Balanced Chemical Equation
4C14H10O2 + 4NaBH4 → 4C14H14O2 + 2Na2 + B4

The chemical commonly used to destroy bacteria and disinfect implements and non-porous surfaces is called a disinfectant.

Disinfectants are specifically formulated to kill harmful microorganisms, such as bacteria, viruses, and fungi. They are typically applied to surfaces using a spray or wipe and allowed to sit for a certain amount of time to effectively kill the bacteria. It is important to note that disinfectants should only be used on non-porous surfaces as they may not be effective on porous surfaces. Additionally, it is important to always follow the instructions on the label and use the proper concentration of disinfectant to ensure that it is effective.
A chemical used to destroy bacteria and to disinfect implements and non-porous surfaces is called a disinfectant. These chemicals are specifically designed to eliminate or reduce the presence of harmful microorganisms on various objects and surfaces. To use a disinfectant:
1. Choose an appropriate disinfectant that is effective against the specific bacteria you want to eliminate.
2. Read the manufacturer's instructions on the label to ensure proper usage and safety precautions.
3. Clean the implements and non-porous surfaces thoroughly to remove any visible dirt or debris.
4. Apply the disinfectant to the cleaned surfaces according to the manufacturer's instructions. This may involve spraying, wiping, or soaking the surfaces or implements.
5. Allow the disinfectant to remain on the surfaces for the recommended contact time to ensure maximum effectiveness.
6. Rinse the implements or surfaces with water if required, or allow them to air dry if applicable.
By following these steps, you can effectively use a chemical disinfectant to destroy bacteria and disinfect implements and non-porous surfaces.

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Due to the presence of two reactants and a single product, both chemical reactions X and Y are possible.

A synthesis reaction results in the formation of a single product that is more complicated than the initial reactants when two or more reactants are present.

When two or more reactants unite to create a single product, the reaction is called a synthesis. The general equation A + B = AB is used to describe this kind of reaction.

According to the definition of synthesis reactions, two reactants unite to create a chemical. In a synthesis reaction, two or more substances mix chemically to generate a single compound or a product.

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Answer: A

Explanation: It said on Course Hero

Answer: The concentration of the acid Vincent produced is 0.083 M.

Explanation:

Given: Mass = 6.5 g

Volume = 600.0 mL (1 mL = 0.001 L) = 0.6 L

Moles is the mass of substance divided by its molar mass. So, moles of bromic acid (molar mass = 128.91 g/mol) are calculated as follows.

\(Moles = \frac{mass}{molar mass}\\= \frac{6.5 g}{128.91 g/mol}\\= 0.05 mol\)

Molarity is the number of moles of a substance present in liter of a solution.

Therefore, molarity (concentration) of the given solution is calculated as follows.

\(Molarity = \frac{no. of moles}{Volume (in L)}\\= \frac{0.05 mol}{0.6 L}\\= 0.083 M\)

Thus, we can conclude that the concentration of the acid Vincent produced is 0.083 M.

The rate and quantity of carbon flow today has increased exponentially compared to 300 years ago.

Carbon flow refers to the process by which carbon flows through the earth.

Carbon flow can also be referred to as the carbon cycle.

Due to industrialization and the burning of fossil fuels, the rate of carbon flow has increased exponentially.

Therefore, compared to 300 years ago, the rate and quantity of carbon flow has increased.

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The reaction between methanol and oxygen gas produces water vapor and carbon dioxide according to the balanced chemical equation: 2CH3OH(l) + 3O2(g) ⟶ 4H2O(g) + 2CO2(g).

The given chemical equation represents the combustion reaction of methanol (CH3OH) with oxygen gas (O2). In this reaction, two molecules of methanol react with three molecules of oxygen gas to produce four molecules of water vapor (H2O) and two molecules of carbon dioxide (CO2).

The coefficients in the balanced chemical equation indicate the stoichiometric ratios between the reactants and products. This means that for every two molecules of methanol and three molecules of oxygen gas, four molecules of water vapor and two molecules of carbon dioxide are produced. The equation also shows that the reaction occurs in the gas phase.

The reaction between methanol and oxygen is an example of an exothermic reaction, releasing energy in the form of heat and light. Methanol serves as the fuel source, while oxygen acts as the oxidizing agent. The combustion of methanol is a common process used in various applications, such as fuel cells and internal combustion engines.

By understanding the balanced chemical equation and the stoichiometry of the reaction, chemists can predict the amounts of reactants consumed and products formed. This information is crucial for designing and optimizing chemical processes and understanding the energy transformations involved.

