What did Helsenberg's Uncertainty Principle show about electrons?

The experimental rate law is; Rate = k[O2] [NO]^2

Thus the reaction is first order with respect to oxygen and second order with respect to nitrogen monoxide

The rate constant, represented by the symbol k, is a proportionality constant that relates the rate of a chemical reaction to the concentration of reactants. The rate constant is specific to a particular reaction and is determined experimentally.

The rate law of a chemical reaction expresses the relationship between the rate of the reaction and the concentrations of the reactants.

We know that;

2.56 * 10^-1/8.52 * 10^-2 = (0.09/0.03)^n

3 = 3^n

n = 1

Again;

7.67 * 10^-1/8.52 * 10^-2 = 0.06/0.02

9 = 3^n

3^2 = 3^n

n = 2

The rate law is;

Rate = k[O2] [NO]^2

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The number of valence electrons in each of the atoms are;

B - 3

Al - 3

Cl - 7

Ne - 8

We define an atom as the smallest part of a substance that can take part in a chemical reaction. We know that when we begin to break down the elements that the atoms can be found in the element and there are sub atomic particles that can also be found inside the atom of the element.

The electrons that are found at the last shell or the outermost shell of the atom are the ones that we call the valence electrons that can be found in the atom.

The electronic configuration of boron is \(1s^2 2s^2 2p^1\) (the n =2 level is the valence shell)

The electronic configuration of Al is \(1s^2 2s^2 2p^6 3s^2 3p^1\)( the n= 3level is the valence shell)

The electron configuration of Cl is \(1s^2 2s^2 sp^6 3s^23p^5\) ( the n= 3level is the valence shell)

The electron configuration of Ne is \(1s^2 2s^2 2p^6\) (the n =2 level is the valence shell)

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The statement "Transition theory focuses on the formation of the complex, which exists at the moment of highest energy in a reaction" is true. Therefore, option A is correct.

The transition state theory is a chemical reaction theory that explains the structure and reactivity of reactive intermediates during a chemical reaction. The transition state theory posits that as a reaction progresses from reactants to products, there must be a moment at which the reactive system is at its highest potential energy.

During this phase, which is known as the transition state, the molecule has a high degree of energy. The rate of reaction can be predicted by comparing the energy barriers that must be overcome during the reaction. The energy needed to get over the energy barrier is referred to as the activation energy, and the transition state theory postulates that this energy is the only barrier that must be overcome for the reaction to proceed.

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Answer:

It keeps prices down for consumers. ... It allows automation to help provide food resources. ... It improves production efficiencies. ... Factory farms make it possible for market variety in every season. ... A factory farm can be established almost anywhere. ... It can lengthen food availability

Explanation:

One of the main drawbacks to having a factory near a town is pollution. Factories generally produce a lot of waste, which could hurt people's health and the environment. This is especially true if the factory uses large amounts of chemicals. Toxic waste may end up polluting the air, water and soil.

Physical conditions that can optimize rate of diffusion of a gas across a membrane and relate these to Fick’s Law of Diffusion are The partial pressure difference of gases, The surface area of the membrane, The thickness of the membrane, Ventilation and Increased surface area

Physical conditions that can optimize rate of diffusion of a gas across a membrane and relate these to Fick’s Law of Diffusion are the following:

The partial pressure difference of gases: It is the main driving force behind gas exchange. Fick's Law of Diffusion states that the rate of diffusion of a gas is directly proportional to the pressure gradient. The greater the partial pressure difference, the faster the rate of gas diffusion.

The surface area of the membrane: Fick's Law of Diffusion states that the rate of gas diffusion is proportional to the surface area of the membrane. The more surface area available for gas exchange, the faster the rate of gas diffusion.

The thickness of the membrane: Fick's Law of Diffusion also states that the rate of gas diffusion is inversely proportional to the thickness of the membrane. The thinner the membrane, the faster the rate of gas diffusion.

Animal respiratory systems have evolved in order to maximize the exchange of O2 and CO2 across their membranes in the following ways:

Ventilation: The movement of air or water over the respiratory surface increases the partial pressure gradient of gases. This increases the rate of diffusion of gases across the membrane.

