In ATP formation from the oxidation of carbon compounds, the reaction that does not occur is "reduction."
ATP is formed through oxidative phosphorylation, where carbon compounds are oxidized to release energy, which is then used to generate ATP.
During oxidative phosphorylation, the electron transport chain accepts electrons from NADH and FADH2, which are produced during glycolysis and the citric acid cycle.
Oxidative phosphorylation occurs in the mitochondria of the cell and is the final step in the process of ATP formation. During this process, the energy stored in NADH and FADH2 is used to generate a proton gradient across the inner membrane of the mitochondria. This gradient is then used to drive the production of ATP through a process known as ATP synthase.
As electrons pass through the electron transport chain, protons are pumped across the mitochondrial inner membrane, generating a proton gradient. This gradient drives the synthesis of ATP by ATP synthase.
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In one paragraph answer the following question:
Explain how you can observe a chemical change
Answer:
below :)
Explanation:
Question: how can you observe a chemical change?
well first let’s review what even are a chemical changes characteristic, which are: color change, formation of a precipitate, formation of a gas, odor change, temperature change
Also as we know, unlike a physical change, a chemical congé can’t reverse back
Ex- physical change would be water, since it can always change back and through it’s different forms
Ex - chemical change would be baked dough, since the temperature increased, causing the dough to change chemically and be cooked. Hence, it can’t be changed back.
With this information, you could write:
There are five main ways to observe a chemical change. These include a change in color, odor change, formation of a gas, temperature change, and formation of precipitate. First, an example of a chemical color change is metal rusting over time. The color of metal, which is a silver, changes to a orange/brown color and cannot be changed back. Secondly, a formation of precipate change would be soap, “which is actually a precipitate that forms when minerals in hard water react with soap molecules.” (Five Characteristics of a Chemical Change) Thirdly is a formation of gas, which would be like burning would, since it relases smoke, aka a gas. Fourthly, and odor change, which would be an egg rotting. Over time, as the egg last, it starts to rot as it’s chemical coumpinds breakdown and cannot be reversed. Lastly, a temperature change. An example of this is when you mix two chemicals together and they release heat. These are all examples of chemical changes and how to spot them.
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A 6.0 MGD plant must feed 15 ppm of ferric chloride to achieve its treatment objectives. The plant has a single feed pump that can deliver 500 pounds per day of this chemical. What is the maximum flow rate at which this plant can operate
The maximum flow rate at which this plant can operate is 0.28
We know that a 6.0 MGD plant must feed 15 ppm of ferric chloride to achieve its treatment objectives.
We are also told that the plant has a single feed pump that can deliver 500 pounds per day of this chemical.
Using the formula : F = (W / C) × 8.34 / D
where :
F = flow rate in MGD
W = chemical feed rate in pounds per day
C = desired concentration in ppm
D = chemical density in pounds per gallon (we can assume 12.5 for ferric chloride)
We can substitute the given values : F = (500 / 15) × 8.34 / 12.5F = 0.2796
The maximum flow rate at which this plant can operate is 0.28 MGD (rounded to two decimal places).
Therefore, the answer is 0.28.
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who developed the idea of the atomic nature of matter
The idea of the atomic nature of matter was first developed by John Dalton.
He introduced the atomic theory, which proposed that matter was made up of tiny, indivisible particles called atoms. This theory was based on his observations and experiments on the behavior of gases
.Dalton's atomic theory had several postulates that helped explain the properties of matter. These postulates were:
All matter is made up of atoms, which are tiny, indivisible particles
.Each element is composed of atoms that are identical in size, shape, and chemical properties.
Atoms of different elements have different sizes, shapes, and chemical properties.
Atoms combine in fixed ratios to form compounds, and the ratios of their masses are related by whole numbers.
Atoms are indestructible and cannot be created or destroyed in chemical reactions
.However, Dalton's atomic theory was later modified and expanded upon by other scientists, including J.J. Thomson, Ernest Rutherford, and Niels Bohr, as new discoveries about the structure and behavior of atoms were made.
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Complete the statements to describe what happens, use the terms increase, decrease or remain unchanged to fill in the blank. Phase 1: ice only with temperature −10 ∘
C. Phase 2: mixture of ice and water with temperature 0 ∘
C. Phase 3: water only with temperature 0 ∘
C. Phase 4: water only with temperature 100 ∘
C. Phase 5: Mo water with temperature 100 ∘
C. a) Between phase 1 and 2, thermal energy and temperature b) Between phase 2 and 3 , thermal energy and temperature c) Between phase 3 and 4 , thermal energy and temperature d) Between phase 4 and 5 , thermal energy and temperature
The thermal energy increases because the water absorbs the heat energy.
