In the redox reaction catalyzed by lactate dehydrogenase, the oxidizing agent is ___________ and the reducing agent is

Answer:-Science have researched more facts and cool things about it-It would have more facts and things to learn-The quality would be better and more understandingI just tried 3 quick ideas I hope it can help a bit

Explanation:

Answer:

the answer is you should know this already :)))))))))))))))))))))))))))))))))))))))))))))))))))

Answer:

Ta(Tantalum) has a higher atomic radius than V(vanadium).

Explanation:

Ta(Tantalum) has more electrons and energy levels, so its atomic radius is large. Ta(Tantalum) is located further down and left to the periodic table than V(Vanadium) as the atomic radius generally increases down a group from right to left across a period.

Vanadium has an atomic number of 23 and whereas Tantalum has an atomic number of 73.

To obtain 200 mg of NaOCI for a reaction, you would need to add 2.5 ml of the 8.0% w/v solution.

The concentration of the NaOCI solution is given as 8.0% w/v, which means there are 8 grams of NaOCI in 100 ml of solution.

To determine the amount of the solution needed to obtain 200 mg of NaOCI, we can set up a proportion using the concentration and the desired amount.

First, we convert 8.0% w/v to grams/ml by considering that 8 grams of NaOCI are present in 100 ml of solution. This gives us 0.08 grams/ml.

Next, we set up the proportion:

0.08 grams/ml = 200 mg/x ml

To solve for x (the volume of the solution needed), we can cross-multiply and divide:

0.08x = 200 mg

x = 200 mg / 0.08 grams/ml

x = 2500 ml

Therefore, to obtain 200 mg of NaOCI, you would need to add 2.5 ml of the 8.0% w/v NaOCI solution. Therefore, the correct answer is 2.5 ml.

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Answer:

First of all take separatory funnel.

Add the mixture of compounds into it.

Pour Water into it.

Add NaOH base. This will result in following reaction.

           CH₃CH₂CH₂COOH + NaOH  → CH₃CH₂CH₂COONa + H₂O

The resulting salt (CH₃CH₂CH₂COONa) is is soluble in water.

The water is the bottom layer (more density) and contains sodium butyrate.

Pour out the water from separatory funnel.

The organic layer (hexane) is left behind.

Now, take the aquous layer and neutralize it using HCl.

Once, neutralized remove the water.

Answer:

A.Mid ocean ridge i think

Explanation:

your answer is B my guy

Answer:

1) B- use the alkene general formula to decide which one is an alkene

2)A

3)D

The significance of melting points are

The melting point is the temperature at which a given substance change its physical state from solid to liquid. At this point solids and liquids exist at equilibrium. Melting point of a substance depends on pressure. The melting point of ice increases when pressure decreases. Melting point of a substance decreases by the presence of impurities in it. so you increase or decrease the melting point on any substance by adding more impurities. Ionic bonds, shape and size of molecules are some other factors that affect the melting point.

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The correct order of the increasing polarity of the analyte functional group isEthers < Esters.

The given statement is "Polarities of analyte functional group increase in the order of hydrocarbon ethers < esters."  The order of polarities of functional groups is the order of their increasing polarity (i.e., less polar to more polar) based on their electron-donating or withdrawing ability from the rest of the molecule.Polarity of analyte: The analyte's polarity is directly proportional to the dipole moment of the functional group, which is associated with a difference in electronegativity between the atoms that make up the functional group.The electronegativity of an element is its ability to attract electrons towards itself. The greater the difference in electronegativity between two atoms, the more polar their bond, and hence the greater the polarity of the molecule.

To find the correct order of the increasing polarity of the analyte functional group, let's first compare the two groups: hydrocarbon ethers and esters. Here, esters have a carbonyl group while ethers have an oxygen atom with two alkyl or aryl groups. The carbonyl group has more electronegative oxygen, which pulls electrons away from the carbon atom, resulting in a polar molecule. On the other hand, ethers have a less polar oxygen atom with two alkyl or aryl groups, making them less polar than esters. Therefore, the correct order of the increasing polarity of the analyte functional group isEthers < Esters.

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Answer: B. it will scatter a beam of light

Explanation: hope it is helpful........

The equatorial currents are driven by winds.

Global wind systems which are already powered by energy from either the Sun move the ocean's surface currents. The direction of wind, Centripetal forces from either the Earth's rotation, as well as the location of landforms which interact only with currents all affect the patterns of surface waves.

Equatorial countercurrent is a type of current phenomena that can be seen close to the equator. It is an oceanic water flow that runs counter to the Atlantic, Pacific, and Indian seas' westward equatorial currents and therefore is surrounded by them.

Therefore, the equatorial currents are driven by winds.

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Answer:

Catalysts play a significant role in transesterification of vegetable oils. ... Eggshell has a large amount of calcium carbonate that can be ...

‎Abstract · ‎Introduction · ‎Catalysis in transesterification · ‎Conclusion and prospects

Explanation:

The industrial production of biodiesel is catalyzed by calcium carbonate catalyst which increases the rate of reaction many folds. The cost of catalyzed reaction decreases as activation energy decreases.