Increased surface area: Respiratory surfaces have evolved to have a large surface area to increase the rate of diffusion of gases across the membrane.Thin respiratory surfaces: Respiratory surfaces have evolved to be thin to reduce the diffusion distance for gases. This increases the rate of diffusion of gases across the membrane.

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Answer:

a weighing balance, a measuring cylinder, a spatula, a beaker/flask, and a stirrer

Explanation:

The lab apparatus that would be needed to prepare a solution of sodium chloride would be a weighing balance, a measuring cylinder, a spatula, a beaker/flask, and a stirrer.

The weighing balance would be used to weigh out the required amount of sodium chloride. The beaker or flask would be placed on the weighing balance and its weight zeroed. The spatula would then be sued to take out the sodium chloride from its container into the beaker till the required amount is reached. The measuring cylinder would then be used to measure out the required volume of water which would be added to the salt in the beaker. The stirrer would then be used to stir the mixture in order for the salt to dissolve.

The empirical formula of the compound is Na2S2O3.

To determine the empirical formula of a compound, we need to find the simplest whole-number ratio of the elements present in the compound.

We can do this by assuming a 100 g sample of the compound and calculating the number of moles for each element.

Given the percentages by mass, we can assume we have 100 g of the compound. This gives us:

Mass of Na = 29 g

Mass of S = 41 g

Mass of O = 30 g

Next, we convert the masses to moles using the molar masses of the elements:

Molar mass of Na = 22.99 g/mol

Molar mass of S = 32.07 g/mol

Molar mass of O = 16.00 g/mol

Moles of Na = 29 g / 22.99 g/mol ≈ 1.26 mol

Moles of S = 41 g / 32.07 g/mol ≈ 1.28 mol

Moles of O = 30 g / 16.00 g/mol ≈ 1.88 mol

Now, we need to find the ratio of the moles of each element by dividing them by the smallest number of moles, which is approximately 1.26 mol:

Moles of Na / Smallest Moles ≈ 1.26 mol / 1.26 mol ≈ 1

Moles of S / Smallest Moles ≈ 1.28 mol / 1.26 mol ≈ 1

Moles of O / Smallest Moles ≈ 1.88 mol / 1.26 mol ≈ 1.49

Rounded to the nearest whole number, we have approximately a 1:1:1.5 ratio. To obtain whole numbers, we can multiply all the ratios by 2:

Na2S2O3

Therefore, the empirical formula of the compound is Na2S2O3.

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The boiling point of bromine (Br₂) is approximately 59°C. This value is derived from the thermodynamic information provided in the ALEKS Data tab.

To calculate the boiling point of bromine, we can use the thermodynamic data provided in the ALEKS Data tab. The boiling point of a substance is the temperature at which its vapor pressure equals the atmospheric pressure. Bromine's vapor pressure can be determined using the Clausius-Clapeyron equation, which relates the vapor pressure of a substance to its temperature and enthalpy of vaporization. Using the data tab, we can find the enthalpy of vaporization for bromine (ΔHvap = 29.54 kJ/mol) and use it in the equation along with the known vapor pressure and atmospheric pressure to calculate the boiling point. After solving for the temperature, rounding the answer to the nearest degree gives us the boiling point of bromine as 59°C.

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The equation of the formation of lead II nitrate is;

Pb (s) + N2(g) + 3O2(g) --> Pb(NO3)2(s)

The equation of the formation of NaCl is 2Na(s) + Cl2(g) --->NaCl(s)

The equations of formation of the NaCl and Pb(NO3)2 from the standard states have been shown above.

The physical state of a substance under normal circumstances, which are commonly described as a pressure of 1 atmosphere (atm) and a temperature of 25°C, is known as the standard state of a substance.

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Group 4A (or IVA) of the periodic table includes the nonmetal carbon (C), the metalloids silicon (Si) and germanium (Ge), the metals tin (Sn) and lead (Pb), and the yet-unnamed artificially-produced element ununquadium (Uuq). The Group 4A elements have four valence electrons in their highest-energy orbitals (ns2np2).

The equation that corresponds to the formation of liquid water is:

H₂ (g)  +  1/2 O₂ (g)  \(\longrightarrow\) H₂O (l)

Standard enthalpy of formation can be defined as the enthalpy change when 1 mole of a compound is produced from its elements in their most stable state of aggregation at a temperature of 298.15 K and pressure of 1 atm.

