what term describes the structural relationship between (2r,3r,4s)-2,3,4-trichloroheptane and (2r,3r,4r)-2,3,4-trichloroheptane?

False , The most abundant cation in intracellular fluid is potassium (K+), not sodium (Na+). Potassium ions are found in higher concentrations inside cells, contributing to the positive charge within the intracellular environment.

Sodium ions, on the other hand, are more abundant in extracellular fluid. The concentration gradient of sodium and potassium across the cell membrane plays a crucial role in various cellular processes, including the generation of action potentials and the maintenance of cell volume and osmotic balance.

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Answer:

the electrons in the innermost shell of an atom are called core electrons while the electrons in the outermost shell are called Valence electrons the arrangement of electrons in the shells of an atom is known as electron configuration.

Each isotope's atomic mass unit is substituting. We are given the following percentages: 90% divided by 100% of x 35, 8% divided by 100% of x 37, and 2% divided by 100% of x 38. As a result, the averag atomic mass unit is near to 30 at 35.

Atoms of the same element that have variable numbers of neutrons but the same number of protons are called isotopes.

Average The arithmetic mean is calculated by adding a set of numbers, dividing by their count, and then taking the result. The average of 2, 3, 3, 5, 7, and 10 is one example.

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The reactivity of elements generally increases as you go down a group in the periodic table. This is because elements in the same group have the same number of valence electrons, and as you go down a group, the number of valence electrons increases. This causes the atoms to have a higher positive charge, which makes them more reactive because they are more likely to form chemical bonds with other atoms.

However, the reactivity of elements decreases as you go down group 7 (the halogens) in the periodic table. This is because the valence shell of these elements is already full, so they are less likely to form chemical bonds with other atoms. As a result, the atoms in group 7 are less reactive than those in other groups.

The ions formed when ch₃oh dissociates in water are Hydrogen ions (H+) and hydroxide ions (OH-).

What ions are formed when ch₃oh dissociates in water?

Hence the ions formed are Hydrogen ions (H+) and hydroxide ions (OH-).

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Answer:

peanut butter

Explanation:

because you have 10 pieces of bread, 4 tbs of peanut butter, and 20 tbs of jelly, meaning you can make 5 sandwwitches with the bread, 4 sandwitches with the peanut butter, and 10 sandwitches with the jelly. so you dont have enough peanut butter to make all the sandwitches

According to the given scenario,  If one have 10 pieces of bread, 4 tablespoons of peanut butter, and 20 tablespoons of jelly, the limiting reactant will be peanut butter.

What is a limiting reactant?

The reactant that gets consumed first in a chemical reaction and result in limiting the formation of product is referred to as a limiting reactant.

According to the given scenario, the quantity of peanut butter will get consumed first so it will act as a limiting reactant.

Thus, If one have 10 pieces of bread, 4 tablespoons of peanut butter, and 20 tablespoons of jelly, the limiting reactant will be peanut butter.

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Answer:

100N

Explanation:

Given parameters:

Mass of the bowling ball  = 20kg

Acceleration  = 5m/s²

Unknown:

Amount of force applied  = ?

Solution:

To solve this problem, we apply newton's second law of motion.

    Force  = mass x acceleration

Now insert the parameters and solve;

   Force  = 20 x 5  = 100N

C. Continuous metabolic production of free hydrogen ions

The processes of creating and breaking down glucose molecules are both examples of metabolic pathways. A metabolic pathway is a chain of related chemical reactions that feed each other. The pathway takes in a single or extra beginning molecule and, through a sequence of intermediates, converts them into merchandise.

Metabolism (stated: meh-TAB-uh-Liz-um) is the chemical reactions within the body's cells that alternate meals into power. Our bodies want this strength to do the entirety from moving to wondering to growing. particular proteins in the body manipulate the chemical reactions of metabolism.

A metabolic product is a compound produced via the cells and is excreted to the extracellular medium. it can be produced in the number one metabolism, e.g. carbon dioxide, ethanol, acetate, or lactate, or an extra complicated one, e.g. a secondary metabolite or a heterologous protein secreted to the extracellular medium.

The question is incomplete. Please read below to find the missing content.

