Boltzmann’s constant is 1.38066 × 10−23 J/K, and the universal gas constant is 8.31451 J/K · mol.
If 2.4 mol of a gas is confined to a 4.3 L vessel at a pressure of 11 atm, what is the average kinetic energy of a gas molecule? Answer in units of J.

Answers

Answer 1

Answer:

[tex]4.95\cdot 10^{-21} J[/tex]

Explanation:

First of all, let's convert everything into SI units:

n = 2.4 mol (number of gas moles)

[tex]p=11 atm = 1.11\cdot 10^6 Pa[/tex] (gas pressure)

[tex]V=4.3 L=4.3\cdot 10^{-3} m^3[/tex] (gas volume)

R = 8.31451 J/K · mol (gas constant)

The ideal gas equation states that

[tex]pV=nRT[/tex]

Solving for T, we find the gas temperature

[tex]T=\frac{pV}{nR}=\frac{(1.11\cdot 10^6)(4.3\cdot 10^{-3})}{(2.4)(8.31451)}=239.2 K[/tex]

And now we can find the average kinetic energy of the gas:

[tex]E_K = \frac{3}{2}kT[/tex]

where

k = 1.38066 × 10−23 J/K is the Boltzmann's constant

Substituting,

[tex]E_K = \frac{3}{2}(1.38066\cdot 10^{-23} J/K)(239.2 K)=4.95\cdot 10^{-21} J[/tex]

Answer 2

The average kinetic energy of the gas molecule is 4.97 × 10⁻²¹ J

Calculating the average kinetic energy of a gas molecule

From the question, we are to calculate the average kinetic energy of the gas molecule.

The average kinetic energy of a gas molecule can be calculated from the formula,

[tex]KE_{avg}=\frac{3}{2}k_{b}T[/tex]

Where [tex]k_{b}[/tex] is the Boltzmann's constant

and T is the temperature

Now, we will determine the temperature of the gas

From the given information

R = 8.31451 J/K.mol

n = 2.4 moles

V = 4.3 L

P = 11 atm = 1114.58 KPa

From the ideal gas equation

PV=nRT

Then, we can write that

[tex]T = \frac{PV}{nR}[/tex]

Putting the parameters into the equation, we get

[tex]T = \frac{1114.58 \times 4.3}{2.4 \times 8.31451}[/tex]

T = 240.1772

T ≅ 240.2 K

Now, for the average kinetic energy of the gas molecule

[tex]KE_{avg}=\frac{3}{2}k_{b}T[/tex]

From the given information

[tex]k_{b} = 1.38066 \times 10^{-23}[/tex]

∴ [tex]KE_{avg}=\frac{3}{2} \times 1.38066 \times 10^{-23} \times 240.2[/tex]

[tex]KE_{avg}= 4.97 \times 10^{-21} \ J[/tex]

Hence, the average kinetic energy of the gas molecule is 4.97 × 10⁻²¹ J

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Related Questions

A force of 2 newtons is required to stretch a spring 4 cm. The amount of force required to stretch the same spring 8 cm is _____ newton(s)

a) 1
b) 2
c) 4
d) 8

Answers

Answer will be c for this one!

If there is a North and South Pole on a magnet why don’t north and north meat or south and south

Answers

Because like poles repel and unlike poles attract. This is a property of every magnet.

Final answer:

Magnets have both north and south poles, which cannot be separated; like poles repel each other, preventing north poles or south poles from meeting. Cutting a magnet results in new pairs of poles, as they always occur in pairs.

Explanation:

Every magnet has two types of poles, a north pole and a south pole. These poles always come in pairs and cannot be separated; they exhibit a fundamental property of magnets. The reason a north pole does not meet another north pole, or a south pole another south pole, is due to the magnetic fields that they generate. Like poles will always repel each other, which means the north pole of one magnet will repel the north pole of another magnet, and the same goes for two south poles.

When a magnet is cut, even into very small fragments, each piece will retain a north and a south pole. It is impossible to isolate a north pole or a south pole on its own, which is a basic principle of magnetism. Therefore, regardless of how much you divide a magnet, you will never end up with a single pole; new pairs of poles will emerge in each fragment. This inherent characteristic is verified by experiments and is even observable on the atomic level with elements that exhibit magnetic properties, such as iron.

