what is genetic tagging

Answer:

silver

Explanation:

The most electrically conductive element is silver, followed by copper and gold. Silver also has the highest thermal conductivity of any element and the highest light reflectance.

Answer:

A. copper

Explanation:

edge 2021

Effect of the initial temperature on the temperature change of the water is because of adding a constant amount of energy the water

Initial temprature is the average temprature of the content of the coldest container to be processed at the time the thermal processing cycle begins and the effect of the initial temperature on the temperature change of the water and this happen because of the cylinder system is adding a constant amount of energy to the water

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Answer:

With our modern tools and increased rate of mining industries being built, id say we deal a big impact on mineral exportation.

Explanation:

Answer:

Questions about value.

Questions of morality[2]

Questions about the supernatural.

Questions concerning ultimate reality

Explanation:

d. water is a polar molecule that's why it can dissolve ionic compounds.

The polarity of water refers to its molecular structure, where the oxygen atom has a partial negative charge and the hydrogen atoms have partial positive charges. This makes water a polar molecule, meaning that it has a positive and negative end. Due to its polarity, water is able to dissolve ionic and polar substances, making it an excellent solvent. This property of water is important in many biological and chemical processes.

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Answer:

Frequency is 2Hz

Explanation:

Answer:

Simple molecules contain only a few atoms held together by covalent bonds .

Answer:

Explanation:

Repeated tests help determine whether the hypothesis is always true in different circumstances. Repeatedly testing a hypothesis qualifies it to be accepted as a theory.

For example, the atomic mass of an oxygen atom is 16.00 amu; that means the molar mass of an oxygen atom is 16.00 g/mol. Further, if you have 16.00 grams of oxygen atoms, you know from the definition of a mole that your sample contains 6.022 x 10^23 oxygen atoms.

Answer:

12 cups

Explanation:

The chemical equation for the reaction between carbon oxide and nitrogen oxide is shown below:

\(CO + NO \rightarrow CO_2 + N_2\)

A chemical equation is an equation which uses the symbols of elements and compounds to represent the reactions which occur between elements or compounds to form products.

The chemical symbol for carbon is C, nitrogen is N, and oxygen is O.

The equation representing the reaction between carbon oxide and nitrogen oxide is shown below:

\(CO + NO \rightarrow CO_2 + N_2\)

Therefore, the chemical equation for the reaction between carbon oxide and nitrogen oxide represents the reaction to form carbon dioxide and nitrogen gas.

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Answer:

To make glue. aaaaaaaaa

Answer:

Cleaning

Explanation:

Hydrochloric acid is an ingredient in household cleaners because it helps clean tough stains.

The type of line that is shown on the weather map is called an: A. isobar.

An isobar can be defined as a type of line that is drawn on a weather map to join points with the same atmospheric pressure, so as to show the distribution of atmospheric pressure in a specific geographical region on Earth's surface.

This ultimately implies that, a type of line that is shown on the weather map is called an isobar.

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For fermentation process to successfully occur, Oxygen gas (O2) must not enter the carboy, because the pyruvate used in the process, gets completely oxidized when oxygen gas is present.

Fermentation is a metabolic process that always must take place in the absence of oxygen. Many of the beneficial microorganisms, create desired changes in different types of beverages and foods through this process of fermentation. And the resulting products of fermentation reaction thus formed, have better/more favorable flavor and taste, and also more life as they get preserved during the process. In addition to this, these microorganisms also provide several health benefits.

The process of fermentation to occur successfully, does not require oxygen gas as it is an anaerobic process. If by any chance or means, oxygen gas is present, the pyruvate used would be completely oxidized during the reaction forming carbon dioxide and water molecules as the by products, by the action of yeast spiration. Moreover, these yeast species needed in the reaction, produce ethanol only in an anaerobic (oxygen-less) environment by another process called the Pasteur Effect.

There are generally three types of fermentation processes based on the end products obtained using the pyruvate. They are:

Acetic Acid Fermentation, Lactic Acid Fermentation, and Alcoholic Fermentation.

Therefore, Oxygen Gas is the correct answer to this question.

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Answer:

Explanation:

The volume of the pebble is 27 mL - 25 mL = 2 mL.

