Someone makes a loud noise, and it scares you. Use complete sentences to put the following vocabulary terms in order to describe how the body processes the sound and reacts: central nervous system, sensory organs, and sensory receptors.

Answer:

Neptune is bigger than the moon

Explanation:

The circumference of the moon is 6,783.5 miles

The circumference of Neptune is 96,129 miles

This means neptunes circumference is about 14 times the size of the moons

When it comes to fire suppression systems, there are several types available in the market, each with its own set of features and cost implications. The least expensive fire suppression system is usually a portable fire extinguisher.

Portable fire extinguishers are small and portable, making them an ideal choice for small fires that can be easily contained and extinguished. These fire extinguishers are usually filled with a dry chemical, water, or foam, and can be purchased for a relatively low cost.
However, when it comes to larger fires, such as those in commercial or industrial settings, portable fire extinguishers may not be sufficient. In these cases, a more robust fire suppression system is required. Some of the more expensive fire suppression systems include wet chemical systems, carbon dioxide systems, and clean agent systems. These systems can cost tens of thousands of dollars to install and maintain, making them a significant investment.
Overall, the least expensive fire suppression system is typically a portable fire extinguisher. However, it is important to consider the size and scale of your facility and the potential risks associated with a fire when selecting a fire suppression system. It is always best to consult with a fire safety expert to determine which fire suppression system is best suited for your needs and budget.

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The overall reaction for the oxidation of SO2 by O2 to give SO3 is:

SO2(g) + O2(g) ⟶ 2SO3(g)

The two given reactions are:

NO2(g) + SO2(g) ⟶ NO(g) + SO3(g)

2NO(g) + O2(g) ⟶ 2NO2(g)

Adding these reactions, we get:

NO2(g) + SO2(g) ⟶ NO(g) + SO3(g)

2NO(g) + O2(g) ⟶ 2NO2(g)

2NO2(g) + SO2(g) + O2(g) ⟶ 2NO(g) + 2SO3(g)

Therefore, the overall reaction for the oxidation of SO2 by O2 to give SO3 is:

SO2(g) + O2(g) ⟶ 2SO3(g)

where the catalyst NO2 is not explicitly shown. All the reactants and products are in the gas phase.

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Answer:

Cold

Explanation:

Cold is not matter.

Answer:

3

Explanation:

cold is not matter it is the absence of heat within matter

a. Decreasing alpha from 0.05 to 0.01 makes the significance level more stringent. You will be less likely to reject the null hypothesis, even when it's false. This increases the probability of a Type II error, thus potentially reducing the power of the test. The power curve will shift to the left.

b. If the sample size is reduced from 90 to 50, the effect on the power curve is that it will also shift towards the left.

The power curve is a graph that shows the probability of rejecting the null hypothesis as a function of the true value of the mean.

In the given scenarios of this study, Reducing the significance level and reducing the sample size will shift the power curve to the left, indicating a decrease in the statistical power of the test.

The power of a statistical test is the probability that it correctly rejects the null hypothesis when the alternative hypothesis is true.

a) Reducing alpha from 0.05 to 0.01 means that we are more stringent in our assessment of whether the new treatment is effective.

This will result in a decrease in the power of the test, meaning that it is less likely that we will be able to detect a difference between the new treatment and the previous treatment.

b) If the sample size is reduced from 90 to 50, the effect on the power curve is that it will also shift towards the left.

This is because a smaller sample size decreases the power of the test. A larger sample size provides more information and thus makes it more likely to correctly reject the null hypothesis when the alternative hypothesis is true.

Therefore, by reducing the sample size, you are decreasing the likelihood of detecting a true effect if one exists, thus reducing the power of the test.

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The pairs of compounds that are isomers are: CH3CH2CH2CH3 and CH3CH(CH3)CH2CH3, CH3CH2CH2CH2CH(CH2CH2CH3)CH2CH3 and CH3CH2CH2CH2CH2CH3, CH3CH2CH(CH3)CH2CH2CH3 and CH3CH(CH3)CH2CH2CH(CH3)CH3.

Isomers are the molecules which have the same molecular formula but differ in the arrangement of their atoms. The following pairs of compounds are isomers: CH3CH2CH2CH3 and CH3CH(CH3)CH2CH3.CH3CH2CH2CH2CH(CH2CH2CH3)CH2CH3 and CH3CH2CH2CH2CH2CH3.CH3CH2CH(CH3)CH2CH2CH3 and CH3CH(CH3)CH2CH2CH(CH3)CH3.In the first pair of compounds, the molecule on the left is n-butane, while the molecule on the right is 2-methylpropane or isobutane. They are isomers because both have the same molecular formula C4H10, but different structures.2. In the second pair of compounds, the molecule on the left is octane, while the molecule on the right is 2-methylheptane.

