explain the difference between static and current electricity

A

think of this way: in Florida and many other costal places, people have sand in their backyards to limit flooding and things due to being so close to the ocean.

The Number of atoms per unit cell for Ga = 4 atoms per unit cell. Number of atoms per unit cell for As = 4 atoms per unit cell. Volume density of Germanium in its unit cell = 4.35 × 10²² /cm³

According to published data, GaAs has a number density of 4.42 x 10²²atoms/cm³.

Because it is well known that Ga and As are essentially equally distributed throughout GaAs.

Ga's number density is equal to As's number density (2.21 x 10²² atoms/cm³).

Volume of the unit cell = (lattice parameter)³ = (5.65 × 10⁻⁸)³ = 1.804 × 10⁻²² cm³

a) Number of atoms per unit cell for Ga and As = number density × volume of unit cell = 2.21 × 10²² × 1.804 × 10⁻²² = 4 atoms/unit cell

b) Volume density = Number of atoms per unit cell/volume of unit cell

A germanium unit cell contains 8 atoms (from literature)

Volume of unit cell = (lattice parameter)³ = (5.65 × 10⁻⁸)³ = 1.804 × 10⁻²² cm³

Volume density = 8/(1.804 × 10⁻²²) = 4.35 × 10²² /cm³

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Answer:

Explained below

Explanation:

Group 3A elements are made up of the metalloid - boron (B) and other metals such as Aluminum (Al), gallium (Ga), indium (In), & thallium (Tl).

Now, as we go down the group, the size of the central atom will increase thereby causing the lone pair to become delocalized over a larger volume space. Thus, it's not readily available for donation and thus basicity increases

Answer:

0.46 mole

Explanation:

Ag is silver in which 1 mole equals 107.87 g

so 50.00 mg of Ag will have 50.00/107.87 = 0.46 mole

Answer:

B i think

Explanation:

To graph the function g(x) = f(-x), you can start with the graph of f(x) and then reflect it about the y-axis.

To find the graph of the function g(x) = f(-x), we can start with the graph of the function f(x) and then reflect it about the y-axis.

If the graph of f(x) is symmetric with respect to the y-axis, meaning it is unchanged when reflected, then g(x) = f(-x) will have the same graph as f(x).

However, if the graph of f(x) is not symmetric with respect to the y-axis, then g(x) = f(-x) will be a reflection of f(x) about the y-axis.

In either case, the resulting graph of g(x) = f(-x) will be symmetric with respect to the y-axis.

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The buffering capacity increases when  the concentrations of both acetic acid and acetate are doubled.

A buffer is a solution that mitigates against changes in acidity and alkalinity. A buffer is usually made up a weak acid and its conjugate base or a weak base and its conjugate acid.

The buffering capacity of a buffer increases as the concentration of the concentration of the acid/base as well as its conjugate base/acid increases. Therefore, the buffering capacity increases when  the concentrations of both acetic acid and acetate are doubled.

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Type #1 Flame symbols are among the WHMIS emblems.

Type 2: Symbols with a flame above a circle.

Exploding bomb symbols are of type 3.

Compressed gas symbols are of type 4.

Corrosion symbols are type #5.

Skull and water the water symbols are type #6.

Exclamation mark symbols are type #7.

Health hazard symbols are type #8.

Because workplaces require a defined technique to detect hazardous items, WHMIS labels are crucial.

The national ’s hazard standard for Canada is the Health And Safety At work System (WHMIS). Hazard categorization, cautionary container labeling, the distribution of safety data sheets, and worker information and training programs are the system's main components.

The U.S. Ohs Hazard Identification Standard and WHMIS are quite similar.

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The number of dots corresponds to the number of valence electrons an atom has. Therefore, the correct answer is: the number of valence electrons an atom has.

An atom's electron dot diagram shows the number of valence electrons that an atom has. Valence electrons are the outermost electrons of an atom and are involved in chemical bonding. In the electron dot diagram, the valence electrons are represented as dots around the symbol of the element.

An electron dot diagram, also known as a Lewis dot diagram, is a representation of an atom's valence electrons using dots around the symbol of the element.

The valence electrons are the electrons in the outermost energy level, also known as the valence shell, of an atom. These electrons determine the chemical behavior of an atom, as they are involved in chemical bonding and chemical reactions.

In an electron dot diagram, the valence electrons of an atom are represented as dots around the element symbol. Each dot represents one valence electron.

For example, a helium atom has two electrons in its only shell, so its electron dot diagram would consist of two dots around the He symbol. A carbon atom has four valence electrons, so its electron dot diagram would consist of four dots around the C symbol.

