There are no attractive or repulsive forces between gas molecules. How does that affect the motion of gas particles?

Answer:

it's B.

Explanation:

Similar to Radio wave a microwave is also an electromagnetic wave of lower wavelength and high frequency.

Answer:

B

Explanation:

Answer:

1. False

2.True

Explanation:

Answer:

A) He is taking lot’s of notes.

Explanation:

Conflict resolution refers to the process that helps the two parties involved in a communication to turn towards a peaceful resolution when a dispute arises. Conflicts are very obvious to occur among the people working together. Around the professional world, conflicts may emerge among the co-workers, supervisors, and among the management team. The process that helps to resolve the issues is termed to be the conflict resolution process.

In the given situation, the conflict resolution process of resolving the issue would be option A. All the other options would lead towards the emergence of conflict or misunderstanding respectively.

Answer:

A.

He is taking lots of notes.

Explanation:

I took the practice on edge.2020

The mass of oxygen is 128 g

Given that a sample of gas consists of oxygen (molecular mass 32.0 g/mol) and neon (20.0 g/mol). The sample has a mass of 226 g and contains a total of 8.00 moles of gas. We are required to find the mass of oxygen in the sample.

Let us suppose that the number of moles of oxygen is x. Now, we know that the total number of moles of gas is 8 moles. Therefore, the number of moles of neon is (8 - x).

Molar mass of oxygen = 32 g/mol

We can calculate the mass of oxygen from the number of moles of oxygen and molar mass of oxygen as follows:

Number of moles of oxygen × Molar mass of oxygen = Mass of oxygenx × 32 = Mass of oxygen

Let us find the mass of oxygen:

Mass of neon = Total mass of gas – Mass of oxygen

226 – Mass of oxygen = Mass of neon

226 – Mass of oxygen = (8 – x) × 20

Simplifying the equation:

226 – Mass of oxygen = 160 – 20x + x

226 – Mass of oxygen = 160 – 19x

Mass of oxygen = 66 – 19x

The total number of moles of gas is 8 moles

Hence, Number of moles of oxygen + Number of moles of neon = Total number of moles of gasx + (8 - x) = 8⇒ 8 = 8Therefore, the value of x = 4

We can calculate the mass of oxygen as follows:

Number of moles of oxygen × Molar mass of oxygen = Mass of oxygen

4 × 32 = 128 g

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During the late 19th and early 20th centuries, immigrants from countries such as Italy, Ireland, Germany, and China became servants and factory workers in the United States.

During the late 19th and early 20th centuries, the United States experienced a significant wave of immigration. Many immigrants from various countries came to the United States in search of better economic opportunities. Among these immigrants, those from countries such as Italy, Ireland, Germany, and China played a significant role in the workforce as servants and factory workers.

Immigrants from Italy, known as Italian Americans, often found employment as domestic servants in households or as factory workers in industries such as garment manufacturing. They contributed to the growth of cities like New York and Chicago, where Italian American communities thrived.

Irish immigrants, known as Irish Americans, also became servants and factory workers. They faced discrimination and often worked in low-paying jobs, including domestic service and factory labor. The Irish played a crucial role in the construction of railroads and canals, contributing to the development of transportation infrastructure in the United States.

German immigrants, known as German Americans, arrived in large numbers and found work in various industries. Some worked as domestic servants, while others found employment in factories, particularly in the brewing and textile industries. German Americans made significant contributions to American culture, science, and industry.

Chinese immigrants, known as Chinese Americans, also became servants and factory workers. They faced discrimination and often worked in low-paying jobs, including domestic service and factory labor. Chinese immigrants played a vital role in the construction of railroads, particularly in the western part of the United States.

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Immigrants from nations like Italy, Ireland, Germany, and China worked as domestic servants and factory employees in the United States during the late 19th and early 20th centuries.

Thus, In the late 19th and early 20th centuries, there was a major immigration boom to the United States.

The United States received a large influx of immigrants looking for better economic possibilities. Among these immigrants, those from Italy, Ireland, Germany, and China were major contributors to the labour force as domestic workers and factory employees.

Italian immigrants, also referred to as Italian Americans, frequently worked as domestic helpers in private homes or as factory workers in sectors like clothing production.