The density of the pebble is its mass divided by its volume, so the mass of the pebble is 6 g / 2 mL = 3 g/mL.

The density of the pebble is therefore 3 g/mL.

The molecular formula mass of a compound is equal to the sum of the atomic masses of all the atoms in one molecule of the compound. Given that the molecular formula mass of a compound is 60.0 amu,

The molecular formula mass of a compound is 60.0 amu. It is important to note that the actual molecular formula of the compound was not given. Since the molecular formula mass of a compound is equal to the sum of the atomic masses of all the atoms in one molecule of the compound, the molecular formula mass can be used to determine the empirical formula of the compound.For instance, consider the molecular formula mass of glucose, which is C6H12O6. Its molecular formula mass is calculated by adding up the atomic masses of the constituent atoms: 6(12.01 amu) + 12(1.01 amu) + 6(16.00 amu) = 180.18 amu. This means that the molecular formula mass of glucose is 180.18 amu.

However, the molecular formula of a compound may not necessarily be its empirical formula. The empirical formula of a compound is the simplest whole number ratio of atoms of each element in the compound.For example, the empirical formula of glucose can be found by dividing the subscripts in the molecular formula by their greatest common factor: C6H12O6 → CH2O. This means that the empirical formula of glucose is CH2O.In conclusion, the subscripts in the actual molecular formula of a compound cannot be determined from the molecular formula mass alone. More information about the composition of the compound is needed to determine the actual molecular formula.

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Mole measure the number of elementary entities of a given substance that are present in a given sample. Therefore, all amounts are the same. The correct option is option D.

The SI unit of amount of substance in chemistry is mole. The mole is used to measure the quantity of amount of substance. It measure the number of elementary entities of a given substance that are present in a given sample. There are so many formula for calculating mole. We know one mole of any element contains 6.022×10²³ atoms which is also called Avogadro number.

Calculating the amount of a chemical in grams from moles is among the most often chemistry computations. You will employ the mole ratio of reactants to reagents when balancing equations.

Therefore, all amounts are the same. The correct option is option D.

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Answer:

mercury

Explanation:

because mercury can get turned into liquid in any normal rrom temperature

Answer:

The answer is B, 8,000 years.

Explanation:

If you look at the graph, match 40 percent to the 8th line and boom 8,000 years.

8,000years is the approximate age of the cloth. Hence, option C is correct.

An atom contains a central nucleus surrounded by one or more electrons.

carbon-14 dating is also known as radiocarbon dating which is a method of age determination that depends upon the decay to nitrogen of radiocarbon (carbon-14).

Hence, 8,000years is the approximate age of the cloth.

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Answer:

the oil won't disolve in water because the oils resistance keeps it from not deforming

Answer:

Water and oil are incompatible. They are said to be inseparable. This is because water is a polar molecule, which means it has a positive charge on one end and a negative charge on the other.

Explanation:

Force = The external energy that changes or tends to change the state of any body or object is called force.

Speed = The rate of distance is called speed.

Answer:

Force is a push or pull which changes or tend to change the position of a body.

The rate of change its position with time or magnitude is called speed.

Answer:Main Answer:

The mass of CO2 released in the production of 123,000 g of H2 gas is 265,200 g.

Explanation: From the given equation, we can see that the production of 4 moles of H2 requires the combustion of 1 mole of CH4, resulting in the release of 2 moles of H2O and 1 mole of CO2. The molar mass of H2 is 2 g/mol, and the molar mass of CO2 is 44 g/mol. Therefore, the mass of CO2 released in the production of 123,000 g of H2 is (123,000/2) x (1/4) x 44 = 265,200 g.

(i) The initial-boundary value problem for the given scenarios are as follows:

a) Scenario a:

PDE: ∂u/∂t = k * ∂²u/∂x²

Initial condition: u(x, 0) = 100 (boiling water temperature)

Boundary conditions: u(0, t) = 10, u(L, t) = 10 (constant temperature at the ends)

b) Scenario b:

PDE: ∂u/∂t = k * ∂²u/∂x²

Initial condition: u(x, 0) = 100 (boiling water temperature)

Boundary conditions: u(0, t) = 0 (temperature at x=0), ∂u/∂x(L, t) = 0 (thermal insulation at x=L)

(iii) The solution for the temperature distribution as time approaches infinity can be found by solving the appropriate steady state equation.

