Keeping track of computers, software, and other peripherals within a local system can be somewhat overwhelming. use belarc advisor, the sandra utility or the system information tool (msinfo32), described in chapter 10 , to prepare a configuration or inventory report for a pc to which you have access.

Answer:

5.68%

Explanation:

Percent Composition of Boron = Atomic Mass of Boron / Molar mass of Sr3(BO3)2  * 100%

Atomic mass of B = 10.811 g/mol

Molar mass of Sr3(BO3)2 = 380.4784 g/mol

Percent composition = 2 (10.811) / 380.4784  * 100

Percent composition = 21.622 / 380.4784  * 100

Percent composition = 5.68%

Answer: Wheat flour, edible oil, egg white, lettuce preservative, meat or poultry marinade, vegetable antibacterial wash.

Explanation:

hydrogen peroxide is used as a bleaching agent in some food

I hope this helped

If the hard drugs are legalized, there would be an astronomical increase in crime rate that forensic scientist may be unable to handle.

There are certain drugs that are known to have the ability to affect the mood and the perceptions of a person. If an individual takes any of the drugs in this category, the individual may become unable to make effective use of his or her mind and this would impact on the ability of the person to make sound decisions.

The intake of so many drugs in this category have been responsible for a lot of crimes as can be confirmed by the foresnsic specialists. This is why in many places, the use of any of the drugs in this category is being strongly controlled.

As such, the legalization of the use of these drugs would increase the rate of crime and put a lot of pressure on the field of  forensic science.

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Answer:

125,066 litres

Explanation:

Answer:

A. 7

(assuming the water is neutral)

Compound 1 remains mainly confined to the central phase during the experiments because it is more soluble in the central phase or has a higher affinity for the central phase compared to the other phases involved.

When a substance is dissolved or distributed between different phases (such as liquid-liquid or liquid-solid phases), its behavior depends on its solubility and the relative affinities between the substance and the different phases.

If Compound 1 has a higher solubility or stronger affinity for the central phase, it will preferentially dissolve or remain in the central phase rather than distributing evenly between multiple phases. This can be due to various factors such as the nature of the compound, its polarity, molecular interactions, and the composition of the phases.

The central phase may provide a more favorable environment for Compound 1, allowing it to interact more strongly with the molecules or components present in the central phase. As a result, Compound 1 tends to concentrate in the central phase, remaining mainly confined to it during the experiments.

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During this procedure, the blue (CuSO 4) solution turns into a colorless ZnSO 4 solutions. balanced response. Copper sulfate is produced when Zn (s) and CuSO 4 (aq) combine. Sulfated zinc.

The number of variables on either side of a formula is equal in a balanced action. A chemical reaction's atoms, ions, all molecules are represented by a number called the stoichiometric ratio, that balances exact amounts of each element on the product and reactant sides of equation.

One such equation describes an element's total charge and number of atoms in both the products and reactants of a reaction. In other words, the mass and charge of both sides of a reaction are equal.

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Answer:

the answer is copper :)

Explanation:

Answer:

Yellow

Explanation:

Thymol blue has a brownish-green or reddish-brown color and is a good pH indicator. It changes from red to yellow at a pH 1.2–2.8 ( acidic) and then from yellow to blue at a pH of 8.0–9.6( alkaline).

Nitric acid is a strong acid which means the pH indicator will change to yellow.

Answer:

The temperatures get hotter.

Explanation:  

Places closer/on the equator are facing the sun.  Texas and Africa are located on the equator.

Of the following compounds, KHS when dissolved in water will produce an acidic solution.

When it dissolves in water, KHS forms an acidic solution. It dissociates into \(K^{+}\)(aq) and \(HS^{-}\)aq)  ions:

KHS(s) → \(K^{+}\)(aq) + \(HS^{-}\)(aq) + \(H_{2}O\)(l)

The \(HS^{-}\)aq)  ion is the conjugate base of \(H_{2}S\)(aq). Since  \(H_{2}S\) is a weak acid, the \(HS^{-}\)aq)  ion can accept hydrogen ions from water molecules to form  \(H_{2}S\) and ions:

\(HS^{-}\)(aq) + \(H_{2}O\)(l) ⇌ \(H_{2}S\)aq) + OH-(aq).

The  \(K^{+}\)(aq) ion does not contribute to the acidity of the solution, so it can be ignored. The formation of \(H_{2}S\), on the other hand, contributes to the acidity of the solution. KHS is acidic when it dissolves in water.

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Answer:

Spinal Cord

Explanation:

The spinal cord is part of the central nervous system.

The lungs are part of the respiratory system.

The heart is part of the cardiovascular system.

The pancreas is part of the digestive system.

Answer:

its legislative.

No. It will not be possible to precipitate all lead ions from a solution by precipitating them with chloride.