Enthalpy of formation is the standard enthalpy of reaction where two or more reactants combine together to form one mole of the product. The standard enthalpy of formation is measured in units in kilojoule per mole (kJ/mol), joule per mole, or kilocalorie per gram.

All elements in their standard states such as oxygen gas, solid carbon (graphite) have a standard enthalpy of formation of zero.

The water formation reaction has a negative value of the standard enthalpy of formation indicating that the formation of water is an exothermic reaction. One mole of water is formed from the reaction of one mole of hydrogen gas and a half mole of oxygen gas.

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Answer:

1. true

2. false

Explanation:

PROMISE PROMISE to make the most of the su in the WORLD CUP and chemica are u doing the meetings with

Answer:

Liquid to solid liquid to gas

Explanation:

Boiling a liquid result in a gas

Answer:

The Kelvin temperature scale is the scale that is based on molecular motion and so absolute zero is also called 0K.

Explanation: The Kelvin temperature of a substance is directly proportional to the average kinetic energy of the particles of the substance.

The molecule that could diffuse across the plasma membrane is methane (CH4).

Diffusion is the movement of fluids or substances from regions of high concentration toward regions of lower concentration.

The plasma membrane is the semipermeable membrane that surrounds the cytoplasm of a cell. The semipermeability means that it allows some molecules through but blocks other substances.

The semipermeable plasma membrane readily allows the passage of small hydrophobic and polar molecules.

Therefore, the molecule that could diffuse across the plasma membrane is methane (CH4).

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Answer:

The hydrogen molecule is the only one in which can not find an octet of electrons around each atom.

Explanation:

Let's evaluate each case.  

1. Nitrogen (N₂):

With Z = 7, nitrogen has the following electronic configuration

1s²

2s² 2p³  → valence electrons

Since its valence electrons are 5, in the molecule one nitrogen atom shares 3 electrons with the other one, and each remains with an electron pair, so each atom has an octet of electrons.

2. Hydrogen (H₂):

With Z = 1, its electronic configuration is:

1s¹  → valence electron

In the molecule, the hydrogen atoms share the only electron they have, so they will have only 2 electrons around. In this diatomic molecule, we can not find an octet.

3. Oxygen (O₂):

Z = 8. Electronic configuration:

1s²

2s² 2p⁴  → valence electrons

In the diatomic molecule, each oxygen atom shares 2 electrons with the other one and remains with 2 pairs of electrons, therefore, each oxygen atom has an octet.      

4. Fluorine (F₂)

Z = 9. Electronic configuration:

1s²

2s² 2p⁵  → valence electrons

In this molecule, each fluorine atom shares 1 electron with the other and remains with 3 pairs of electrons, hence, each fluorine atom has an octet of electrons around.

Finally, we can say that the hydrogen molecule is the only one in which can not find an octet of electrons around each atom.

I hope it helps you!  

Explanation:

222.01758 g/mol

3.1Computed Properties

Answer:the ability to express sadness, recognize siblings in a crowd

Explanation:

there’s probably a few that i missed but i know those ones should be correct

Sorry it's late but

Answer:

-the ability to recognize siblings in a crowd

-the ability to sit down when told to do so

-the ability to express sadness

-the ability to run around and chase

Explanation:

27.0*C OPTION . GLAD IT HELPS

Answer:

there are 4 sulfur atom.

The rate law that is consistent with the proposed mechanism is [-d[H₂]/dt = k[H₂][ICl].

The sum of the two processes produces the overall reaction, which is:

H₂(g) + 2ICl(g) → 2HCl(g) + I₂(g)

We must take into account the rate-determining step, which is the step with the slowest rate, in order to derive the rate law for the total reaction. It is step 1 in this instance.

H₂(g) + ICl(g) → HI(g) + HCl(g) is the rate-determining step (g)

This step's rate rule is-d[H₂]/dt = k[H₂][ICl]

[ICl]

We can assume that the concentration of HI is always in equilibrium with the concentrations of H₂ and ICl because step 2 is quick.

Therefore, -d[H₂]/dt = k[H₂][ICl] is the rate law for the entire reaction.

Therefore,  [-d[H₂]/dt = k[H₂][ICl] is the rate law that is consistent with the hypothesized mechanism.