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Answer:

Option B, \(H3PO4 + H2O <==> H3O^+ + H2PO4^-\)

Explanation:

In this reaction, a weak acid is reacting with  water. Thus, water is this case will act as a proton acceptor or a base as well as an acid. Hence water will be amphiprotic for this chemical process and can donate as well accept as a proton. Now when weak acid such as phosphoric acid loses a hydrogen ion it forms a weak conjugate base ie. H2PO4^-. Water being a weak base shall accept the proton and forms hydronium ion i.e H3O^+

The dihydrogen phosphate ion reacts with water:

H2PO4^- + H2O <----> HPO4^2- + H3O^+

After some time a proton is again transferred to the H2O molecule to produce  phosphate ion

HPO4^2- + H2O <----> H3O^+ + PO4^3-

Answer:

Physical properties are defined as the properties which can be observed without changing its chemical composition.

Explanation:

In a particular experiment, the per cent yield is 79.0%. This means that in this experiment, a 7.90-g sample of fluorine yields is 7g of SF6.

Sulfur Hexafluoride is a disparity agent formed of an inorganic fluorinated inert gas comprised of six fluoride atoms bound to one sulfur atom, with possible diagnostic activity upon imaging.

Thus, a sample of fluorine yields 7g of SF6.

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Answer:

What I've done:

Molar mass of Zn: 65.409 g/mol

Molar mass of Cl: 2*35.453 =70.906 g/mol

Molar mass of O: 6*15.9994 =95.9964 g/mol

Total molar mass of Zn(ClO3)2: 232.3114 g/mol

21% of molar mass = 232.3114 g/mol

100% of mass = 1106.244762 g/mol

Molar mass of H2O: 18.01528 g/mol

232.3114 g/mol + 18.01528 g/mol = 250.32668 g/mol

250.32668 = 1106.244762

1106.244762 g/mol divided by 232.3114 g/mol

x = 4.419

Explanation:

% anything = (g/total mass)*100 = ?

Atomic mass Zn = 65.4 from your post.

molar mass Zn(ClO3)2 from your post = 232.3

molar mass H2O = 18

The 21.5% Zn is (note you used 21%) percent Zn in the hydrate so

%Zn = [(65.4)/(232.3 + x*18)]*100 = 21.5%

Solve for x and I obtained 3.99 which rounds to 4.00. Let me know if you don't understand any part.

Answer:

5 hours

Explanation:

The order of the melting of the butter among the materials is;  tin- plastic - wood. Option D

We know that the term heat transfer has to do with the manner in which heat can be transferred from one material to another. We can see that the nature of the materials differ. The tin is a pure conductor of heat, the plastic and the wood are poor conductors of heat.

However, it is clear that heat would flow better from the plastic than it would do from the wood. As such, the butter on the tin would melt the greatest and the butter on the wood would melt the least.

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The structural formula of butanol is C4H9OH. It consists of a chain of four carbon atoms, with a hydroxyl (-OH) group attached to one of the carbon atoms. Butanol has several structural isomers, which have the same molecular formula but different structural formulas.

A structural isomer is a compound that has the same molecular formula as another compound but has a different arrangement of its atoms. A string of 4 C atoms are bonded above, below, left, and right to H, except the second C, which is bonded below to O, which is bonded below to H is a structural isomer of butanol.

This is called butan-2-ol. The structural formula of butan-2-ol is CH3CH(OH)CH2CH3. In this isomer, the hydroxyl group is attached to the second carbon atom in the chain, whereas in butanol, the hydroxyl group is attached to the first carbon atom in the chain.

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Answer:

We need more? What else is in the question? This is unanswerable.

Explanation:

Answer:

electric charge

Explanation:

The properties of hard and soft materials refer to their physical characteristics and behaviors.

These properties are related to factors such as the arrangement of molecules, bonding strength, and response to external forces. Here, we will discuss the general properties of hard and soft materials.

Hard materials:

Rigidity: Hard materials exhibit high stiffness and resist deformation under applied forces. They tend to maintain their shape and structure.

High strength: Hard materials have strong intermolecular or intramolecular forces, allowing them to withstand high stress and pressure without breaking or deforming.

High melting and boiling points: Hard materials often have high melting and boiling points due to the strong bonds between their atoms or molecules.

Brittle: Hard materials are often brittle, meaning they have low tolerance to tensile or bending forces and are prone to fracturing or shattering instead of deforming.

Low compressibility: Hard materials have low compressibility, meaning they do not easily compress or change volume under pressure.

Soft materials:

Flexibility: Soft materials are pliable and easily deformable under applied forces. They can be bent, stretched, or compressed without breaking.

Low strength: Soft materials have weak intermolecular or intramolecular forces, making them more susceptible to deformation or damage under stress.

