What would happen if you were missing NADH from glycolysis?
If NADH from glycolysis is missing then, glycolysis will not be able to continue.
As they return to glycolysis or the citric acid cycle, these low-energy molecules pick up more high-energy electrons that allow the process to proceed. If NAD+ is not present to pick up electrons as the reactions progress, neither glycolysis nor the citric acid cycle can occur.
The method by which glucose is metabolized to produce energy is known as glycolysis. It generates water, ATP, NADH, and two pyruvate molecules. There is no need for oxygen for the process, which occurs in a cell's cytoplasm.
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How many bonds does chlorine like to form?
Answer: In these compounds carbon, nitrogen, oxygen, and chlorine atoms have four, three, two, and one bonds, respectively. The hydrogen atom and the halogen atoms form only one covalent bond to other atoms in most stable neutral compounds.
Explanation:
I got stuck on this question
Answer:
The best conductor is Copper
Explanation:
because it's able to generate more heat than the other 2
If you wanted to completely react 150 grams of FeBry, how many moles of sulfuric acid (H,SO) will you need to use?
Answer:
Sulfuric acid, spent appears as a black oily liquid. Corrosive to metals and tissue. Density 15 lb /gal.
Explanation:
draw the correct structure for 3-methyl-2-octanone or 3-methyloctan-2-one.
The correct structure for 3-methyl-2-octanone or 3-methyloctan-2-one is in the image attached.
Organic compounds in chemistry are any chemical compounds that have carbon-hydrogen or carbon-carbon bonds. Millions of organic compounds are known due to carbon's propensity to catenate (form chains with other carbon atoms). Organic chemistry is the science that studies the characteristics, reactions, and synthesis of organic molecules.
For historical reasons, a few classes of carbon-containing compounds (e.g., carbonate salts and cyanide salts), as well as a few other outliers (e.g., carbon dioxide, hydrogen cyanide), are not categorised as organic and are classified as inorganic. Other than the aforementioned, there is no agreement among chemists on which carbon-containing molecules are excluded, making any strict definition of an organic compound tricky.
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Use formal charge to choose the best Lewis structure for CH3SO2CH3. H :0: H A) H-C-$-C-H H:0: H : B) H-Ç=ş-C-H H:0: H 11 H: H C) H-C-S-C-H H:0 H H 6: H D) H-C=$=C-H H:0: H III
The lewis structure of the given compound methyl thiosulphonate represents the bonded pairs and the lone pair of electron in the oxygen atom as well in the image.
What is methyl thiosulphonate?Methyl thiosulphonate is a common solvent used in synthetic reactions. It is an aprotic solvent and is polar in nature. The compound contains an SO₂ group where the formal charge of both oxygen and sulphur is zero.
The Lewis dot structure helps to identify the bonded pair of electrons, lone pairs and non-bonded pairs of electrons on each bonded atoms in a compound.
Each oxygen atoms in the given compound is double bonded to the sulphur through covalent bonding and which have two pairs of non-bonded electrons. Both oxygen and sulphur contains 6 valence electrons and the hydrogens are sigma bonded to carbon atoms.
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Which solution is more concentrated?
0.5 M NaCl
0.005 M NaCl
0.05 M Nacl
5.0 M NaCl
Answer: 5.0 M NaCl
Explanation:
A concentrated solution is one which has more amount of solute in it.
A dilute solution is one which has less amount of solute in it.
Molarity is defined as the number of moles of solute present per liter of the solution.
0.5 M NaCl will have 0.5 moles of NaCl in 1 L of the solution, 0.005 M NaCl has 0.005 moles of NaCl in 1 L of the solution, 0.05 M NaCl has 0.05 moles of NaCl in 1 L and 5.0 M NaCl has 5 moles of NaCl in 1 L.
Thus 5.0 M NaCl will be most concentrated.