These compounds have the same molecular formula, C8H18, but different structures.3. In the third pair of compounds, the molecule on the left is 2-methylpentane, while the molecule on the right is 3-methylpentane.

They are isomers because they have the same molecular formula C6H14, but different structures.4.

In the fourth pair of compounds, the molecule on the left is 2,3-dimethylbutane, while the molecule on the right is 2,4-dimethylpentane.

They are isomers because they have the same molecular formula C8H18, but different structures.5. In the fifth pair of compounds, the molecule on the left is isopropyl group, while the molecule on the right is n-propyl group.

They are isomers because they have the same molecular formula C3H7, but different structures.

In conclusion, the pairs of compounds that are isomers are: CH3CH2CH2CH3 and CH3CH(CH3)CH2CH3, CH3CH2CH2CH2CH(CH2CH2CH3)CH2CH3 and CH3CH2CH2CH2CH2CH3, CH3CH2CH(CH3)CH2CH2CH3 and CH3CH(CH3)CH2CH2CH(CH3)CH3.

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Answer:

ok here is you answer

Explanation:

Blood is a liquid because it is composed of cells and plasma that are suspended in a liquid state and can easily flow through the circulatory system, delivering oxygen and nutrients to cells and removing waste products.

Answer:

1) atomos. 2) uncuttable.

Explanation:

none

Answer:

C

Explanation:

It's the amount of products you get compared to all the reactants you use. It's kind of like economy in that it's profit, and the higher the atom economy the more products/profit you have.

Answer:

C.) The measure of how much of the reactants end up as products in a chemical reaction.

Explanation:

I got it right on founders edtell.

Answer:

I think it's the A one. Hope it's correct

Answer:

A option is correct

Explanation:

The labs in this chemistry class use a green approach, which means they prioritize environmentally friendly practices.

In this chemistry class, the term "green approach" refers to a set of practices and principles that prioritize environmental sustainability and minimize negative impacts on the ecosystem. These labs aim to reduce their carbon footprint, conserve resources, and promote responsible waste management. By adopting a green approach, the class strives to align its scientific pursuits with the goal of environmental stewardship.

One of the key aspects of the green approach in these chemistry labs is the conscious selection and utilization of environmentally friendly materials and chemicals. This includes opting for safer alternatives to hazardous substances whenever possible, such as using non-toxic solvents or reagents. Additionally, the labs may encourage the use of renewable resources and promote the recycling or repurposing of materials to reduce waste generation.

Another important component of the green approach is energy conservation. The labs may employ energy-efficient equipment and lighting systems, as well as implement strategies to minimize energy consumption during experiments. For instance, they may encourage students to turn off equipment when not in use and adopt efficient heating or cooling methods.

Furthermore, the labs may focus on water conservation by promoting responsible water usage and minimizing water wastage during experiments. This could involve using water-efficient techniques, such as microscale experiments that require smaller amounts of water, or implementing recycling systems to capture and reuse water when appropriate.

By embracing a green approach, these chemistry labs aim to instill environmental awareness and responsibility in students while demonstrating that scientific progress can coexist with sustainable practices. Through this approach, students gain valuable knowledge and skills that they can apply in their future scientific endeavors, contributing to a more sustainable and eco-friendly society.

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Mole ratio is the proportional amount of moles of two or more compounds in a chemical reaction, and this concept is widely used in Stoichiometry, since in this type of matter we have to be comparing initial amount of reactant and final amount of product, usually, we have to convert grams of mass into moles of the compound, and when we have to compare the number of moles of different compounds, we use mole ratio, as we can see in the example below:

A + 2 B -> X

The mole ratio between A and B is 1:2, therefore if we have 3 moles of A in the reaction, we would have 6 moles of B, and with that concept in mind, we can find the mass asked in any question.

