Miso is a fermented Japanese condiment made primarily from ________, which is salted and fermented with ________ for two months.
a. cabbage; Leuconostoc
b. rice; Leuconostoc
c. cabbage; Bacillus
d. cabbage; Aspergillus oryzae
e. ground soy and rice; Aspergillus oryzae
Answers
Miso is a Japanese condiment made from ground soy and rice that has been salted and Fermented for two months with Aspergillus oryzae. It is choice E.
Maturation is a metabolic cycle that produces synthetic changes in natural substances through the activity of proteins. In natural chemistry, it is barely characterized as the extraction of energy from sugars without a trace of oxygen.
Miso is made by combining cooked soybeans, salt water, and koji, a starter culture that is typically fermented rice. After that, this material is fermented for a number of months.
Maturation occurs in anaerobic circumstances (i.e., without oxygen). Aging starts with glycolysis which separates glucose into two pyruvate particles and produces two ATP (net) and two NADH.
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Related Questions
how are regional climate patterns caused by atmospheric and ocean flows
Answers
Answer:
Ocean currents act as conveyer belts of warm and cold water, sending heat toward the polar regions and helping tropical areas cool off, thus influencing both weather and climate. .
At 9°C a gas has a volume of 6.17 L. What is its volume when the gas is at standard temperature?
Answers
Answer:
V₂ = 5.97 L
Explanation:
Given data:
Initial temperature = 9°C (9+273 = 282 K)
Initial volume of gas = 6.17 L
Final volume of gas = ?
Final temperature = standard = 273 K
Solution:
Formula:
The Charles Law will be apply to solve the given problem.
According to this law, 'the volume of given amount of a gas is directly proportional to its temperature at constant number of moles and pressure'
Mathematical expression:
V₁/T₁ = V₂/T₂
V₁ = Initial volume
T₁ = Initial temperature
V₂ = Final volume
T₂ = Final temperature
Now we will put the values in formula.
V₁/T₁ = V₂/T₂
V₂ = V₁T₂/T₁
V₂ = 6.17 L × 273K / 282 k
V₂ = 1684.41 L.K / 282 K
V₂ = 5.97 L
How do renewable and nonrenewable resources differ?
Answers
Natural resources are those that are accessible without human intervention. Like the sun, the atmosphere, the air, the water, the land, the mines, the vegetation, and animal life.
There are two categories of natural resources: renewable resources and non-renewable resources.Renewable resources :
These are the kind of natural resources that, even after constant use, do not become exhausted or depleted.For example, Wind and SunlightThese have low carbon footprints and low carbon emissions.Infrastructure costs for the production of renewable energy are very costly.Doesn't cause Pollution. Cause Pollution when usedNon Renewable resources :
These are the natural resources that, as a result of ongoing human usage, become exhausted or depleted and are neither renewed nor replaced.For example, groundwater, fossil fuels, and mineral ores etc.These emit more carbon than other, which increases their carbon footprint.Infrastructure costs for the production of energy from these resources are low.Learn more about natural resources here:
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Identify the type of molecular polarity in the molecule below. Please help!!
Answers
The molecule is polar if the configuration is asymmetrical.
Explain about the molecular polarity?A physical characteristic of compounds called polarity links other characteristics including solubility, melting and boiling points, and intermolecular interactions.
Molecules that have both positive and negative charge areas are said to be polar. A polar substance is water, for instance. Due to the sort of bonds it has and the way it is shaped, the molecule has a slight positive charge at the hydrogen end and a slight negative charge at the other end (the oxygen end).
We may tell that a bond is polar if the difference in electronegativity between its constituent atoms is between 0.5 and 2.0. If the atom is a diatomic, a polar molecule must follow.
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Q-3 Determine the fugacity in atm for pure ethane at 310 K and 20.4 atm and change in the chemical potential between this state and a second state od ethane where temperature is constant but pressure is 24 atm.
Answers
The fugacity in atm for pure ethane at 310 K and 20.4 atm is given by the equation: f = 20.4 exp (-Δg1/RT). The change in chemical potential between this state and a second state of ethane where the temperature is constant but the pressure is 24 atm is -0.0911RT.
