion in whole numbers that exist between its atoms—that is, the subscripts of chemical formulas are reduced to the most integers—is the simplest statement to represent a chemical compound. as little as feasible.

Percent composition:

C: 81.71 %

H: 18.29%

In a 100 grams sample, you have 81.71 grams of carbon and 18.29 grams of hydrogen H.

C = 6.81 moles

H = 18.29 moles

To express this relationship in the form of simple integers

C: H mole ratio is 3: 8

Finally, the empirical formula is C₃H₈.

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Answer:

i think it is true

Explanation:

if it correct plz plz mark as brainliest

thank you

19NBoli

Answer:

i hope my answer help you

Explanation:

a/true

Answer:

Its the thin lining around the cell the moniters what gets in and out of the cell.

Explanation:

The given statement "Chemical digestion is a series of chemical reactions that break large chunks of food into proteins, carbohydrates, and fats" is false because chemical digestion breaks down large macromolecules such as proteins, carbohydrates, and fats into smaller molecules such as amino acids, glucose, and fatty acids.

Chemical digestion is one of the two main types of digestion that occur in the digestive system. It involves the breakdown of large macromolecules such as proteins, carbohydrates, and fats into smaller molecules that can be absorbed and used by the body.

Chemical digestion occurs through a series of chemical reactions that are catalyzed by enzymes secreted by the digestive system. For example, proteins are broken down into amino acids by protease enzymes, carbohydrates are broken down into glucose by amylase enzymes, and fats are broken down into fatty acids and glycerol by lipase enzymes.

The resulting smaller molecules are then absorbed into the bloodstream and transported to cells throughout the body where they are used for energy, growth, and repair.

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