Assuming that the octet rule is not violated, what is the formal charge on N in the cation [H2NSF2]+ (connectivity as written)?
+2
+1
0
-1
-2
none of these answers is correct

Answer:

Smooth surface

Explanation:

I hope that helps

smooth surface OK please give me the brain list answer

There are 6 attomoles of epinephrine in each vesicle.

The number of molecules per vesicle is 3.613 * 10¹⁵ molecules

The volume of the vesicle is 3.35 * 10⁻¹⁸ m³ or 3.35 * 10⁻¹⁵ L

The molar concentration of epinephrine in the vesicle is 2.99 M.

The number of attomoles of epinephrine in each vesicle is determined as follows:

Number of attomoles per vesicle = (150 fmol / 2.5 x 10⁴) / 10⁹

Number of attomoles per vesicle = 6 amol

(b) To find the number of molecules of epinephrine in each vesicle is determined as follows:

Molecular weight of epinephrine = 183.2 g/mol

Based on Avogadro's number:

1 mole of epinephrine = 6.022 * 10²³ molecules

1 amol of epinephrine = 6.022 * 10¹⁴ molecules

Number of molecules per vesicle = 6 * 6.022 * 10¹⁴

Number of molecules per vesicle = 3.613 * 10¹⁵ molecules

(c) The volume of a vesicle with radius r is:

r = 200 nm or 2 * 10⁻⁷ m, we get:

V = (4/3) * π * (2 * 10⁻⁷)³

V = 3.35 * 10⁻¹⁸ m³

Converting to liters:

1 L = 10⁻³ m³

The volume of the vesicle in liters will be:

V = 3.35 * 10⁻¹⁸ m³ * (1 / 10⁻³)

V = 3.35 * 10⁻¹⁵ L

(d) The molar concentration of epinephrine in the vesicle is determined using the formula below:

Molar concentration = 10 amol / 3.35 * 10⁻¹⁸ m³

Converting amol to mol:

Molar concentration = 10 * 10⁻¹⁸ mol / 3.35 * 10⁻¹⁸ m³

Molar concentration = 2.99 M

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Answer: four , double

Explanation:

Saturated hydrocarbons are defined as the hydrocarbons in which a single bond is present between carbon and carbon atoms. The general formula for these hydrocarbons is \(C_nH_{2n+2}\)

Unsaturated hydrocarbons are defined as the hydrocarbons which have double or triple covalent C-C bonds. They are known as alkenes and alkynes respectively. The general formula for these hydrocarbons is  \(C_nH_{2n}\) and \(C_nH_{2n-2}\)

Butene is \(CH_3CH_2CH=CH_2\) has molecular formula of \(C_4H_8\) and thus has four carbon atoms and one double bond or pi bond.

Atomic orbitals undergo hybridization, which results in new orbital forms and spatial orientations.

In the localized valence bond theory, a mathematical method known as hybridization is used to construct sets of equivalent orbitals that are correctly orientated to form bonds from atomic orbitals that are similar in energy but not equivalent. Because they are created by combining (hybridizing) two or more atomic orbitals from the same atom, these new combinations are known as hybrid atomic orbitals.

By combining the beryllium 2s orbital with any of the three degenerate 2p orbitals in BeH2, we can create two equivalent orbitals.

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The Omnipotent view of management refers to the belief that managers are directly responsible for an organization's success or failure. According to this view, managers have the power and control to make decisions that will significantly impact the organization's performance.

In terms of the organizational environment, ABC CO needs to focus on several aspects. Firstly, it should prioritize building strong relationships with customers by understanding their needs and delivering value through its products or services. Secondly, maintaining good relationships with suppliers is crucial to ensure a reliable supply chain and access to necessary resources. Thirdly, keeping a close eye on competitors is essential to stay competitive and identify opportunities for differentiation. Lastly, monitoring and adapting to economic, legal, and socio-cultural factors is vital to ensure compliance with regulations and aligning the organization with societal trends and expectations.

In conclusion, the Omnipotent view of management emphasizes the influence of managers in shaping organizational outcomes, while the Symbolic view recognizes the significance of external factors. For the current state of ABC CO, a balanced approach that considers both internal and external factors would be beneficial. The culture should promote collaboration, innovation, and adaptability, while the organization should focus on building strong relationships with customers, suppliers, and competitors while adapting to the economic, legal, and socio-cultural environment.

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Answer: D.)Topsoil

Explanation: Have agriculture

The chemical equation for the given gaseous homogeneous equilibrium expression [CHâ] [HâO] / [CO] [Hâ]³ is: CHâ + HâO ⇌ CO + 3Hâ

The forward reaction of this equation represents the formation of carbon monoxide and hydrogen gas from methane and water vapor, while the reverse reaction represents the breakdown of carbon monoxide and hydrogen gas to produce methane and water vapor.