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The component depicted in the red box would be the reactants in the chemical equation 2 H2 + O2.  In this instance, the reactants are hydrogen gas (H2) and oxygen gas (O2).

A substance or molecule that takes part in a chemical reaction is known as a reactant. During the reaction, the initial substance experiences a chemical change. In the process, reactants are consumed and changed into products.

A chemical reaction is the process by which one or more chemicals, referred to as reactants, change to create one or more new compounds, referred to as products. The bonds between atoms are broken and rearranged during a chemical reaction, creating new compounds with various chemical characteristics. Atoms are neither generated nor destroyed during a chemical reaction, and the total mass and energy remain constant.

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Dalton's Law of Additive Pressure states that in a mixture of gases, the total pressure exerted by the mixture is equal to the sum of the partial pressures of each individual gas component.

Dalton's Law of Additive Pressure states that in a mixture of gases, the total pressure exerted by the mixture is equal to the sum of the partial pressures of each individual gas component.

In the given scenario, the room contains moist air composed of 0.3 moles of oxygen, 0.6 moles of nitrogen, and 0.1 moles of water vapor at room temperature and pressure.

To determine the specific enthalpy of each component, we need to consider the properties of the gases.

i. The total number of moles of moist air in the room can be calculated by summing the moles of each component: 0.3 + 0.6 + 0.1 = 1 mole.

ii. The specific enthalpy of oxygen can be determined by multiplying the moles of oxygen (0.3) by the specific enthalpy of air at 25°C (298.18 kJ/kg). This gives us the specific enthalpy of oxygen.

iii. Similarly, the specific enthalpy of nitrogen can be obtained by multiplying the moles of nitrogen (0.6) by the specific enthalpy of air.

iv. The specific enthalpy of water vapor can be calculated by multiplying the moles of water vapor (0.1) by the specific enthalpy of air.

By performing these calculations, we can determine the specific enthalpies of each component of the moist air mixture.

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Answer:

19.3 g/mL

Explanation:

The following data were obtained from the question:

Mass (m) = 12.4 kg

Volume (V) = 642 mL.

Density (D) =.?

Next, we shall convert 12.4 kg to grams. This can be obtained as follow:

1 kg = 1000 g

Therefore,

12.4 kg = 12.4 × 1000

12.4 kg = 12400 g

Therefore, 12.4 kg is equivalent to 12400 g.

Finally, we shall determine the density of the gold as follow:

Density is simply defined as the mass of the substance per unit volume of the substance. It can be represented mathematically as:

Density (D) = mass (m) / volume (V)

D = m/V

With the above formula, the density of gold can easily be obtained as follow:

Mass (m) = 12400 g

Volume (V) = 642 mL.

Density (D) =.?

D = m/V

D = 12400/642

D = 19.3 g/mL

Therefore, the density of hold is 19.3 g/mL

The general molecular formula for a hydrocarbon with single bonds and one double bond is CnH₂n-2. This formula is also known as alkene hydrocarbons. Ethene, propene, and butene are examples of alkene hydrocarbons.

These hydrocarbons have a double bond between two adjacent carbon atoms that are unsaturated bonds. This type of bond is more reactive than a saturated bond because it contains two electrons that are not shared, creating more sites for chemical reactions to occur.

The general formula for alkene hydrocarbons can be represented as CnH₂n, which reflects the hydrogen and carbon atom ratio.

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Answer:

Sorry I don't know the answer of your question I am sorry.

Answer:

There are many ways to figuring this out: you could use a ruler, a calculator or scrap paper.

Explanation:

This is not an actual flat out answer, but it’s helpful methods to getting the answer the next time you are stuck. Hope you are having a nice day. Bless your heart and soul.

An oxygen atom has 8 protons and 8 neutrons. An oxygen atom is represented by the symbol "O" and has an atomic number of 8.

The atomic number corresponds to the number of protons in the nucleus of an atom. Since protons have a positive charge, the atomic number also determines the element's identity. In the case of oxygen, its atomic number is 8, indicating that it has 8 protons.

The mass number of an oxygen atom is approximately 16. The mass number represents the sum of protons and neutrons in the atom's nucleus. To calculate the number of neutrons, we subtract the number of protons (8) from the mass number (16). Therefore, an oxygen atom has 8 neutrons.

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