Catalyst is a substance that enhance the rate of any chemical reaction without participating in the chemical reaction. Catalyst generally increases the rate of reaction by lowering the activation energy of that chemical reaction.

Biodiesel is formed by reaction of vegetable oil. For the conversion of vegetable oil to biodiesel oil we use calcium carbonate as catalyst.

As we said earlier that catalyst reduces activation energy that means requires less energy for conversion. So we need lower cost to provider lower energy. Hence use of catalyst reduces costs.

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Answer: 23 g

Explanation:

Amountafter = Amountbefore * (1/2)^(t/thalf)

Amountafter = (750 grams) * (1/2)^(62.0 hours/12.4 hours)

Amountafter = 23.4375 grams

750 has 2 significant digits

12.4 and 62.0 have 3 significant digits

So we take the lower of 2 significant digits:

23 grams

The half-life of 42K is 12.4 hours. 23.4375 grams of a 750 grams sample left after 62.0 hours.

Half life is the amount of time required to reduce to one-half of its initial value. The symbol of half life is \(t_{1/2}\).

It is expressed as:

\(N(t) = N_{0} (\frac{1}{2})^{\frac{t}{t_{1/2}}\)

where,

N(t) = quantity remaining

N₀ = initial quantity

t = elapsed time

\(t_{1/2}\) = half-life of the substance

Here,

N₀ = 750.0 g

t = 62 hr

\(t_{1/2}\) = 12.4

Now put the values in above equation we get

\(N(t) = N_{0} (\frac{1}{2})^{\frac{t}{t_{1/2}}\)

\(N(t) = 750 \times (\frac{1}{2} )^{\frac{62}{12.4}}\)

\(N(t) = 750 \times (\frac{1}{2})^5\)

\(N(t) = 750 \times \frac{1}{32}\)

N(t) = 23.4375 grams

Thus, from the above conclusion we can say that the 23.4375 grams of a 750 grams sample left after 62.0 hours.

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Answer:

Unicellular organisms consist of only one cell and multicellular organisms consist of many cell.

Explanation:

Living things made up of a cell are called unicellular beings. They are very small and simple. In other words, unicellular organisms are those that are formed only by a single cell in which all the vital functions necessary for life are produced. For this reason, they are mostly microscopic organisms. Examples of unicellular organisms are viruses or bacteria.

Multicellular organisms are made up of a large number of cells. They present, therefore, a greater complexity than unicellular organisms in terms of the functions they develop. All current multicellular organisms come from a single cell, that is, they begin their life being unicellular. That is, they are formed from a zygote. Some examples of multicellular organisms are mammals, fungi, and mosses.

So, unicellular organisms consist of only one cell and multicellular organisms consist of many cell.

The coordination number around the central metal atom in ammonium diaquabis(oxalato)nickelate(II) is 6.

In the given compound, ammonium diaquabis(oxalato)nickelate(II), the nickel (Ni) ion is the central metal atom. The coordination number refers to the number of ligands (atoms or molecules) that are directly bonded to the central metal atom. In this case, there are two oxalate ligands (C₂O₄²⁻) and two water ligands (H₂O) bonded to the nickel ion, resulting in a coordination number of 6.

Each oxalate ligand contributes two oxygen atoms, and each water ligand contributes one oxygen atom, giving a total of six ligands surrounding the central nickel atom.

Therefore, in the compound ammonium diaquabis(oxalato)nickelate(II), the central metal atom has a coordination number of 6.

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The molar mass of ethanol is 46.069 g/mol because it has 2 mol of carbon atoms (2 12.011 g), 6 mol of hydrogen atoms (6 1.0079 g), and 1 mol of oxygen atoms (1 15.9994 g) in 1 mol.

Ethanol has a molar mass of 46 gmol-1.

Because you already know, molar mass refers to the entire mass of one molecule of a certain substance, and the basic chemical formula of ethanol is C2H5OH. So, if there are numerous atoms in a compound, we may calculate its molar mass by adding up the masses of its constituent atoms and multiplying the result by the number of atoms. We may calculate the molar mass of ethanol as 2x(molar mass of carbon) + 6x(molar mass of hydrogen) + 1x(molar mass of oxygen), or 2x12 + 6x1 + 1x16 = 24 + 16 + 6 = 46, since ethanol contains two carbon atoms, six hydrogen atoms, and one oxygen atom.

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There are 0.100 moles of calcium carbonate (CaCO₃) present in 10 grams of the substance.

To find the number of moles of a substance, you can use the formula:

moles = mass / molar mass

First, we need to find the molar mass of calcium carbonate (CaCO₃). The molar mass of a compound is the sum of the molar masses of each element in the compound.

So, the molar mass of calcium carbonate (CaCO₃) is:

CaCO₃ = 40 + 12 + (16 x 3) = 100

Now, we can use the formula to find the number of moles:

moles = mass / molar mass = 10 / 100 = 0.100

Therefore, there are 0.100 moles of calcium carbonate (CaCO₃) present in 10 grams of the substance.