Which statement best defines syntax? A. It is the study of words. B. It is the study of the organization of words into sentences, phrases, and clauses. C. It is the study of a long stretch of a language. D. It is the study of sentences.

Answers

b would be the best answer

Answer: B. It is the study of the organization of words into sentences, phrases, and clauses.

Explanation:

A syntax in linguistics can be define as the set of rules, processes, principles that is used to frame and govern the sentences in a particular language. It gives the knowledge of the order, arrangement and framing of the words, punctuation in phrases, clauses and sentences, so as to make them meaningful and understandable.

The average kinetic energy of the particles in an object is directly proportional to its A) heat. B) volume. C) temperature. D) potential energy.

Answers

the average kinetic  energy of the particles in an object is directly proportional to its TEMPERATURE.

Answer: B

Explanation: the answer is b

which events cause ferromagnetic materials to magnetize and which events cause them to demagnetize. sort events into the correct category.

ANSWERS BELOW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Magnetize;
1) place in magnetic field
2) pass electricity through
3) rub on permanent magnet

Demagnetize;
1) heat
2)strike
3)place in opposite polarity

Answers

Magnetize;

2 3 1

Demagnetize;

3 1 2

magnetize :

place in magnetic field,

rub on permanent magnet,

pass electricity through

demagnetize :

place on opposite polarity,

strike,

heat

If a light Ray is aimed so that it bounces off a metal drain in a pool, the light Ray will reflect off the drain according to ? A) shells law B) the law of reflection C) the law of refraction D) the law of incidence

Answers

Answer:

B) the law of reflection

Explanation:

When a light ray reflects off a surface, it obeys the law of reflection.

A few definitions before giving the law of reflection:

- The angle of incidence is defined as the angle between the incident ray and the normal to the surface

- The angle of reflection is defined as the angle between the reflected ray and the normal to the surface

The law of reflection states that:

- The angle of incidence is equal to the angle of reflection

- The incident ray and the reflected ray lie both on the same plane.

what is the proper equation to use for finding the net force in the y direction

Answers

The direction of the acceleration is the same as the direction of the net force: 34 degrees. Apply the equation <eq04017> to find the magnitude of the net force, giving you 35.4 N. Use the magnitude of the force and the mass to find the magnitude of the acceleration: a = F/m = (35.4 N)/(0.10 kg) = 354 m/s2.

Answer: it’s Fnety =(FT)(Sin 32°)- Fg

Explanation:

I guessed it right

Help...??

Which describes the behavior of light when traveling from a medium through which it travels more slowly, such as water to a medium through which it travels faster , such as air?

a. light travels perpendicular to the normal.

b. light bends away from the normal.

c. light bends towards the normal.

d. light travels in a straight line.

Answers

"If a ray of light passes across the boundary from a material in which it travels slowly into a material in which travels faster, then the light ray will bend away from the normal line."

I hope this helps, it bends away from the normal

If you get married in 2019, and then in the future 28 years have past what would your age be. Also when you get married in 2019 the age is 18

Answers

the answer is 46 because the year is 2047 and you was eighteen in 2019 so you was born in 2001

To calculate the age after 28 years from getting married at age 18 in 2019, you add 28 to 18, resulting in an age of 46 years.

If someone gets married at the age of 18 in the year 2019, to calculate their age after 28 years have passed, you simply add 28 to their age at marriage. Here's the step-by-step calculation:

Age at marriage: 18 yearsYears passed: 28 yearsNew age = Age at marriage + Years passedNew age = 18 years + 28 yearsNew age = 46 years

Therefore, after 28 years have passed since getting married in 2019, the person would be 46 years old.

Approximately how many years has the sun been active? 3.5 billion 4.5 billion 5.5 billion 6.5 billion

Answers

5.5 billion

Hope this helps :)

According to science its 5 billion years

And This Isn't in your option so we can say 4.5 billion years.

The efficiency of a device such as a lamp can be calculated using this equation:

efficiency = (useful energy transferred ÷ energy supplied) × 100

Using the formula, calculate the efficiency of the lamp shown in the diagram above.

A) 7%
B) 25%
C) 70%
D) 75%

Answers

Answer: C- 70%

Explanation:

Useful energy = 250J-75J = 175J

175J/250J*100= 70%

Efficiency should always be less than 1 or below 100% because every device wastes some energy. You committed a calculating error if you receive a result that is more than 1 or 100% Thus option C is correct.