Given, Temperature of ice only, Ti = -10℃
Temperature of mixture of ice and water, T2 = 0℃
Temperature of water only, T3 = 0℃
Temperature of water only, T4 = 100℃
Temperature of Mo water, T5 = 100℃
a) Between phase 1 and 2, thermal energy increases and temperature remains unchanged.
In phase 1, the ice has a temperature of -10℃. When the ice is heated, its temperature remains constant at 0℃ until all the ice melts. The heat energy required to convert ice to water is called the heat of fusion.The thermal energy increases because the ice absorbs the heat energy.
b) Between phase 2 and 3, thermal energy increases and temperature increases.
In phase 2, we have a mixture of ice and water with a temperature of 0℃. When we heat this mixture, its temperature rises until it reaches 100℃.The thermal energy increases because the heat energy is absorbed by the water and the ice in the mixture.
The heat energy required to increase the temperature of a substance is called its specific heat capacity.
c) Between phase 3 and 4, thermal energy increases and temperature remains unchanged.In phase 3, we have water only with a temperature of 0℃. When we heat the water, its temperature remains constant at 100℃ until all the water evaporates. The heat energy required to convert water to steam is called the heat of vaporization.The thermal energy increases because the water absorbs the heat energy.
d) Between phase 4 and 5, thermal energy increases and temperature remains unchanged.
In phase 4, we have water only with a temperature of 100℃. When we heat the water, it is converted to steam.
The steam has a temperature of 100℃ but it is not the same as the boiling water because it has absorbed a lot of heat energy and has expanded to about 1500 times its volume.
The thermal energy increases because the water absorbs the heat energy.
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write this number in scientific notation 41, 820, 000
Answer:
4·1×10∧-7Explanation:
\(\mathrm {Hey, there!}\)
Let's solve your problem -
The answer to the question is 4.18 10^7.
Here is my clarification/explanation to support:
To convert a standard number to scientific notation, we have to move the decimal point up until we have a 1 digit number.
When we keep moving the decimal point, we get 4.18
Now, we will count the numbers after the 8 to get the 10 area.
There are five numbers after the 8, so we get 10^5.
Now, we will add 2 more to the 5, we get 10^7
Our answer will be: 4.18 10^7
\(\mathrm {Best, of, Luck!}\)
draw a product of bromination of this alkene. clearly indicate stereochemistry at each chiral carbon by drawing a wedged bond, a dashed bond and two in‑plane bonds.
Answer:
The product of bromination is alkene. So the answer should be none.
Explanation:
During bromination, alkene is formed. Alkenes can react with pure liquid bromine and bromine that has been dispersed in a solvent like tetrachloromethane in the cold.
What is bromination?An illustration of such an electrophilic aromatic nucleophilic substitution is the bromination of benzene. In this reaction, an intermediate is produced when the electrophile (bromine) makes a sigma bond with the benzene ring.
The intermediate is then stripped of a proton to create a replacement benzene ring. During bromination, alkene is formed. Alkenes can react with pure liquid bromine and bromine that has been dispersed in a solvent like tetrachloromethane in the cold. When a substance undergoes bromination, bromine is added towards the compound as a result of the chemical process.
Therefore, during bromination, alkene is formed.
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Which of these types of changes is a physical change?
A. Breaking apart one substance into two substances
B. Dissolving one substance in another
C. Changing one substance into another
D. Making a new substance
Please helpppp i'll love you forever
The correct answer is A. Can I get the Brainliest?
PART A QUESTION 1 (a) (b) (c) (d) Use an appropriate diagram to elucidate the generation of characteristic X-ray in an atom. Explain how the X-rays are produced in an X-ray tube. C2 SP1 C2 SP3 Are X rays reflected by bone tissues? Provide your comments on the image difference between soft and hard tissue obtained in an X-ray film. C5 SP4 State ONE (1) type of physical injury where an X-ray device is used for diagnostic purpose. C2 SP3
(a) Diagram of characteristic X-ray generation in an atom:
[Note: Due to the limitations of text-based communication, I'm unable to provide a visual diagram. However, I'll explain the process in the following text.]
(b) Explanation of characteristic X-ray generation:
When high-energy electrons collide with an atom, they can knock out inner shell electrons, creating vacancies. Outer shell electrons then transition to fill these vacancies, releasing energy in the form of X-rays. These X-rays are called characteristic X-rays and have specific energies corresponding to the energy differences between different electron shells.
