Write the common name of the α‑ketoacid resulting from the transamination of each amino acid.

Answer: This is called a chemical reaction.

Explanation: Gas may form, heat may be produced, and color may change. These types of changes indicate that a chemical reaction has occurred.

Answer:

Compound

Explanation:

Sodium chloride, commonly known as salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. With molar masses of 22.99 and 35.45 g/mol respectively, 100 g of NaCl contains 39.34 g Na and 60.66 g Cl

" Reaction mechanisms usually involve only unimolecular or bimolecular steps". This statement is true.

A reaction mechanism involves only unimolecular and/or bimolecular elementary steps because in higher reactions all three or more reactants have to collide at the same time which is most likely to not happen.

Unimolecular reactions are mostly of first order. It occurs when a molecule rearranges itself to give one or more products in a reaction. For example, in radioactive decay, some particles are emitted from the atom giving different atoms in the reaction. In bimolecular reaction, two of the molecules collide with each other to give one or more products. Mostly occur in organic reactions for example, nucleophilic substitution reaction.

In higher reactions such as termolecular reactions unlike unimolecular and bimolecular reactions, all three or more reactants should collide with same energy and proper orientation to give products which is most likely to not take place.

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The component of a chemical reaction that does not change from beginning to end is the mass. According to the law of conservation of mass, matter can neither be created nor destroyed in a chemical reaction.

The total mass of the reactants before the reaction must be equal to the total mass of the products after the reaction. This means that the mass is conserved throughout the reaction. Therefore, the mass is the component of a chemical reaction that does not change from beginning to end.

However, while the mass of the substances remains the same, their chemical composition does change due to the rearrangement of atoms and formation of new chemical bonds.

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Answer:

SCORE WARNING ! ! ! (JUST FINISHED MY TEST AND GOT A B IM NOT SURE WHICH ONE WAS INCORRECT btw it was the K12 8th grade test)

1. C / Proton (p+)

2. D / the number of protons and neutrons in an atom (p + n)

3. B / the number of protons

4. D / a molecule

5. B / becomes moldy quickly

6. D / gases

7. D / A physical change is a change from one state of matter to another; a chemical change results in a new substance formed.

8. D / upper right side

9. B / group

10. B / atomic number (# of protons)

Explanation:

I just took the test

The positively charged subatomic particles are called protons. The mass number of an atom is the sum of number of protons and neutrons and the atomic number is the number of protons.

An atom is the basic unit every substances. It is made up of subatomic particles electrons, protons and neutrons. The positively charged particles are called protons. Whereas electrons are negatively charged.

The atomic number is the number of protons and the mass number indicates the sum of number of protons and neutrons.

Water can be classified as a diatomic molecule formed from two hydrogens and one oxygen atom. Among the given, malleability is a physical property. It is the ability to change the shape and size of metal blocks.

Liquids has definite volume but does not have a defined shape. They assume shape of the container.A physical change is a change from one state of matter to another; a chemical change results in a new substance formed.

Nonmetals are located in the side upper right side of periodic table. Metals are covered in left and middle portion. The elements F, Cl are in same group. All the elements are arranged in periodic table based on their atomic number.

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1.  We can see here that energy is required to change the phase of matter. For example, energy is required to melt ice, vaporize water, and condense steam. The amount of energy required to change the phase of matter is called the latent heat.

Energy is a fundamental concept in physics and refers to the ability or capacity of a system to do work or produce a change.

2. The demonstration on the sample of water showed that water can exist in three phases: solid, liquid, and gas. The solid phase is ice, the liquid phase is water, and the gas phase is steam.

The demonstration started with ice at 0°C. As heat was added to the ice, the temperature of the ice increased. However, the ice did not melt until the temperature reached 0°C. This is because the energy from the heat was used to break the bonds between the water molecules in the ice. Once the bonds were broken, the ice melted and became water.

3. Completing the

Page 4:

Heating and cooling curves are graphical representations of how temperature changes during the process of heating or cooling a substance. They illustrate the relationship between temperature and the state of matter.

