To find the number of molecules in the given sample of her compound, which of these values must also be used in her calculation?.

Answers

Answer 1

The value which must be used to find the number of molecules in the given sample of her compound is; Avogadro's number.

Avogadro's number and the Number molecules

The Avogadro's constant, otherwise known as the Avogadro's number is the proportionality constant that relates the number of constituent particles in a sample with the amount of substance in the sample in discuss.

Its SI unit is the reciprocal of mole, and it is estimated exactly as Na = 6.02214076×10²³ mol⁻¹.

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Related Questions

Print the two-dimensional list mult_table by row and column. On each line, each character is separated by a space. Hint: use nested loops.

Answers

The program is an illustration of a two-dimensional list

What are two-dimensional lists

These are lists that have rows and columns, i.e. they are two dimensions

The actual program

The program written in Python, where comments are used to explain each line is as follows:

#This defines the list

mult_table = [[1, 2, 3],[2, 4, 6],[3, 6, 9]]

#This iterates through the rows in the list

for row in mult_table:

   #This prints the elements by row

   print(" ".join([str(cell) for cell in row]))

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Use the drop-down menu to complete each statement. From 1919 to 1933, germany was governed by the. Beginning in 1929, the german economy was affected by economic problems in. In mein kampf, hitler asserted the superiority of the race. In 1933, adolf hitler was appointed of germany.

Answers

Answer:

From 1919 to 1933, Germany was governed by the Weimar Republic.

Beginning in 1929, the German economy was affected by economic problems in the United States.

In Mein Kampf, Hitler asserted the superiority of the Aryan

race.

In 1933, Adolf Hitler was appointed chancellor

of Germany.

From 1919 to 1933, Germany was governed by the Weimar Republic. Beginning in 1929, the German economy was affected by economic problems in the United States.

What is Weimar Republic?

Weimar Republic was the democratic government of Germany from 1919 to 1933 (after World War I), sequel to the adoption of a constitutional federal republic by a constituent assembly at the city of Weimar.

In his book titled Mein Kampf (1925), Adolf Hitler asserted the superiority of the Aryan race, and this was a Nazi racial ideology. Also, Adolf Hitler was appointed chancellor of Germany in 1933.

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Social and cultural views that influence and affect relationships.

Answers

Answer:

Cultural views include one's opinions and beliefs on social, religious and traditional aspects of society. People's attitude towards these aspects can influence an individual or a community and their relationships in several ways (positive as well as negative).

Explanation:

Imagine you are a systematist who has discovered an unfamiliar animal. Which of the following observations about the animal will best help you find its taxonomic classification?(1 point).

Answers

An observation about this animal that will help you to find its taxonomic classification is if: the animal has sharp, pointed teeth.

What is taxonomy?

Taxonomy can be defined as a scientific method or technique that is typically used for naming, classification and description of the various species of organisms such as animals, humans, and plants.

The characteristics of taxonomic classification.

Basically, organisms that share several classification levels would have common characteristics such as:

Type of teeth.Number of legs.Number of eyes.Tail type.

In conclusion, an observation about this unfamiliar animal that will help you to find its taxonomic classification is if the animal has sharp, pointed teeth.

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While the human immune system is generally effective at fighting bacterial infections, sometimes the infection overpowers the body’s defenses. In that case, the administration of an antibiotic may be necessary. How does an antibiotic work with the immune system?.

Answers

Answer:

the antibiotic also fight the disease that affect the immune system by producing antitoxins that works with the leucocytes to protect the immune system

Man needs certain essentials met for survival. These include food, clothing and shelter. With this in mind how was europe able to practice imperialism?.

Answers

Answer:

Europeans were able to grow their own food and meat to sustain their dietary needs.

Explanation:

I took the test.

Choose among the given sample of brainstorming techniques and think of a topic to brainstorm.

Answers

Some of the brainstorming techniques which are available are":

Mind mappingBrainwritingRolestorming, etc

What is Brainstorming?

This refers to the different ways through which a person undergoes critical thinking to try and get the meaning of a thing or to solve a difficult task.

With this in mind, we can see that because not all problems are the same, then there are different techniques which are used to brainstorm and some of them includes: rolestorming, mind mapping, etc.

