Tricarboxylic acid cycle often occur in stages. In the TCA cycle, 3 oxidation(s) use(s) NAD as the oxidizing agent while 1 oxidation(s) use(s) FAD as the oxidizing agent.
Tricarboxylic acid cycle commonly called TCA cycle is also regarded as the Krebs cycle and citric acid cycle. It is known to be the second stage of cellular respiration.It consist of a three-stage process where living cells uses organic fuel molecules in the presence of oxygen to take-up energy that is needed for growth and division.
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In the TCA cycle, ____ oxidation(s) use(s) NAD + as the oxidizing agent while ____ oxidation(s) use(s) FAD as the oxidizing agent.
a. 0; 4
b. 1; 3
c. 2; 2
d. 3; 1
e. 4; 0
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What type of volcano is formed at a weak spot in the middle of a plate?
a.
lava
c.
hot spot
b.
fault
d.
plate
Hot spot volcano is the type of volcano which is formed at a weak spot in
the middle of a plate.
Hot spot volcano is an area in the Earth crust which is characterized by large
amount of heat flow in the area due to the volcanic activity. Hot spot
volcano is formed at the middle of the plate as against junctures in which
other types are formed.
The weak spot is what gives rise to the unusual heat flow which makes hot
spot volcano most appropriate.
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4. When a turbine spins, it generates electrical energy and that is where it gets its name from.
How does a paper bag wrapped around a hot water bottle create convection?
Which of the following methods of heat transfer causes the tectonic plates to move?
Conduction
Convection
Evaporation
Radiation
1. Atomic mass of 12 and 6 neutrons what is the atomic number?
Answer:
The atomic number would be 12.
Explanation:
A neutral atom of Carbon-12 contains six protons, six neutrons, and six electrons.
10. Can you write an equation to describe this?
(Investigating the pH scale)
Answer:
pH = - log [H3O+] pOH = -log[OH-]
Explanation:
How many atoms are in 2 moles of oxygen?
Answer:
6.02 × 1,023
Explanation:
One mole of oxygen gas, which has the formula O2, has a mass of 32 g and contains 6.02 X 1,023 molecules of oxygen but 12.04 X 1,023 (2 X 6.02 X 1,023) atoms, because each molecule of oxygen contains two oxygen atoms.
How many molecules are present in 2.00 mol of KCl?
Answer:
The question specified 2 moles of potassium chloride. Clearly, there are 2 moles of chloride ions. How many moles of chloride ions in 95.2 g
what is the heaviest element on the periodic table
Answer:
uranium
Explanation:
The heaviest naturally stable element is uranium, but over the years physicists have used accelerators to synthesize larger, heavier elements. In 2006, physicists in the United States and Russia created element 118.
Answer:
Uranium
Explanation:
Naturally its uranium, however scientists are artificially making bigger ones (which aren't on the periodic table).
Hope this helps!
How many grams of potassium sulphate are formed when 49g of sulphuric acid in solution are neutralised by potassium hydroxide?
1. Why are the world’s rainforests so important?
2. Predict solutions for slowing the loss of biodiversity.
3. Describe three ways humans are contributing to the loss of biodiversity.
4. How does the introduction of invasive, non-native species, threaten biodiversity?
Answer:
1.
Rainforests are important due to the amount of oxygen the tree's produce. It also adds biodiversity and more balance in the food chain of animals.
2.
If we slowed transportation and agricultural farming, greenhouse gases and carbon monoxide would be reduced magnificently.
3.
One way is that Humans are supplying demand for animal agriculture for food (when not need to). The greenhouse gases created by the factories alone are creating much of the ozone's destruction. Also, another reaction to demand of meat is, The space needed for farmland. They burn down much of the rainforest for farmland and grass for the cows and other animals. Thirdly, traveling alone and having many household luxuries aren't helping either. Lowering the use of composite resources and more wind, solar, and water energy can help the earth in total.
4.
Introducing invasive species endangers many of the other species. They could have a advantage or disadvantage over the other species. causing either over, or under, population for many of the species. Throwing the balance of it all off.
Anyone pls help me with science
Answer:
50% pups have solid fur50%, pups haven't solidfur
2. DOMINANT FF IS NOT POSSIBLE
What is the difference between an element, compound, and a mixture
Answer:
Element: Pure substance consisting of one type of atom. Compound: Pure substance consisting of two or more different atoms. Mixture: Two or more different substances not chemically combined.
Explanation:
PLEASE ADD ME AS BRAINLIEST
How long does it take an object to travel 50m at a rate of 8 m/s?
Answer:
6.25s
Explanation:
time = distance / speed
time = 50 / 8
time = 6.25s
In water is the mass of one molecule equal to the mass of one molecule in steam
Answer:
The mass of one mole of water molecule = 18 ×N
A amu
Explanation: The mass of one mole of water molecule = Mass of one molecule ×N A Also mass of one mole of water is its molar mass in grams. So the mass of one mole of water is 18 g
why must a ph meter be calibrated by using a solution with a known ph value
Answer:
A pH calibration is the process of adjusting your pH meter by measuring solutions of a known pH value. This is because the characteristics of your electrode will change over time and this needs to be compensated for. A calibration does this by matching your pH meter to the current characteristics of your pH sensor.
Explanation:
PLEASE HELP CHEMISTRY
What is the hydronium ion concentration of a solution with a POH of 6.90?
O 6.29 x 10-7 M
6.53 x 10-7 M.
