Pyruvate is converted to lactate in anaerobic conditions by anaerobic glycolysis. During anaerobic respiration, two ATP molecules are produced.
What is the primary step in glycolysis?
The method by which glucose is metabolized to produce energy is known as glycolysis. It generates water, ATP, NADH, and two pyruvate molecules. It doesn't need oxygen to happen because it happens in a cell's cytoplasm. Both in aerobic and anaerobic organisms, it happens.
How is glycolysis referred to?
Gustav Embden, Otto Meyerhof, & Jakub Karol Parnas identified the Embden-Meyerhof-Parnas (EMP) pathway, which is the most typical kind of glycolysis. The Entner-Doudoroff pathway and several heterofermentative & homofermentative pathways are examples of additional pathways that are included in the term "glycolysis."
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In anaerobic circumstances, anaerobic glycolysis converts pyruvate to lactate. Two ATP molecules are created during anaerobic respiration.
What is the first stage of glycolysis?The process of converting glucose into energy is known as glycolysis. Water, ATP, NADH, and two pyruvate molecules are produced. It does not require oxygen to occur since it occurs in the cytoplasm of a cell. It occurs in both aerobic and anaerobic species.
How is glycolysis defined?The Embden-Meyerhof-Parnas (EMP) route, which is the most common kind of glycolysis, was discovered by Gustav Embden, Otto Meyerhof, and Jakub Karol Parnas. Additional processes included in the word "glycolysis" include the Entner-Doudoroff pathway and numerous heterofermentative and homofermentative pathways.
Here,
Anaerobic glycolysis converts pyruvate to lactate under anaerobic conditions. During anaerobic respiration, two ATP molecules are produced.
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How many atoms are there in a 2 moles of oxygen atoms? How many atoms are there in 2 moles of oxygen molecules?
For 2 moles of oxygen atoms, there are Avogadro's number (6.022 x 10^23) atoms. For 2 moles of oxygen molecules, there are twice that amount, or 12.044 x 10^23 atoms.
What are Atoms?
Atoms are the smallest particle of any element that still maintains the properties of that element. Atoms are made up of a nucleus surrounded by one or more electrons. The nucleus is composed of protons and neutrons, and the electrons orbit around the nucleus. Atoms of different elements have different numbers of protons, neutrons, and electrons, which is what gives them their unique properties.
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Classify the reaction in each of the following equations.
a. FeCl2 (aq) + Mg → MgCl2 (s) + Fe(s)
b. NH3 (g) → N2 (g) + H2 (g)
Answer
a. Single displacement
b. Decomposition
When classifying chemical reactions, consider how reactants change to form the products.
An equation for a chemical reaction has a left side and a right side. The arrow separates the left and right sides.
The left side is called the reactants. The right side is called the products.Each product or reactant can be one or more elements.
Some Types of ReactionsWe can use letters* to represent products and reactants in a reaction.
SynthesisTwo reactants become one product.
A + B → ABDecompositionOne reactant becomes two products.
AB → A + BIn equation (b), this is like how NH₃ separated into two products, N₂ and H₂.Single DisplacementStart with two reactants, a compound and an element. To form the products, the element replaces one of the elements that was in the compound.
AB + C → AC + BIn equation (a), this is like how Mg replaced Fe. Fe was part of a compound at first. Now, Mg is part of a compound instead.Double DisplacementStart with two reactants that are compounds. To form the products, an element from each compound replaces each other.
AB + CD → AC + BDTherefore, equation (a) is a single displacement reaction and equation (b) is a decomposition reaction.
*Each letter represents an element. Two elements make a compound. A letter can also represent a compound if compound stays together during the reaction.
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Provided below are pictures of three different scnearios in which two different chemicals are mixed together. for each scenario, make a claim about whether or not a chemical reaction is occuring. Provide evidence and reasoning to support your claim. If a reaction cannot be determined based on the provided picture, explain why not and how you could determine if a reaction has occured. Use specific examples in your explanation.
Looking at the images that we have, we can see that there is a reaction in the images A and C.
What is a reaction?We would need to settle in our minds what is implied when we talk about a chemical reaction. You have to know that if we are talking about a chemical reaction then we are talking about the kiondfs of reaction that would lead to the following observations;
1) There is a change in the temperature of the system
2) There is an effervescence of gas in the system
3) There is a change in color
4) There is the appearance of a solid in the system
We would now have to look at all the setups that we have here and we have to look at it in such a way that we could know if there is a reaction that is going on in any of them as shown.