(c) X-ray production in an X-ray tube:
An X-ray tube consists of a cathode and an anode enclosed in a vacuum. The cathode emits a stream of high-speed electrons through a process called thermionic emission. These electrons are accelerated by a high voltage and directed towards the anode. As the fast-moving electrons collide with the anode, X-rays are produced through two main processes: bremsstrahlung radiation (braking radiation) and characteristic X-ray emission.
In bremsstrahlung radiation, the electrons are decelerated by the positively charged anode, causing them to emit X-rays with a continuous spectrum of energies. Characteristic X-ray emission occurs when the high-speed electrons displace inner shell electrons in the anode, leading to the generation of characteristic X-rays specific to the anode material.
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a student prepared a stock solution by dissolving 2.50 g of koh in enough water to make 150. ml of solution. she then took 15.0 ml of the stock solution and diluted it with enough water to make water to make 65.0 ml of a final solution. what is the concentration of koh for the final solution? a student prepared a stock solution by dissolving 2.50 g of koh in enough water to make 150. ml of solution. she then took 15.0 ml of the stock solution and diluted it with enough water to make water to make 65.0 ml of a final solution. what is the concentration of koh for the final solution? 0.0891 m 11.2 m 0.0686 m 14.6 m
The concentration of KOH in the final solution is 0.0686 M.
To determine the concentration of KOH in the final solution, follow these steps:
1. Calculate the moles of KOH in the stock solution:
Moles of KOH = mass (g) / molar mass (g/mol)
Moles of KOH = 2.50 g / 56.11 g/mol (molar mass of KOH) = 0.0446 mol
2. Calculate the concentration of the stock solution:
Concentration (M) = moles of solute / volume of solution (L)
Concentration = 0.0446 mol / 0.150 L = 0.297 M
3. Use the dilution formula to find the final concentration of KOH:
C1V1 = C2V2, where C1 is the initial concentration, V1 is the initial volume, C2 is the final concentration, and V2 is the final volume.
0.297 M (concentration of stock solution) × 0.015 L (volume of stock solution used) = C2 × 0.065 L (final volume of solution)
4. Solve for C2 (final concentration):
C2 = (0.297 M × 0.015 L) / 0.065 L = 0.0686 M
The concentration of KOH in the final solution is 0.0686 M.
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what is halogenation with explanation
Circle the solution with the highest concentration
a. 5.0M
c. 0.6M
b. 1.0M
d. 0.75M
Answer:
answer is option a..............
B. Calculate how many atoms of hydrogen are in 1. 75 moles of glucose (c6h12o6).
Answer:
1.26x10^25 atoms of hydrogen
Explanation:
because there are 12 atoms of hydrogen in a molecule of glucose, multiply 12 by Avogadro's number (6.02x10^23) to get how many molecules of hydrogen there are in a mole of glucose. Then multiply that number by 1.75, which is the number of moles of glucose there is in this problem.
What is the definition of a Brønsted-Lowry base? O A. A Brønsted-Lowry base transfers a proton to something else. OB. A Brønsted-Lowry base accepts a proton from something else. C. A Brønsted-Lowry base donates an electron pair to something else. O D. A Brønsted-Lowry base accepts a hydroxide ion from something else.
Answer:
the answer is option B it is a proton acceptor
What units are appropriate to express specific heat?.
Answer:
joules per gram per degree (J/goC) or calories per gram per degree (cal/goC).
Explanation:
Answer:
Joules, Kelvin, or calories
Explanation:
1. Which sequence correctly places the elements in order
of increasing ionization energy?
A) H – Li – Na - K
B)I Br – Cl F
C) O - S - Se - Te
D) H - Be - Al – Ga
The periodic chart shows expected differences in ionization energy. In groups, the ionization energy falls from top to bottom and rises from left to right. As a result
K-Na-Li-H
I-Br-Cl-F
Te- Se - S-O
H - Be - Al – Ga
The energy needed to free the most slackly held electron from a gaseous atom or ion is known as the ionization energy. In general, ionization energy rises over time and falls as a group. The nuclear charge experienced by the valence electron is known as the effective nuclear charge.
Simply said, the electron cannot leave its orbit on its own. In order for it to leave the orbit, some external energy must be given. Ionization energy is the name for this necessary energy.
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Which step of a scientific investigation tests the hypothesis?
Select one:
1. researching past scientists' work
2. analyzing data
3. conducting the experiment
4. asking a scientific question
You need to make an aqueous solution of 0.194 M potassium acetate for an experiment in lab, using a 125 mL volumetric flask. How much solid potassium acetate should you add
To prepare 0.194 M potassium acetate, add 2.379895 g of potassium acetate to a 125 mL volumetric flask and fill with water to the mark.
Define molarity of a solution.Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as the moles of a solute per litres of a solution.