O 7.18 x 10-8 M
O 7.94 x 10-8 M
Answer:
O 7.94 x 10-8 M
Explanation:
Did the test
The hydronium ion concentration of a solution with a pOH of 6.90 is 7.94 × 10⁻⁸ M.
What is the relation between pH & pOH?Relation between the pH and pOH will be represented by the below equation as:
pH + pOH = 14
Given that pOH = 6.90
So, pH = 14 - 6.90 = 7.1
Also we know that, pH = -log[H⁺]
[H⁺] = [tex]10^{-pH}[/tex]
[H⁺] = [tex]10^{-7.1}[/tex]M
[H⁺] = 7.94 × 10⁻⁸ M
Hence the concentration of hydronium ion is [tex]10^{-7.1}[/tex] M.
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What products are obtained by the electrolysis of CuSO4 solution using copper electrode ? Show with help of chemical reaction.
Answer: The products will be copper and oxygen.
Explanation: Copper electorde is an active electrode so it constantly takes part in the electrolysis. Cathode is a pure copper negative electrode and anode is a impure copper positive electrode. So the copper present in the solution, along with the copper present in the anode will come off and go to the cathode. As a result, cathode gains copper. And the remaining impurities settle down in the bottom.
In the anode, oxygen will be given off because according to the order of discharge, if SO4 is present then the ions will stay in the solution and oxygen will be released. So at the end, solution of SO4 and H2O will be remaining while copper and oxygen is extracted.
The half equations are-
Cathode: Cu2+ + 2e- = Cu
Anode: Cu + 2e- = Cu2+
Something you might not know: The solution in electrolysis turns blue when copper goes to the cathode. So copper electrodes are also used in electroplating.
What mass of sugar and water is needed to make 40 g of 10% solution?
Answer:16g
Explanation:A solution's percent concentration by mass,
% w/w
, basically tells you what mass of solute you get per
100 g
of solution.
Don’t understand this science Question.
Answer:
I got you..you need help but with which question?
Explanation:
Have a great day!
How many moles of Iron (III) Oxide are found in 429 grams of Iron III Oxide?
Answer:
2.686485288205376 Explanation:
1 grams Iron(III) Oxide is equal to 0.0062622034690102 mole.
Jacinta wrote the following passage about chemical changes.
A chemical change is a change that results in one or more new substances with different properties. When a chemical change occurs, the new substance can give off an odor, such as rotting fruit or cookies baking in the oven. Chemical changes can cause color changes, such as iron rusting and turning a reddish-brown color. When wood is burned or ingredients are mixed for baking a cake, a new substance is made.
Choose the best statement that Jacinta can add to her passage.
Chemical changes, such as rotting fruit and burning wood, are affected by temperature. More heat and energy causes a faster chemical change.
Wood burning and fruit rotting creates new substances through a chemical change that is affected by sound energy.
Rotting fruit and burning wood is a chemical change that occurs because there is a decrease in temperature. Less heat causes a faster chemical change.
When a chemical change occurs, the new substance that is created has properties similar to the original substance.
Under what conditions do you expect hydrogen gas to deviate from ideal gas behavior? Explain your answer.
Calcolate resulant force 15N <-[]->20N
Explanation:
5N right because -15N for left plus +20N for right = +5N
Do the ingredients changing into a cake in the oven a chemical reaction?
Answer:
When you bake a cake, the ingredients go through a chemical change. A chemical change occurs when the molecules that compose two or more substances are rearranged to form a new substance! When you start baking, you have a mixture of ingredients. The flour, egg, sugar,
Explanation:
I need help with stoichiometry
The diagram shows Earth's position in its orbit around the Sun at the beginning of each season
Which position of Earth shows the Moon located where its shadow may sometimes reach Earth?
The position where the moon is located where its shadow may sometimes reach Earth is position A .
What is an eclipse?We know that in the outer space there are a lot of celestial bodies that can be found. Now we know that a celestial body is one that can be found in the outer space and the moon and the sun are all parts of the celestial bodies that we can find in the solar system.
In this case we are being asked for the position of the moon that could lead to an eclipse where the moon would come between the earth and the sun and that is the position A.
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what is the number of protons in a neutral atom with 31 electrons and 38 neutrons?
31
I think. Protons and electrons share the same number as well as the atomic number.
Answer:
31 protons
Explanation:
Protons are positively charged and electrons are negatively charged so if it is a neutrally charged atom (which most are) the protons and electrons will be equal.
How is a chemical equation different from mathematical equation?
Only chemical equation uses + sign
Only chemical equation uses arrow instead of = sign
Only chemical equation has numbers
Only chemical equation has minuses
Answer:
Only chemical equation uses arrow instead of = sign
Answer:
Only chemical equation uses an arrow instead of a = sign.
A chemical equation depicts a chemical reaction by utilising chemical formulae and symbols to depict the reactants, products, and chemical changes that take place. In a chemical equation, the arrow indicates the direction of the reaction and is commonly depicted as a single arrow pointing from the reactants to the products. In contrast, the equals sign (=) is commonly used in mathematical equations to indicate that two expressions have the same value.
While numbers are used to indicate the relative proportions of reactants and products and minus signs are used to indicate reactants or products in the form of ions, the arrow is the most distinguishing feature that distinguishes chemical equations from mathematical equations.
Evaluate: (12)2 ×102 −6.3 ÷2.1
21.4 A
22 B
9.3 C
75 D HELP PLS
Answer:
answer is 2,445..or B as its noted