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Which of the following explain the trend in atomic radii size down a group?.

Answers

Atomic radii INCREASES when going DOWN a group because of more energy levels and DECREASES going ACROSS a group because of the increasing positive charge of the nucleus pulling in on the electrons.

Of the following factors that impact biodiversity, which one would be considered a micro-effect?(1 point).

Answers

Answer: C. A stand of aspen trees dies and decays, leaving a clearing in the forest

Explanation:

Express $8\sqrt{18}$ in the form $a\sqrt b$, where $a$ and $b$ are integers and $b$ is as small as possible.

Answers

8 √18 = 8 √(9 × 2)

= 8 √(3² × 2)

= 8 √(3²) √2

= (8 × 3) √2

= 24 √2

Answer:

24 √2

Explanation:

The largest square factor under the radical is $9$. This gives us the factorization $\sqrt{18} = \sqrt 9 \cdot \sqrt 2$. Thus

\begin{align*}

8\sqrt{18} &= 8(\sqrt 9\cdot \sqrt 2) \\

&= 8\cdot 3\sqrt 2 \\

&= \boxed{24\sqrt 2}.

\end{align*}

Britain's approach to interacting with other european countries during queen victoria's reign was called "splendid isolation" by politicians of that era. What was meant by this phrase?.

Answers

Britain stayed out of any territory disputes between other European nations.

Explanation:

Whenever there is a north-south ocean current or a south-north ocean current there is a possible large ____________ difference between the ocean and the land.

Answers

It should be noted that in a case of north-south ocean current or a south-north ocean current there is a possible large temperature difference between the ocean and the land.

What is Ocean currents ?

Ocean currents can be regarded as the continuous as well as predictable movement of seawater which do take place due to gravity and wind

This is called Coriolis Effect, and water density, however temperature difference, between the ocean and the land play a role in north-south ocean current.

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Excited to travel after the lockdown, pedro took a road trip along edsa. He is traveling 18. 0m/???? when he notices a red light ahead. His car is capable of a braking acceleration of 3. 65m/????2. Due to slow reaction, it takes him 0. 200 s to get the brakes on and he is 45. 0 m from the intersection when he sees the light. Will he be able to stop in time?.

Answers

We have that  the distance traveled with breaks on is is mathematically given as

dt=44.38m

Distance travelled on breaks

Question Parameters:

. He is traveling 18. 0m/s

His car is capable of a braking acceleration of 3. 65m/s^2

it takes him 0. 200 s to get the brakes on and he is 45. 0 m from the intersection when he sees the light. Will he be able to stop in time

Generally the equation for the Distance traveled  is mathematically given as

d=v*t

Therefore

d=v*t

d=18*0.2

d=3.6m

Therefore

[tex]dt=\frac{V^2}{2a}\\\\dt=\frac{18^2}{2*3.65}[/tex]

dt=44.38

Hence, the distance traveled with breaks on is

dt=44.38m

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As lily is completing her 1040 form, what piece of information will she find on a different document rather than on this w-2?.

Answers

The piece of information will she find on a different document rather than

on this w-2 is her tax return filed.

What is W-2 form?

This form is usually sent to employees by their respective employers and

contains wages and withholdings figures.

This is usually to ensure taxes are filed properly to the government. The

information which can be found on a different document when filling it is

the tax return filed.

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Assuming ideal solution behavior, how many liters of hcl gas, measured at 30. 0 °c and 745 torr, are required to prepare 1. 25 l of a 3. 20-m solution of hydrochloric acid?.

Answers

The volume of HCl gas required to prepare the solution is 101.54 L

How to determine the mole of HCl Volume of solution = 1.25 LMolarity = 3.20 MMole of HCl =?

Mole = Molarity x Volume

Mole of HCl = 3.2 × 1.25

Mole of HCl = 4 moles

How to determine the volume of HCl Number of mole (n) = 4 moles Temperature (T) = 30 °C = 30 + 273 = 303 KPressure (P) = 745 torr = 745 / 760 = 0.98 atmGas constant (R) = 0.0821 atm.L/Kmol Volume =?