Fugacity is a measure of the escaping tendency of a component in a mixture, which is defined as the pressure that the component would have if it obeyed ideal gas laws. It is used as a correction factor in the calculation of equilibrium constants and thermodynamic properties such as chemical potential. Here we need to determine the fugacity in atm for pure ethane at 310 K and 20.4 atm and the change in the chemical potential between this state and a second state of ethane where the temperature is constant but the pressure is 24 atm. So, using the formula of fugacity: f = P.exp(Δu/RT) Where P is the pressure of the system, R is the gas constant, T is the temperature of the system, Δu is the change in chemical potential of the system. Δu = RT ln (f / P)The chemical potential at the initial state can be calculated using the ideal gas equation as: PV = nRT
=> P
= nRT/V
=> 20.4 atm
= nRT/V
=> n/V
= 20.4/RT The chemical potential of the system at the initial state is:
Δu1 = RT ln (f/P)
= RT ln (f/20.4) Also, we know that for a pure substance,
Δu = Δg. So,
Δg1 = Δu1 The change in pressure is 24 atm – 20.4 atm
= 3.6 atm At the second state, the pressure is 24 atm.
Using the ideal gas equation, n/V = 24/RT The chemical potential of the system at the second state is: Δu2 = RT ln (f/24) = RT ln (f/24) The change in chemical potential is Δu2 – Δu1 The change in chemical potential is
Δu2 – Δu1 = RT ln (f/24) – RT ln (f/20.4)
= RT ln [(f/24)/(f/20.4)]
= RT ln (20.4/24)
= - 0.0911 RT Therefore, the fugacity in atm for pure ethane at 310 K and 20.4 atm is:
f = P.exp(Δu/RT)
=> f
= 20.4 exp (-Δu1/RT)
=> f
= 20.4 exp (-Δg1/RT) And, the change in the chemical potential between this state and a second state of ethane where the temperature is constant but pressure is 24 atm is -0.0911RT. Therefore, the fugacity in atm for pure ethane at 310 K and 20.4 atm is given by the equation: f = 20.4 exp (-Δg1/RT). The change in chemical potential between this state and a second state of ethane where the temperature is constant but the pressure is 24 atm is -0.0911RT.
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Which atom absorbs more energy- one in which an electron moves from the the second shell to the third shell, or an atom which an electron moves from the first to the third shell?
Answers
An atom which an electron moves from the first to the third shell atom absorbs more energy.
An atoms may occupy different energy states . The energy states are discrete , that means they occur at specific values only. Therefore an atom can only move to a new energy level if it absorbs or emits an amount of energy that exactly corresponds to the difference between two energy levels.
The lowest possible energy levels that the atom can occupy is called ground state.The energy levels which is higher to the ground state is called excited state.
The more energy absorb when electron move from first to third because in this second energy level have to pass to reach at third energy level.
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*
Which factor is not involved in the creation of ocean currents?
O The salinity of seawater.
O The unequal heating of the earth
Ships traveling through the ocean
O The rise and fall of ocean tides created by the moon.
Answers
Answer:
Ships traveling through the ocean
4. Which location (a, b, or c) would have the highest temperature?
5. Which location(a, b, or c) would have the lowest temperature?
6. Give reasoning to explain how and why the latitude of a place on Earth affects its average temperature.
answer fast worth 100 POINTS AND WILL MARK BRAINLEST
Answers
5.a
6. The higher level you get has the lowest temperature and if you are on ground level you will have a warm temperature.
#4
c is right above the earth's crest so it absorbs most earth .so highest temperature
#5
a is at top hence least heat absorbs so least temperature
#6
Higher the attitude lower the temperatureLower the attitude higher the temperatureThe three nuclides, U-233, U-235, and U-238, are isotopes of uranium because they have the same number of protons per atom and A) the same number of neutrons per atom B) a different number of electrons per atom C) a different number of neutrons per atom D) the same number of electrons per atom
Answers
Answer:
The correct answer is - C) a different number of neutrons per atom.
Explanation:
Isotopes of an element are the same element and same atomic number but with different atomic mass and physical properties. The difference in their atomic mass occurs due to isotopes of an element have a different number of neutrons per atom.
The number of protons and the numbers of electrons are the same in the isotopes but only change occurs in the numbers of the neutrons. In isotopes of uranium U-233, U-235, and U-238 have the same number of protons but a different number of neutrons per atom.