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Which would best describe the properties of lodine?
a. Not reactive with any other element
b. Not malleable, not ductile, lower density
c. Malleable, ductile, conductive
d. Exists as a gas
I'm pretty sure it's B :)
A sample of a substance was heated strongly in a crucible, and the sample increased in mass.
This is evidence that
A. A gas had been evolved.
B. The substance had melted.
C. The substance had sublimed.
D. A chemical change had taken place.
O E. A change of state had occurred.
When a sample of a substance was heated strongly in a crucible, the sample increased in mass. This is evidence that a chemical change has taken place.
In a closed system, when no heat or energy is applied, the mass of a substance will remain the same. But, when heated at high temperatures, the average kinetic energy of the particles of a substance increase due to which the particles will move faster, and collide with each other and take up more space. There will be transfer of energy due to application of heat. As a result of this the mass of the sample also increases.
Hence, option D is correct
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Consider the below electrochemical cell at standard conditions. Which of the following changes
would result in a voltage larger than 1.29 V?
4MnO4- (aq) + 4H+ (aq) + 4MnO2 (s) + 3O2 (g) + 2H2O E° = 1.29 V
a. Increase the partial pressure of oxygen gas.
b. Increase the mass of solid manganese(IV) oxide present.
C. Increase the pH.
d. Increase the concentration of potassium permanganate.
girl i need help with this toofrom the electrochem lab :(
funny how i found this
86. Consider the carbon-nitrogen bonds shown below:
CEN and
Η
Η
|
H-C-N:
||
Η Η
Which bond is shorter? Which is stronger?
Answer: I belive it is HH to h-c-n
Explanation: yea
Vines grow straight until they find something to grow around. What is
responsible for this adaptation?
Answer:
No matter how a seed is planted, the root will orient itself towards the pull of gravity in the downward direction. This is known as geotropism.
Why does the water creep up the paper? Explain this. Draw the molecular interactions associated with the macroscopic observation.
( I only need the drawing to be honest and I would really appreciate it if you could explain it)
Capillary action involves the hydrogen bonding in water.
What is capillary action?We have to note that when we are talking about capillary action, what we mean is the movement of water up the paper. We know that this movement of water would have a lot to do with the kind of intermolecular interaction that is going on.
Note that the water is composed of polar O-H bonds that can be able to interact with the -OH bonds that can be seen in the cellulose that is water and this accounts for the capillary action in water.
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What is the mass of 10 g?
The amount of matter contained within an object is commonly referred to as mass. The most typical way to measure it is as inertial mass, which refers to an object's resistance to acceleration under the influence of a net force.
Although the size of an object and its mass are frequently associated, larger objects do not always have more mass. For instance, an inflated balloon would have substantially less mass than a silver golf ball. Although there are numerous alternative units used to describe mass around the world, the kilogram is the accepted unit of mass according to the International System of Units (SI) (kg).
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Which statement best describes the sun earth moon system during a spring tide
The moon the sun and earth form a right angle
The sun the moon and earth are in a straight line
The sun is between moon and earth
The moon is in the first quarter face
Answer:
yung una po
Explanation:
kasi meron yan sa grade 6
Answer:
The Answer Is B The Sun,The Moon,And Earth Are In A Straight Line
Explanation:
Hope This Helps!
A mixture of gases contains oxygen, nitrogen, and hydrogen at 0 degrees Celsius. The partial pressure of the oxygen gas is 20 kPa, the partial pressure of nitrogen gas is 40 kPa, and the partial pressure of hydrogen gas is 14 kPa. What is the total pressure exerted
The total pressure exerted by the gas mixture is 74 kPa.
What is hydrogen?Hydrogen is an odorless, colorless, and tasteless gas that is the most abundant element in the universe. It is the lightest of all elements and is a component of many compounds, such as water and hydrocarbons. Hydrogen has the highest energy content of any common fuel, making it an attractive energy source. Additionally, it is utilised in the manufacture of fertiliser, polymers, and pharmaceuticals as well as a propellant.
