What is the name of a reaction between a base and an acid?
A. Decomposition
B. Neutralization
C. Combustion
D. Replacement

Someone kills most of the bacteria and other decomposers in a lake cycling of matter in the ecosystem then they break everything down

Decomposers are organism that breakdown dead or decaying organism they carried out decomposition and process possible by only certain kingdom such as fungi

Primary role of decomposers in ecosystem are the cycle matter by returning carbon and other matter to the ecosystem because they use oxygen in their breakdown process and at the end of the breakdown they return nutrient like carbon dioxide and nitrogen back to the ecosystem and they break everything down and when they breakdown the matter they are adding nutrient back into the earth and someone kill the bacteria and other decomposers in a lake then the cycling of matter would not go further and that's why total ecosystem get blown

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10 kg.cm/s² is equivalent to 0.1 N when converted into newton.

The unit of force in the International System of Units (SI) is the newton (N). One Newton is defined as the amount of force required to accelerate a mass of one kilogram at a rate of one meter per second squared (1 N = 1 kg⋅m/s² ).

10 kg⋅cm/s²  can be converted to newtons using the following formula:

1 N = 1 kg⋅m/s²

First, we need to convert cm to meters, as the unit of force is in newtons, which is based on meters.

1 cm = 0.01 m

Therefore, 10 kg⋅cm/s² can be converted to:

10 kg × 0.01 m/s² = 0.1 kg⋅m/s²

Now, using the formula:

1 N = 1 kg⋅m/s²

We can convert 0.1 kg⋅m/s² to newtons:

0.1 kg⋅m/s² = 0.1 N

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Answer:

y = 2.77 cm

Answer: The third dimension is 2.77 cm

The organic product formed when 1−hexyne is treated with H₂O, H₂SO₄, and HgSO₄ will be 2-hexanone (structure attached).

This reaction is an example of an oxymercuration reaction of the organic product 1−hexyne.

Oxymercuration is shown in three steps to the right. The nucleophilic double bond attacks the mercury ion, releasing an acetoxy group. The mercury ion's electron pair attacks carbon on the double bond, generating a positive-charged mercuronium ion. Mercury's dxz and 6s orbitals give electrons to the double bond's lowest unoccupied molecular orbitals.

In the second stage, the nucleophilic H₂O attacks the highly modified carbon, freeing its mercury-bonding electrons. Electrons neutralize mercury ions by collapsing. Water molecules have positive-charged oxygen.

In the third stage, the negatively charged acetoxy ion released in the first step attacks the hydrogen of the water group, generating the waste product HOAc. The two electrons in the oxygen-hydrogen link collapse into oxygen, neutralizing its charge and forming alcohol.

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Chlorine may be added to water in a continuous, c.) Low dose method to initially disinfect a pipeline.

Chlorine can be added in a continuous low dose to maintain disinfection in the pipeline. This method is often used to prevent the growth of bacteria and other microorganisms in the water. Alternatively, a slug method may be used for an initial shock treatment, where a higher concentration of chlorine is added to the pipeline. Tablet or air injection methods may also be used for disinfection, but they are less commonly employed than the continuous or slug methods. Regardless of the method used, it is important to ensure that the chlorine is properly mixed and that the water is adequately monitored to ensure safe levels of chlorine and other content loaded in the water.

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Answer:

See explanation

Explanation:

The formation of isomers is common to octahedral complexes. Isomers are different compounds with the same molecular formula but different structural formulas. Isomers have different atom to atom connections. Werner's complexes can display; polymerization, ionization, linkage, geometric and optical isomerism among others.

Isomers of coordination compounds are not easily recognizable and not easily separable in the laboratory.

The geometric, linkage and ionization isomers of the complex given in the question are shown below.

c i think

Explanation:

if it's not look it up

Answer:

The rib and loin, because of their palatability and diversity in how they can be used--especially on the market.

Explanation:

The pillar of sustainability broken by recycling electronics in India is environmental sustainability. Implementing a law that restricts electronics recycling to the US would not necessarily be the most effective solution, as it overlooks the complex global dynamics of electronic waste management.

Recycling electronics in India often involves improper disposal methods, such as burning or dismantling without proper safety measures. This leads to environmental pollution, including the release of hazardous substances into the air, soil, and water, thus violating the principle of environmental sustainability.