Which normal physiologic process contributes most to the need for acid-base balance

A. Continuous organ production of bicarbonate from carbonic acid

B. Continuous alveolar exchange of oxygen and carbon dioxide

C. Continuous metabolic production of free hydrogen ions

D. Continuous kidney formation of urine from blood

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Answer:

3

Explanation:

the half life of a radioactive isotope is the amount of time one half of the isotope takes to decay

after 5 minutes the mass will be 24

after 10 minutes the mass will be 12

after 15 minutes the mass will be 6

after 20 minutes the mass will be 3

The atomic number of the element that does not usually form compounds because its outermost shell is full is eighteen (18).

An atomic number is the number of a chemical element in the periodic table in which elements are arranged according to the increasing number of protons in the nucleus. Therefore, the number of protons that is always equal to the number of electrons in neutral atoms is also called the atomic number. When the outermost shell of an element is full, it has atomic number eighteen (18).

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Answer: 0.910 moles NA+

Definition: of Like Decimal: Two or more decimal fractions are called like ... 0.910; 10.819; 89.637; 142.800 (b) 12.01; 180.3; 1446.105; 180.19

Answer:

Thermal energy

Explanation:

Sorry it took me forever

Answer:

Thermal energy

Explanation:

Answer:

45.72 cm

Explanation:

We are told that there are 2.54 cm in an inch and 12 inches in a foot.

Since 1 inch = 2.54 cm

Then, 12 inches = (12 × 2.54)/1 = 30.48 cm

Now, 12 inches makes 1 foot.

Thus, 1 ft = 30.48 cm

Thus, 1.5 ft = (1.5 × 30.48)/1 = 45.72 cm

Thus, 45.72 cm will make 1.5 feet

A base is a type of chemical compound that is characterized by the fact that it has a slippery, soapy feel when touched. The correct option is (a).

The slippery, soapy feel is one of the most distinguishing characteristics of a base, and it is due to the fact that bases are able to react with fats and oils on the skin, creating soap-like substances that feel slippery and greasy to the touch.

Bases are also known for their ability to turn red litmus to blue, which is another common characteristic. This is due to the fact that bases are capable of producing hydroxide ions (\(OH^{-}\)) when they are dissolved in water.

These hydroxide ions are basic in nature, and they are able to neutralize any acidic substances that they come into contact with. As a result, when blue litmus paper treated with an acidic substance will turn red when it comes into contact with a base.

Acidic substances, on the other hand, produce \(H^{+}\) ions when they are dissolved in water. These ions are able to neutralize any basic substances that they come into contact with, and as a result, they will turn litmus paper red.

Overall, bases are a very important class of chemical compounds that are used in a wide range of industrial, scientific, and medical applications.

The complete question is,

which one of the following is characteristic of a base? explain in 200 words.

a. has a slippery, soapy feel

b. produces \(H_{3}O\) in water

c. is insoluble in water

d. has a sour taste turns blue litmus red

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The reaction is an unbalanced redox reaction hence, the reaction  can be balanced by using the half-reaction method.

The term redox reaction refers to the reactionnin which electrons are transferred hence one specie is oxidized while the other specie is reduced.

Looking at the reation as shown, we can see that the reaction is an unbalanced redox reaction hence, the reaction  can be balanced by using the half-reaction method.

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Answer:

B

Explanation:

Answer:

It is used to make black gunpowder and also to make sulfuric acid which is used in batteries, fertilizers, etc...

Explanation:

It is used to make black gunpowder and also to make sulfuric acid which is used in batteries, fertilizers, etc..

Answer:

Ions form when an atom gains or loses electrons in order to find a more stable configuration.There are two types of ions cations and anions

Explanation:

hope this helps if not let me know have a blessed day

H₂ (g) + O₂ (g) ⇒ H₂O (g) because Hydrogen and oxygen gas both exist as diatomic molecules. The water is in gaseous state due to the heat given off by the combustion reaction.

Combustion, often known as burning, is a high-temperature exothermic redox chemical reaction that occurs between a fuel and an oxidant, typically atmospheric oxygen, to generate oxidized, generally gaseous products in a mixture known as smoke. A combustion reaction is a type of chemical reaction that occurs when any combustible component reacts with an oxidiser to generate an oxidised product. Fires and the release of energy in the form of heat are frequently associated with combustion processes. A hydrocarbon generally combines with oxygen in most combustion processes to produce carbon dioxide and water.

