what is the form of energy contained in a dam called? group of answer choices nuclear chemical kinetic potential

Answer:

C. Dalton

Explanation:

Answer:

D

Explanation:

The end-products of glycolysis include Pyruvate, NADH, and ATP. Therefore, option C is the correct answer.

Glycolysis is the metabolic pathway that occurs in the cytoplasm of the cell, which plays a vital role in the energy production process. It is also known as the Embden-Meyerhof pathway, and it takes place in the absence of oxygen during cellular respiration.Glycolysis involves the breakdown of glucose into two three-carbon molecules called pyruvate. During the process, a net amount of two molecules of ATP, two molecules of NADH, and two molecules of pyruvate are produced.

The pyruvate is then transported to the mitochondria, where it is further broken down to generate more ATP molecules.

The overall reaction of Glycolysis is:

\(Glucose + 2 NAD^+ + 2 ADP + 2 Pi ⇒2 pyruvate + 2 ATP + 2 NADH + 2 H^+ + 2 H_2O\)

Therefore, The end-products of Glycolysis include: Two molecules of Pyruvate. Two molecules of ATP (Adenosine Triphosphate) are produced. NADH (Nicotinamide Adenine Dinucleotide), which is a high-energy electron carrier, is also produced in glycolysis. hence c option is correct .

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If a student's observation of a solid sphere forming in a liquid and then dissipating during a solidification experiment is accurate, he may have seen one.

Atoms move from a liquid, disordered state to an ordered solid state through a process known as solidification. By adhering to the kinetic principles, the solidification process' conversion rate can be increased. These rules allow us to see the movement of atoms during the transformation of liquid.

As it cools, bacon fat congeals. candle wax solidifying after it has melted. Rock-like lava is becoming more solid.

Melting is the conversion of a solid into a liquid (an older term that you may see sometimes is fusion). Freezing is the process by which a liquid turns into a solid (some textbooks also use the word solidification for this process).

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The density of argon gas at STP is 1.78 g/L.

The density formula is given as :

D = m / v

where,

D = density

m = molar mass

v = volume in Liter

the ideal gas equation is given as :

P V = n R T

the STP that standard temperature of the gas is 273.15 K and the standard pressure of gas is 1 atm.

D = P M / R T

D = (1 atm× 39.04 g /mol) / (0.082 atm L / mol K× 273.15 K)

D = 1.78 g / L

Thus, the density of argon is 1.78 g / L at STP.

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Following the cation (potassium), the anion is provided (bromide). how the ions linked with a potassium and bromine combination's chemical formula and compound name would be written

The main cation (positive ion) inside animal cells is potassium, whereas the main cation outside animal cells is sodium. The balance between potassium and sodium is maintained by ion pumps in the cell membrane. The concentration variations of these charged particles generate a difference in electric potential between the inside and outside of cells, known as the membrane potential. The potassium and sodium ions' creation of the cell membrane potential enables the cell to produce an action potential, or "spike," of electrical discharge. For bodily processes including neurotransmission, muscular contraction, and heartbeat, cells must be able to create electrical discharge.

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The pH of a  a 0. 10 m solution of NaCN at 25°C is 11.15

Calculation

The reaction in the solution is given below

                   \(CN^{-} + H_{2} O\) → HCN + \(OH^{-}\)

initial                    0.1

change           ( -x)                (+x)

equilibrium     (  0.1 - x )         x

Kb = [HCN] [\(CN^{-}\) ]/[\(CN^{-}\) ]

Kb × Ka = Kw = 1.0 × \(10^{-14}\)

Kb =  1.0 × \(10^{-14}\) / 4.9  × \(10^{-10}\) =  [HCN] [\(CN^{-}\) ]/[\(CN^{-}\) ] = \(x^{2}\)/ (  0.1 - x )

Kb =  2.04× \(10^{-5}\) = \(x^{2}\)/ (  0.1 - x )

Since , [NaCN] /Kb > 100 , we can simplify the above equation to

=  2.04× \(10^{-5}\) = \(x^{2}\)/ (  0.1 )

x = 1.43 × \(10^{-3}\) M = [HCN] = [ \(OH^{-}\)]

Then pOH = 2.84

pH + pOH = 14

pH = 14- pOH = 14 - 2.84 = 11.15

Therefore , the pH is 11.15

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Water (2950 g) is heated until it just begins to boil. If the water absorbs 5.71x10^5 J of heat in the process, the initial temperature of the water is 25.79°C.