To tet the quality of water ource in her area, Shameka collect five ample from each water ource and tet the quality of each ample. Which important tep of cientific deign i Shameka conducting?
repetition
replication
verification of reult
uing controlled variable
Option (d) is correct. To test the quality of water source in the area, the important technique that Shameka used s verification of results.
To test the quality of water, the qualitative and quantitative measurements are needed from time to time to constantly monitor the quality of water from the various sources of supply. there have to initiate remedial measures with the suppliers when water supply from outside is polluted. Testing procedures and parameters may be grouped into physical, chemical, bacteriological and microscopic categories.
· The physical tests indicate properties detectable by the senses.
· The chemical tests determine the amounts of mineral and organic substances that affect water quality.
· Bacteriological tests show the presence of bacteria, characteristic of pollution.
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Write a net ionic equation for the reaction that occurs when aqueous solutions of nitric acid and sodium hydroxide are combined.
Be sure to specify states such as (aq) or (s).
Answer:
H^+(aq) + OH^-(aq) -------> H2O(l)
Explanation:
We must first write the molecular reaction equation as follows;
HNO3(aq) + NaOH(aq) ------>NaNO3(aq) + H2O(l)
The complete ionic equation is;
H^+(aq) + NO3^-(aq) + Na^+(aq) + OH^-(aq) -------> Na^+(aq) + NO3^-(aq) + H2O(l)
The net ionic equation therefore is;
H^+(aq) + OH^-(aq) -------> H2O(l)
What is the Lewis structure for H2CS, with the central atom of C. Is the molecular polar or nonpolar? Identify the intermolecular forces present?
We know that carbon contains 4 valence electrons, all of which are unpaired in the excited state, making carbon the central atom. One electron is unpaired in hydrogen. As a result, there will be a link between these two electrons and these two electrons. In its outermost cell, sulpur possesses 6 valence electrons, of which 2 are unpaired. Consequently, sharing between these two and these two will occur. Every atom's octet, which consists of the elements hydrogen, carbon, and sulpur, is complete. As a result, the ultimate structure we get is a single bond with a double bond. The shape of this molecule is trigonal planar, and the carbon atom is sp2 hybridized. In the case of this connection, the dipole moment will point toward carbon. Additionally, in the case of a c double bond, this will be in the direction of carbon and the net will be upwards since the initial dipole and the end dipole will both point upward. As a result, we may infer that this molecule is polar in nature since it possesses a net dipole moment. It is now aware of the forces at work, which are intermolecular forces. Dipole forces will be at work, causing reactions between dipoles.
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order the following ion pairs by decreasing bond strength. (strongest to weakest: left to right.)
From strongest to weakest bond strength: left to right:- Mg^2+ O^2 > Ca^2+ O^2- > Ca^2+ Se^2- >Li F^- > Na^+ F^- > Na^+ Br^- due to short Ionic Bond strength.
Bond energy, also known as mean bond enthalpy as well as average bond enthalpy, is a measure of the strength of a chemical bond. In chemistry, bond strength has been defined as the strength that a chemical bond contains two atoms together. This one is usually expressed in kilocalories per mole as the amount of energy needed to break the bond.
Due to the electrostatic attraction among its negative and positive ions, an ionic compound is stable. The lattice energy of an ionic bond is the amount of energy required to separate one mole of the a compound into its gas phase ions. Ions to higher charges as well as shorter distances between them have higher lattice energy.
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what is the ph of a solution prepared by mixing 51.97 ml of 0.8936 m hcl and 46.07 ml of 0.8124 m naoh? please note that the starting values in the problem all have 4 significant figures. depending upon the randomization and how many sig figs are lost during subtraction, there may be more significant figures than students typically input for similar problems.
And the result is 3.31. That is the solution's ph. After it is solved, p equals 2.3. This concludes the response.
The following reaction occurs in the solution:NaOH+HCl→NaCl+H2O.
pOH=−log(0. 0070)=2. 15.
pH=14−2. 15=11. 85.