The three nuclides U-233, U-235, and U-238 are isotopes because they have a different numbers of neutrons. Thus, option C is correct.
Isotopes of an element can be defined as the elements with the same atomic number but different mass numbers. The atomic number can be defined as the number of electrons of an atom.
The isotopes of Uranium thus have the same number of electrons. Thus option B is incorrect.Statement D is correct but is not the characteristic property to differentiate an isotope. Thus, option D is incorrect.The mass number can be defined as the sum of the number of protons and neutrons. The number of electrons and protons is equal in an atom.Thus in an isotope, the number of protons will be the same per atom.
The number of neutrons in an atom has been different per atom. Thus, option A is incorrect. Option C is correct.
Thus the three nuclides U-233, U-235, and U-238 are isotopes because they have a different numbers of neutrons. Thus, option C is correct.
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Is the chemical term for the form of alcohol found in alcoholic beverages.
Answers
Answer: The chemical term for the form of alcohol found in alcoholic beverages is ethanol, also known as ethyl alcohol or drinking alcohol. Ethanol is a clear, colorless liquid that is the primary ingredient in alcoholic beverages. It is a simple alcohol with the chemical formula C2H5OH, composed of two carbon atoms, six hydrogen atoms, and one oxygen atom. Ethanol is produced by the fermentation of sugars and carbohydrates in grains, fruits, and vegetables, and is also used as a solvent, fuel, and disinfectant.
Explanation:
A person purchases a bag of potato chips that was sealed in San Francisco, CA where the elevation is 50 feet above sea level and the air pressure is 1 atmosphere. They board an unpressurized airplane with the bag of chips and fly to an altitude of 8,000 feet where the air pressure is 0.75 atmosphere. What do you predict will happen to the bag of chips? (Must be Thoroughly thoughted and explanation)" I will Give Brainiest"
Answers
Hello, I Am BrotherEye
Answer:
As the atmospheric pressure decreases with increase in altitude, when a sealed bag of chips is taken to higher altitude then the pressure of the gases inside the bag become greater than the outer atmospheric pressure and apply pressure on the side covering of the chips bag due to which the chips bag expand.
Explanation:
Atmospheric pressure decreases with increasing altitude. Let's assume you tie up a bag at sea level altitude (with little air inside). That air inside the bag is at 1atm as long as you're at sea level.
Now you start going up, your altitude increases and atmospheric pressure decreases (remember what I said in the beginning about atmospheric pressure decreasing with increasing altitude?).
Let's say you reach an altitude where the atmospheric pressure is 0.5atm, the force acting inside the bag which is pushing it outward is now greater than the force acting on it which is pushing it inward (1atm>0.5atm). As a result, the air inside the bag will push the sides of the bag outward, thus inflating it to a point where the pressure inside the bag becomes 0.5atm or the bag stops stretching.
For the same reason, if you bring the same bag down and take it too deep into the earth (at an altitude lower than sea level) or if you inflate the bag at a very high altitude and bring it down to sea level, it will deflate.
Best Of Luck
~
BrotherEye
CHEMISTRY EXCERCISES
Answers
1. (a) Class: carboxylic acid; IUPAC name: propanoic acid. (b) Class: alkyl halide; IUPAC name: chloro-1-propane. (c) Class: alkane; IUPAC name: 1-propanecarbonitrile. (d) Class: ester; IUPAC name: ethyl methanoate.
What is IUPAC name?IUPAC stands for International Union of Pure and Applied Chemistry. It is an international scientific organization responsible for developing and promoting international standards in the fields of chemistry and chemical nomenclature. The IUPAC name of a chemical compound is an unambiguous, systematic method for naming compounds according to their chemical structure and physical properties.
(e) Class: ether; IUPAC name: dimethyl ether. (f) Class: acyl halide; IUPAC name: 1-chloro-2,2-difluoropropane-1-carbonyl chloride.
2. (a) Hexanoic acid: CH3CH2CH2CH2CH2COOH. (b) Butanal: CH3CH2CHO. (c) Pent-1-ene: CH2=CHCH2CH2CH3. (d) 1-bromo-2-methylbutane: CH3CH2CH(Br)CH3. (e) Ethyl methanoate: CH3COOCH2CH3. (f) Methoxypropane: CH3OCH2CH3. (g) But-2-yne: CH3C≡CHCH3.