The average temperature of the contents of the coldest container to be processed at the time the thermal processing cycle begins is called as initial temperature.

The first thing to do here is to calculate the change in temperature that occurs when you provide 5.71x10^5 J of heat to 2950 g of water.

q = mcΔT

where,

q - the amount of heat gained

m- the mass of the sample

c- the specific heat of the substance

ΔT - the change in temperature, defined as the difference between the final temperature and the initial temperature

ΔT = q/mc

= 5.71x10^5/2950×4.18

= 25.79°C

Thus, the initial temperature of the water is 25.79°C.

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3.33 grams of magnesium were utilized, and the same amount of magnesium chloride was generated.

One mole of magnesium interacts with two moles of hydrochloric acid to form one mole of magnesium chloride and one mole of hydrogen gas, as shown by the equation.

mass / molar mass equals moles of HCl.

The formula for HCl is 10.0 g/36.46 g/mol (molar mass of HCl)

HCl equals 0.274 moles per unit.

Mg = 0.274 moles and 2 moles of Mg are equal to 0.137 moles.

When 0.137 moles of HCl are added, the mass of magnesium needed is:

Mg mass is calculated as Mg moles times Mg molar mass.

Mg's mass is 3.33 g.

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Answer:

Explanation:

The answer depends, if they are at opposite poles they will attract but if they are at the same pole they will repel

When the elements combine, some individual property of the elements is lost and the newly formed compound has new properties. Here among the given options, the compound is carbon dioxide. The correct option is C.

The chemical substances which are made up of two or more elements that are chemically bound together in a definite ratio are defined as the compounds. The compounds are represented by the chemical formula.

A chemical formula is the symbolic representation of atoms which constitute a particular chemical compound. The chemical formula of water is H₂O, which contains 'H' and 'O' atoms.

Here the chemical formula of the compound carbon dioxide is CO₂ and it is made up of two different elements, they are 'C' and 'O' atoms. The type of bonds in a compound may be ionic or covalent.

Thus the correct option is C.

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The final electron acceptor in aerobic respiration is oxygen (O2).The electron transport chain (ETC) in cellular respiration relies on a final electron acceptor to help oxygen get reduced into water. This is why oxygen is considered the final electron acceptor in cellular respiration.

During cellular respiration, glucose is broken down into pyruvate. Pyruvate is then transformed into acetyl CoA and enters the citric acid cycle, where it is oxidized and generates ATP, NADH, and FADH2. The final stage of aerobic respiration involves the electron transport chain, in which electrons from NADH and FADH2 are passed through a series of proteins and coenzymes in the inner mitochondrial membrane, ultimately reducing oxygen to form water.

This process is known as oxidative phosphorylation.In conclusion, the final electron acceptor in aerobic respiration is oxygen (O2), and carbon dioxide is generated in the link reaction (pyruvate oxidation) and the citric acid cycle.

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Answer:

b

Explanation:

The mass of oxygen produced when 3.0 moles of potassium chlorate decomposed completely is 144 g

We'll begin by writing the balanced equation for the reaction. This is given below:

2KClO₃ —> 2KCl + 3O₂

From the balanced equation above,

2 moles of KClO₃ decomposed to produce 3 moles of O₂.

From the balanced equation above,

2 moles of KClO₃ decomposed to produce 3 moles of O₂.

Therefore,

3 moles of KClO₃ will decompose to produce = (3 × 3) / 2 = 4.5 moles of O₂.

Mass = mole × molar mass

Mass of O₂ = 4.5 × 32

Mass of O₂ = 144 g

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Answer:

518 mL

Explanation:

We can solve this using Boyle's Law Formula

P1V1 = P2V2

where p1 = initial pressure, p2 = final pressure, v1 = initial volume and v2 = final volume

here , the initial pressure is 1 atm and the initial volume is 725mL

we are given the final pressure 1.4 and we need to find the final volume

so we have p1v1 = p2v2

==> plug in p1 = 1 , v1 = 725 mL and p2 = 1.4

(1)(725) = (1.4)v2

==> multiply 1 and 725

725 = (1.4)(v2)

==> divide both sides by 1.4

v2 = 518

N2 would have a volume of 518mL at 1.4atm

Answer:

517.86 mL

Explanation:

Boyle's Law Formula

Here :

Solving

Answer:

0.83Cal

Explanation:

Given parameters:

   Amount of energy given;

      35J;

 Convert to Cal;

         1 calorie  = 42 joules

         x calories  = 35 joules

   Cross multiply;

         42x = 35

             x = \(\frac{35}{42}\)   = 0.83Cal

To prevent more than one sperm from entering the egg.