A solution's pH, which measures the hydrogen ion concentration, can be used to assess how acidic it is. Hydrogen and hydroxyl (OH) ions make up nearly equal proportions of the ions formed when pure water is gently separated. [H+] is 107 for a neutral solution, or pH = 7.
How does pH work?The common logarithm of the reciprocal of the concentration of hydrogen ions in moles per cubic decimeter of solution serves as the potential of hydrogen, which measures the acidity or alkalinity of a solution. A pH of 7 refers to pure water, a pH of less than 7 to acid solutions, and a pH of more than 7 to alkaline solutions.
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Can energy be destroyed?
Answer: No
Explanation:
Consider the reaction of a generic metal ion (Mn+) with a generic porphine molecule (por): M(H2O)mn+(aq)+por(aq)⇌M(por)n+(aq)+mH2O(l) Based on the values of standard enthalpy, ΔH∘, and entropy, ΔS∘, shown here, ΔH∘ ΔS∘ -21.5 kJ 7.82 J/KJ/K what is the value of the formation constant, Kf , for the reaction at 25 ∘C?
Kf, at 25 °C, is 713 for the reaction M(H2O)mn+(aq)+por(aq)⇌M(por)n+(aq)+mH2O(l)
The chemical compound porphine, sometimes known as porphin, has the formula C20H14N4. It is the simplest of the tetrapyrroles since it is composed of four pyrrole-like rings connected by four methine (= C H ) groups to form a bigger macrocycle ring. The molecule is flat. It is categorized as a heterocyclic and aromatic chemical. The measure of a system's chaos is called entropy. It is an extensive characteristic of a thermodynamic system, which indicates that the amount of matter in the system affects how much it is worth. Entropy is frequently represented in equations by the symbol S and is measured in joules per kelvin (JK1) or kg/m2/s2K1. The entropy of a well organized system is low.
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What is the issue of storing foods in containers that are metallic?
If the container is composed of a low-grade metal, the metal's poisons may seep into the food that is kept in it. This is why stainless steel is frequently advised because it is the least reactive and typically regarded as safe for food storage.
Why is food storage so essential?
By preventing deterioration, proper food storage not only helps you get the most out of your food budget but also preserves the nutritional worth and quality of the goods you buy. Additionally, safe food storage can aid in preventing hazardous bacteria-caused foodborne illnesses.
If the container is composed of a low-grade metal, the metal's poisons may seep into the food that is kept in it. This is why stainless steel is frequently advised because it is the least reactive and typically regarded as safe for food storage.
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A form of energy that is related to its temperature...
nuclear energy
thermal energy
potential energy
kinetic energy
Answer:
Kinetic Energy
Explanation:
Temperature and Kinetic Energy are directly proportional.
Can someone help me with this
Answer:
4.
A. Alkali
B. Alkaline
C. Transition
5. True (it is extremely powerful especially when reacting with water)
Explanation:
Which is NOT a typical cation of chromium?
a. 2+
b. 3+
c. 5+
d. 6+
The one which is not a typical cation of chromium is the option c) +5. chromium found in the form of Cr⁺², Cr⁺³ and Cr⁺⁶.
The transition metals will readily form the cation +2 and +3. the atomic number of the chromium is 24. the chromium belongs to d block transition elements. the electronic configuration is given as :
Cr = 1s² 2s² 2p⁶ 3s² 3p⁶ 4s¹ 3d⁵
the chromium loose one s electron and then a d electron and form Cr⁺², the chromium will loose more two electrons from the d and form Cr⁺³, which stable state, chromium will loose more electrons and form Cr⁺⁶.
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Explain how the bonding model for sodium metal would differ from the bonding model for sodium chloride, NaCi
The bonding in NaCl involves a sodium ion and a chloride ion while the bonding in sodium metal involves sodium ions and a sea of electrons.