The following data were obtained from the question:
Molarity of potassium acetate = 0.194 M
Volume of solution = 125 mL
Mass of potassium acetate =?
Next, we shall convert 125 mL to L. This can be obtained as follow:
1000 mL = 1 L
Therefore,
125 mL = 0.125 L
Thus, 125 mL is equivalent to 0.125 L.
Next, we shall determine the number of moles of potassium acetate in the solution. This can be obtained as follow:
Molarity of potassium acetate = 0.194 M
Volume of solution = 0.125 L
Moles of potassium acetate =?
Molarity = \(\frac{mole}{Volume}\)
Cross multiply
Mole of potassium acetate = 0.194 M × 0.125
Mole of potassium acetate = 0.02425 mole
Finally, we shall determine the mass of potassium acetate
Molar mass of potassium acetate= 98.14 g/mol
Mass of potassium acetate =?
Mole = \(\frac{mass}{Molar mass}\)
Mass of potassium acetate =0.02425 × 98.14
Mass of potassium acetate = 2.379895 g
Thus, to prepare 0.194 M potassium acetate, add 2.379895 g of potassium acetate to a 125 mL volumetric flask and fill with water to the mark.
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the ir spectrum of the product (in this experiment) should indicate the presence of a new -------------
The IR spectrum of the product in this experiment should indicate the presence of a new functional group.
IR spectroscopy measures the absorption or transmission of infrared radiation by a molecule. Different functional groups have specific vibrational frequencies that can be detected in the IR spectrum.
Therefore, the appearance of a new peak or peaks in the IR spectrum of the product compared to the starting material would suggest the presence of a new functional group.
For example, the appearance of a broad peak around 3300 cm^-1 would indicate the presence of an alcohol (-OH) group, while a peak around 1700 cm^-1 would indicate the presence of a carbonyl (C=O) group.
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A 716.4g sample of iron is subjected to a temperature change of -33.47°C while releasing 996.6 joules of heat. What is the specific heat capacity of iron?
Answer choices:
29.8 J/g°C
0.04 J/g°C
-0.04 J/g°C
1.39 J/g°C
Answer:
Specific heat capacity of iron (c) = -0.04 J/g°C
Explanation:
Given:
Mass of sample of iron M = 716.4 gram
Change in temperature Δt = -33.47°C
Heat energy Q = 996.6 joules
Find:
Specific heat capacity of iron (c)
Computation:
We know that
Q = McΔt
So,
c = Q / M[Δt]
Specific heat capacity of iron (c) = 996.6 / (716.4)(-33.47)
Specific heat capacity of iron (c) = 996.6 / -23,977.908
Specific heat capacity of iron (c) = -0.0415
Specific heat capacity of iron (c) = -0.04 J/g°C
Q.1 Name the following:
1. A crystalline allotrope of carbon built up from a hexagonal unit.
2. An allotrope of carbon used for the manufacture of coke.
3. An amorphous allotrope of carbon which floats on water.
4. An acid formed when carbon dioxide is dissolved in water under pressure.
5. The gaseous product obtained when carbon monoxide is passed over heated iron (III) oxide.
Answer:
Sorry, i also don't know the answer to this.
According to the solubility graph, approximately how many grams of KCI are needed to saturate 100 grams of at 50 ?
The solubility of KCl at 50 °C is 43.0 g of KCl per 100 g of water. Hence, the mass of the solute is 43.0 g in 100 g of water.
100 grammes of water at 20 C needs to be saturated with how many grammes of KCl?The solution to the problem tells you how much potassium chloride, or KCl, dissolves in 100 grammes of water at 20 degrees Celsius.
In 100 g of water at 40 °C, how many grammes of KCl are required to create a saturated solution?Water serves as the solvent in this solution, which contains potassium chloride as the solute. 40 degrees Celsius is the constant temperature. Hence, 36g of solute dissolve in this solution.
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a 35.66g sample of copper is heated using 600j of energy. if the original temperature of the copper is 85C what is its final temperature?
Specific heat of copper: 0.38j/gC
A -6.39
B 6.39
C -78.61
D 91.4
This problem is providing the mass, energy, initial temperature and specific heat of a sample of copper that is required to calculate the final temperature.
Thus, we recall the general heat equation:
\(Q=mC(T_f-T_i)\\\)
Which has to be solved for the final temperature, \(T_f\) as follows:
\(T_f=T_i+\frac{Q}{mC}\)
Finally, we plug in the numbers to obtain:
\(T_f=85\°C+\frac{600J}{35.66g*0.38\frac{J}{g\°C} } \\\\T_f=129.3\°C\)
However, this result is not given in the choices.