Using the ideal gas equation, the volume of the HCl gas can be obtained as follow:

PV = nRT

Divide both side by P

V = nRT / P

V = (4 × 0.0821 × 303) / 0.98

V = 101.54 L

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When akbar’s son was four years old, akbar put $250 into an account that guaranteed a 10% annual return. The equation mc029-1. Jpg represents the amount of money in the account when the child will be x years old. Which graph models the scenario?.

Answers

The functin that represents the given situation is P(x) = 250e^1.1x

Exponential graphs and equation

Given the following parameters from the questions

Principal = $250

Rate = 10%

Time = x

The standard exponential function is given as:

P(t) = P0e^rt

Substitute the given parameters to have:

P(x) = 250e^(1+0.10)x
P(x) = 250e^1.1x

Plotting graph of the resulting function will give:

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Answer:

the answer is C, the graph with the straight line.

A pure sample of gold has a volume of 25. 0 cm3 and a mass of 483 g. What is the density of gold?.

Answers

Answer:

19.3 g/cm^3

Explanation:

V = 25.0 cm^3

m = 483 g

density = m/V = 483/25.0 = 19.3 g/cm^3

Solve the inequality x - 3 ≥ 1. Which number line represents the solution?.

Answers

Answer:

x ≥ 4

Explanation:

Given the following question:

x - 3 ≥ 1

In order to find the answer, we solve this like a normal one-step equation by adding three on both sides.
x - 3 ≥ 1
+ 3
-3 + 3 = 0
1 + 3 = 4
x ≥ 4

The number should look something like this...

Hope this helps.

The volume of a sphere is 972π ft³. What is the radius of the sphere? enter your answer in the box.

Answers

Answer:

The radius is 9 ft

Explanation:

[tex]V=\frac{4}{3} \pi r^3\\\\972\pi =\frac{4}{3} \pi r^3\\3(972\pi) =(\frac{4}{3} \pi r^3)3\\2916\pi =4\pi r^3\\\frac{2916\pi}{4\pi } =\frac{4\pi r^3\\}{4\pi } \\729=r^3\\\sqrt[3]{729} =r\\9=r[/tex]

What do we call a pure sample that's run next to the tested substance to see if it's a component in the mixture?.

Answers

Reference value
Hope this helped:)

The pure sample that is run next to a tested substance to determine if it is a component is called : A reference value

What is a pure sample ?

A pure sample is chemical substance which possess  distinct chemical properties while having a constant and definite composition. To determine if a sample is pure or impure, its' property such as melting point is compared with an established reference data.

Hence we can conclude that The pure sample that is run next to a tested substance to determine if it is a component is called : A reference value

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Dogs have the ability to hear sounds up to 40,000 hz. If the speed of sound is 340 m/s, what is the most extreme wavelength dogs can detect?.

Answers

The most extreme wavelength dogs can detect sound is 0.0085 m.

What is wavelength?

The is the distance of one complete cycle of a wave.

To calculate the most extreme wavelength dogs can detect sound, we use the formula below.

Formula:

v = λf................... Equation 1

Where:

v = Speed of soundf = Frequency of soundλ = most extreme wavelength .

make λ the subject of the equation

λ = v/f................ Equation 2

From the question,

Given:

v = 340 m/sf = 40000 Hz

Substitute the given values into equation 2

λ = 340/40000λ = 0.0085 m.

Hence, The most extreme wavelength dogs can detect sound is 0.0085 m.

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The probability that a person living in a certain city.

Answers

Answer:

1/2

Explanation:

The person may live there or not so it 1/2

Decide if each key moment was shown using dialogue or narration. "look, paul," said hammond. "i'll have a talk with mitchell, but i'm not going to go beating up on him for you. Understood?" as fast as my legs would take me, i crossed the meadow, but there was no catching them. Ghost wind and mitchell were gone, hidden by the deep green of the forest. My mama set a lone plate for me on the sideboard in the kitchen. That was truly the first time i felt unwanted in my daddy's family. "well, you didn't tell that man from alabama anything about you being my daddy, just that i was 'your boy'! figure that says more than anything else! now, i want to ride that stallion!".