Low melting and boiling points: Soft materials generally have lower melting and boiling points compared to hard materials.

Ductile: Soft materials are often ductile, meaning they can be drawn into thin wires or stretched into thin sheets without fracturing.

High compressibility: Soft materials can be easily compressed or change volume under pressure due to their loosely packed molecular structures.

It's important to note that these properties are generalizations, and there can be variations within each category. Some materials may exhibit properties that fall between hard and soft, or they may have unique combinations of properties. Materials' properties play a crucial role in various applications, as they determine their suitability for specific uses such as construction, manufacturing, and design.

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The reaction is spontaneous under conditions of low pressure and high temperature

We can say that a reaction is spontaneous when we know that the reaction is able to go on on its own. This implies that there is a mnimum energy that is required for the reaction to proceed.

The reaction is thus a sort of a self propagating system that goes on freely of its own accord.. We can see that what is going on here is the decomposition of the nitrogen V oxide gas as shown.

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Answer:

The volume of Component 1 is 36 cubic inches.

Explanation:

To calculate the volume of a composite solid, we need to determine the individual volumes of the different components and then add them together.

In this case, the composite solid consists of multiple components with the following dimensions:

Component 1:

Length: 4 inches

Width: 3 inches

Height: 3 inches

To find the volume of Component 1, we multiply the length, width, and height together:

Volume of Component 1 = Length x Width x Height = 4 in x 3 in x 3 in = 36 cubic inches

Therefore, the volume of Component 1 is 36 cubic inches.

Please provide the dimensions of the remaining components of the composite solid, and I will calculate the total volume by summing up the individual volumes.

Answer:

7.5 kcal

Explanation:

1.0 cal /g-C   * 100 g * (100- 25 C) = 7500 cal = 7.5 kcal

The amount of heat energy necessary to raise the temperature of 100 g of water at room temperature (25°C) to the boiling point (100°C) is 7.5 kcal.

Given to us the mass of water, the specific heat of water, and the change in temperature, we need to calculate the amount of heat energy.

m = 100 g

c = 1.0 cal/g°C

ΔT = (100 °C - 25 °C) = 75 °C

To calculate the amount of heat energy required, we can use the formula:

Q = m × c× ΔT

Where:

Q = heat energy (in calories)

m = mass of water (in grams)

c = specific heat of water (in cal/g°C)

ΔT = change in temperature (in °C)

Substituting the values into the formula:

Q = 100 g × 1.0 cal/g°C × 75 °C

Q = 7500 cal

7500 cal = 7.5 kcal

Therefore, the amount of heat energy required to raise the temperature of 100 g of water from 25 °C to 100 °C is 7500 calories, which is equivalent to 7.5 kcal.

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If the plants in yellow light grow faster during her experiment, Lana should repeat the experiment to confirm the result. Option D.

In science, hypotheses are tested using experiments. Two hypotheses are usually formed during the course of experimentation:

The null hypothesis is set up to either be accepted is found to be true or rejected if found to be false. The alternate hypothesis is just there for guidance.

Hypotheses being found not to be true does not always mean that the reverse will be true.

Thus, if a complete opposite is obtained during testing, the next thing would be to repeat the experiment in order to be double sure there was not a mistake.

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The rate law show how concentration changes affect the rate of reaction. Correct answer is B.

The concentration of our reactants can affect how quickly a reaction proceeds. The rate law of a chemical reaction is an equation that outlines the connection between the concentrations of the reactants and the reaction rate.

The reaction rate is constant and independent of the N 2 O concentration, according to the rate law. In other words, the reaction is both zeroth order overall and zeroth order in N 2 O. C Doubling the concentration of N 2 O will have no impact on the reaction rate since the reaction rate is independent of the concentration.

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To calculate the moles of H+ and OH-, you need to know the concentration of the solution in terms of its pH or pOH value.

When you get the pH of the solution, you can use this formula to calculate the concentration of H+ ions: [H+] = 10^(-pH)

Also, if you know the pOH of the solution, you can use this formula to calculate the concentration of OH- ions: [OH-] = 10^(-pOH)

Having determined the concentration of H+ and OH- ions, the molarity formula can be used to calculate the number of moles of each ion as follows: moles = concentration (in mol/L) x volume (in L)

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C. flow under dense and become more thick.

A substance that is tightly packed or has a high density.

The term "density" refers to the relationship between a substance's mass and the volume it takes up in space (volume). The mass, size, and arrangement of an object's atoms influence its density. The ratio of a substance's mass to its volume is said to be its density, or D.

Because it enables us to predict which compounds will float and which will sink in a liquid, density is a crucial notion. An object will frequently float as long as its density is less than that of the liquid.

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