Both curves show:

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Answer:

the process of carrying light

If you have a hydrocarbon with 17 carbons, it will take 34 hydrogens to be fully saturated.

A hydrocarbon is an organic molecule composed completely of hydrogen and carbon in organic chemistry. Group 14 hydrides include hydrocarbons. Hydrocarbons are often colorless and hydrophobic, with scents that are weak or exemplified by gasoline and lighter fluid.

They exist in a wide range of molecular forms and phases, including gases (like methane and propane), liquids (like hexane and benzene), low melting solids (like paraffin wax and naphthalene), and polymers (such as polyethylene and polystyrene). Hydrocarbon refers to naturally occurring petroleum, natural gas, and coal, as well as their hydrocarbon derivatives and refined forms, in the fossil fuel industry. The primary source of energy on the planet is the combustion of hydrocarbons.

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Derivatization means adding fluorescent labels or combining the analyte with chiral reagents or other chemicals to increase detectability.

Some analytes must be derivatized to increase their column retention or detectability.

Retention time can be referred to as the amount of time a solute spends in the stationary and mobile phases of a column.

Detectability is the ability of an analyte to get detected in the mobile phase of chromatography.

The refractometer, fluorescence detector, and UV detector are the three most popular liquid chromatography detectors. These detectors increase the detectability.

For derivatization, the fluorescence detector are used.

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Habitat preservation is usually the most efficient method of protecting biodiversity because it involves protecting an entire ecosystem.

The natural world provides a variety of resources that can be taken advantage of for financial gain, such as timber taken from forests and clean water taken from streams and hence the entire ecosystems preservation.

However, anthropogenic economic growth-related land expansion frequently results in a decrease in the ecological integrity of neighboring natural habitat.

A management strategy known as habitat conservation aims to preserve, maintain, and restore habitats in order to stop the extinction, fragmentation, or range reduction of species. It is a focus of numerous groups that is difficult to categorize in terms of a single ideology.

For instance in tropical regions with a high species richness or in leisure activities like hiking and mountain biking that take place in undeveloped areas. Repairing harmed ecosystems is thought to be substantially more valued.

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Answer:

silicon and germanium.

Explanation :

The passage states that at extreme pressures an elemental solid assumes the structure and bonding characteristics of a heavier element in the same column of the periodic table. The structure and bonding of diamond, which is a form of carbon, would therefore be most like other elements in the same group of the periodic table as carbon. This group contains silicon and germanium.

Answer:

196 grams

because ^^^ was wrong and person in comments said it was 196 and it was right

When NaOH of 4.00 g is being added with water, the mass of water required to create 2.00% of NaOH solution by mass is 196 g.

It means that the particular amount of solute in terms of percentage is present in the solute.

Given the mass of the solute, NaOH is 4.00g

Suppose the mass of water required to add is x in g.

The mass percent of the solute is

\(\dfrac{2}{100} =\dfrac{4.00}{4.00 +x }\)

x =196 g

Therefore, mass of water required to create 2.00% of NaOH solution by mass is 196 g.

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The equilibrium concentration of H2 and I2 is 0.165 M. The equilibrium concentration of HI is 1.17 M.

The term Kc refers to the equilibrium constant for a aqueous phase reaction. The concentrations of each specie is;

H2 = 1.5/2 = 0.75 M

I2 = 1.5/2  = 0.75 M

Setting up the ICE table;

        H2(g) +     I2(g) <---> 2HI(g)

I      0.75          0.75             0

C     -x                -x                 +2x

E    0.75 - x     0.75 - x           2x

Kc = [HI]^2/[H2] [I2]

57.85 = (2x)^2/(0.75 - x)^2

57.85(0.56 - 1.5x + x^2) = 4x^2

32.3 - 86.7x + 57.85x^2 = 4x^2

4x^2 - 57.85x^2 + 86.7x - 32.3 = 0

-53.85x^2 + 86.7x - 32.3 = 0

x = 0.585 M because x can not be greater than the initial concentration.