NaCl involves sodium and ion and chloride ion held together by an ionic bond. The sodium atom transfers an electron to chlorine atom to yield the chloride ion. This ion pair exists in the compound called sodium chloride.
In sodium metal, the sodium cations interact electrostatically with a sea of electrons in a metallic bond. Hence, while the bonding in sodium chloride involves an ion pair, the bonding in sodium metal involves sodium ions and a sea of electrons.
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How are stoichiometric calculations performed for redox reactions?
Answer:
(b) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Explanation:
According to the law of conservation of mass, matter can neither be created nor be destroyed. However, it can be transformed from one form into another. During chemical reactions, atoms or ions are exchanged between reactants to form products. Thus, all the stoichiometric calculations are based on law of conservation of mass.
During redox reactions, one species is oxidized and other species is reduced. This involves electron transfer.
The equation shows reactants to a neutralization reaction.
ca2 + oh– arrow h+ no-
which describes what will happen to the h when these reactants form products?
a. h binds with no to make a salt.
b. h binds with ca2 to make an acid.
c. h binds with oh– to make water.
d. h binds with ca2 to make a base.
The equation shows reactants to a neutralization reaction.
Ca²⁺ + OH⁻ → H⁺ + NO⁻. Here H binds with OH⁻ to make water. So the option c is correct.
As the answer to the question is cleared from these reactions. Firstly calcium hydroxide combines with nitric acid to form the products as follows;
Ca(OH)₂ + 2HNO₃ → Ca(NO₃)₂ + 2H₂O
Now the reaction between ionic species will be as follows
Ca²⁺ + 2OH⁻ + 2H⁺ + 2NO₃⁻ → Ca²⁺ + 2NO₃⁻ + 2H₂O
Hence OH⁻ combines with H⁺ to make H₂O(water)
OH⁻ + H⁺ → H₂O
H⁺ binds with OH⁻ to make water
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Classify the following solvents as either protic or aprotic solvents. Note: if one or more solvents are incorrectly placed, a single red x will appear on the top left. Protic aprotic CH3OH CH3CH2OH acetic acid DMF DMSO acetonitrile acetone H2O
Among the given solvents, the protic solvents are CH₃OH, H₂O, CH₃CH₂OH, and aprotic solvents are DMF, DMSO and acetonitrile.
What are protic solvents?Protic solvents are those having free hydrogen atoms which are capable of forming hydrogen bonds through intermolecular mode. Whereas aprotic solvents are those having no free hydrogen atoms and are not capable of forming hydrogen bonds.
Water, alcohols, acids etc are protic solvents. These solvents furnish protons when ionized or dissolved in water. Aprotic solvents does not have free hydrogen to furnish.
Among the given solvents the protic solvents are CH₃OH, H₂O, CH₃CH₂OH and the aprotic solvents are DMF, DMSO and acetonitrile.
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PLEASE HELP ME ASAPPPPPPPP!!!!!!
Answer:
I think C But I can't really see it well
. Activity effects may be expected to be most important in a. extremely dilute solutions. b. solutions of low pH. c. very concentrated solutions.
The correct Answer is C. concentrated solutions.
The activities of all species tend to be smaller than the formal concentration solutions become more concentrated. The decrease in activity with increasing concentration is much more pronounced for ions than for neutral solutes. Chemists can use activities to explain various differences between ideal and real solutions. To describe a real solution, the mathematical description of an ideal solution must be modified, just as the law for ideal gases (PV = nRT) must be modified to describe real gases.
Activity measures how many particles "appear" to be present in the solution, as opposed to how many are actually present. As a result, activity acts as a "fudge factor" in ideal solutions, correcting the true concentration. agas is a unitless ratio. The ratio asolute has no units.
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Anything that takes up space is called _____
Matter is everything that occupies physical space. Everything on earth, including the atmosphere, that occupies space and has a certain mass is considered matter.