Thus, Immigrants from nations like Italy, Ireland, Germany, and China worked as domestic servants and factory employees in the United States during the late 19th and early 20th centuries.

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Answer:

The main function of sensory transduction is the conversion of sensory signals to chemical signals in the nervous system. Sensory transduction occurs in the sensory receptors. In sensory transduction, the sensory neurons play an important role.

Explanation:

Answer:

b

Explanation:

Answer:

A.) 1:1

Explanation:

You can determine the mole ratio between substances by comparing their coefficients in the balanced equation. Both Cl₂ and Br₂ have coefficients of 1. Therefore, they have a 1 to 1 (1:1) relationship.

If you were comparing the mole ratio of Cl₂ and NaBr, they would have a 1:2 relationship because Cl₂ has a coefficient of 1 and NaBr has a coefficient of 2.

13.7 moles of oxygen are required to completely react with 27.4 mole of H2.

Balanced chemical equations are balanced not only at the molecular level but also in terms of molar amounts of reactants and products. A balanced chemical reaction gives equivalences in moles that allow stoichiometry calculations. It shows us the numerical relationships between each of the species involved in the chemical change. We can use these numerical relationships to write mole ratios, which allow us to convert between amounts of reactants or products .

The balanced chemical reaction is,

2H2 + O2 ---->  2 H2O

Hydrogen reacts with oxygen to produce water.

2 moles of  react with 1 mole of O2 .

So, 27.4 moles of H2 react with,

        = 27.4/2

        = 13.7 moles of O2 .

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Answer: A

Explanation: Based on the Law of conservation of mass the total mass of the reactants will equal to the total mass of the products. This happens as matter is not destroyed.

Answer:

C:the cold water will remain at the bottom and won't mix very much with the warm water at the top because warm and cold water don't mix

Answer:

the answer is is the warm water at the top will sink down and mix with the cold water at the bottom

Answer:A.the kinetic molecular theory relates the properties of a state of matter to the motion of its molecules

When refering to the kinetic molecular theory, it refers to the belief that all things in the Universe are made of smaller particles called molecules, which are made of smaller parts called atoms. When we look at a solid, the particles are packed closely together, which is why the solid holds a shape. The same goes for gas, the particles are spaced out from one another, which is why the don't take a shape. While a liquid takes the shape of the container it is in, because the particles are far, but not far enough to seperate a gas until being boiled. I added a picture to better show the relation.

I hope this helps & Good Luck <3!!!

Answer:form when magma and lava cool :/

Explanation:hope this helps, and I’m this because ingenious rocks are made/ formed from magma and lava.

The phrase which best describes igneous rocks is option A, .i.e., it forms when lava and magma cool.  

Igneous rocks are formed by the melting of  earth's crust  into magma, . The two types of this rocks are, Extrusive and intrusive igneous rocks . The slow cooling of magma beneath the surface results in intrusive igneous rock.

Magma in the crystal is in molten liquid state which heat by convection and flows out. This creates slight movement in plates and the hot mantle the cools down to form igneous crystals.

Extrusive igneous rock is created when lava above the surface cools quickly. The magma hardens more quickly after being brought to the surface via cracks or volcanic explosions. As a result, these rocks are crystalline, smooth, and fine-grained.

Thus regarding the formation of igneous rocks, option A is correct.

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Cerebrospinal fluid of the central nervous system and synovial fluid of joint capsules are both examples of extracellular fluid

Synovial fluid is a viscous solution found in cavities of synovial joints. The principal role of synovial fluid is to reduce friction between articular cartilages of synovial joints during movement.

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Answer:

Blank 1 - Microscope

Blank 2 - Cell Theory

Explanation:

Answer:

microscope. and cell theory

Explanation:

with the invention of the microscope. scientists were able to create cell theory

A 14-year-old adolescent girl, Alice, has been diagnosed with anorexia nervosa. In the assessment of Alice, the findings that are more commonly associated with anorexia nervosa are Dysmenorrhea, decreased body temperature, and Heat intolerance.

Dysmenorrhea: Anorexia nervosa can lead to hormonal imbalances and disruptions in the menstrual cycle, which can cause irregular or absent periods (amenorrhea) and sometimes dysmenorrhea (painful periods).