What efficiency of a device as a lamp can be calculated?

Efficiency refers to how effectively a technology converts energy input into usable energy output. The percentage of energy delivered in beneficial ways determines a device's efficiency. Either a decimal or a percentage can be used to represent the efficiency.

Any efficiency can be determined by dividing the energy input by the energy output by 100%. This equation serves as a general representation of energy in the form of heat or power.

Therefore, Useful energy = 250J-75J = 175J  175J/250J×100= 70%

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if a 6kg ball is hanging by a rope from the ceiling at rest, what is the tension of the rope?

Answers

Answer:

58.8 N

Explanation:

Since the ball is hanging at rest, the net force on the ball must be zero.

There are only two forces acting on the rope:

- Its weight, downward, given by W = mg, where m = 6 kg is the mass of the ball and g=9.8 m/s^2 is the acceleration due to gravity

- the tension in the rope, T, upward

Therefore, the equation for the forces is:

[tex]T-W=0[/tex]

And solving for T, we find:

[tex]T=W=mg=(6 kg)(9.8 m/s^2)=58.8 N[/tex]

Materials such as oil and gas are used as fuel because they have what chemical property?

Answers

Among the most important characteristics of fuels is their heating value.

oil and gas have relatively high heating values as compared to other locally available materials. they are also easy to burn as they are highly inflammable.

ignition takes less time due to this property.

a screwdriver with a 1-cm shaft and a 4-cm handle is used to tighten a screw calculate the mechanical advantage

Answers

Answer;

Mechanical advantage = 4

Explanation;Screwdriver is a type of wheel and axle and the mechanical advantage of a wheel and axle depends upon the size of the wheel compared with the size of the axle.To calculate the mechanical advantage of a wheel and axle, you take the radius of the wheel, (which is the distance from the center of the wheel to the outside edge), and divide it by the radius of the axle.

In this case;

Radius of the screwdriver’s handle = 4 cm

Radius of the shaft  = 1 cm

Therefore,

Ideal mechanical advantage = 4 cm/1 cm

                                                = 4

Need help with question 4 for physics

Answers

do c or A I personally would do c

When using the magnification equation, a value greater than 1 as the solution for M indicates that the image is

larger than the object.
smaller than the object.
real.
virtual.

Answers

Answer:

Larger than the object

Explanation:

The magnification of a lens/mirror is given by the equation:

[tex]M=-\frac{h_i}{h_o}[/tex]

where

[tex]h_i[/tex] is the size of the image

[tex]h_o[/tex] is the size of the object

from the formula, we see that if M is greater than 1, it means that [tex]|h_i|>|h_o|[/tex]

and so, it means that the image is larger than the object.

The negative sign simply tells if the image is upright or inverted: when M is positive, the image is upright, when M is negative, the image is inverted.

Answer:

Larger than the object

Explanation:

Which planet in the list below is larger than Earth? A. Saturn B. Mars C. Mercury D. Venus

Answers

ANSWER:

the planet that is larger than earth is Saturn

~batman wife dun dun dun...aka ~serenitybella

it would be Saturn

The equatorial diameter of Saturn is 120,536 km; that's about 9.5 times bigger than the diameter of the Earth. The surface area of Saturn is 83 times the area of Earth, and the volume is 764 times the volume of Earth. In other words, you could fit 764 planets the size of Earth inside Saturn.

A 111.6 g sample of iron was heated from 0°C to 20°C. It absorbed 1004 J of energy. What is the specific heat capacity of iron?

Answers

Formula

H = m*c*ΔT

Givens

H = 1004 J

m = 111.6

ΔT = 20 - 0

ΔT = 20

c = ?

Solution

1004 = 111.6 * c * 20          Multiply the right.

1004 = 2232*c                  Divide to get c

1004/2232 = c                  Do the division

0.4498     =   c

Specific heat of iron = 0.4498

Although the acceleration due to gravity is the same on all objects, why do a flower petal

and a hammer that are falling towards the Earth hit the ground at different speeds and

times. (I need a really good explanation)

Answers

We know that acceleration due to gravity is the same for all objects. But if we drop a flower petal and a hammer from the same height, the hammer falls faster. Why does this happen?

Let me try to explain. The petal falls slower as the resistance it faces by air slows it down much more. Even though the hammer is also affected by this resistance, the speed decrease is negligible due to its weight.