Here,

Because hydrogen and oxygen gas exist as diatomic molecules, H2 (g) + O2 (g) = H2O (g). Because of the heat produced by the combustion reaction, the water is in a gaseous condition.

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Answer:

a

Explanation:

The pollution will kill the local pond life, and amphibians are very delicate to change.

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The pollutants from a factory will have a negative effect on

a. local pond life

This effect is known as water pollution.

The plants go through such a lot of oxygen during the evening and during rotting processes that there is none left for the other lake life. The development additionally forestalls daylight arriving at the life forms beneath. At last, all the green growth bites the dust leaving a rancid, rotting mass.

Natural matter and supplements cause an expansion in high-impact green growth and exhaust oxygen from the water section.

Thus, correct option is a.

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After benzocaine is mixed with hydrochloric acid, it will be 4-aminobenzoic acid and soluble in the water.

Benzocaine, sold beneath the counter emblem called Orajel amongst over-the-counters, is an ester nearby ones over the counter normally used as a topical ache reliever or in cough drops. it's a far over-the-counter lively factor in many ones over counter ointments consisting of merchandise for oral ulcers.

Benzocaine is used to relieve aches and itching resulting from conditions that include sunburn or different minor burns, insect bites or stings, poison ivy, poison oak, poison sumac, minor cuts, or scratches.

Benzocaine is a local over-the-counter used in pain manage management, and it's far over-the-counter ester neighborhood ones over-the-counter elegance of medication. This pastime describes over-the-counter symptoms, actions, and contraindications for benzocaine as a valuable agent in coping with ache control.

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Once hydroxide ions have been added, the next step in balancing a redox reaction under basic conditions is to combine hydrogen ions and hydroxide ions to form water molecules.

What is a simple definition of a redox reaction?

Any chemical reaction in which a participating chemical species experiences a change in oxidation number is referred to as an oxidation-reduction reaction or redox reaction. A broad range of procedures are included under this umbrella term.

According to the given question:

Redox reactions are those in which both reduction and oxidation occur. Redox reactions, like displacement reactions, occur when one species loses electrons while the other gains them (gaining electrons).

Once hydroxide ions have been added, the next step in balancing a redox reaction under basic conditions is to combine hydrogen ions and hydroxide ions to form water molecules.

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Answer:

Energy and how it can change forms. Kinetic, potential, and chemical energy.

In this case, elements that have similar atomic sizes and chemical properties to nickel would be expected to form a substitutional solid solution with complete solubility. Some examples of such elements include copper (Cu), palladium (Pd), and platinum (Pt).

This often occurs when the two elements have significant differences in atomic sizes or electronegativities. For example, elements such as aluminum (Al), manganese (Mn), or tungsten (W) can form substitutional solid solutions with incomplete solubility in nickel.

Please note that the specific elements mentioned above are examples and there may be other elements that can form the mentioned solid solutions with nickel based on their atomic properties.

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For the net charge to be +3,the mystery charge should be is -2 and net force is towards left.

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Answer:

electrical and mechanical engineering

Answer:

electrical engineering

Explanation: i took quiz

Calculate the reaction's enthalpy change for mole of reacting zinc: Z n (s) = Zi n C l (2 (a q) + H 2 Z n (s) (+ 0.5 H C l (a q) ( g ) -153.86 kJ is the enthalpy change.

Instead of sending the heat energy directly to a water when the ice strikes it, it absorbs it. It melts as a result. Strangely, when you put ice ice in the water, the opposite occurs. The water receives direct thermal energy transfer that causes it to melt.

It becomes hotter as just a result of someone being heated. The ice begins to melt and transform into liquid water as the temperatures stops rising. The process of melting involves changing a solid into the a liquid.

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Answer:

Examine the units: If the density is 1 g/mL, how many mL do you need to make 250 g?

X mL * 1 g/mL = 250 g

Solve for X

x mL = 250 g / 1 g/mL = 250 mL

Hope this helps :)

The volume of water = 250 L

\(density = \frac{mass}{volume}\)

Given, density = 1.0 g/L = 0.001 kg/L

           mass = 250 g = 0.25 kg

Putting the values in the equation

\(0.001 = \frac{0.25}{volume}\)

\(volume = \frac{0.25}{0.001}\)

\(volume = 250 L\)

Hence, the volume of the water is 250 L.

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