Answers

These are the sentences and whether they are dialogues or narrations:

Dialogue:  "look, paul," said hammond. "i'll have a talk with mitchell, but i'm not going to go beating up on him for you. Understood?"

Narration: as fast as my legs would take me, i crossed the meadow, but there was no catching them. Ghost wind and mitchell were gone, hidden by the deep green of the forest.

Narration: My mama set a lone plate for me on the sideboard in the kitchen. That was truly the first time i felt unwanted in my daddy's family.

Dialogue: "well, you didn't tell that man from alabama anything about you being my daddy, just that i was 'your boy'! figure that says more than anything else! now, i want to ride that stallion!".

What is the difference between dialogue and narrative?

The dialogue is part of the narrative but it happens when two or more characters speak to eachother, it is a conversation.

Narrative is everything that happens in a narration, a story or a text, and that is why dialogue is part of the narrative.

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Answer:1. Dialogue

2. Narration

3. Narration

4. Dialogue

Explanation:

Part a: what is a central idea of the passage from 'the tempest'?.

Answers

The central idea of the passage from 'The Tempest' is betrayal (disloyalty), magic, love, and compassion. It was written by William Shakespeare.

What is The Tempest?

The Tempest is a literary play written by Shakespeare and based on his reading of real events described by a voyager.

The Tempest deals with magic, love, disloyalty and forgiveness, this history occurs on an island near Italy.

The main message of The Tempest also intends to describe the importance of mercy.

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The amount of kinetic energy an object has depends on its mass and its speed.

Answers

Answer:

Yes as if the weight is too high the acceleration will be very slow

Nuclear pores regulate the passage of substances into and out of the nucleus. Antibodies such as mab414 have been used to inhibit the movement of substances through the nuclear pores of rat liver cells. Scientists cultured rat liver cells (eukaryotic) and bacteria cells (prokaryotic) in separate dishes with radioactively labeled amino acids. A specific gene in both cell types was engineered to synthesize identical polypeptide chains, and translation of this gene was measured. The procedure was repeated with mab414 (the inhibitor) added to each of the two cell cultures, and translation was monitored again.

Answers

The graphs that best summarizes the results of the given experiments are; Found in the attached file

What is the aim of an experiment?

The aim of the given experiment is to explain the translation in the prokaryotes and eukaryotes. In biology, translation in this case is defined as the production of protein from mRNA by translating a sequence of mRNA molecule to a sequence of amino acids.

Now, In eukaryotes, translation occurs in the cytoplasm and as a result, mRNA in the nucleus is transported to the cytoplasm. However, in prokaryotes, the cytoplasm acts as the nucleus which means that there is no need for the transportation of mRNA via Nuclear pores to the nucleus.

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Which of the following describes an environmental problem that can result from the combustion of fossil fuels to generate electricity?.

Answers

An environmental problem that may result from the combustion of fossil fuels when used to generate electricity is that: it can lead to global climate change when released into the atmosphere.

What is a fossil fuel?

A fossil fuel can be defined as a form of non-renewable energy that are typically made up of hydrocarbons (carbon and hydrogen) and are formed within Earth's crust, especially from the remains of dead plants and animals i.e decomposing plants and animals.

Generally, the combustion of fossil fuels can be used to generate electricity. However, an n environmental problem that may result from the combustion of fossil fuels when used to generate electricity is that it can lead to global climate change when released into the atmosphere because carbon dioxide is a by-product that is derived from the combustion fossil fuels.

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Just tell me (& send a screenshot too if you can) how many followers the first person who I'm following has.
user = blackshades

Answers

The friends list is the followers otherwise it would be unaccepted friend requests.

Why did the economies of the former east german areas collapse during reunification?.

Answers

Answer:

because they are not building well from stating point until the end

A cylinder has a height of 21 cm and a volume of 11,144 cm³. What is the radius of the cylinder? round your answer to the nearest whole number.

Answers

Answer:

13 cm

Explanation:

h = 21 cm, V = 11,144 cm^3

V = π r^2 h

so

[tex]r=\sqrt{\frac{V}{\pi h}}=\sqrt{\frac{11,144}{\pi\times21}}=13 cm[/tex]

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