In this process, we can have the theoretical yield of a reaction, which is how much of the product is produced from the initial amount of reactant

We have two oversimplified reactions that take in account mole ratio:

1. Formation of Ammonia:

N2 + 3 H2 -> 2 NH3, here we have the following mole ratios:

1 N2 = 3 H2

1 N2 = 2 NH3

3 H2 = 2 NH3

2. Burning of Octane, which is fuel:

2 C8H18 + 25 O2 -> 16 CO2 + 18 H2O

The mole ratios are:

2 C8H18 = 25 O2

2 C8H18 = 16 CO2

2 C8H18 = 18 H2O

25 O2 = 16 CO2

25 O2 = 18 H2O

16 CO2 = 18 H2O

Limiting and excess reactants are, as the name already implies, the reactant the will limit the amount of the other reactant undergoing the reaction, and this is found through mole ratio. The excess reactant is the reactant that will not totally react, but it will have some of it left without undergoing the reaction

Science is a systematic study of the universe. Option C

Science is a systematic study of the universe. We know that science involves the observance of the occurrences of the universe and the formulation of hypothesis that explain them. These hypothesis can now be con firmed or disproved by the use of experiments.

Thus, the branch of knowledge and the systematic study of the universe and all it encompasses, one that is based upon facts, observation, and experimentation is science Option C.

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Answer:

For (a) the independent variable is what stays constant throughout the whole experiment and the dependent variable is changes in the experiment.

Explanation:

I'm not sure about the other parts, but I hope my explanation for a can get you started :)

The theoretical yield of the aluminum acetate is 239 g.

Number of moles of calcium acetate = 330 g/158g/mol

= 2.1 moles

Number of moles of aluminum nitrate: 250 g/213 g/mol

= 1.17 moles

Given that

3 moles of calcium acetate reacts with 2 mole of aluminum acetate

2.1 moles of calcium acetate reacts with 2.1 * 2/3

= 1.4 moles

Thus aluminum nitrate is the limiting reactant.

If 2 moles of aluminum nitrate produces 2 moles of aluminum acetate

Mass of aluminum acetate produced is; 1.17 moles * 204 g/mol

= 239 g

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Answer:

I think D

Explanation:

it has both H and G in the planes.

According to Lewis dot theory, you would find one lone pair and two bonding pairs of electrons surrounding the central atom of the nitrite ion.

The nitrite ion (NO2-) is composed of a nitrogen atom bonded to two oxygen atoms. According to Lewis dot theory, the central atom (nitrogen) is surrounded by a total of three electron pairs. Two of these electron pairs are involved in covalent bonds with the oxygen atoms, while the third electron pair is a lone pair that resides on the nitrogen atom.

The two bonding pairs of electrons between the nitrogen and oxygen atoms are represented by a single line in the Lewis structure, indicating a single covalent bond. The lone pair of electrons on the nitrogen atom is represented by two dots, or a pair of dots, indicating that these electrons are not involved in bonding.

Overall, the Lewis dot structure for the nitrite ion shows one lone pair and two bonding pairs of electrons surrounding the central atom (nitrogen). This arrangement of electron pairs is important for understanding the shape and polarity of the molecule, as well as its reactivity and chemical properties.

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The intermolecular forces between the petroleum molecules are stronger than the forces between water molecules and petroleum molecules. Therefore, petroleum is insoluble in water.

Molecular solids are composed of molecules held together by intermolecular forces, such as van der Waals forces, hydrogen bonding, and dipole-dipole interactions. The solubility of a molecular solid in water depends on the strength and polarity of these intermolecular forces relative to the interactions between water molecules.

For example, sugar and ethyl alcohol are polar compounds with hydrogen bonding and dipole-dipole interactions that can form favorable interactions with water molecules. Water molecules can surround and solvate the sugar or alcohol molecules, breaking their intermolecular bonds and allowing them to dissolve.

In contrast, petroleum is a nonpolar compound with weak van der Waals forces between its molecules. Water molecules, which are polar, cannot solvate the nonpolar petroleum molecules.

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Yes they are

According to definition of an element

An element consists of several atoms of one type

So they are identical

Answer:

Although it may seem weird, the answer is actually yes.  An element is a pure substance consisting only of atoms that all have the same numbers of protons in their nuclei.  This means that all of the atoms are all the same because they contain the same amount of protons.

In conclusion, the atoms that make up an element are identical.

Answer:

6

Explanation:

f=ma (from Newton's second law of motion)

The answer to the question is option e. The product of the given nuclear reaction is 9639Y.

In the given nuclear reaction, one uranium-236 atom undergoes fission and splits into four neutrons, one iodine-136 atom, and one unknown product. We need to identify the element formed as the unknown product.

To do this, we can use the principle of conservation of mass and charge. The mass number and atomic number on both sides of the reaction must be equal.