To simplify, a petal is much lighter than a hammer. Even though gravity accelerates them at the same speeds, the petal slows down due to air resistance but the hammer doesn't, as its weight counteracts the air resistance.

I may be confusing at times, so please ask me if you want anything clarified :)

Hope this helps you!

What is the temperature of a gas in which the atoms are moving very, very slowly? Question 9 options: cold hot room temperature

Answers

The temperature of the gas will be cold, because the atoms move very slow,

Answer:

cold

Explanation:

According to kinetic theory of gases, gases at same temperature have same kinetic energy. The speed (v) of the particles of the gas is directly proportional to the temperature (T) of the gas.

K.E. ∝ T

v ∝ T

In the given situation, the atoms of gas are moving very slowly. This means that the temperature of the gas must be very low. The temperature of the gas would be cold.

During which month will Europe and Africa each have equal amounts of sunlight?

Answers

The answer is March because they are have an equal amount of sunlight in the vernal equinox which is during the month March.

Answer:    March and September

Explanation:  Equinox is a term that is related to the position of the Earth in relation to the Sun, and this is a short period of time when the plane of the equator passes through the center of the Sun. This happens twice a year and there are spring and autumn equinoxes, more specifically around March 20 and September 23, and then, thanks to the position of the Earth's equator in relation to the center of the Sun, the amount of sunlight is the same in Africa and Europe. So in March and in September.

What factor might be contributing to climate change

Answers

Final answer:

Climate change is primarily driven by the emission of greenhouse gases like carbon dioxide and methane, mainly from the burning of fossil fuels, deforestation, agriculture, and manufacturing. Human-caused factors are the most significant contributors to the current rates of global warming, surpassing natural influences on the climate.

Explanation:

One significant factor contributing to climate change is the emission of greenhouse gases such as carbon dioxide (CO2) and methane. The largest driver of warming comes from burning fossil fuels like coal, oil, and natural gas, which is the main source of CO2 emissions. This is further compounded by deforestation, agriculture, and manufacturing. Other manmade causes include increases in near-surface ozone from internal combustion engines, and aerosols such as carbon black and dust, which impact the Earth's albedo and its ability to reflect solar radiation.

It is essential to distinguish between natural factors that have historically influenced climate, such as changes in Earth's orbital patterns, plate tectonics, solar output, and volcanic activity, versus the anthropogenic (human-caused) factors driving the current unprecedented rates of climate change. Human-related factors far outweigh natural influences, which cannot fully explain the rapid increase in global temperatures observed today. The use of fossil fuels for energy and transportation is identified as the critical factor in fueling the current trend of climate change, contributing directly to the greenhouse effect.

Efforts to reduce emissions, transition to renewable energy sources, and implement more sustainable practices are vital steps in addressing the ongoing climate crisis. This reflects a dire need for coordinated global action to mitigate the impacts on food supply, water resources, ecosystems, and human health.

A negative charge is moving across a room from south to north. A magnetic field runs from east to west. In what direction is the magnetic force on the moving negative charge?
A.
toward the east
B.
toward the west
C.
toward the floor
D.
toward the ceiling

Answers

Here is your answer

C. towards the floor

REASON:

Using Fleming's Left hand rule we can determine the direction of force applied on a moving charged particle placed in a magnetic field.

The direction of current will be just opposite to the direction of electron(negative charge) because current moves from positive to negative terminal whereas electron moves from negative to positive terminal.

So, direction of current- North to South

Now applying Fleming's Left hand rule we get the direction of force in downward direction, i.e. towards the floor.

HOPE IT IS USEFUL

Answer:

plato answer is c?

Explanation:

How does a magnet affect another magnet, something made of iron or a similar metal, and moving charges?

It exerts an electric force.

It exerts a magnetic force.

It exerts a polar force.

It exerts a force proportional to the magnet’s charge.

Answers

How does a magnet affect another magnet, something made of iron or a similar metal, and moving charges?

It exerts a magnetic force.

~Hope this answers your question!~

Answer: The correct answer is "it exerts a magnetic force".

Explanation:

Magnet: It has magnetic properties. It has two poles: south pole and north pole.

Magnets attract the iron or other metal. It is due to the influence of their magnetic field. The atoms of the iron gets align their electrons. In this way, the iron gets magnetized.