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In total, there would be approximately 11,997.17 grams of glucose if there were 4.00 x 1025 molecules of glucose.

When given the molecules of a compound and are asked to determine the number of grams of the compound, one would use Avogadro's number to convert the number of molecules to moles and then use the molar mass to convert to grams.

First, let's determine the number of moles of glucose (C6H12O6) in 4.00 x 1025 molecules of glucose. We can use Avogadro's number to determine this:

1 mole of a substance = 6.022 x 1023 particles of that substance

Therefore, the number of moles of glucose in 4.00 x 1025 molecules of glucose can be calculated as follows:

moles = (4.00 x 1025 molecules)/(6.022 x 1023 molecules/mol)

= 66.5 moles of glucose

Next, we can convert the number of moles to grams using the molar mass of glucose (C6H12O6):

Molar mass of glucose (C6H12O6) = 6(12.01 g/mol) + 12(1.01 g/mol) + 6(16.00 g/mol) = 180.18 g/mol

Therefore, the mass of 66.5 moles of glucose can be calculated as follows

:mass = moles x molar mass= 66.5 mol x 180.18 g/mol= 11,997.17 g

So, if there are 4.00 x 1025 molecules of glucose, the mass of glucose would be approximately 11,997.17 grams.

Answer: In total, there would be approximately 11,997.17 grams of glucose if there were 4.00 x 1025 molecules of glucose.

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When 2.60 moles of pentane react with excess oxygen, 13.0 moles of carbon dioxide will form.

The balanced equation for the combustion of pentane (C₅H₁₂) with oxygen (O₂) to form carbon dioxide (CO₂) and water (H₂O) is:

C₅H₁₂ + 8O₂ → 5CO₂ + 6H₂O

From the balanced equation, we can see that for every 1 mole of pentane, 5 moles of carbon dioxide are produced. Therefore, if 2.60 moles of pentane react, we can calculate the moles of carbon dioxide formed using the mole ratio:

2.60 moles C₅H₁₂ x (5 moles CO₂ / 1 mole C₅H₁₂) = 13.0 moles CO₂

Therefore, when 2.60 moles of pentane react with excess oxygen, 13.0 moles of carbon dioxide will form.

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The Atomic Number (Z) indicates the number of protons in an atom of an element. If the atom is neutral then the number of protons will be equal to the number of electrons. So the atomic number can also indicate the number of electrons.

Mass Number (A) = Number of protons + Number of Neutrons

Atomic Number (Z) = Mass Number (A) - Number of Neutrons

Atomic number = number of protons = number of electrons  ⇒ neutral atoms

Atomic number - positive charge = number of electrons ⇒ cation

Atomic number + negative charge = number of electrons ⇒ anion

You can also see the periodic system

A. Indium (In)

B. proton = electron = 27

C. proton = electron = 73

D. proton = electron = 49

E=F. atomic mass - neutron = 137 - 81 = 56

G. atomic mass-proton = 115- 49 = 66

H. 181-73 = 108

Answer:

I know I´m kinda late but....

Explanation:

A. In

B. 27

C. 73

D. 49

E. 56

F. 54

G. 66

H. 108

I. 32

The material that forms oxide in the presence of oxygen and water only, and its suspension in water turns red litmus blue is Sodium oxide (Na2O).

Sodium oxide (Na2O) is a material that reacts with water and forms a basic solution with a pH greater than 7. It forms oxide in the presence of oxygen and water only. The chemical equation for the reaction of sodium oxide with water is given below:Na2O + H2O → 2NaOH.

The water molecules get hydrolyzed by sodium oxide to form sodium hydroxide (NaOH), which is a strong base. Sodium hydroxide gives a basic solution with a pH of about 12. It has the property of turning red litmus blue. Therefore, the material is Sodium oxide (Na2O).Hence, the main answer is Sodium oxide (Na2O).

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Answer:

the third one

Explanation:

Answer:

218.09g

Explanation:

the formula for density is mass/volume

you have volume so rlly what you have is 19.3g/cm3=m/11.3cm3

so mass equals density x volume

and 19.3 x 11.3 = 218.09

Electron transfer pumps protons out of the matrix. As the protons reenter through the ATP synthase, ATP is produced in the matrix.

A negatively charged subatomic particle known as an electron can either be free or attached to an atom (not bound). One of the three main types of particles within an atom is an electron that is bonded to it; the other two are protons and neutrons.

The words electric and ion are combined to form the word electron. In turn, electron is derived from the suffix -on, which is currently used to describe other subatomic particles, such as a proton or neutron.

