Which arrow represents the change of state described
above?

The diagram shows changes of state between solid,
liquid, and gas. The atoms of a substance lose energy
during a change of state. Before the change, the atoms
are close together but are able to slide past one another.
gas

a. M
b. N
c. P
d. Q

Answer: The molarity of final solution is 0.244 M.

Explanation:

Given: \(M_{1}\) = 1.00 M,       \(V_{1}\) = 0.305 L

\(M_{2}\) = ?,                \(V_{2}\) = 1.25 L

Formula used to calculate the molarity f resulting solution is as follows.

\(M_{1}V_{1} = M_{2}V_{2}\)

Substitute the values into above formula as follows.

\(M_{1}V_{1} = M_{2}V_{2}\\1.00 M \times 0.305 L = M_{2} \times 1.25 L\\M_{2} = \frac{1.00 M \times 0.305 L}{1.25 L}\\= 0.244 M\)

Thus, we can conclude that the molarity of final solution is 0.244 M.

Answer:

The word that best characterizes the Pardoner in this passage is hypocritical.

Explanation:

The Pardoner is against avarice, but as it turns out, he himself commits this sin.

Answer:

1077.3 molecular in 1.05*1026 molecules

Answer: Psilocybin (4-phosphoryloxy-N, N-dimethyltryptamine) is the active chemical in certain mushrooms that causes hallucinogenic effects.

Explanation:

An active chemical in certain mushrooms that causes hallucinogenic effects is psilocybin.

Some types of mushrooms, referred to as "magic mushrooms," contain psilocybin.

This chemical molecule, when consumed, is changed into psilocin, which causes the hallucinogenic experiences seen by users.

Mushrooms provide protein, vitamins, minerals, and antioxidants. These might offer several health benefits.

For instance, antioxidants are chemicals that help the body eliminate free radicals.

Free radicals are unfavourable byproducts of metabolism and other biological processes. If they accumulate, oxidative stress could start to appear in the body. This can harm the body's cells and result in a variety of diseases.

Some of the antioxidants found in mushrooms include the following:

Choline, selenium, and vitamin C.

To learn more about mushrooms, visit:

https://brainly.com/question/12430186

#SPJ11

True.catalase activity in the reaction can be detected by observing the formation of oxygen bubbles.

Catalase is an enzyme found in cells that catalyzes the breakdown of hydrogen peroxide into water  and oxygen . This reaction produces bubbles of oxygen gas, which can be seen as effervescence. Therefore, catalase activity in a reaction can be detected by observing the formation of oxygen bubbles.

This reaction is often used as a qualitative test for the presence of catalase in various biological samples, such as blood, cells, and bacteria. The presence of oxygen bubbles indicates that catalase is present and active in the sample.

In summary, the formation of oxygen bubbles is a reliable indicator of catalase activity in a reaction.

Learn more about peroxide  here:

https://brainly.com/question/29102186

#SPJ11

Answer:

k,39

Explanation:

Is the answer

The species that have tetrahedral bond angles are NH₃, CH₃, H₂O, and H₃O. So, four of the species have tetrahedral bond angle.

To determine how many of the following species have tetrahedral bond angles, let's analyze each one: NH₃, BF₃, CH₃, H₂O, and H₃O.

1. NH₃ (Ammonia): Nitrogen has three bonding electron pairs and one lone pair, resulting in a tetrahedral electron pair geometry. The bond angle is approximately 107°, which is close to the ideal tetrahedral angle of 109.5°.

2. BF₃ (Boron trifluoride): Boron has three bonding electron pairs and no lone pairs, resulting in a trigonal planar electron pair geometry. The bond angle is 120°, not tetrahedral.

3. CH₃ (Methyl group): Carbon has three bonding electron pairs and one lone pair (unshared electron), which results in a tetrahedral electron pair geometry. The bond angle is approximately 109.5°.

4. H₂O (Water): Oxygen has two bonding electron pairs and two lone pairs, resulting in a tetrahedral electron pair geometry. The bond angle is approximately 104.5°, which is close to the ideal tetrahedral angle of 109.5°.

5. H₃O (Hydronium ion): The central oxygen atom has three bonding electron pairs and one lone pair, resulting in a tetrahedral electron pair geometry. The bond angle is approximately 109.5°.

Out of the given species, NH₃, CH₃, H₂O, and H₃O have tetrahedral bond angles. So, four of the species have tetrahedral bond angles.

Learn more about tetrahedral bond angles: https://brainly.com/question/30765929

#SPJ11

Answer:

jjjjajwhejwhswjiwiwvssvwvow9qiwgdvdbslw

The number 0.00208 has three significant figures. Significant figures are the digits in a number that carry meaningful information about its precision. In the case of 0.00208, the digits 2, 0, and 8 are all significant.

Zeros that appear before the first nonzero digit (leading zeros) are not considered significant. Therefore, the leading zero in 0.00208 is not counted as a significant figure.

To summarize, the number 0.00208 has three significant figures: 2, 0, and 8.