At equilibrium;

[HI] = 2x = 2(0.585) = 1.17 M

[H2] =[I2] = 0.75 M  - 0.585 M = 0.165 M

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Although it is soluble in water, sodium borohydride interacts with water. Hydrogen gas is created as a reaction byproduct when hydrogen atoms are dissolved in water. Gaseous hydrogen is very flammable.

The powder form of sodium borohydride is white to grey. Water breaks it down into hydrogen, a combustible gas, and sodium hydroxide, a caustic substance.

This process could generate enough heat to ignite the hydrogen. The substance itself ignites quickly and burns intensely once it does.

A white, odorless powder or pellet is sodium borhydride. It serves as a reducing agent for aldehydes and ketones, a blowing agent for polymers, and a bleaching agent for wood pulp.

Therefore, Aldehydes can be preferentially reduced in the presence of other functional groups, such as ketones, esters, imides, and nitriles, due to NaBH4's high reactivity to the carbonyl carbon's positive charge.

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Free electrons play a role in thermal conduction. Thermal conduction is the transfer of heat energy through a material or between materials in direct contact. In metals, which are good conductors of heat, free electrons contribute significantly to the process of thermal conduction.

In metals, some of the electrons in the outer energy levels of atoms are not tightly bound to individual atoms but are relatively free to move throughout the material. These free electrons are often referred to as conduction electrons. When there is a temperature gradient in a metal, the free electrons gain kinetic energy from the higher-temperature region and transfer it to neighboring atoms by colliding with them. This transfer of kinetic energy is what facilitates the conduction of heat through the material.

On the other hand, thermal expansion refers to the expansion or contraction of a material due to changes in temperature. While free electrons are present in metals, they do not play a direct role in the phenomenon of thermal expansion. Thermal expansion is primarily determined by the behavior of atoms or molecules within the material.

Therefore, free electrons are specifically involved in thermal conduction rather than thermal expansion.

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Answer:

11.11%

Explanation:

The percentage of an element in a compound is 100 times the fraction, so for water the mass percent hydrogen is 11.11%

Hope this helps :)

Answer:

the particles must 1. collide

2. with sufficient energy

3. in proper orientation.

Explanation:

hope this helps

7.1) Organ donation requires consent from the donor. 7.2) Palliative care is governed by laws. 7.3) Voluntary assisted dying (VAD) allows eligible terminally ill individuals to request medical assistance to end their lives. 7.4) Autopsy is a medical examination of a deceased person's body. 7.5) An Advance Health Directive is a legal document specifying healthcare preferences in case of future incapacity. 7.6) Delirium assessment and management involve identifying underlying causes and providing comprehensive care to address symptoms.

7.1) Organ donation is a noble deed that saves many lives. To become an organ donor, a person must indicate their desire to donate their organs on their driver's license, sign an organ donor card, or register online through an organ donor registry website. Healthcare professionals are not allowed to harvest organs for therapeutic purposes from a deceased patient who had not given consent to organ donation.

7.2) Palliative care is regulated by the laws of each country. In general, palliative care is provided in accordance with medical ethics and the principle of beneficence, which is the act of promoting the patient's well-being. Laws and regulations also cover the use of controlled substances and the protection of patients' rights, including the right to refuse treatment.

7.3) Voluntary assisted dying (VAD) is a legal process that allows people who are suffering from a terminal illness to obtain medical assistance to end their lives. The process is voluntary and the person must meet certain eligibility criteria to access the service. The laws governing VAD vary by country and are subject to rigorous legal and ethical scrutiny.

7.4) An autopsy is a medical examination of a deceased person's body to determine the cause of death. Autopsies can be performed with or without the consent of the deceased person's family, depending on the laws of the country or state. Autopsies are an important tool for medical research and can help to improve healthcare outcomes.