The atom is made up of the subatomic particles electron, proton, and neutron. The atom is made up of a core nucleus that has neutrons and protons in it. The electrons that surround the nucleus.. Neutrons are neutral, protons are positively charged, and electrons are negatively charged.

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To find the number of atoms of neon in 56.22 L of neon gas, we will use the Avogadro's Law equation.Moles = Volume/22.4 liters Avogadro's number = 6.022 x 10²³ atoms/moleThe mass of a mole of neon is 20.18 g/mole.Let's find out.

How many moles of neon are in 56.22 liters of neon gas.Number of moles = 56.22/22.4 = 2.51 moles of neon atomsNow, we can calculate the number of atoms in 56.22 liters of neon atoms using the Avogadro's Law.Number of neon atoms = 6.022 x 10²³ atoms/mole × 2.51 moles of neon atoms= 15.1 x 10²³ neon atomsIn 56.22 L of neon gas, there are approximately 15.1 x 10²³ atoms of neon.

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No, the volume of water in a beaker is not an extensive property.

Extensive properties are those that depend on the amount or size of the substance being measured. In other words, they are properties that change with the quantity of the substance. Examples of extensive properties include mass, volume, and total energy.

In the given scenario, the volume of water in the beaker is 50 milliliters. This volume remains the same regardless of the quantity of water present. Whether it's 50 milliliters or 500 milliliters, the volume measurement does not change. Therefore, the volume of water in the beaker is an example of an intensive property.

Intensive properties are independent of the amount or size of the substance. They are characteristics that remain constant regardless of the quantity of the substance. Examples of intensive properties include temperature, density, and color.

It's important to note that the distinction between extensive and intensive properties depends on the specific property being considered. While volume is typically an extensive property for a bulk substance, in the case of a fixed volume of water in a beaker, it becomes an intensive property.

In summary, the volume of water in a beaker is not an extensive property but rather an intensive property because it does not change with the quantity of the substance.

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Radial symmetry is a type of body symmetry where each plane that passes through the centre splits the body into two equally sized halves.

The capacity of an animal's body plan to be divided along a line that divides the animal's body into nearly identical right and left halves is known as bilateral symmetry. Arrangement of identical pieces in a circle around a central axis is a type of symmetry.

The organism can be divided into additional planes with identical parts in radial symmetry. In biradial symmetry, the organism can be divided solely in two planes rather than all three as in radial symmetry.

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The molecular weight (W) of the polyatomic ideal gas is equal to the temperature (T) divided by the volume (V) calculated as 0.123 kJ/(K).

The molecular weight (W) of the polyatomic ideal gas can be determined using the ideal gas equation:

PV = mRT

where:

P = pressure of the gas (in this case, it is not given)

V = volume of the gas (in this case, it is not given)

m = mass of the gas (in kilograms)

R = ideal gas constant (0.123 kJ/(kg.K))

T = temperature of the gas (in Kelvin)

To calculate the molecular weight (W), we need to find the value of m. Since the pressure and volume are not provided, we can rearrange the ideal gas equation as follows:

m = PV / (RT)

Now, let's assume a hypothetical situation where we have 1 kg of the polyatomic ideal gas. In this case, the mass (m) would be equal to 1 kg.

Substituting the values into the equation:

m = (1 kg) * V / (0.123 kJ/(kg.K) * T)

Here, we can see that the units of kilograms (kg) cancel out, leaving us with:

1 = V / (0.123 kJ/(K))

To isolate V, we multiply both sides of the equation by 0.123 kJ/(K):

0.123 kJ/(K) = V

Now, we have the volume (V) in cubic meters. The molecular weight (W) can be calculated using Avogadro's law, which states that equal volumes of gases, at the same temperature and pressure, contain an equal number of molecules.

To calculate the molecular weight (W), we need to determine the number of moles (n) of the gas. The number of moles can be found using the equation:

n = PV / (RT)

However, since the pressure and volume are not provided, we cannot calculate the number of moles directly. Instead, we can make use of the molar mass (M) of the gas, which is the mass of 1 mole of the gas.

The molar mass (M) is related to the molecular weight (W) as follows:

M = W / 1000

Since we assumed a mass of 1 kg earlier, the molar mass (M) can be calculated as:

M = (1 kg) / n

Substituting the value of n from the equation above:

M = (1 kg) / (PV / (RT))

M = RT / PV

Now, substituting the value of R (0.123 kJ/(kg.K)) and rearranging the equation:

M = (0.123 kJ/(kg.K)) * T / (0.123 kJ/(K) * V)

The units of kJ cancel out, leaving us with:

M = T / V

Using the value of V we calculated earlier (0.123 kJ/(K)), we can determine the molecular weight (W) of the polyatomic ideal gas.