There is a magnetic force of attraction between the opposite poles. There is a magnetic force of repulsion between the same poles.

The current carrying conductor produces the magnetic field around it.

If the compass needle is placed near the current carrying conductor then it will show the deflection. It shows the presence of the magnetic field around the current carrying conductor. It exerts a magnetic force.

Therefore, the option "It exerts a magnetic force" is a correct.

Why higher voltage means thinner cables and why it is then cheaper?​

Answers

The higher the voltage, the lower the current. ... The lower current that accompanies high voltage transmission reduces resistance in the conductors as electricity flows along the cables. This means that thin, light-weight wires can be used in long-distance transmission.

Which is a tool used by scientists to determine the composition of objects?

A. a hologram
B. a spectrometer
C. a wave front
D. a prism

Answers

Answer:

Its B

Explanation:

edg2020

Spectrometer is the tool used by scientists to determine the composition of objects. So, option B is correct.

What is meant by spectroscopy ?

Spectroscopy is defined as the technique of studying the structure and properties of matter by using radiations.

Here,

The method of spectroscopy is that it analyses matter by using radiations. In this process, the radiations emitted and absorbed by the particles are analyzed. The instrument used is called spectrometer. Thus the absorption spectra and emission spectra of the particle are obtained. From this, the interaction of the particle with the materials in form of energy can be studied. Spectroscopy can be called as the measurement of the matter-energy interactions by means of radiation and their wavelengths as the function of energy. Spectroscopy and its applications have been widely used in many of the theories in physics. Quantum mechanics and relativity theories and many others has been developing their theories by the major applications of spectroscopy. Study of material particles are widely done by spectroscopy

Hence,

Spectrometer is the tool used by scientists to determine the composition of objects.

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How does a star’s life begin?

Answers

THE LIFE OF A STAR

The star starts as a NEBULA basically like this really pretty universal gas. The gas then starts to attract to each other and sticks around together. In the universe the temperature may vary. When the temperatures are extremely high there is a REACTION aka FUSION that takes place.

Then THERE IS A STARR

Which object has the greatest gravitational attraction ?

Answers

Jupiter is the largest planet in our Solar System. Hence, Jupiter has the greatest gravitational attraction in our Solar System.

What is gravity?

Gravity is a fundamental interaction in physics that produces attraction between all objects with mass or energy. Of the four fundamental interactions, gravity is by far the least powerful; at the level of subatomic particles, it makes no difference at all.

The motion of planets, stars, galaxies, and even light is controlled by gravity, which is the most important interaction between things at the macroscopic level.

Strength of gravitational force an be expressed as:

E = GM/r²

Where G = universal gravitational constant and M = mass of the planet; r = distance between the planet and the object.

As Jupiter is the largest planet in our Solar System, Jupiter has the greatest gravitational attraction in our Solar System.

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Which of these statements about mixtures is true A.mixtures are made up of elements bonded together B.Elements and compounds are types of mixtures C.Pure substances are made up of mixtures combined in specific ratios D.mixtures are classified based on the distribution of particles in them

Answers

Final answer:

The true statement is that mixtures are classified based on the distribution of particles in them. Mixtures are a combination of two or more pure substances that retain their individual properties. Elements and compounds, often components of a mixture, are not inherently mixtures themselves.

Explanation:

Among the statements given about mixtures, the true one is statement D: mixtures are classified based on the distribution of particles in them. Mixtures are a combination of two or more pure substances in which each substance keeps its own properties. They are not chemically combined. Elements and compounds can often form part of a mixture but are not, in themselves, mixtures. Elements, compounds, and mixtures each have different classifications and properties in the field of chemistry.

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An electric current produces a magnetic field because of ______.
A.) Magnetism
B.) The Moving Protons
C.) Magnetic field
D.) Induction

Answers

Final answer:

An electric current produces a magnetic field because of the motion of charged particles. While the original question suggests moving protons, it is actually the movement of electrons in the current that generates the magnetic field. This process is closely related to the principle of induction, where changing magnetic fields induce electric currents in conductors.

Explanation:

An electric current produces a magnetic field due to the magnetic field from the moving charges in the current. When electric charges are in motion, such as when electrons flow through a conductor, they generate a magnetic field around them. This is a fundamental principle of electromagnetism, informed by Oersted's discovery and formalized by the works of Faraday and Henry. The key underlying concept relating to the production of magnetic fields by electric currents is the motion of charged particles, which in most cases are electrons.