When a chloride salt is used to precipitate lead ions from a solution, an insoluble lead chloride salt would be formed

Pb2+ + Cl- ---> PbCl2

However, the formation of PbCl2 in an aqueous medium leads to the establishment of equilibrium between dissolved ions and undissolved solids.

PbCl2 (aq) <------> Pb2+ + Cl-

Thus, it will not be possible to completely remove all the lead ions from the solution.

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Answer:

the answer for another measurement of mass is grams

Explanation:

from producer to primary consumer is the correct answer of this question

Answer:

The answer is B.

Explanation:

"From producer to primary consumer"

Have a nice day, and keep dreaming <3

Answer:

chemical energy is your correct answer mark me brainly

Answer:

Explanation:

Decomposition reaction, also known as analysis or dissociation, is a type of chemical reaction in which a compound breaks down into simpler substances or elements. In this reaction, a single reactant undergoes a chemical change and produces two or more products.

The decomposition reaction can be represented by the general equation:

AB → A + B

Where AB is the reactant, and A and B are the products. The reactant AB is usually a compound, and it breaks down into its constituent elements or simpler compounds.

There are different types of decomposition reactions, including:

Thermal decomposition: It occurs when a compound is heated, resulting in its decomposition into simpler substances. For example, the thermal decomposition of calcium carbonate (CaCO3) produces calcium oxide (CaO) and carbon dioxide (CO2):

CaCO3 → CaO + CO2

Electrolytic decomposition: It takes place when an electric current is passed through an electrolyte, causing it to break down into its component ions. For instance, the electrolysis of water (H2O) leads to the decomposition into hydrogen gas (H2) and oxygen gas (O2):

2H2O → 2H2 + O2

Photochemical decomposition: It occurs when a compound undergoes decomposition due to exposure to light energy. Chlorine gas (Cl2) can decompose into chlorine atoms (Cl) under the influence of light:

Cl2 → 2Cl

These are just a few examples of decomposition reactions. They are important in various chemical processes and are used in industries, laboratory experiments, and natural phenomena. By understanding and controlling decomposition reactions, scientists can gain insights into the behavior of different compounds and develop practical applications in fields such as chemistry, materials science, and environmental science.

Answer:

Explanation:

reaction in which a compound breaks down into simpler substances or elements

Beer-law Lambert's states that a dye's absorbance is inversely proportionate to its concentration in cases like crystal violet.

The Beer-Lambert Law (also known as the Beer-Lambert-Bouguer Law) states that the absorbance of a dye such as crystal violet is directly proportional to its concentration. This means that as the concentration of the dye increases, the amount of light that is absorbed by the dye also increases. This law is important for measuring the concentration of a solution by measuring its absorbance of light. As the absorbance is directly proportional to the concentration, knowing the absorbance allows for the concentration to be calculated. Beer Lambert law, also known as the Beer-Lambert law of absorption, states that there is a linear relationship between the concentration of an absorbing species and the absorptivity of the material. In other words, the greater the concentration of a substance, the greater its ability to absorb light. This law is often used to measure and analyze the concentration of a particular substance in a given sample, such as the concentration of a dye in a solution.

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The artist adds pigment powder when melting wax with the encaustic method.option c.

Encaustic painting involves the use of heated wax as a medium. To create colors and add pigmentation to the wax, artists typically incorporate pigment powder. This allows them to achieve a wide range of vibrant hues and create various effects on their artwork.

By adding pigment powder to the melted wax, artists can control the intensity and shade of the colors they desire, enhancing the visual appeal and artistic expression of their encaustic paintings.

In encaustic painting, the addition of pigment powder to the melted wax provides the artist with a versatile and flexible medium for color manipulation. The powder is mixed into the molten wax until it is thoroughly blended, ensuring even distribution of the pigments.

This process allows artists to achieve different levels of transparency, opacity, and saturation in their artwork. The use of pigment powder in encaustic painting enables artists to create intricate details, textured surfaces, and expressive brushwork, adding depth and complexity to their compositions.

Overall, pigment powder is an essential component in the encaustic method, providing artists with a means to bring their artistic visions to life through a rich and visually captivating color palette.option c.

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Two energy sources that utilize chemical reactions in the process of generating electricity are fuel cells and batteries.

Batteries: Batteries are electrochemical cells that convert chemical energy into electrical energy. They are made up of two electrodes, a cathode and an anode, and an electrolyte, which is a substance that allows ions to flow between the electrodes.

When a battery is connected to a load, the chemical reaction between the electrodes and the electrolyte produces an electric current.

Fuel cells: Fuel cells are also electrochemical cells, but they use a continuous supply of fuel and oxygen to produce electricity. The most common type of fuel cell is the proton exchange membrane fuel cell (PEMFC), which uses hydrogen and oxygen as fuel.

When hydrogen and oxygen are combined at the anode of a PEMFC, they produce electrons and protons. The electrons flow through an external circuit to create an electric current, while the protons flow through the electrolyte to the cathode. At the cathode, the protons combine with oxygen to form water.