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False.

12 grams of carbon-12 constitutes 1 mole of carbon. 1 mole of any substance contains Avogadro number of particles.

A mole is a unit of measurement in chemistry.

one mole of something is equal to as many of that something as there are atoms in 12 grams of the isotope carbon-12.

Avogadro’s wide variety, the wide variety of gadgets in a single mole of any substance (described as its molecular weight in grams), is the same as 6.02214076 × 1023. The gadgets can be electrons, atoms, ions, or molecules, relying on the character of the substance and the individual of the reaction.

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Answer: False

Explanation: Did the exam

The model shown should demonstrate why planets do not end up going into the sun as follows: The planets move too fast to go into the sun. (option A).

Planets are the bodies that orbit round the sun. The planets are seven in number as follows:

According to this question, a student looks at an animated model of the planets orbiting the sun. In reality, this planets do not go into the sun because they are far away from the sun.

The Earth as a planet for example is not moving fast enough to escape the sun's gravity and leave the solar system, but it is going too fast to be pulled into the sun. Therefore, it keeps going around and around in an orbital manner.

Therefore, the model shown should demonstrate why planets do not end up going into the sun as follows: The planets move too fast to go into the sun.

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Answer:

Its high

Explanation:

Becuase if u times it what do u get

To achieve a pH of 0.00 by adding HCl(g) to 1.0 L of 5.5 M NaOH, 11 moles of HCl must be added. This calculation is based on the concept of neutralization, where the number of moles of HCl added should be equal to the number of moles of NaOH initially present.

The molarity of NaOH is given as 5.5 M, which means there are 5.5 moles of NaOH in 1.0 L of the solution. To neutralize this amount of NaOH and achieve a pH of 0.00, an equal number of moles of HCl should be added. Therefore, 5.5 moles of HCl are needed. However, since HCl has a 1:1 stoichiometric ratio with NaOH, and the goal is to achieve a pH of 0.00, which is highly acidic, an additional 5.5 moles of HCl should be added, resulting in a total of 11 moles of HCl. This ensures complete neutralization of the NaOH and the desired acidic pH of 0.00.

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The vanilla extract can be used in the house to;

Vanilla beans are steeped in ethyl alcohol and water to produce vanilla extract, an aromatic, amber-colored liquid. pure vanilla extract is gotten through macerating and percolating vanilla pods in an ethanol and water mixture, vanilla extract is created.

In many Western sweets, particularly baked goods like cakes, cookies, brownies, and cupcakes, as well as custards, ice creams, and puddings, it is seen as a necessary component.

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To calculate the amounts of solvent and solute needed for the given solutions, we'll use the concept of proportions.

Prepare 16 oz of 5/8 strength Povidone-iodine solution:

Amount of Solvent: X

Amount of Solute: 5/8 of X

Since the total volume of the solution is 16 oz, we can set up the proportion:

X/16 = 5/8

To solve for X (amount of solvent), we cross-multiply and solve for X:

8X = 16 * 5

8X = 80

X = 80/8

X = 10

So, the amount of solvent needed for the solution is 10 oz, and the amount of solute (Povidone-iodine) will be 5/8 of 10 oz, which is 6.25 oz.

Prepare 10 oz of 3/4 strength Nepro:

Amount of Solvent: Y

Amount of Solute: 3/4 of Y

Since the total volume of the solution is 10 oz, we can set up the proportion:

Y/10 = 3/4

To solve for Y (amount of solvent), we cross-multiply and solve for Y:

4Y = 10 * 3

4Y = 30

Y = 30/4

Y = 7.5

So, the amount of solvent needed for the solution is 7.5 oz, and the amount of solute (Nepro) will be 3/4 of 7.5 oz, which is 5.625 oz.

Therefore, for the given solutions:

7. Prepare 16 oz of 5/8 strength Povidone-iodine solution:

Amount of Solvent: 10 oz

Amount of Solute: 6.25 oz

Prepare 10 oz of 3/4 strength Nepro:

Amount of Solvent: 7.5 oz

Amount of Solute: 5.625 oz

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A gas under constant pressure will expand when heated.

The temperature is the degree of hotness or coldness of the object.

According to the ideal gas law.

pV= nRT

where, p = pressure. V = volume, n =moles of elements, R =universal gas constant and T =temperature.