To address the original question: An electric current produces a magnetic field because of B.) The Moving Protons. However, this is a misleading choice as it is actually the electrons that move in a conductor, not protons. A more accurate statement would be the movement of charged particles—typically electrons in circuits—produces a magnetic field.

One can induce a magnetic field through the interaction of magnets with conductors, a process known as induction. For example, moving a bar magnet through a wire loop (as stated in the provided information), known as motional emf, will induce an electric current in the wire loop due to the changing magnetic flux.

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Which of the following stimuli is the most powerful respiratory stimulant to increase respiration?A) arterial pHB) an increase in blood pHC) rising carbon dioxide levelsD) a rise in body temperature scientists use models for many reasons. what is one of those reasons? Ethanol (CH3CH2OH) is an alcohol found in beverages. It is oxidized in the body to acetaldehyde by the enzyme alcohol dehydrogenase. Methanol (CH3OH), also known as wood alcohol, is converted to formaldehyde by the same enzyme. Acetaldehyde is toxic, but formaldehyde is far more toxic to humans, which is why the ingestion of relatively small amounts of methanol can cause blindness or death. One treatment for mild methanol poisoning is the administration of ethanol. Why might a doctor choose this treatment? Ethanol (CH3CH2OH) is an alcohol found in beverages. It is oxidized in the body to acetaldehyde by the enzyme alcohol dehydrogenase. Methanol (CH3OH), also known as wood alcohol, is converted to formaldehyde by the same enzyme. Acetaldehyde is toxic, but formaldehyde is far more toxic to humans, which is why the ingestion of relatively small amounts of methanol can cause blindness or death. One treatment for mild methanol poisoning is the administration of ethanol. Why might a doctor choose this treatment? why do sand dunes reduce erosion A.they cause the tides to go higher. B.they cause waves to break offshore. C.the roots of dune plants hold sand in place. D.they prevent people from walking on the beach Use the quadratic formula to solve Round irrational solutions to the nearest tenth 35 POINTS HELP PLEASE! RUNNING OUT OF TIME! How do the expressions 72 / 9 and -72/ (-9) compare when they are evaluated? A. They have different values and are different signs. B. They have different values but are the same sign. C. They have the same value but are different signs. D. They have the same value and the same sign. 1.) 2x + y = 3 2.) x - 2y = -1 If equation 1 is multiplied by 2 and then the equations are added, the result is What's the volume of a pipe at a port that is 4 feet in diameter 24 ft longA. 603.1872B. 150.7968C. 314.1632D. 301.5936 SARA T (1) muy elegante hoy! CLAUDIA Gracias. Voy a salir a cenar con mi novio. SARA Qu bien! Y, adnde van? CLAUDIA Queremos ir al restaurante Magia. (2) nuevo. Sabes? Hoy por fin habl con Miguel. Su madre vino de Espaa la semana pasada y (3) con l. SARA Su madre (4) de Madrid, verdad? CLAUDIA No, de Sevilla. Pobrecita, ahora ella (5) aburrida porque no conoce a nadie. SARA Claro, Miguel (6) demasiado ocupado con su trabajo. Oye, por qu no la invitamos a ir de compras con nosotras? CLAUDIA Qu buena idea! Y qu amable (7) (t)! SARA Ay! Ya (8) las cinco y media. Me tengo que ir. The equation of a line is x = -4 what is the slope How do you count a 2/2 time signature? Evaluate the expression 5 to the second power (72-45) divided by 5 How did President Johnsons War on Poverty affect American communities? Do sharks have bacteria in their stomach that let them digest their food HELP PLEASE LAST QUESTION I NEED!!!!!!!!!!!!!!!!! Why was Botticelli important to the Renaissance? What is one characteristic of a sample of matter that indicates it is a pure substance?A)It can be separated using by a physical means, such as filtering.B)The components in a pure substance do not have to be in definite ratios.C)If the composition of a sample varies, the sample is a pure substance.D)If the composition of a sample is fixed, the sample is a pure substance find the surface area of a prism a personal review of your own strengths, weaknesses, and goals is called a ____. A. cover letterB. self-assessmentC. formal applicationD. mock interviewANSWER: B. SELF-ASSESSMENT Steam Workshop Downloader