Both batteries and fuel cells are important sources of electricity, and they have a wide range of applications. Batteries are used in a variety of devices, including cell phones, laptops, and cars. Fuel cells are used in vehicles, power plants, and other applications where a continuous source of electricity is needed.

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No, stearic acid molecules do not exist as rectangular prisms.

Stearic acid, also known as octadecanoic acid, is a saturated fatty acid that exists in the form of a chain of 18 carbon atoms with a carboxyl group (-COOH) at one end. The molecule has a linear structure and is not shaped like a rectangular prism.

In fact, no molecules exist as rectangular prisms. Molecules are made up of atoms bonded together, and the shape of a molecule is determined by the arrangement of these atoms and the types of bonds between them. Most molecules have complex, three-dimensional shapes that are not easily described as simple geometric shapes like rectangular prisms.

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Answer:

1.1 for 3d, 0.76 for 16d.

Explanation:

You divide the mass of one nail by the nail size.... I think

Answer:

12 - x = 20 - 5x

Add 5x on both sides,

12 - x + 5x = 20 - 5x

12 + 4x = 20

Subtract 12 on both sides,

12 - 12 + 4x = 20 - 12

4x = 8

Divide 4 on both sides,

4x / 4 = 8 / 4

x = 2

Hence proved.

Answer:

D

Explanation:

all ya got to do is divide the moles from the solution... so 3.0 divided by 0.25. put it in a calculator

hope this helps

The molarity of a solution made from dissolving 3.0 moles of Saline (NaCl) in 0.25 L of solution is 12M.

Molarity of a given solution is known as the total number of moles of solute per litre of the solution.  A solution that is 1.00 molar (written 1.00 M) contains 1.00 mole of solute for every liter of solution.

Molarity = (No. of moles of solute ÷ Volume of solution in liters)

The unit of molarity is mol L⁻¹.

Molarity is temperature dependent because as temperature changes, volume of the solution also changes.

Given,

3.0 moles of Saline (NaCl)

Volume of solution = 0.25L

Molarity = (No. of moles of solute ÷ Volume of solution in liters)

Molarity = 3 ÷ 0.25 = 12 M

Therefore, The molarity of a solution made from dissolving 3.0 moles of Saline (NaCl) in 0.25 L of solution is 12M.

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Answer: Humans have increased the global temperature due to fossil fuel burning and are negatively contributing to the increase of CO2 emissions and greenhouse gases.

Explanation:

#1 Over the past century humans have negatively impacted the environment by increasing the global temperature due to fossil fuel emissions and a steady increase in the human population which has led to more resources being extracted and used.

#2 Human activities have brought a sudden increase in the global temperature recently due to the increase in greenhouse gas emissions from factories, automobiles, and homes. While we are beginning to use renewable resources, a large portion of our energy consumption still comes from the production and burning of fossil fuels.

#3 Some ways we can start to put a stop to global warming are by using renewable energy resources and decreasing the use of fossil fuel emissions. We can also decrease our carbon footprint by using electric powered vehicles and devices instead of petroleum burning automobiles and home appliances, and by riding bikes and walking over short distances.

Note: Please reword this a bit so you don't get in trouble for plagiarism.

Answer:

The possible valances can be determined by electron configuration and electron negativity

Good Luck even though this was asked 2 weeks ago

Explanation:

All atoms strive for stability. The optima electron configuration is the electron configuration of the VIII A family or inert gases.

Look at the electron configuration of the nonmetal and how many more electrons the nonmetal needs to achieve the stable electron configuration of the inert gases. Non metals tend to be negative in nature and gain electrons. ( They are oxidizing agents)

For example Florine atomic number 9 needs one more electron to reach a valance number of 8 electrons to equal Neon atomic number 10. Hence Flowrine has a valance of -1

Oxygen atomic number 8 needs two more electrons to reach a valance number of 8 electrons to equal Neon atomic number 10. Hence Oxygen has a valance charge of -2.

Non metals with a low electron negativity will lose electrons when reacting with another non metal that has a higher electron negativity. When the non metal forms an ion it is necessary to look at the electron structure to determine how many electrons the element can lose to gain stability.

For example Chlorine which is normally -1 like Florine when it combines with oxygen can be +1, +3, + 5 or +7. It can lose its one unpaired electron, or combinations of the unpaired electron and sets of the three pairs of electrons.

The receptor in blinking is receptors present in eyes and the effectors are the muscles in the eyes that cause the eye to contract and thereby encourages blinking of eye.

Receptors are the organs responsible for receiving external stimuli and transmitting them to the Central Nervous System. Effectors are the organs that carry out the central nervous system's instructions in response to external stimuli.

All receptors are essentially supplied by sensory nerves that can carry the stimulus to the CNS. Effectors are primarily supplied by motor nerves, which are capable of carrying instructions from the CNS.

Skin, eye, ear, nose, and tongue are all examples of receptors. Effectors are either muscles or glands.

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