If we write the number as 0.002080, the trailing zero after the 8 would be considered significant, indicating that there are four significant figures in the number.

If we express the number in scientific notation, such as 2.08 x 10^(-3), the digits 2, 0, and 8 remain significant, regardless of the exponent. Hence, there are still three significant figures in the number.

It's important to note that significant figures are not limited to decimal numbers. They are also relevant in whole numbers and in calculations involving measurements with uncertainties.

Understanding the concept of significant figures allows us to maintain consistency and precision in calculations and measurements. By recognizing the significant figures in a number, we can appropriately determine the number of decimal places to retain in the result of a calculation or measurement.

To learn more about  Significant

https://brainly.com/question/29530365

#SPJ11

Answer:

See the answer below

Explanation:

P can displace Q from its salt solution means that P is more reactive than Q.

Q cannot displace R from its salt solutions means that R is more reactive than Q.

a) There is no information as to which of P and R has the capacity to displace one another from their salt solutions. Hence, the most reactive metal can be either of P and R.

b) When P displaces Cu from CuSO4 solution, the equation can be represented below (assuming that P is monoatomic):

\(P + CuSO_4 --> P_2SO_4 + Cu\)

Hence, the product formed is \(P_2SO_4\)

The term "ionizes" refers to the process by which an acid dissociates into its ions in solution. An acid that ionizes only slightly in solution is considered a weak acid.

A 0.12 m (molar) solution of a weak acid that ionizes only slightly would be considered dilute because it contains a relatively low concentration of acid molecules.
A 0.12 M solution of an acid that ionizes only slightly in solution would be termed a "weak acid."

Weak acids do not fully ionize in solution, meaning they only partially dissociate into their constituent ions. This results in a lower concentration of H+ ions and a higher pH value compared to strong acids.

To know more about acid visit :-

https://brainly.com/question/25148363

#SPJ11

Answer:

False

Explanation:

Brainliest??

The position of equilibrium lies far to the right, with products being favoured. Hence, option A is correct.

Chemical equilibrium is a condition in the course of a reversible chemical reaction in which no net change in the amounts of reactants and products occurs.

A very high value of K indicates that at equilibrium most of the reactants are converted into products.

The equilibrium constant K is the ratio of the concentrations of products to the concentrations of reactants raised to appropriate stoichiometric coefficients.

When the value of the equilibrium constant is very high, the concentration of products is much higher than the concentration of reactants.

This means that most of the reactants are converted into products and the position of equilibrium lies far to the right, with products being favoured.

Hence, option A is correct.

Learn more about the equilibrium here:

https://brainly.com/question/23641529

#SPJ1

Answer:

1. Pharynx

2. Larnyx

3. Mouth

4. Trachea

5. Lungs

6. Diaphragm

7. Bronchi

8. Alveoli

9. Nasal Cavity

10. Bronchioles

A potassium atom's ground state electron configuration is 1s2, 2s2, 2p6, 3s2, 3p6, 4s1.

An atom's electron configuration is a picture of how electrons are arranged in relation to orbital shells and subshells. Consequently, this is potassium's electron configuration.

Making Electron Configurations in Writing. Write the energy level (the period) first, then the subshell that needs to be filled, and finally the superscript, which indicates how many electrons are in that subshell. The atomic number, Z, is the sum of all the electrons.

To know more about  electron configuration  visit:-

https://brainly.com/question/29757010

#SPJ4

This sequence accumulated 4 mutations in 25 million years (question 14) and therefore the mutation rate in 100 million years is 100% (4  each 25 My are 25 percent and therefore x 4: 100%) (question 15).

The mutation rate of a genetic sequence over time refers to the rate at which a given nucleotide sequence changes throughout evolution, which may be expressed as a unit of percentage.

Therefore, with this data, we can see that he mutation rate of a genetic sequence in this case is 25% at each 25 My (the sequence has 16 nucleotides and 4 mutated).

Learn more about the mutation rate here:

https://brainly.com/question/1587513

#SPJ1

Answer:

v = 1130 cm³

Explanation:

Given data:

Volume of sample = ?

Mass of Al sample = 3.057 Kg (3.057 Kg× 1000g/1 Kg = 3057g)

Density of Al sample = 2.70 g/cm³

Solution:

Formula:

d = m/v

d = density

m = mass

v= volume

by putting values

2.70 g/cm³ = 3057g /v

v = 3057g /2.70 g/cm³

v = 1130 cm³

The gravity force on an object from the Earth is the same regardless of whether the object is surrounded by air .

the Earth has an average gravitational force. Different locations on Earth have gravitational forces that are larger or smaller than average. This is because each location has more or less mass than the average

Answer:

3.33 tanques de O₂

Explanation:

Basados en la reacción:

2C₂H₂(g) + 5O₂(g) → 4CO₂(g) + 2H₂O(g)

2 moles de acetileno reaccionan con 5 moles de oxígeno produciendo 4 moles de dióxido de carbono y 2 moles de agua

La ley de Avogadro dice que el volumen de un gas bajo temperatura y presión constantes es proporcional a las moles de este gas. Así, como 2 moles de acetileno reaccionan con 5 moles de oxígeno, los litros de O₂ necesarios para quemar 9340L de acetileno son:

9340 L C₂H₂ × (5 moles O₂ / 2 moles C₂H₂) = 23350L de O₂

Si un tanque contiene 7x10³ L de O₂ serán necesarios:

23350L O₂ ₓ (1 tanque / 7x10³L) = 3.33 tanques de O₂

The pH and the pOH of an aqueous solution that is 0.045 M in HCl(aq) and 0.095 M in HBr(aq) at 25 °C is 1.35, and 12.98 respectively.