This is calculated by adding up the partial pressures of each individual gas in the mixture, which in this case is 20 kPa for oxygen, 40 kPa for nitrogen, and 14 kPa for hydrogen. 20 + 40 + 14 = 74
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HOW TO DO THIS QUESTION PLEASE
Answer:
solid
Explanation:
lithium is a solid so it would still be solid since it is at 100 degrees and has not yet gotten to 180 degrees which is when it melts
HELPPPP!!! SHOW WORK
On the day this exercise was written, atmospheric pressure was 745.8 mm Hg. Calculate the pressure in units of atmospheres, cm Hg, lbs./in2, and torr
Answer:
1) 0.98 atm
2) 74.58 cmHg
3) 14.47 lbs./in²
4) 745.8 torrs
Explanation:
We are given the atmospheric pressure as 745.8 mmHg
1) Converting mmHg to atmospheres(atm), we divide the pressure by 760.
P = 745.8/760
P = 0.98 atm
2) Converting mmHg to cmHg, we multiply the pressure by 0.1;
P = 745.8 × 0.1
P = 74.58 cmHg
3) Converting mmHg to lbs./in², we divide the pressure by 51.75;
P = 748.5/51.715
P = 14.47 lbs./in²
4) Converting mmHg to torrs, we multiply the pressure by 1;
P = 745.8 × 1
P = 745.8 torrs
How do you find a proton number?
To find a proton number, we can use the Periodic Table of the Elements.
What is the Periodic Table of the Elements?The Periodic Table of the Elements is a table that organizes all discovered chemical elements in rows and columns according to the increasing atomic number.
To find the numbers of protons using this periodic table, first, we have to find the element on the periodic table. Using the columns (group) or rows (period) can make the element easier to find on the table.
Second, find the element’s atomic number, which is located above the element symbol, in the upper left-hand corner of the square. This atomic number will tell us how many protons make up a single atom of that element. For example, Boron (B) has an atomic number of 5, consequently it has 5 protons.
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The electron-domain geometry of the AsF6- ion is octahedral. The hybrid orbitals used by the As atom for bonding are ________ orbitals.
The AsF6- ion has an octahedral electron-domain shape. Sp3d2 orbitals are the hybrid orbitals that the As atom utilizes for bonding.
The octahedral geometry of AsF6-. All six fluorine atoms are sp3d2 hybrid orbitals with the central arsenic atom, and they all form 90° and 180° bond angles in an octahedral geometry. Arsenic(As), with atomic number 33, is the main atom in the AsF6-. Configuration of the formula As(33)=[Ar]3d104s24p3. As a result, As' valence shell contains five electrons. It can therefore create five single bonds with a fluorine atom and one more single bond with a fluorine atom as a result of one negative charge. Consequently, there are six bond pairings in total.
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what are the two quantities in this module for which we will develop unit factors to do dimensional analysis with chemical substances?
Dimensional evaluation makes use of conversion elements to use the unit in an quantity into an equal amount expressed with a exclusive unit.
For example, a conversion aspect might be used to transform meters to centimeters. Dimensional evaluation (additionally referred to as aspect label approach or unit evaluation) is used to transform from one set of gadgets to another. This approach is used for each simple (ft to inches) and complex (g/cm3 to kg/gallon) conversions and makes use of relationships or conversion elements among exclusive units of gadgets. A conversion ratio (or unit aspect) is a ratio same to one. This ratio includes the names of the gadgets for use withinside the conversion. It may be used for conversions in the English and Metric Systems, in addition to for conversions among the systems. The conversion unit is primarily based totally upon the idea of equal values.
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Cuál es la densidad (g/ml) de un líquido de batería de automóvil, si tiene un volumen de 0,125 L y una masa de 155g??
Answer:
xbvmyyyxxxsaqqqeerzdyxctzzvjmih
A screw has _____ over the cylinder.
corkscrew-shaped ridge
What is a screw’s output?The screw’s applied force (output force) is always larger than the screw’s applied force (input force). As a result, a screw’s mechanical advantage is always larger than one.Screws are a type of basic machine. They have a thread, which is a corkscrew-shaped ridge wrapped around a cylinder. When driving in a screw, the head is particularly designed to allow a screwdriver or wrench to hold the screw.