3. Answer: B. CH3CONH2 is an amine because it contains an amine group (NH2).
4. Answer: A. 1-iodopropane is a member of the same homologous series as 1-bromopropane because they both have the same molecular formula (C3H7Br or C3H7I) and the same functional group (halogen).
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If the cell is somehow operated under conditions in which it produces a constant voltage of 1.50 V , how much electrical work will have been done when 0.230 mL of Br2(l) has been consumed
Answers
When 0.230 mL of \(Br_{2}\)(l) has been consumed under constant voltage of 1.50 V, the electrical work done is 2,375 J.
How to determine the electric work done?To calculate the electrical work done when 0.230 mL of \(Br_{2}\)(l) has been consumed under constant voltage of 1.50 V, follow these steps:
1. Determine the moles of \(Br_{2}\)(l) consumed: Use the molar volume of liquid bromine, which is 5.70 g/mL, and the molar mass of \(Br_{2}\), which is 159.8 g/mol.
- (0.230 mL) * (5.70 g/mL) = 1.31 g
- (1.31 g) / (159.8 g/mol) = 0.00821 mol
2. Determine the moles of electrons transferred: In the redox reaction involving \(Br_{2}\), the bromine molecule gains two electrons to form two bromide ions (2\(Br^{-}\)). So, the number of moles of electrons transferred is twice the moles of \(Br_{2}\) consumed.
- (0.00821 mol) * 2 = 0.0164 mol of electrons
3. Calculate the total charge transferred: Use Faraday's constant (F), which is 96,485 C/mol, to determine the charge.
- (0.0164 mol) * (96,485 C/mol) = 1,583 C
4. Calculate the electrical work done: Use the formula W = V * Q, where W is the work done, V is the constant voltage, and Q is the total charge transferred.
- (1.50 V) * (1,583 C) = 2,375 J
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A chemist mixes ammonium acetate into 500 mL of water. What does the solution contain?
a. The solution is just water. The ammonium acetate will not dissolve and will just sink to the bottom of the solution. b. N3-ions, H+ ions, C4-ions, and O2-ions c. NH4+ and CO32-ions d. NH4+ and C2H302 ions
Answers
Answer:
d. NH4+ and C2H3O2- ions
Explanation:
When ammonium acetate (NH4C2H3O2) is mixed with water, it dissociates into its ions. In this case, it dissociates into NH4+ (ammonium ion) and C2H3O2- (acetate ion). Therefore, the solution will contain NH4+ and C2H3O2- ions dissolved in water.
The solution contains NH4+ and C2H302 ions. Among the given options, the correct answer is option d. It forms a solution containing NH4+ and C2H302 ions that are fully dissolved in the water.
When a chemist mixes ammonium acetate into 500 mL of water, the ammonium acetate (NH4C2H3O2) dissolves and dissociates into its constituent ions. This results in the formation of NH4+ ions (ammonium ions) and C2H3O2- ions (acetate ions) in the solution. Ammonium acetate is a salt that readily dissolves in water, dissociating into NH4+ and C2H302 ions. The aqueous solution will contain NH4+ ions and C2H3O2- ions, which are formed due to the dissociation of ammonium acetate in water. These ions will be dispersed throughout the solution and will not sink to the bottom.
In conclusion, when ammonium acetate is mixed into water, it forms a solution containing NH4+ and C2H302 ions that are fully dissolved in the water.
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why doesn't carbon dioxide and water have the same molecular geometry
Answers
Answer:
what is tha volume lites of 10 garm H gass at stp
What property of water accounts for its ability to insulate areas around it?
Answers
Answer:
Floating ice can insulate bodies of water. Answer: b. Discuss how a high specific heat helps to buffer temperature for organisms. Water's high specific heat is important to life because...
Explanation:
which one of the following would form a precipitate with poâ³⻠ions in aqueous solution?A. K+B. NHâ+C. Ca2+D. None of these would form a precipitate
Answers
We have established that the reaction among Pb(NO3)2 aquatic and MgSO4 aqueous in answer option (A) is the only scenario which is something a deposit is likely to develop.