What is oocyte?

An oocyte , or ovocyte is a female gametocyte or germ cell involved in reproduction. In other words, it is an immature ovum, or egg cell. An oocyte is produced in a female fetus in the ovary during female gametogenesis. The female germ cells produce a primordial germ cell (PGC), which then undergoes mitosis, forming oogonia. During oogenesis, the oogonia become primary oocytes. An oocyte is a form of genetic material that can be collected for cryoconservation.

When the sperm and egg fuse it triggers a release of calcium ions, which cause the cortical granules inside the egg to fuse with the plasma membrane. As they fuse, these granules release their contents outside of the cell, toward the remains of the zona pellucida.

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Answer:

identify the atoms on each side

count the atoms on its side

use coefficients to increase the atoms on each side

check to make sure you have the same number of each type of atom on each side

Answer:

3,4,2,1

Explanation:

Answer:

8.24 mL

Explanation:

Density can be defined as mass per unit volume, according to the relationship shown in the attached image. Moles (a unit of measurement for small entities) can also be related to mass. Let's look at two formulas which would be useful for answering this question.

\(\boxed{\text{Density}=\frac{\text{Mass}}{\text{Volume}} }\)

\(\boxed{\text{Mole}\times\text{Mr}=\text{Mass (in grams)}}\) , where Mr stands for relative molecular mass

From the periodic table the Mr of nickel is 58.7.

Multiply the number of moles by the Mr:

Mass of Ni

= 1.25(58.7)

= 73.375 g

Calculate the volume of Ni:

Volume

= mass ÷density

= 73.375 ÷8.90

= 8.24 ml (3 s.f.)

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Giant molecules are also referred to as macromolecules and polymers when numerous molecules are combined. These atoms are arranged in a three-dimensional structure and are joined by covalent bonds.

A giant molecule, also known as a macromolecule, is a usually large molecule crucial to biophysical processes, such as a protein or nucleic acid. It is made up of many atoms that are covalently bound. Large non-polymeric molecules including lipids and macrocycles, as well as biopolymers, are the most prevalent macromolecules in biochemistry. In addition to synthetic fibers, giant molecules can also be found in research materials like carbon nanotubes.

Different experts use different terminology for giant molecules. For instance, in biology, giant molecules refer to the four immense molecules that make up living things, while in chemistry, it refers to aggregates of two or more molecules that are held together by intermolecular forces rather than covalent bonds yet that is difficult to dissolve apart. The term giant molecule is frequently referred to as high polymer in British English.

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Answer:

EFFECTS OF WATER POLLUTION

In addition, here are some of the other consequences: Destruction of biodiversity. Water pollution depletes aquatic ecosystems and triggers unbridled proliferation of phytoplankton in lakes — eutrophication —. Contamination of the food chain

Answer:

Reasons water is important

Imagine earth without water. The soil, with no water in it and nothing growing on it, would be lifeless, dead, collapsed into dust, sand, clay or rock.

-Water consumption helps lubricate and cushion your joints, spinal cord, and tissues. This will help you enjoy physical activity and lessen discomfort caused by conditions like arthritis.

-Water is a main component of saliva. Saliva also includes small amounts of electrolytes, mucus, and enzymes. It’s essential for breaking down solid food and keeping your mouth healthy.

Answer:

The type of bond that holds bronze together is a metallic bond.

Explanation:

In metallic bonding, the atoms of the metal elements, in this case, copper and tin, share their valence electrons, forming a "sea" of delocalized electrons that are free to move throughout the structure. This results in a strong attraction between the positively charged metal ions and the negatively charged electron cloud, creating a cohesive force that holds the metal atoms together in a solid structure.

If one-tenth of the gas escapes during a process, the final pressure can be calculated using the ideal gas law. The pressure is directly proportional to the amount of gas remaining, so if one-tenth of the gas escapes, the remaining gas will occupy nine-tenths of the original volume. Therefore, the final pressure will be nine-tenths of the initial pressure.

According to the ideal gas law, which states that PV = nRT (where P is pressure, V is volume, n is the number of moles, R is the gas constant, and T is temperature), the pressure of a gas is directly proportional to the number of moles of gas present. If one-tenth of the gas escapes during a process, the remaining gas will occupy nine-tenths of the original volume.