Decreased body temperature: Anorexia nervosa can lead to lower body weight and reduced body fat, which can result in a lower body temperature. This is a physiological response to conserve energy and maintain the body's functions.

Heat intolerance: Anorexia nervosa can affect the body's ability to regulate temperature properly, leading to increased sensitivity to heat or cold. Individuals with anorexia may feel more discomfort or intolerance in extreme temperatures.

Hence,  the findings that are more commonly associated with anorexia nervosa are explained above.

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If the arrow is pointed this way ->, there is only one H atom on the reactant side; however, if it is pointed this way <- , there are two H atoms. The correct option is A.

The majority of stars and the sun include it, and the giant Jupiter is primarily made of it. Water is where you'll find the most hydrogen on Earth. Less than 1 part per million cubic volume is all that is found of it as a gas in the air.

According to the Los Alamos, hydrogen makes up more than 90% of all atoms, which is equivalent to three quarters of the universe's mass. Hydrogen is named after the Greek terms hydro for "water" or genes for "forming."

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The complete question is -

Mg(OH)2 + NaCl ® MgCl₂ + NaOH

How many hydrogen atoms are on the reactant side?

A-1

B-2

C-4

D-8

Answer:

Explanation:

The carbon cycle describes the process in which carbon atoms continually travel from the atmosphere to the Earth and then back into the atmosphere. Carbon is released back into the atmosphere when organisms die, volcanoes erupt, fires blaze, fossil fuels are burned, and through a variety of other mechanisms.

Answer:

Copper is a metal made up of copper atoms closely packed together. As a result, the electrons can move freely through the metal. For this reason, they are known as free electrons. They are also known as conduction electrons because they help copper be a good conductor of heat and electricity.

Explanation:

Answer:

3

Explanation:

3 because it's the most scientific and specific, and it shows the independent and dependant variables

Answer:

I believe your answer is C.

Explanation:

First of all, if you pay attention to the details of the question it states that scientific hypothesis should be specific and demonstrate the relationship between the independent and dependant variable.

Answer A - Does demonstrate the relationship between the independent and dependant variable. but it's not very specific. Thus it is Not the answer.

Answer B - is not specific or demonstrates the relationship between the independent and dependant variable. Thus it is Not the right answer.

Answer C - Fits the criteria as it is specific, and demonstrates the relationship between the independent and dependant variable. Thus it is the Right answer

Answer D - is in the same category as B so again is Not the right answer.

Therefore your only option is C. Your welcome, and have a wonderful day

This means 17 g of ammonia gas is =  1 mole of ammonia gas molecule. Sence, there are 8.856 x 1023 8.856 x 10 23 molecules in 25.4g of ammonia...

Anwser: 0.1651251733326733

My Caculations 78% might be right

Ammonia is produced naturally from decomposition of organic matter, including plants, animals and animal wastes. Also, BACTERIA? Didn't know

Well now human being you know!

Well The Definiton of Ammonia is colourless, pungent gas composed of nitrogen and hydrogen. ... It is the simplest stable compound of these elements and serves as a starting material for the production of many commercially important nitrogen compounds.

D) Outside faces of the unit cell.

Atoms could be found inside an FCC cell at the center of the cube and on each of the four corners of the crystal lattice.A single cell owns only one half of each atom, which would be shared by the head atom and two neighboring unit cells.

Body-centered cell is abbreviated as "-bcc," and concentration is 8. Face-centered cell is abbreviated as "-fcc," and the concentration is 12.Cubic close packing is referred to as "ccp," and the concentration is 12.Similarly, the coordination number for hcp, which stands for close - packed packed cell, is 12.

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The correct order of the increasing polarity of the analyte functional group isEthers < Esters.

The given statement is "Polarities of analyte functional group increase in the order of hydrocarbon ethers < esters."  The order of polarities of functional groups is the order of their increasing polarity (i.e., less polar to more polar) based on their electron-donating or withdrawing ability from the rest of the molecule.Polarity of analyte: The analyte's polarity is directly proportional to the dipole moment of the functional group, which is associated with a difference in electronegativity between the atoms that make up the functional group.The electronegativity of an element is its ability to attract electrons towards itself. The greater the difference in electronegativity between two atoms, the more polar their bond, and hence the greater the polarity of the molecule.