Why did MgSO4 get used?Copper sulfate is a medication used to treat and prevent seizures and low blood magnesium levels in eclamptic women. Additionally, it is used to treat barium poisoning, acute asthma exacerbations, torsades de pointes, and constipation.
What medication is MgSO4?The most popular medication for treating eclampsia and preventing it in people with severe which was before is magnesium sulfate (MgSO4). Generally, it is administered intravenously and otherwise intramuscularly.
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(HELP ASAP) what is the reaction for Si + S₈ --> Si₂S₄
Answers
Answer:
Synthesis reaction~~~~~~~
Explanation:
You have nitrogen gas (N2) at a pressure of 0.5 atm, a volume of 25000 mL, and a temperature of 300 K, how many grams of nitrogen are present?
Answers
Answer:
About 7.109g
Explanation:
25000mL is the same as 25 liters.
\(PV=nRT \\\\0.5 (25)=n (0.0821) (300) \\\\n\approx 0.508\)
Multiplying this by the molar mass of nitrogen, you get about 7.109 grams of nitrogen. Hope this helps!
how many assymetric carbon atoms are present in the molecule shown? cl cl
Answers
2 asymmetric carbon atoms are present in the molecule shown.
Asymmetric carbon atoms, also known as chiral carbon atoms or stereogenic carbon atoms, are carbon atoms that are bonded to four different groups or atoms. They are important in organic chemistry because they give rise to molecular asymmetry and the existence of enantiomers.
The presence of an asymmetric carbon atom in a molecule leads to chirality, which is the property of having two non-superimposable mirror image forms (enantiomers). Enantiomers have identical physical and chemical properties, except for their interaction with other chiral molecules, such as in biological systems.
The existence of enantiomers is significant because they can exhibit different biological activities, pharmacological effects, and reactivities. For example, one enantiomer of a drug may be therapeutically effective, while its enantiomer could be biologically inert or even produce adverse effects.
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I need help with these questions
Answers
A chemical compound is a substance formed by the union of two or more chemical elements in a fixed ratio, the union being a chemical bond.
A pure substance is a substance that are made up of only one kind of particle and have a fixed or constant structure. Pure substances are further classified as elements and compounds.
A molecule is the smallest particle of a specific element or compound that retains the chemical properties of that element or compound; two or more atoms held together by chemical bonds.
A mixture is a compound made up of two or more chemical components that are not chemically linked together. This means that a mixture can be made of elements, compounds etc. but not the other way round.
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Please help me with this science quesiton
Answers
The atoms inside the reactants reorganise their chemical bonds during a chemical reaction to create products. There will therefore always be a shift in energy when chemical reactions take place.
What atomic configuration occurs throughout a chemical change?The atoms inside the reactants rearrange and link differently throughout a chemical reaction to create one or more innovative brands with properties distinct from the reactants. A chemical change occurs when a new material is created.
What chemical process causes an energy change?Exothermic refers to chemical reactions which release energy. When bonds are created in the products of exothermic processes, more energy is produced than is required to rupture the connections between the reactants. Endothermic refers to chemical reactions that either use or absorb energy.
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255. A weather balloon has a maximum volume of
7.50 x 103 L. The balloon contains 195 L of helium gas at
a pressure of 0.993 atm. What will be the pressure when
the balloon is at maximum volume?
Answers
The pressure when the balloon is at maximum volume would be 0.0258 atm.
Boyle's law problemBoyle's law states that the product of the pressure and volume of a gas is constant, as long as the temperature is constant.
Mathematically, the law can be expressed as:
\(P_1V_1\) = \(P_2V_2\)
In this case:
P1 = 0.993 atmV1 = 195 LV2 = 7.50 x 10^3 LSolving for P2, we get:
P2 = (P1 x V1) / V2
= (0.993 atm x 195 L) / 7.50 x 10^3 L
= 0.0258 atm
Therefore, the pressure when the balloon is at maximum volume is 0.0258 atm.
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what is the definition of a physical change
Answers
A physical change is a type of change in which the form of matter is altered but one substance is not transformed into another.
The dimensions or shape of matter may be changed, but no reaction occurs. Physical changes are usually reversible. Note that whether a process is reversible or not isn't truly a criterion for being a physical change.