When pressure is kept constant, volume is directly proportional to the temperature.

When temperature is increased or an object is heated, the volume also increases i.e expands.

Thus, a gas under constant pressure will expand when heated.

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Answer

4.76 mol Fe

Procedure

Consider the following balanced equation and determine the limiting reagent using the coefficients method

2Al(s) + Fe₂O3(aq)--> Al2O3(aq) + 2Fe(s)

The lowest amount is the one produced by the iron (III) oxide therefore that is the limiting reagent and 4.76 mol of Fe is the max amount that can be produced of Iron.

When refrigerant is in a high-pressure, high-temperature state, it enters the metering device. The refrigerant is then changed to a low-pressure, low-temperature state as a result of the metering device. As a result, the refrigerant will expand and the heat will be absorbed as the temperature decreases.

The metering device is a component in a refrigeration or air conditioning system that ensures that the correct amount of refrigerant is delivered to the evaporator. The device functions as a flow control, reducing the refrigerant's pressure before it reaches the evaporator. The metering device may be a simple capillary tube, an orifice, an automatic expansion valve (AEV), or a thermostatic expansion valve (TXV). The capillary tube is the simplest and least expensive metering device. It's just a small copper tube that's thin and long. The AEV is a constant pressure valve that maintains a consistent pressure drop across it, allowing it to regulate the refrigerant flow. A thermostatic expansion valve is the most sophisticated metering device, as it can sense the temperature at the evaporator outlet and adjust the refrigerant flow accordingly.

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The empirical formula of the compound containing 9.39 g of phosphorus and 0.61 g of Hydrogen is  PH₂

The empirical formula of the compound can be obtained as follow:

Divide by their molar mass

P = 9.39 / 31 = 0.303

H = 0.61 / 1 = 0.61

Divide by the smallest

P = 0.303 / 0.303 = 1

H = 0.61 / 0.303 = 2

Thus, the empirical formula of the compound is PH₂

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Answer:

the third one.

Explanation:

According to law of conservation of mass,before and after the reaction copper sulfate and zinc metal interact, an atom of zinc replaces an atom of copper while the sulfate molecule, made of 5 atoms, is unchanged.  there are 5 atoms.

According to law of conservation of mass, it is evident that mass is neither created nor destroyed rather it is restored at the end of a chemical reaction .

Law of conservation of mass and energy are related as mass and energy are directly proportional which is indicated by the equation E=mc².Concept of conservation of mass is widely used in field of chemistry, fluid dynamics.

Law needs to be modified in accordance with laws of quantum mechanics under the principle of mass and energy equivalence.This law was proposed by Antoine Lavoisier in the year 1789.

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Nonpolar solutes, such as hydrocarbons and oils, dissolve readily in gasoline.

Gasoline is a nonpolar solvent primarily composed of hydrocarbons. Nonpolar solvents dissolve nonpolar solutes more readily due to their similar molecular structures and intermolecular forces.

Polar solutes, on the other hand, have a separation of positive and negative charges within their molecules and are less likely to dissolve well in gasoline. Examples of polar solutes include water (H2O) and various ionic compounds.

Gasoline is commonly used as a solvent for nonpolar substances, such as oils, grease, and hydrocarbons found in fuels and lubricants. The nonpolar solute molecules can mix easily with the nonpolar gasoline molecules, forming a homogenous solution.

In conclusion, nonpolar solutes dissolve readily in gasoline due to their similar nonpolar nature. This compatibility arises from the shared molecular structure and intermolecular forces between the solute and the solvent. On the other hand, polar solutes, which have a separation of positive and negative charges within their molecules, are less likely to dissolve well in gasoline.

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Solid iron(ii) hydroxide decomposes to form solid iron(ii) oxide and liquid water. The balanced chemical equation for the reaction described as :

Fe(OH)₂(s)  ---->  FeO(s)   +  H₂O(l)

The Solid iron(ii) hydroxide decomposes to form solid iron(ii) oxide and liquid water is given as :

Fe(OH)₂(s)  ---->  FeO(s)   +  H₂O(l)

balanced reaction have atoms in the reactant side equal to the product side.

                      reactant      product

Fe                       1                     1

O                        2                     2

H                        2                     2

so the reaction is balanced equation.

Fe(OH)₂(s)  ---->  FeO(s)   +  H₂O(l)

Thus, Solid iron(ii) hydroxide decomposes to form solid iron(ii) oxide and liquid water. The balanced chemical equation for the reaction described as :

Fe(OH)₂(s)  ---->  FeO(s)   +  H₂O(l)

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