To find the correct order of the increasing polarity of the analyte functional group, let's first compare the two groups: hydrocarbon ethers and esters. Here, esters have a carbonyl group while ethers have an oxygen atom with two alkyl or aryl groups. The carbonyl group has more electronegative oxygen, which pulls electrons away from the carbon atom, resulting in a polar molecule. On the other hand, ethers have a less polar oxygen atom with two alkyl or aryl groups, making them less polar than esters. Therefore, the correct order of the increasing polarity of the analyte functional group isEthers < Esters.

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Compare between a static discharge and a current flowing via a circuit, A voltage source provides a constant current to a circuit. In a static discharge, the transfer of charge happens very quickly and discontinuously.

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The tests that can determine the strength of the intermolecular forces of the compound are those that compare the melting point of the material, the state of the matter at room temperature, and the viscosity of each substance.

The melting point of a substance is influenced by the intermolecular forces. As a result, a substance's high melting point suggests that its intermolecular interactions are also important.

Similar to this, the state of matter is defined by its condition at room temperature.

The viscosity of the substances is also influenced by the intermolecular forces. The viscosity of a substance rises when intermolecular interactions between layers are very strong.

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The pressure after the addition of argon is 4.33 atm.

To solve this problem, we can use the ideal gas law:

\(PV = nRT\)

where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature.

First, let's find the number of moles of argon that are pumped into the container. We can use the ideal gas law to solve for n:

\(n = PV/RT\)

We are given that the initial volume and pressure of the argon are \(2.00 L and 6.77 atm\), respectively. We also know that the temperature is constant. The gas constant R is a constant value, so we can write:

\(n = (6.77 atm) x (2.00 L) / (R x T)\)

Next, let's find the total number of moles of gas in the container. We know that the container already holds 3.01 atm of neon, so we can use the ideal gas law to find the number of moles of neon:

\(n_Ne = PV / RT = (3.01 atm) x (4.66 L) / (R x T)\)

The total number of moles of gas in the container is then:

\(n_total = n_Ar + n_Ne\)

where n_Ar is the number of moles of argon that were pumped into the container.

The total pressure in the container is given by:

\(P_total = (n_total x R x T) / V_total\)

where V_total is the total volume of the container, which is the sum of the initial volume and the volume of the argon that was pumped in:

\(V_total = V_Ar + V_Ne = 2.00 L + 4.66 L = 6.66 L\)

Substituting in our values, we get:

\(P_total = [(n_Ar + n_Ne) x R x T] / V_total\)

We can now solve for the pressure after the addition of the argon by setting the total pressure equal to the pressure of the neon before the addition plus the pressure of the argon after the addition:

\(P_total = P_Ne_before + P_Ar_after\)

We know that the pressure of the neon before the addition is 3.01 atm. Substituting in our values and solving for P_Ar_after, we get:

\(P_Ar_after = P_total - P_Ne_before\)

\(P_Ar_after = [(n_Ar + n_Ne) x R x T] / V_total - P_Ne_before\)

Plugging in the values, we get:

\(P_Ar_after = [(6.77 atm x 2.00 L) / (R x T)] + [(3.01 atm x 4.66 L) / (R x T)] - 3.01 atm\)

Simplifying the expression, we get:

\(P_Ar_after = [(6.77 x 2.00) / 6.66 + (3.01 x 4.66) / 6.66] - 3.01\)

\(P_Ar_after = 4.33 atm\)

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There are 26 students in the class.

Let n millilitres be the solution in the beaker

Let x be the number of students in a class

He gives 3 millilitres of the solution to each student. He will have 5 millilitres

left over.

So, Solution distributed = 3x

Remaining solution = n-3x

So, n-3x = 5 ----1

In order to give each student 4 millilitres of the solution, he will need an additional 21 millilitres.

So, n-4x=-21 -----2

Substitute the value of n from 1 in 2

So, 5+3x-4x=-21

5-x=-21

26=x

Consequently, there are 26 students in the class.

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Answer:

Cellular Respiration

Explanation:

Plants convert glucose to energy through a thing called cellular respiration. This process is when glucose + oxygen in the precenses of sunlight = carbon dioxide, water, and ATP(energy for the cells)