However, simply mandating that electronics can only be recycled in the US may not be the most optimal solution. Electronic waste is a global issue, and restricting recycling to a single country disregards the fact that electronic products are manufactured and consumed worldwide. A more comprehensive approach to addressing electronic waste would involve international cooperation, strict regulations, and monitoring of recycling practices to ensure they meet environmental standards.

Efforts should focus on improving recycling practices globally, including promoting responsible electronic waste management, developing sustainable recycling infrastructure in multiple countries, and encouraging the adoption of safe and environmentally friendly recycling practices. This approach would foster global sustainability and address the challenges associated with electronic waste disposal more effectively than a geographically limited restriction.

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Answer:

B. A Physicist

Explanation:

Answer:

In order of the colors of the pH test papers from most acidic solutions to most alkaline solutions, the colors of the pH test papers would be

               Red > Orange/Pink > Purple > Blue

(Red) Most acidic                                (Blue)Most alkaline

Explanation:

We can use the different colors of pH test papers to determine the acidity or alkalinity of a solution.

Definitions

A pH test paper is a strip of indicator paper which changes colour when placed in acidic or alkaline solutions.

A solution is said to be acidic if it turns the colour of the pH test paper RED

A solution is said to be alkaline/basic if it turns the colour of the pH test paper BLUE

Color changes

If the pH test paper turns red, then the solution is a very strongly acidic solution with pH less than 3 ( ie pH between 1-3)

If the pH test paper turns orange or pink, then the solution is a weak acidic solution with pH greater than 3 ut less than 7

If the pH test paper turns purple, then the solution is a weak alkaline solution with pH greater between 8-11

If the pH test paper turns blue, then the solution is a very strong alkaline solution with pH between 11 - 14

Summary

Therefore, in order of color changes from the most acidic solutions to most alkaline solutions, the colors of the pH test papers would be

Red > Orange/Pink > Purple > Blue

Most acidic                                Most alkaline

Answer:

d<c<a<b

Explanation:

Answer:The ocean takes up carbon dioxide through photosynthesis

Explanation: by plant-like organisms (phytoplankton), as well as by simple chemistry: carbon dioxide dissolves in water.As we burn fossil fuels and atmospheric carbon dioxide levels go up, the ocean absorbs more carbon dioxide to stay in balance.

Answer:

true!

Explanation:

The percent yield for this reaction is 81.9%.

To calculate the percent yield, we need to use the following formula:
Percent yield = (actual yield / theoretical yield) x 100
We are given that the theoretical yield is 24.9 g and the actual yield is 20.4 g. Plugging these values into the formula, we get:
Percent yield = (20.4 / 24.9) x 100
Percent yield = 81.9%
It is important to note that the percent yield is a measure of the efficiency of a reaction. A high percent yield indicates that a large percentage of the reactants were converted into products, whereas a low percent yield suggests that some of the reactants were lost or that side reactions occurred. In this case, a percent yield of 81.9% indicates that the reaction was fairly efficient and that most of the reactants were converted into products. However, it is still important to consider why the actual yield was lower than the theoretical yield and to optimize the reaction conditions to improve the yield in future experiments.

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Answer:

nickel, cobalt would decrease in size when it became an iron

Answer:

A

Explanation:

Anything which takes up space and has mass is considered matter.

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Answer: condensaytion

Explanation: its reverse vaporation instead of water turning into gas gas turns into water

Answer:

it's volume also decrease

The heat of solution is typically expressed in units of energy, such as joules (J) or calories (cal).

The most commonly used unit is joules, as it is part of the International System of Units (SI). The heat of solution can also be expressed in kilojoules (kJ) or megajoules (MJ), which are larger units of energy.

In older literature, heat of solution may be expressed in calories. One calorie is equivalent to 4.184 joules, so it is a smaller unit of energy than the joule. However, the use of calories in scientific literature has declined in favor of the joule.

Regardless of the units used, the heat of solution is a measure of the amount of heat absorbed or released during a chemical reaction, such as the dissolution of a solid in a liquid. A positive value for the heat of solution means that heat is absorbed during the reaction and the solution is endothermic. A negative value means that heat is released during the reaction and the solution is exothermic.

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Answer: Potassium bromide

Explanation:

The molarity of p-nitroaniline in a solution if the absorbance is 0.233 assuming a path length of 1.00 cm is 0.0809 M.