Contrast this with a chemical process, during which chemical bonds are broken or formed so that the starting and ending materials are chemically different. Most chemical changes are irreversible. On the opposite hand, melting water into ice (and other phase changes) is often reversed.
Examples of physical changes include: Crumpling a sheet of paper (an exemplar of a reversible physical change)Breaking a pane of glass (the chemical composition of the glass remains the same)
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For the scenario below, the system and surroundings are identified. Select the correct sign of q for both the system and surroundings as they are defined. Using a hand warmer in the winter 1. System: Your hand [ Select ] 2. Surroundings: The hand warmer packet [ Select ]
Answers
For the scenario given, the system and surroundings are identified as follows:System: Your handSurroundings: The hand warmer packetThe sign of q for both the system and surroundings as they are defined:For the system: q < 0 (negative)For the surroundings: q > 0 (positive).
Explanation:In the given scenario, the system is the hand of the person, and the surroundings are the hand warmer packet. The process involves heat transfer from the hand warmer to the hand to warm it up. Heat is the energy transferred between a system and its surroundings due to the difference in temperature. In this case, the hand warmer packet is at a higher temperature than the hand, so heat flows from the surroundings to the system. As a result, the sign of q for the system would be negative (q < 0) as it is gaining heat from the surroundings, and the sign of q for the surroundings would be positive (q > 0) as it is losing heat to the system.
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What is the mass of 5.36 mol of ammonia
vapor (NH3)?
Answer in units of g.
Answers
Answer:
91.12 gram
Explanation:
Number of moles of Ammonia = 5.36
Molecular Mass of Ammonia = 14 + 3 × 1 = 17 gram/mol
Mass = Number of moles × Molecular mass
Mass = 5.36 mol × 17 gram/mol = 91.12 gram
the _____ of an object is where the object is in relation to another object or points of reference. A motion B force C gravity D position
Answers
d position
position is the reference for the points of the object
What is the predominant form of ethylenediamine at pH 6.441 and pH 9.375? Ethylenediamine has pKb values of 4.072 (pKb1) and 7.152 (pKb2).
Answers
Ethylenediamine is a weak base with two pKb values, and it can exist in three different forms: as a fully protonated cation, a partially protonated zwitterion, or a fully deprotonated anion.
To determine the predominant form at a given pH, we need to compare the pH to the pKb values.
At pH 6.441, which is between the two pKb values, ethylenediamine is partially protonated. The dominant species will be the zwitterion, which has a positive charge on one nitrogen and a negative charge on the other nitrogen.
At pH 9.375, which is higher than both pKb values, ethylenediamine is fully deprotonated. The dominant species will be the anion, which has both nitrogens with a negative charge.
Therefore, at pH 6.441, the predominant form of ethylenediamine is the zwitterion, and at pH 9.375, the predominant form is the anion.
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how many grams of h3po4 are in 265 ml of a 1.50 m solution of h3po4?
Answers
There are 38.92 grams of H3PO4 in 265 mL of a 1.50 M solution of H3PO4.
To solve this problem, we need to use the formula:
\(molarity = moles of solute / liters of solution\)
We can rearrange the formula to solve for moles of solute:
moles of solute = molarity x liters of solution
We are given the following information:
molarity = 1.50 M
liters of solution = 0.265 L (converted from 265 mL)
We can now calculate moles of H3PO4:
moles of H3PO4 = 1.50 M x 0.265 L = 0.3975 moles
Finally, we can convert moles to grams using the molar mass of H3PO4:
1 mole H3PO4 = 98 g H3PO4
0.3975 moles H3PO4 x 98 g H3PO4/mol = 38.92 g H3PO4
Therefore, there are 38.92 grams of H3PO4 in 265 mL of a 1.50 M solution of H3PO4.
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In a galvanic cell, _______________ occurs at the anode? (1 pt)
*
1 point
oxidation
reduction
Answers
In a galvanic cell, oxidation occurs at the anode?
The slogan "Red Cat An Ox" states that reduction happens at the cathode whereas oxidation happens at the anode. The anode would be the negative terminal for such galvanic cell because the anode's reaction serves as the origin of the electrons for such current.
No matter what kind of electrical cell is used, oxidation always occurs at the anode. Galvanic as well as electrolytic cells have reversible both cathode and anode charges.
Therefore, oxidation will happen at anode.
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