Since pressure is directly proportional to the amount of gas remaining, the final pressure will also be nine-tenths (or 0.9) times the initial pressure. For example, if the initial pressure was P₀, the final pressure (Pf) would be given by the equation Pf = 0.9P₀.

It's important to note that this calculation assumes the temperature and volume remain constant during the process. If there are changes in temperature or volume, additional information would be required to determine the final pressure accurately.

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Answer:

Q = 5671.05 J

Explanation:

Given data:

Mass of metal = 525 g

Initial temperature = 32.0 °C

Fina temperature = 43.0 °C

Heat absorbed by metal = ?

Solution:

Specific heat capacity:

It is the amount of heat required to raise the temperature of one gram of substance by one degree.

specific heat capacity of metal X = 0.982 J/g.°C

Formula:

Q = m.c. ΔT

Q = amount of heat absorbed or released

m = mass of given substance

c = specific heat capacity of substance

ΔT = change in temperature

ΔT = 43.00°C - 32.00°C

ΔT = 11.00°C

Q = 525 g × 0.982 J/g.°C  × 11.00°C

Q = 5671.05 J

Answer:

\(55.1657\) grams/mol of carbon is needed to react with hydrogen gas to produce 59.8 grams of acetylene (C2H2)

Explanation:

The molecular weight of acetylene is  26.04 g/mol

Molecular weight of carbon is equal to 12.011 g/mol

Two carbon atom produces one acetylene molecule.

Thus, 2 * 12.011 g/mol of carbon is used to produce  26.04 g/mol of acetylene,

Amount of carbon required to produce 59.8 grams of acetylene

\(\frac{2*12.011}{26.04} * 59.8 \\= 55.1657\)grams/mol

\(55.1657\) grams/mol of carbon is needed to react with hydrogen gas to produce 59.8 grams of acetylene (C2H2)

2.8 x 10^9 atoms carbon atoms are there in a 2.6-carat diamond. diamonds are a form of pure carbon

Having the chemical symbol C and atomic number 6, carbon is an element with the meaning "coal" in Latin. It is nonmetallic and tetravalent, meaning that four of its atom's electrons can be used to create covalent chemical connections. The periodic table's group 14 is where it belongs. Only 0.025 percent of the crust of the Earth is made up of carbon. Crude oil, methane gas, and coal are used as fuel sources (which is used to make gasoline). All kinds of materials i.e diamond, including polymers and steel alloys, are made with it (a combination of carbon and iron)

2.8 carat C x (0.20g C/ 1 carat C) x (1 mole C/ 12.01 g C) x (6.02 x 10^23 atoms C/ 1 mole C)

= 2.8 x 10^9 atoms C

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When alcohol is metabolized in our body through zero order kinetics, it means that the rate of metabolism is constant, regardless of the concentration of alcohol in the body.

Zero-order kinetics refer to a type of chemical reaction in which the rate of the reaction remains constant, regardless of the concentration of the reactant. In the case of alcohol metabolism, the liver can only metabolize a certain amount of alcohol per hour, regardless of how much alcohol is present in the bloodstream.

Therefore, the rate of metabolism is constant, and the concentration of alcohol decreases at a constant rate over time.

Zero-order kinetics is different from first-order kinetics, where the rate of reaction depends on the concentration of the reactant. In the case of first-order kinetics, the rate of the reaction decreases as the concentration of the reactant decreases.

When we consume alcohol, it enters our bloodstream and is carried to our liver, where it is metabolized. The liver can metabolize a certain amount of alcohol per hour, which is about one standard drink per hour for the average person.

The liver breaks down alcohol into acetaldehyde, a toxic substance that can cause damage to our liver and other organs. Acetaldehyde is then further metabolized into acetate, which can be used by our body for energy.

Alcohol metabolism in our body is a complex process that involves enzymes such as alcohol dehydrogenase and acetaldehyde dehydrogenase. The rate of metabolism depends on various factors such as age, gender, body weight, and the presence of other drugs or medications in the body.

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Answer:

22

Explanation:

when a cell goes through mitosis, it duplicates the amount of its subcellular structures, so it will create 2 more clones. So before it was 20, but one goes through mitosis and preduces two more daughter cells, meaning 22.

Answer:

22

Explanation:

its 22