(i) The initial-boundary value problem formulation states the partial differential equation (PDE) governing the temperature distribution in the aluminum bar, along with the initial condition and boundary conditions.

In scenario (a), both ends of the bar are immersed in a medium with a constant temperature of 10 degrees Celsius, while in scenario (b), the end at x=0 is immersed in a medium with temperature 0 degrees Celsius and the end at x=L is insulated.

(ii) As time approaches infinity, the temperature distribution in the bar tends to reach a steady state.

In scenario (a), the temperature throughout the bar will eventually approach a constant value of 10 degrees Celsius, since both ends are immersed in a medium with that temperature.

In scenario (b), the temperature at x=0 will approach 0 degrees Celsius, while the temperature at x=L will remain constant due to thermal insulation.

(iii) To find the solution as time approaches infinity, we need to solve the appropriate steady state equation.

In scenario (a), the steady state equation is ∂²u/∂x² = 0, which implies that the temperature gradient is zero throughout the bar, resulting in a constant temperature of 10 degrees Celsius.

In scenario (b), the steady state equation is ∂²u/∂x² = 0 with the boundary condition u(0) = 0, which implies a linear temperature distribution from 0 degrees Celsius at x=0 to a constant temperature at x=L due to insulation.

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Explanation:

hope it helps thanks ❤

brainliest please

Answer:

Explanation:

human obtains energy by eating food. as food is digested n broken down in our digestive system, energy is released to our body.

The symbol that of sodium atom that will be obtained by adding one proton to 23Na is 24Na.

Isotope is any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei.

Thus, isotopes have the same atomic number but a different mass number.

Isotopes of the same element have atoms with the same number of protons but different numbers of neutrons.

Examples of isotopes are Carbon-12 and Carbon-14 where one posseses 6 neutrons and the other possesses 8 neutrons.

According to this question, an isotope of sodium has a formula of 23Na. This means that when a proton is added to the isotope, the formula of the sodium isotope will change by adding 1 to the mass number.

Therefore, the formula of the isotope will change from 23Na to 24Na.

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When 45.0 mL of a 1.90 M H₂SO₄ solution is added to 95.0 mL of 0.600 M H₂SO₄the molarity of the resulting solution is 0.95 M.

To answer the question, we need to know what molarity is.

Molarity is the number of moles per unit volume with volume in liters.

To find the molarity of the resulting solution, we need to find the number of moles in each solution.

Number of moles, n = MV where

Given that we have 45.0 mL of a 1.90 M H₂SO₄ solution.

M' = 1.90 M and V' = 45.0 mL = 0.045 L

So, n' = M'V'

= 1.90 M × 0.045 L

= 0.0855 mol

Given that we have 95.0 mL of 0.600 M H₂SO₄ solution.

M" = 0.600 M and V" = 95.0 mL = 0.095 L

So, n" = M"V"

= 0.600 M × 0.095 L

= 0.057 mol

The number of moles in the resulting solution is n'" = n' + n"

= 0.0855 mol + 0.057 mol

= 0.1425 mol

The volume of the resulting solution is V"' = V' + V"

= 45.0 mL + 95.0 mL

= 150.0 mL

= 0.15 L

The molarity of the resulting solution is M'" = n"'/V"'

= 0.1425 mol/0.15 L

= 0.95 mol/L

= 0.95 M

So, the molarity of the resulting solution is 0.95 M.

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The CFSE does not lower the energy of the system any further, and the complex remains in its ground state.

The splitting of the d5 electronic configuration is a result of a crystal field splitting which occurs when a metal ion is surrounded by a set of ligands in a complex. The d5 configuration refers to an atom or ion with five electrons in its d-orbitals.

When the complex is formed, the five d-electrons will occupy the lower energy level of the d-orbitals (called the t2g level) due to the electrostatic interaction between the negatively charged ligands and the positively charged metal ion. The remaining three d-orbitals (called the eg level) will be higher in energy than the t2g level.

The energy difference between the t2g and eg levels is called the crystal field splitting energy (CFSE), and it depends on the identity of the ligands and the metal ion. In the case of a d5 electronic configuration, all five electrons will occupy the t2g level.

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