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https://brainly.com/question/14383794Which of the following statements on HPLC modes is true? A. Increasing the polarity of the mobile phase decreases the elution time of polar compounds in normal-phase HPLC B. A non-polar stationary phase is used in normal-phase HPLC C. Compounds have a lower attraction to the mobile phase than to the stationary phase in displacement development D. A polar stationary phase is used in reversed-phase HPLC E. More polar compounds elute first in normal-phase HPLC
The following statements on HPLC modes are true is more polar compounds elute first in normal-phase HPLC (Option E).
The liquid chromatography (HPLC) is a technique in analytical chemistry employed for the separation, identification, and quantification of elements. It is considered a highly sensitive method, and it works by separating the components in a mixture with the assistance of a solvent under high pressure.
There are two modes of HPLC: Reversed-Phase HPLC (RP-HPLC) and Normal-Phase HPLC (NP-HPLC). In RP-HPLC, a nonpolar stationary phase, such as C18, is used, and polar solvents, such as water, are used as mobile phases. Polar stationary phases, such as silica gel, are used in NP-HPLC, while nonpolar solvents, such as hexane, are used as mobile phases.
More polar compounds have a greater affinity for the polar stationary phase than less polar compounds, which have a higher affinity for the nonpolar mobile phase in NP-HPLC. As a result, less polar compounds elute first in normal-phase HPLC.
Thus, the correct option is E.
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How many grams of sugar (C12H11O22) do you need to add to 1/2 cup (120.0mL) of water in order to raise the boiling point up to 300° F (150.° C)? Show all work
As the pressure of a system increases, what happens to the volume?
To answer this, we use Boyle's Law:
States that, at constant temperature, the pressure P of a gas varies inversely with its volume V.
So, if the pressure increases, the volume will decrease.
Answer: The volume decreases.
The molecule CH,Cl has four atoms arranged around one central atom. What is the shape of the molecule? (1
point)
Answer:
tetrahedral
Explanation:
it sounds like a tetrahedral shape, which is when there are four bonds and no lone pairs around the central atom in the molecule.
Help please Where does your water come from? Your tap or a bottle is not a valid answer.
where the water is actually collected, where it comes from originally, and how it actually gets
delivered to our houses in Southern California
Answer:
-water is collected from nearby water holes and put in a water tower after it's clean
Answer:
Your water comes from rivers and streams.
Explanation:
The water is collected from rivers and stream and gets delivered from the storage tank to the pipes of our house
At a chemical level, alcohol addiction results in chemical changes that
A. cause the body to crave alcohol.
B. destroy all GABA receptors.
C. reduce levels of serotonin and dopamine within the brain.
D. increase cellular develop in the medulla oblongata
At a chemical level, alcohol addiction results in chemical changes that A. cause the body to crave alcohol.
Alcohol addiction can cause the body to crave alcohol. Chronic alcohol use can lead to changes in the brain's reward and pleasure pathways, affecting neurotransmitters and signaling systems involved in reward and reinforcement. These changes can result in cravings for alcohol, as the brain associates alcohol consumption with pleasurable effects.
Alcohol addiction involves complex interactions and changes within the brain and body, and the specific mechanisms and effects can vary among individuals.
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is energy absorbed or released to separate the atoms in water molecules
Answer:
First of all, Energy is released when water molecules bond.
Explanation:
When a bond is formed its stability increases from their respective atoms. So energy is released but when we are breaking a bond we are changing a compound to a lower energy state to higher energy state it's stability decreases and requires a bit of extra energy higher stability of bond higher energy required to break it…
Suppoe that you ue 4. 25 g of Iron in the chemical reaction: 2Fe() 3Cu2(aq) rightward arrow 2Fe3(aq) 3Cu(). What i the theoretical yield of Cu(), in gram?
Theoretical yield of copper is 7.22 g when 4.25g of iron in the chemical reaction.
2Fe(s) + 3Cu2(aq.) ----> 2Fe3(aq.) + 3Cu (s)
Molar mass of Iron (Fe) is 56g/mole.
Molar mass of copper (cu) is 63.5g/mole.
2 mole ( 2 * 56g/mole) Iron produces = 3 mole ( 3 * 63.5g/mole ) copper
Theoretical yield is the maximum amount of product that could be formed from the given amounts of reactants. The actual yield is the amount of product that is actually formed when the reaction is carried out in the laboratory. The theoretical yield is the amount of product that would be formed from a reaction if it was 100% efficient.
There are 4. 25 g of Iron .so,
4.25 g Iron produces = (3 * 63.5g / 2 * 56 g ) * 4.25 g copper
= 7.22 g copper
Theoretical yield of copper is 7.22g.
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