Another sort of inclined plane is the screw. When an inclined plane wraps around a straight rod-like structure, a spirally grooved surface with a pointed end is generated. It serves to keep things together.
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at the left.
2. Which of the following is not a
chemical change? E
A leaves turning color
B fruit ripening
C silver tarnishing
D food coloring dissolving in water
Answer:
D
Explanation:
there is no new substance formed
water is added to 5g of nacl, resulting in a total solution volume of 100 mL. what is the molarity of the nacl solution
A total volume of 100 mL of solution is created by mixing 5g of NaCl with water. The NaCl solution has a molarity of 0.151515.
Weight of NaCl=5 gm.
No.of moles of NaCl = Weight/ Mole .Wt =5/58.5= 0.08547
Weight of water= 100 gm.
Number of water moles = Weigh/Mole Wt =100/18=5.55556
Mole. Fraction of NaCl
=No.of moles of NaCl/ No.of molesNaCl+H2O =0.08547/(0.08547+5.55556)
=0.08547/5.64103 =0.151515
The amount of moles of a solute in a litre of solution is known as its molarity. A capital M is used to represent molarity.
A solution in chemistry is a combination of two or more compounds in which neither ingredient undergoes a chemical transformation. For instance, salt water is a solution that contains both salt and water (the solvent) (the solute). The concentration of a material in a solution is its amount of dissolution. In other words, it refers to the number of ingredients that have been added to your drink. In molarity, concentration is often expressed.
A mole is a fundamental chemical unit. It is the mass of a substance (in grammes) that has the same number of atoms, molecules, or ions as 12 grammes (6.022 x 1023) of carbon-12.
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What is the molecular formula of the molecule in figure 3
Answer: The molecular formula of the molecule is [tex]CH_3OH[/tex]
Explanation:
Molecular formula is the chemical formula which depicts the actual number of atoms of each element present in the compound.
The given compound contains one carbon atom, four hydrogen atoms and one oxygen atom.
It is an alcohol with functional group -OH and with molecular formula of [tex]CH_3OH[/tex] named as methanol.
The molecular formula of the molecule is [tex]CH_3OH[/tex]
The molecular formula of the molecule in figure 3 is [tex]CH_3OH[/tex].
The following information should be considered:
The molecular formula represents the chemical formula in which the actual no of atoms for each & every element should be presented in the compound. In the given compound, it comprise of 4 hydrogen atoms, 1 oxygen atom, 1 carbon atom. It is the alcohol having functional group i.e. -OH along with the molecular formula i.e. [tex]CH_3OH[/tex] that we called as the methanol.
Therefore we can conclude that the molecular formula of the molecule in figure 3 is [tex]CH_3OH[/tex].
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which of the folowing molecules has the most polar bond between the bonded atoms in terom of greatedst end
The correct response is b) N - H. Because nitrogen is one of the most electronegative elements in the periodic table, its bond with hydrogen will be the most polar of all.
What exactly is a polar bond?A polar covalent bond is a covalent association in which the atoms' electron attraction is uneven, resulting in unequal electron sharing. In a polar covalent bond, also known as a polar bond, the distribution of electrons surrounding the molecule is no longer symmetrical. Polar covalent bonds have an unequal distribution of electrons. The difference in electronegativity between the two elements would be between 0.4 and 1.7. The electronegativity gap between polar and nonpolar bonds is less than 0.4.
In this case, the right answer is b) N - H. Because nitrogen is one of the periodic table's most electronegative elements, its bond with hydrogen will be the most polar of all.
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A sample of gas occupies 6.00 L at a temperature of 200 K. If the pressure remains constant and the temperature is raised to 600 K, the volume of the gas sample would be:
The Ideal Gas Law states that the volume of a gas is proportional to its temperature at constant pressure.
What is pressure?Pressure is a force that is applied to an object over an area. It is measured in units of force per unit area, such as Pascals (Pa). Pressure can be applied in a number of ways, such as by squeezing, pushing, or compressing. It can also be caused by the weight of an object, or the force of gravity. Pressure can be used to do work, such as moving an object or creating heat.
This means that if we double the temperature, we will double the volume. Therefore, if the temperature of the gas sample is raised from 200 K to 600 K, the volume of the gas sample will increase from 6.00 L to 12.00 L.
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Why do halogens get less reactive?