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Fusion occurs when two atoms slam together to form a heavier atom, like when two hydrogen atoms fuse to form one helium atom.

This process generates enormous amounts of energy, many times more than fission, and powers the sun. Furthermore, it doesn't generate radioactive fission products.

Scientists are studying fusion processes, but they are challenging to maintain for extended periods of time due to the extreme pressure and temperature required to fuse the nuclei together.

The new atom's total mass is less than the combined mass of the two that created it; according to Albert Einstein's famous E=mc2 equation, the "missing" mass is released as energy.

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When water is lost, but electrolytes are retained, the first thing that happens is that moves water from the ICF to the ECF.

The fluid inside of cells, also called the cytoplasm or cytosol, makes up about 60% of the water in the human body, totaling about 7 gallons. Organelles like the nucleus, endoplasmic reticulum, mitochondria, lysosomes, and Golgi apparatus are suspended in and supported by the ICF. Also found in the ICF are cellular building blocks like sugars, proteins, carbohydrates, and lipids.

ECFs are any body fluids that are not inside cells. The two main components of ECF are plasma and interstitial fluid (IF). The balance consists of cerebrospinal fluid, lymph, the synovial fluid in the joints, pleural fluid in the pleural cavities (lungs), pericardial fluid around the heart, peritoneal fluid in the peritoneal cavity (abdomen), and the aqueous humor of the eye. In mammals, milk is also considered an extracellular fluid.

The ICF has higher amounts of potassium, phosphate, magnesium, and protein compared to the ECF. The plasma has high concentrations of sodium, chloride, and bicarbonate, but lower levels of protein as compared to the ICF. While water moves passively via osmosis, sodium and potassium ions move in and out of cells using active transport ion pumps. The pumps are powered by adenosine triphosphate (ATP) to provide the energy to move the ions against their concentration gradients (i.e. sodium moves out of the cell and potassium is pumped in) and maintain the gradients inside and outside the cell.

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For 80% of the reactant to break down, it will take 31.5 seconds on average.

One reactant decomposing into two or more products is known as a decomposition reaction. The all-inclusive formula AB A + B can be used to represent this.

It is possible to express the rate law for reactant A's breakdown as follows:  rate = k[A]

The integrated rate law for a first-order reaction is: ln([A]/[A]0) = -kt

When we enter this together with the supplied values into the integrated rate law, we obtain:

ln(0.20) = -0.0092 s⁻¹ * t

Solving for t, we get:

t = -ln(0.20) / 0.0092 s⁻¹

t = 31.5 seconds

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Answer:

174.94 sec

Explanation:

ln [A] = ln[A]o -kt

If 80% of the reactant has decomposed, that means that 20% of the reactant remain. Since the rate (k=.0092s^-1) has a unit of s^-1, 23 know its a first order, so we use:

ln [A] = ln[A]o -kt

ln (20) = ln (100) - (0.0092)t

ln(.2)/.0092 = t

174.94 sec = t

The diameter (in pm) of the metal atom is 312.54 pm

Atoms are organized in a cube to form a face-centered cubic unit cell structure, with six extra complete atoms placed in the center of each cube face and a fraction of an atom at each of the cube's four corners. The atoms in the cube's corner are shared by eight more unit cells.

We must apply the equation for a face-centered cubic laticce to respond to this question:

Edge length = 8 R

where R is the atom's radius.

Replacing:

442pm = √8 R

The atom's radius is R = 156.27pm.

diameter = 2 radii for as.

The metal atom's diameter is:

156.2 x 2 = 312.54 pm

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There are several types of solutions, including dilute solutions, concentrated solutions, saturated solutions, unsaturated solutions, and supersaturated solutions. Each type of solution has specific characteristics that distinguish them from one another.

Dilute solutions: These solutions have a small amount of solute dissolved in a larger amount of solvent. They have a low concentration of solute particles. Concentrated solutions: Concentrated solutions have a large amount of solute dissolved in a smaller amount of solvent. They have a high concentration of solute particles. Saturated solutions: Saturated solutions contain the maximum amount of solute that can dissolve in a given amount of solvent at a particular temperature. Any additional solute added will not dissolve. Unsaturated solutions: Unsaturated solutions have not reached their maximum solute capacity and can dissolve more solute. Supersaturated solutions: These solutions contain more solute than what is normally possible at a given temperature. They are achieved by dissolving the solute at a higher temperature and then cooling the solution slowly.

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If the density of nickel is 8.9 g/cm3, it occupies 0.15 cubic decimeters in 1335 grams of nickel.