Anything that occupies space and has mass is considered to be matter. The world around you is composed of matter. A general phrase for the "stuff" all around you is matter. An item has a quantifiable size or volume when it occupies space. A measurement of matter's resistance to acceleration is its mass. Everything around us takes up space. Now, we are aware that matter refers to everything that takes up space. Atoms are the minuscule constituents of matter. Typically, we focus our studies solely on the three states of matter: solid, liquid, and gas.
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Give the Lewis dot structure for CH3O
CH3O Lewis dot structure has two lone pairs, one single electron, and a negative charge. The central atom, carbon does not hold any lone pars as after binding the compounds get filled valence shells with the help of electrons shared by Hydrogen and Oxygen atoms.
In his idea of cubic atoms, Lewis developed the "octet rule." The preference of atoms to have eight electrons in the valence shell is referred to as the "octet rule." Atoms with fewer than eight electrons have a propensity to interact, resulting in the formation of more stable compounds. The most stable state that atoms can achieve through their reactions. Two dots or a line (Kekulé structures lines) between the connected atoms serve as representations of bonds, which are made up of two shared electrons. Using two and three lines/(pairs of electrons), respectively, double bonds and triple bonds are shown. A Lewis dot structure is based on the octet rule, which states that atoms share electrons so that each has eight electrons in its outer shell
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What is 1 moles in grams?
Carbon-12 has a theoretical atomic mass of 12 grams (6 protons and 6 neutrons). This means that the atomic mass or atomic weight of carbon (12 grams) equals exactly 1 mole of carbon.
In the International System of Units, the mole (symbol mol) is the unit of substance amount (SI). The amount of substance is a measurement of how many elementary entities of a given substance are present in an object or sample.
An elementary entity can be an atom, a molecule, an ion, an ion pair, or a subatomic particle such as an electron, depending on the substance. For example, despite having different volumes and masses, 10 moles of water (a chemical compound) and 10 moles of mercury (a chemical element) contain equal amounts of substance, and the mercury contains exactly one atom for each molecule of water.
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Given the volumes of a solvent and solute and their density, what temperature do they freeze at? It would really help if someone helped explain how to do this, I’m kind of stuck thanks
Yes, it will freeze at 0 degree Celsius. The correct option is A.
What is freezing point?The temperature at which a liquid solidifies is known as the freezing point. Similar to the melting point, the freezing point typically rises with increasing pressure.
The freezing point depression equation must be used to calculate the freezing temperature of a solvent and solute mixture. You can use this equation to determine how adding a solute alters a solvent's freezing point.
ΔTf = Kf x molality
Here,
Mass of the solvent = 100 mL x 1 g/mL = 100 g
Molality of the solute = 10 g / 58.44 g/mol = 0.171 mol
Molality of the solvent = 0.171 mol / 100 g = 0.00171 mol/g
So,
ΔTf = 1.86 °C/m x 0.00171 m = 0.00316 °C
Thus, the correct option is A.
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What happens to the molar volume when the pressure decreases?
-Molar volume increases
-Molar volume decreases
-Molar volume stays the same
Ideal gas law is valid only for ideal gas not for vanderwaal gas. Therefore, when the pressure decreases, molar volume increases. Ideal gas is a hypothetical gas.
What is ideal gas equation?Ideal gas equation is the mathematical expression that relates pressure volume and temperature. There is no force of attraction between the particles.
Mathematically the relation between Pressure, volume and temperature can be given as
PV=nRT
where,
P = pressure of gas
V= volume of gas
n =number of moles of gas
T =temperature of gas
R = Gas constant = 0.0821 Latm/Kmol
According to above equation we can see that pressure is inversely proportional to volume. On decreasing the pressure, volume will increase.
Therefore, when the pressure decreases, molar volume increases.
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Answer:
A. molar volume increases
Explanation:
Checked on edge.
how many moles of ammonia could be obtained from a maximum of 5.0 moles of nitrogen?
Answer:
is a 4.095 nitrogen of ammonia