To calculate the pH and pOH of the solution, we need to use the concentration of the acidic solutions and the dissociation constants of HCl and HBr.

First, calculate the pH:

For HCl (aq):

[HCl] = 0.045 M

HCl is a strong acid and dissociates completely in water, so the concentration of H⁺ ions is equal to the concentration of HCl:

[H⁺] = 0.045 M

Taking the negative logarithm (base 10) of the H⁺ concentration gives us the pH:

pH = -log10(0.045)

pH = 1.35

Now, let's calculate the pOH:

For HBr(aq):

[HBr] = 0.095 M

HBr is also a strong acid, and its dissociation is similar to HCl. The concentration of H⁺ ions is equal to the concentration of HBr:

[H⁺] = 0.095 M

Again, taking the negative logarithm (base 10) of the H⁺ concentration gives us the pH:

pH = -log10(0.095)

pH = 1.02

Since pH + pOH = 14 (at 25 °C), we can calculate the pOH:

pOH = 14 - pH

pOH = 14 - 1.02

pOH = 12.98

Therefore, the pH of the solution is approximately 1.35, and the pOH is approximately 12.98.

To know more about aqueous solution here

https://brainly.com/question/1382478

#SPJ4

The structure of the repeating unit of the polymer (HNCH₂CH₂NHCOCH₂CO).

The repeating units arise directly from the end-to-end bonding of many vinyl chloride molecules. The molecules that make up a polymer are called monomers. Each vinyl chloride monomer molecule contributes a CH2 group that is single-bonded to the CHCl moiety. They consist of basic building blocks, so-called monomers, the basic building blocks of polymers, which are repeated many times in each molecule.

In many biopolymers, the repeating units of the macromolecules do not have the same structure as the monomers. This is because small molecules such as water are separated from the monomer during incorporation into the polymer. Polymers are composed of different molecules that combine to form long chains. In other words, polymers are useful chemical substances made up of repeating units.

Learn more about The polymer here:-https://brainly.com/question/12933278

#SPJ4

Answer: A the location of atoms, groups, or ions relative to one another and the number, type, and location of covalent bonds

Explanation: I just took the assessment and in my notebook molecular structure has a definition that is literally answer A. Also I got it right lol.

Answer:

a

Explanation:

I hope God it has to be 20 characters so here but I hope this right please have a god day

Answer:

The answer is "B. A conductor that has less conductivity than do metallic conductors."

Explanation:

I took the quiz on A P E X, and I got it right.

The pressure within a gas container that is sealed would rise as the temperature climbed. The right answer is B.

This is easily understood by picturing how the gas particles in the container move more energetically as the temperature rises. This indicates that there are more contacts between them and the container's sidewalls, increasing the pressure.

The pressure inside a closed container of gas is brought on by collisions between the gas's particles and the container's walls. The pressure of the gas increases with the frequency of collisions.

To know more about gas visit:-

https://brainly.com/question/14812509

#SPJ1

Answer:

Energy

Explanation:

energy is defined in science as the ability to move matter or change matter in some other way energy can also be Eefined as the ability to do work which means using force to move an object over a distance when work is done energy is transferred from one object to another.

Answer:

NaCl

Explanation:

Na is the symbol of sodium. Cl is the symbol of chlorine

Answer:

you should have gotten 380.02 degrees kelvin

Explanation:

you have to use the ideal gas law for this one, (PV=nRt). you know the pressure(4.68 atm), volume (2.00L), and mole count (0.300). the R value is the constant of 0.0821L*atm/mol*K

PV=NRT

4.68atm*2.00L=0.300mol*0.0821*T

9.36=0.02463*T

9.36/0.02463

T=380.024 degrees kelvin

The temperature is 380 kelvin

The calculation can be done as follows

number of mole= 0.300 mole

pressure= 4.68 atm

volume= 2 Liters

constant(r)= 0.0821

pv= nrt

4.68×2= 0.300×0.0821×t

9.36= 0.02463t

t= 9.36/0.02463

t= 380

Hence the temperature is 380 k

Please see the link below for more information

https://brainly.com/question/16021471?referrer=searchResults

Answer:

mg2+ because it is a very good idea

Answer: Hydrologic Cycle!

Answer:

people or scientist tend to observe the nature of the continents that described by jigsaw fit,geological similarity among the continents