Density is defined as the mass of a unit volume of a material substance, the space occupied by the unit mass of a material. It is the degree of compactness measured by the quantity of mass per unit  volume.

density = mass/ volume

volume = mass/ density

here the given mass is = 1335 grams

and the density given is = 8.9

=1335/8.9

=150

therefore volume calculated is 150 cubic centimeter

1 cubic centimeter is equal to 0.001 cubic decimeter

150 cubic centimeter is equal to 0.15 cubic decimeter

If the density of nickel is 8.9 g/cm3, it occupies 0.15 cubic decimeters in 1335 grams of nickel.

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The enthalpy changes, ΔH for the given three reactions using the Hess's Law is ΔH= -637 kJ/Mol .

Third reaction is reversed including sign of the ΔH :

H₂(g)+1/2O₂(g) ⟶   H₂O(l)    ΔH=−286 kJ/mol

Ca(s)+2H+(aq)    ⟶  Ca₂+(aq)+H₂(g)   ΔH=−544 kJ/mol

Ca₂+(aq)+H₂O(l)    ⟶ CaO(s)+2H+(aq) ΔH=+193 kJ/mol

          Ca(s)+1/2O₂(g)⟶CaO(s)    ΔH= -637 kJ/Mol

The enthalpy shift can be estimated for a reaction thanks to Hess's law, even if it cannot be determined directly. This is accomplished via doing straightforward logarithmic activities in light of the compound condition of responses utilizing values recently characterized for the arrangement of enthalpies.

Hess' regulation can be utilized to decide the general energy expected for a substance response that can be separated into engineered advances that are exclusively more straightforward to describe. As a result, standard enthalpies of formation can be compiled, which can be utilized to anticipate the enthalpy shift in complex syntheses.

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Answer:

Physical

Explanation:

Physical weathering is defined as the geological process in which rocks are broken down but there is no change in their chemical composition.

Granite tor are the rock masses above the ground surface which are  associated with granites

Granite Tor is an example of physical weathering as they formed by freeze–thaw weathering. Granite tor are formed when magma present in the crust cools down and form batholith. Rocks above batholith gets erodes and left the batholith to expose.

Hence, the correct answer is "Physical weathering'.

The new pressure is 1028 Pa.

we can use the combined gas law, which relates the pressure, volume, and temperature of a gas:

(P1 x V1) / T1 = (P2 x V2) / T2

where P1, V1, and T1 are the initial pressure, volume, and temperature of the gas, and P2, V2, and T2 are the final pressure, volume, and temperature of the gas.

We are given that the initial pressure (P1) is 501 Pa, the initial volume (V1) is 5.2 L, and the initial temperature (T1) is 25°C (which is equal to 298 K). We are also given that the final volume (V2) is 7.00 L and the final temperature (T2) is 100.0°C (which is equal to 373 K).

Using these values in the combined gas law equation, we can solve for the final pressure (P2):

(P1 x V1) / T1 = (P2 x V2) / T2

(501 Pa x 5.2 L) / 298 K = (P2 x 7.00 L) / 373 K

Simplifying and solving for P2, we get:

P2 = (501 Pa x 5.2 L x 373 K) / (298 K x 7.00 L) = 1028 Pa

Therefore, the new pressure is 1028 Pa.

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Answer:

2Na2O2 + 2H2O → 4NaOH + O2 is the balanced ver of Na2O2 + H2O - NaOH + O2

Explanation:

The mass of carbon dioxide released during the reaction is 2.6 grams.

To determine the mass of carbon dioxide released during the reaction between sodium hydrogen carbonate (NaHCO3) and acetic acid (CH3COOH), we need to calculate the difference in mass before and after the reaction.

Before the reaction:

Mass of NaHCO3 = 3.8 g

Mass of acetic acid = 10.5 g

Total mass before the reaction = Mass of NaHCO3 + Mass of acetic acid = 3.8 g + 10.5 g = 14.3 g

After the reaction:

Mass of the contents of the reaction vessel = 11.7 g

To find the mass of carbon dioxide released, we calculate the difference in mass:

Mass of carbon dioxide released = Total mass before the reaction - Mass of the contents of the reaction vessel

= 14.3 g - 11.7 g

= 2.6 g

Therefore, the mass of carbon dioxide released during the reaction is 2.6 grams.

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Explanation:

Volume of gas produced = 3.36 L

as molar volume of gas at STP is 22.4 L

so

no of moles of H2 = 3.36 ÷ 22.4 = 0.15 mole

from balanced reaction equation

Zn + 2HCl = ZnCl2 + H2

Ratio of no of moles between H2 : HCl is 1:2

as H2 moles = 0.15 mole

so

HCl moles reacted = 0.15 × 2 = 0.3 mole

as HCl molar mass = 1 + 35.5 = 36.5 g/mole

so Mass of 0.3 mole of HCl = 0.3 × 36.5 = 10.85 gram

fraction of HCl in Solution

= 10.85 ÷ 109.5 = 0.1

0.1 ×100 so HCl is 10% of solution mass

Answer:

Decrease of temperature by 62.6°F and 290.15°

Explanation:

First identify change in C: 17 degrees

now convert to Fahrenheit and Kelvin

Fahrenheit: 17 * (9/5) +32 = 62.6°

Kelvin: 17 + 273.15 = 290.15°

Answer:

\(\boxed {\boxed {\sf 0.5043 \ mol \ P}}\)

Explanation:

To convert from moles to grams, we must use the molar mass. This is found on the Periodic Table. Look for Phosphorous or P.