The halogens gets less reactive as we move down the group because the atomic mass will increases and the number of the electrons are increases.
The halogens get less reactive as we move top to bottom in the group in the periodic table as the atomic mass of the group 17 elements that is halogens will increases and as we move from from top to bottom in the periodic table the electrons are added and the number of electrons are increases.
This is reason , that the reactivity of the group 17 elements that is halogens will decreases as we move from top to bottom.
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A new candy has a very sour taste. If this candy were dissolved in water, the solution would likely be _______.
Answer:
It is a sour candy. And when you put it in water it will dissolves.
Explanation:
Explain the relationship between an element's row number in the periodic table and the highest principal quantum number in the element's electron configuration. How does this relationship differ for main-group elements, transition elements, and inner transition elements
The row number in the periodic table corresponds to the highest principal quantum number (n) in the element's electron configuration, also known as the element's valence shell.
Difference between relationship of main-group elements, transition elements, and inner transition elements.For main-group elements, the highest principal quantum number increases from n = 2 in the first row to n = 3 in the second row and n = 4 in the third row. This means that main-group elements in the first row have their valence electrons in the 2nd energy level (n=2), elements in the second row have their valence electrons in the 3rd energy level (n=3) and elements in the third row have their valence electrons in the 4th energy level (n=4).
Transition elements have electron configurations that deviate from this pattern, they have electrons in higher energy level (n>3) but these electrons are not in the valence shell. They have a different valence electron configuration which allows them to exhibit multiple oxidation states, and also they have a d-block in their electron configuration
Inner transition elements also deviate from this pattern, they also have electrons in higher energy level (n>3) but these electrons are not in the valence shell. They have a different valence electron configuration which allows them to exhibit multiple oxidation states, and also they have a f-block in their electron configuration.
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Which statement most accurately describes a chemical equation?
a. in a chemical reaction, the mass of the energy change must be equal to the energy used
b. in a chemical reaction, the mass of the products must equal the mass of the reactants
c. in a chemical reaction, the mass of each product must be the same
d. in a chemical reaction, the combined mass of the container the substances is always equal
Answer: C
Explanation:
Determine whether each of the following compounds is a molecular compound or an ionic compound. How can you tell?
a. ) PBr₃
b. ) KBr
c. ) Iron (III) Oxide
d. ) Carbon Tetraiodide
PBr₃ and Carbon Tetraiodide is a covalent compound. Whereas, KBr and Iron (III) Oxide is an ionic compound.
Covalent compounds and molecular compounds are those compound where two non-metals, or a non-metal are bonded to each other through the sharing pair of electrons.
PBr₃ are covalent because phosphorous is in the column 3 in periodic system and it has three valence electrons in its outer shell. Therefore, in case of Carbon Tetraiodide carbon and iodide both are non-metals that why they are covalent compounds.
KBr and Iron (III) Oxide both are Iron (III) Oxide because they are formed by the interaction between a metal and non-metal. They will transfer the electrons from positively to negatively charged atoms.
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Which of the following is consistent with an exothermic reaction that is nonspontaneous at high temperatures?
A.
?H > 0, ?S > 0, ?G < 0
B.
?H < 0, ?S < 0, ?G > 0
C.
?H < 0, ?S > 0, ?G > 0
D.
?H > 0, ?S < 0, ?G < 0
E.
?H < 0, ?S > 0, ?G < 0
As a result, option c is correct: H must be negative and S must be positive.
What is exothermic reaction?Energy is transmitted to or from the surroundings when a chemical reaction occurs. An exothermic reaction occurs when energy is transmitted to the surroundings, and the temperature of the surroundings rises. The term exothermic implies "heating up." As an exothermic process progresses, energy, frequently in the form of heat, is released. An exothermic reaction is one that is chemical in nature and is characterized by the release of energy in the form of heat or light. Matching a light with a matchstick is an example of this sort of reaction in which the release is both heat and light.
Here,
The spontaneity can be determined by the equation as:
ΔG=ΔH−TΔS
If the Gibbs free energy is negative, it gives a spontaneous reaction. Hence, the ΔH must be negative and ΔS must be positive.
If the Gibbs free energy is positive then it will be non-spontaneous. Hence, ΔS must be negative at very high temperature.
Therefore, option c is correct that is the ΔH must be negative and ΔS must be positive.
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