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Answer:

Nucleus, golgi apparatus, cell membrane

Answer:

Eukaryotic Cell Structure

However, unlike prokaryotic cells, eukaryotic cells have: a membrane-bound nucleus. numerous membrane-bound organelles (including the endoplasmic reticulum, Golgi apparatus, chloroplasts, and mitochondria) several rod-shaped chromosomes.

UV-visible spectroscopy  used to measure the concentration of the molecules in a dilute solution. The part of the molecule that can absorb uv-visible light is called as chromophores.

UV-visible spectroscopy  used to measure the concentration of the molecules in a dilute solution. The part of the molecule that can absorb uv-visible light is called as chromophores. The absorption of the UV - visible radiation in the organic molecules is restricted for some molecules that contains the valence electrons of low energy.

The chromophore is the region in the molecule in which the difference in the energy between the two molecular orbitals comes in the range of the visible spectrum.

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Explanation:

retype the equation.

the equation is'nt complete

In the Lewis structure for selenium tetrafluoride (SeF4), the central atom is selenium (Se). It has six valence electrons, and each fluorine (F) atom brings one valence electron, for a total of 24 valence electrons. So the answer is there are two lone pairs of electrons on the Se atom in the Lewis structure for SeF4.

To form the Lewis structure, we start by connecting the Se atom to four F atoms with single bonds, which uses up eight electrons. Then, we place the remaining 16 electrons as lone pairs around the F atoms. This gives each F atom a full octet (eight valence electrons), but leaves the Se atom with only four electrons around it. Therefore, there are two lone pairs of electrons on the Se atom in the Lewis structure for SeF4.

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The addition product formed when 1-methylcyclohexa-1,4-diene reacts with HCl is 4-chloro-4methylcyclohex-1-ene.

The dienes referred to compounds comprising two double bonds. The structure acting as reactant in question has one diene that is two double bonds. Now, we are required to add one equivalent of HCl. The alkenes or dienes have the ability to undergo addition reaction which is the property that makes possible the stated reaction.

The one equivalent of HCl will be added to one double bond while other will remain untouched. The tertiary carbocation formed here will be stable. The product obtained in the reaction will be 4-chloro-4methylcyclohex-1-ene.

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The figure in question and subsequently reaction figure is attached as picture.

The gravitational force will be the same because as the mass of the objects increase, the separation distance will lead to weaker gravitational forces.

Gravitational force simply means the force that attracts objects that have mass. It pulls masses together.

From the information given, the gravitational force between the star and planet A will be the same as the gravitational force between the star and planet B.

As the mass increases, the force of gravitational attraction also increases. This will then lead to the separation distance will lead to weaker gravitational forces.

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The correct answer to the question is the fourth option, where a molecule of ammonia combines with a proton to form the complex ion known as ammonium. This is an example of a Lewis acid-base reaction, where ammonia acts as a Lewis base and accepts a proton from a Lewis acid, forming a new compound. The other options do not involve Lewis acid-base reactions. For example, the first option involves an ionic bond formation between an ammonium ion and a chloride ion, and the second option involves a redox reaction between metallic potassium and oxygen. The third option involves a single displacement reaction between zinc and copper ions in a chloride salt.

A Lewis acid is a molecule or an ion that can accept an electron pair, while a Lewis base is a molecule or an ion that can donate an electron pair. In a Lewis acid-base reaction, a Lewis acid accepts an electron pair from a Lewis base to form a new compound.

Among the given options, the fourth option is an example of a Lewis acid-base reaction. In this option, a molecule of ammonia (NH3) acts as a Lewis base and accepts a proton (H+) from a Lewis acid to form the complex ion known as ammonium (NH4+). Here, the proton acts as a Lewis acid by accepting the electron pair from the nitrogen atom in ammonia.
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Answer: The molecules of Bree’s potato are moving faster than the molecules of Rico’s potato.

Explanation:

The intermolecular forces that act between a nitrogen trichloride (NCl3) molecule and a dichloroethylene (CH2Cl2) molecule are dipole-dipole interactions and dispersion forces.

Intermolecular forces refer to the attractive and repulsive forces that occur between molecules in a substance. These forces arise due to the interactions between the charges on the atoms or molecules that make up the substance. Intermolecular forces are responsible for the physical properties of matter such as melting and boiling points, surface tension, and viscosity.

The types of intermolecular forces include London dispersion forces, dipole-dipole forces, and hydrogen bonding. London dispersion forces are present in all molecules and arise due to temporary fluctuations in the electron density of the molecule. Dipole-dipole forces occur in polar molecules where the positively charged end of one molecule interacts with the negatively charged end of another. Hydrogen bonding is a type of dipole-dipole force that occurs between a hydrogen atom bonded to an electronegative atom such as nitrogen, oxygen, or fluorine and a lone pair of electrons on another electronegative atom.

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Answer:

Physical property

Explanation:

We can visualize the property without the need to do any experiments.