We can use this number as a ratio.

\(\frac{30.973762 \ g \ P }{1 \ mol \ P}\)

Multiply by the given number of grams: 15.62

\(15.62 \ g \ P *\frac{30.973762 \ g \ P }{1 \ mol \ P}\)

Flip the fraction so the grams of phosphorus cancel.

\(15.62 \ g \ P *\frac{1 \ mol \ P}{30.973762 \ g \ P }\)

\(15.62 *\frac{1 \ mol \ P}{30.973762 }\)

\(\frac{15.62 \ mol \ P}{30.973762 }\)

Divide.

\(0.504297799 \ mol \ P\)

The original measurement of grams has 4 significant figures, so our answer must have the same.

For the number we calculated, that is the ten thousandth place. The 9 in the hundredth thousandth place tells us to round the 2 to a 3.

\(0.5043 \ mol \ P\)

There are 0.5043 moles of phosphorus in 15.62 grams.

Answer:

Li2SO4+H2CO3

Explanation:

put d equation this way

negative ions to positive ions

Answer:

25,98 amu and 11.01% abundance

Explanation:

1. Find the missing abundance

100 - 78.99 - 10 = 11.01 %

2. Using each mass and abundance and the periodic table for the Mg amu

And let Isotope = Mg

23.9850(78.99%) + 24.9858(10%) + Mg(11.01%) = 24.305 (100%)

Solve for Mg

Mg = 25,98

Answer:

the law of definite proportion states that in a compound the ratio of atom is fixed

for example, hydrogen and oxygen in pure water is always 1:8 by weight

Answer:

they all have two electrons in their outermost shell

The elements of group 2 are alkaline earth metals that have two electrons in their outermost shell. So they have similar chemical and physical properties and tend to become positive ions in bond formation.

The elements present in group 2 include Beryllium, Magnesium, Calcium, Strontium, Barium, and Radium.  

The elements of group 2 are similar in their physical and chemical properties as all the elements have the same number of valence electrons. All alkaline earth metals are silvery-white-colored solids under normal conditions. They are also shiny and quite reactive.

The general electronic configuration of group 2 elements is ns². The alkaline earth metals have fully filled s-orbital in their valence shells, they tend to lose two electrons to produce cations with +2 charge.

Therefore, the elements of group 2 are electropositive in nature. Therefore, all the given statements about group 2 of the periodic table are true.

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The correct answer to the mathematical expression for the reaction quotient (Qc) for this reaction would be:
Qc = ([C][D]^3)/([A]^2[B]) ,the expression for Qc only includes the concentrations of the gaseous and aqueous phases.

The mathematical expression for the reaction quotient (Qc) from a balanced elementary step taking phases into account is given by:
Qc = ([C]^c[D]^d)/([A]^a[B]^b)

Where [A], [B], [C], and [D] are the concentrations of the reactants and products in their respective phases, and a, b, c, and d are the stoichiometric coefficients in the balanced elementary step.

For example, consider the balanced elementary step:
2A(g) + B(aq) --> C(s) + 3D(l)

The mathematical expression for the reaction quotient (Qc) for this reaction would be:
Qc = ([C][D]^3)/([A]^2[B])

It is important to note that the concentrations of solid and liquid phases are not included in the expression for Qc, as their concentrations are assumed to be constant. Therefore, the expression for Qc only includes the concentrations of the gaseous and aqueous phases.

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The term used to denote the concentration of electrolytes in a given volume is "molarity".

Molarity-

Molarity is the number of moles of solute dissolved in one liter of the solution. Molarity is the most widely used concentration metric in chemistry, and it is frequently denoted by "M." It denotes the amount of solute in moles per liter of solution.

A solution's molarity can be calculated using the following formula:

Molarity = moles of solute / liters of solution

Molarity is often used to express the concentration of a solution's electrolytes because electrolytes break into ions when dissolved in a solvent, allowing for electrical conductivity.

Molarity can be used in other applications, such as stoichiometry, which involves determining how much of one compound is required to react completely with another.

Molarity is a useful tool for solving problems that involve chemical reactions since the number of moles of a substance is frequently used to establish reaction ratios, limit reactants, and determine the theoretical yield.

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