On the left-hand side of the reaction, we have a uranium-236 atom with a mass number of 236 and an atomic number of 92. On the right-hand side, we have four neutrons which have no atomic number and a mass number of 4, an iodine-136 atom with an atomic number of 53 and a mass number of 136, and the unknown product with an atomic number and mass number we need to determine.

The sum of the mass numbers of the products on the right-hand side is 4 + 136 + (atomic mass of the unknown product). The sum of the atomic numbers on the right-hand side is 0 + 53 + (atomic number of the unknown product).

Equating the mass numbers and atomic numbers on both sides, we get:

236 = 4 + 136 + (atomic mass of the unknown product)
92 = 0 + 53 + (atomic number of the unknown product)

Solving these equations, we get:

Atomic mass of the unknown product = 96
Atomic number of the unknown product = 39

So the unknown product is an element with atomic number 39, which is yttrium (Y). The atomic mass of this Y is 96, which means it has 57 neutrons.

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Answer: option (b) phosphorus

Explanation: Valence electrons are the total number of electrons that an snippet can partake to form bonds.

Phosphorus is the element that has the same number of valence electrons as nitrogen with both of them having 5 valence electrons.

Carbon has a aggregate of 4 valence electrons.

Neon has a aggregate of 8 valence electrons.

Oxygen has a aggregate of 6 valence electrons

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The number of moles of water that will be formed when 4mol of hydrogen gas are allowed to react with 4mol of oxygen gas is 2 moles.

The balanced chemical equation for the reaction between hydrogen gas and oxygen gas to form water is:

2H₂ + O₂ -> 2H₂O

This equation tells us that 2 moles of hydrogen gas react with 1 mole of oxygen gas to form 2 moles of water.

If 4 moles of hydrogen gas are allowed to react with 4 moles of oxygen gas, we can use the balanced equation to determine how much water will be formed. Since 2 moles of hydrogen gas are required to react with 1 mole of oxygen gas to form 2 moles of water, we have twice as much hydrogen gas as we need. This means that all of the oxygen gas will be used up and 2 moles of water will be formed.

In summary, when 4 moles of hydrogen gas are allowed to react with 4 moles of oxygen gas, 2 moles of water will be formed according to the balanced chemical equation. It is important to note that the amount of water formed depends on the amount of hydrogen and oxygen gases available for the reaction.

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The mass of the tin sample has been 95.682 g.

The specific heat has been given as the amount of heat required to raise the temperature of 1 gram of substance by 1 degree Celsius.

The heat required has been expressed as:

\(\rm Heat=mass\;\times\;specific\;heat\;\times\;\Delta T\)

The heat required by tin sample has been given, 543 J

The specific heat of tin has been, \(c_p=0.227\;\rm J/g^\circ C\)

The change in temperature (\(\Delta T\)) has been given as:

\(\Delta T=\text{Final\;temeprature-Initial temperature}\\\Delta T=\rm -10^\circ C-15^\circ C\\\Delta \textit T=-25^\circ C\)

Substituting the values for the mass of tin

\(\rm 543\;J=Mass\;\times\;0.227\;J/g^\circ C\;\times\;-25^\circ C\\543\;J=Mass\;\times\;5.675\;J/g\\Mass=95.682\;g\)

The mass of the tin sample has been 95.682 g.

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Answer: 47 p+, 107 n, 48 e–

Explanation:

Answer:

Explanation:

Potassium : Paramagnetic : Praseodymium

Potassium is a silvery-white metal that is soft enough to be cut with a knife with little force.

Monosaccharides are the group of carbohydrates that are the simplest form of sugar. Option A galactose is a monosaccharide sugar.

Monosaccharides are simple sugars and are the fundamental unit of carbohydrates.

The general structural formula for the monosaccharides is (CH₂O)ₙ

The structure of the monosaccharide sugar contains carbon, oxygen, and hydrogen molecules in their structure.

Galactose that is a simple sugar with six carbon atom rings Hence,  option A is a correct option

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To deploy configuration profiles for computers from Jamf Pro, the Apple Push Notification service (APNs) must be available.

APNs is a cloud-based service provided by Apple that enables the secure transfer of data between Apple devices and servers. It is essential for communication between Jamf Pro and Apple devices during the deployment of configuration profiles.

APNs is used to initiate the connection between the devices and Jamf Pro, allowing for the transfer of the configuration profiles. Without APNs, it would be impossible to deploy configuration profiles to Apple devices using Jamf Pro.

Therefore, it is critical to ensure that APNs is available and functioning correctly before attempting to deploy configuration profiles using Jamf Pro.

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