How to find molarity of p-nitroaniline in a solution?

The molarity is the measure of the number of moles of solute per unit volume of a solution.

The formula for molarity is:

Molarity = Moles of solute / Volume of solution (in liters)

Given data:

Absorbance = 0.233

Path length = 1.00 cm

Molar Absorptivity = 7,700 L / mol * cm (given in the experimental section)

Molar mass of p-nitroaniline = 139.11 g/mol

To calculate the molarity of p-nitroaniline in a solution, we have to first calculate the concentration of p-nitroaniline (in mol/L).

To calculate the concentration of p-nitroaniline, we have to use the Beer-Lambert law.

A = εlcwhere, A = absorbance, ε = molar absorptivity, l = path length, and c = concentration Rearranging the formula:

c = A / εlc = 0.233 / (7,700 L/mol*cm × 1.00 cm)c

= 0.0000302650 mol/L Molarity

= Moles of solute / Volume of solution (in liters)Moles of p-nitroaniline

= (Concentration × Volume of solution) / Molar mass of p-nitroaniline Moles of p-nitroaniline

= (0.0000302650 mol/L × 1000 mL) / 139.11 g/mol Moles of p-nitroaniline

= 0.00021884 mol/L

= 2.1884 × 10-4 L Molarity

= Moles of solute / Volume of solution (in liters)Molarity

= 2.1884 × 10-4 L / 1.00 L Molarity

= 0.0809 M

Thus, the molarity of p-nitroaniline in a solution if the absorbance is 0.233 assuming a path length of 1.00 cm is 0.0809 M.

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The gravitational potential energy (GPE) of a 1 kg fish positioned 0.5 meters above the ground is 4.9 joules (J).

What is Gravity?

Gravity is a fundamental force of nature that causes objects with mass or energy to be attracted to one another. It is the force that gives weight to physical objects and determines how objects interact with each other due to their mass. Gravity is responsible for the motion of celestial bodies, such as planets, stars, and galaxies, and it plays a crucial role in the structure and evolution of the universe.

GPE = mgh

where:

Given the information provided:

Mass of the fish (m) = 1 kg

Height above ground (h) = 0.5 meters

Acceleration due to gravity (g) = 9.8 m/\(s^{2}\)

Plugging these values into the formula, we get:

GPE = (1 kg) x (9.8 m/\(s^{2}\)) x (0.5 m)

GPE = 4.9 J

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Answer:

Explanation:

The bottom picture shows a Mg atom. There are two electrons on the outside ring. When Mg reacts with something, these 2 electrons are given away. The top picture records that fact.

Enthalpy change of mixing refers to the energy change during the formation of an ideal solution. Volume change of mixing relates to the change in volume resulting from the mixing process.

Enthalpy is a thermodynamic property that represents the total heat content of a system at constant pressure. It encompasses both the internal energy of the system and the work done by or on the system. Enthalpy is denoted by the symbol "H" and is typically measured in units of energy, such as joules (J) or calories (cal). Enthalpy accounts for the energy transferred as heat during chemical reactions or phase changes. Enthalpy is crucial in studying and analyzing various phenomena, including chemical reactions, phase transitions, and energy transfers in thermodynamic systems.

Volume change of mixing, on the other hand, relates to the change in volume resulting from the mixing process. It accounts for the variation in molecular interactions and the resulting effects on the overall volume of the mixture compared to the volumes of the individual components.

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Answer:

E. the procedure

Explanation:

In scientific experiments, several steps are taken in order to achieve a significant result. However, the steps involved when performing the experiment should be taken note of and written down in a very comprehensible manner. The written step by step process involved in an experiment is called the PROCEDURE.

A procedure should be a guide to performing the experiment by a new experimenter. It should include everything done during the experiment. In this case, Mrs. Integer is telling Mrs. Apex to write down all she is doing during the experiment in a step by step manner. In essence, the principal is simply asking her to write a PROCEDURE.

Answer:lonic

Explanation:A neutral atom has an equal number of electrons and protons. When an electron is lost, the atom becomes positively charged and is called a cation. On the other hand, when an electron is gained by an atom, it becomes negatively charged and is called an anion. The distance of the nucleus of an ion and the valence electron is referred to as the ionic radius.