7.5) An Advance Health Directive is a legal document that specifies a person's wishes regarding their healthcare if they become unable to make decisions for themselves. The document is prepared in advance and outlines the person's preferences for medical treatment, including whether they wish to be resuscitated or not. The document is legally binding and is used to guide medical decision-making when the person is unable to express their wishes.

7.6) Delirium is a state of confusion and disorientation that can occur in patients with a range of medical conditions. It is important to assess and manage delirium because it can be a sign of an underlying medical problem or a side effect of medication. The management of delirium includes identifying and treating the underlying cause, managing symptoms with medications if necessary, and ensuring the patient's safety.

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Answer:

See the answer below

Explanation:

In chemistry, indicators are substances that are capable of changing colors with respect to the pH. Each indicator has its characteristic color in acidic pH and another characteristic color in alkaline pH.

Methyl orange indicator appears red in acidic solution and yellow in basic solutions. Phenolphthalein is usually colorless in acidic solutions and appears pink in basic solutions. A red litmus paper will turn blue in alkaline solutions while a blue litmus paper will turn red in acidic solutions.

Explanation:

The atoms on the periodic table are grouped according to having similar properties. Therefore, atoms of group 15 has 5 valence electrons.

Answer:

The last option is correct.

To separate the mixture of water, salt, iron filings, sand, and Styrofoam, you can follow the following steps:

By following these steps, you can separate the different components of the mixture effectively.

Answer:

Cell theory states that cell living organisms are composed of at least one cell, which are the basic unit of life. Cells are always produced from other living cells, and cannot spontaneously generate

Answer:Mineral is a natural material.

Explanation:Mineral is a solid natural inorganic substance.

Answer:

The ecological relationship between termites and the wood-digesting protozoans that live in their gut is an example of  mutualism. Thank you for posting your question here at brainly. I hope the answer will help you.

Answer:

kindly check the attach file for the drawing of the chemical structures.

Explanation:

So, we are going to start from the compound D, which is stated in the question to be optically active. Therefore, we will have that:

STEP ONE: THE OXIDATION OF COMPOUND A, C6H12O2 TO GIVE COMPOUND C.

The oxidation of compound A,C6H12O2 gives another chemical compound that is chemical compound C which is a optical inactive di-carboxylic acid. The chemical equation is given below:

C6H12O2 + H2Cr2O4 --------------------------------------------> HOOCCH2CHCH3CH2COOH.

STEP TWO: THE OXIDATION OF COMPOUND A, C6H12O2 TO GIVE COMPOUND B.

The oxidation of compound A,C6H12O2 gives another chemical compound that is chemical compound C which is a optically active acid. The chemical equation is given below:

C6H12O2 + Ag(NH3)2^+ -----------------------------> C6H12O3.

Since the question asked us to give the structures of Compound A,B and C there is no need to to show the chemical reaction for compound D.

Kindly check the picture below for the chemical structures.

Answer:

The substance is in a liquid phase.

Explanation:

The shape of a solid doesn't rely on the container it's in (think of shoes in a shoe box, the shoes maintain their shape).

The shape of a liquid can be changed depending on its container (think of water in a bowl vs. water in a bottle). Regardless of its shape, it maintains the same volume; that is, the amount of water doesn't change.

Gases don't have shapes, so that cannot be the answer either.

Two form of isomer shown by Alanine amino acid is

                 a) L- alanine

                 b) D- alanine

Type of isomerism shown is Stereoisomers.

Amino acids are molecules that combine to form proteins. Amino acids and proteins are the constructing blocks of life. When proteins are digested or broken down, amino acids are left. The human body uses amino acids to make proteins to assist the body.

Amino acids are required for the synthesis of body protein and other important nitrogen-containing compounds, which include creatine, peptide hormones, and some neurotransmitters. Despite the fact that allowances are expressed as protein, a the organic requirement is for amino acids.

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Answer:

4 electrons

Explanation:

the valence shell of carbon (for which n=2 ) thus contains 4 electrons.