what displays the number of atoms, nature and bond types in organic compounds​

Answer:

Density measures how heavy something is for its size. Liquids of different densities can not be mixed and will separate with the heavier densities at the bottom and the lighter densities at the top. The different objects float at different levels in the liquid depending on their densities.

The wavelength at which the incandescent lightbulb's filament emits maximum power is approximately 1.020 µm. If the temperature of the filament of an incandescent lightbulb is 2840 k.

To find the wavelength at which the incandescent lightbulb's filament emits maximum power, we will use Wien's Displacement Law, which is represented by the formula

(λT)maxpower = 2897.8 µm·K.
In this problem, we are given the temperature of the filament (T) as 2840 K, and we need to find the wavelength (λ) that corresponds to the maximum power emission.

Using Wien's Displacement Law formula, we can solve for λ:
(λT)maxpower = 2897.8 µm·K
To find λ, we simply divide the constant (2897.8 µm·K) by the given temperature (2840 K):
λ = (2897.8 µm·K) / (2840 K)
λ ≈ 1.020 µm
The wavelength at which the incandescent lightbulb's filament emits maximum power is approximately 1.020 µm.

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It can be said that water will take more heat to raise its temperature by 1°C than copper. Details about specific heat can be found below.

Specific heat capacity of a substance can be defined as the amount of heat (J) absorbed per unit mass (kg) of the material when its temperature increases 1 K or 1 °C.

According to this question, water has a specific heat of 4.184 J/g°C while Copper metal has a specific heat of 0.385 J/g°C. This shows that water has a higher specific heat.

Therefore, it can be said that water will take more heat to raise its temperature by 1°C than copper metal.

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The average atomic mass of Lithium is found to be 6.94 amu. Thus, (d) is the correct answer.

Atomic mass is the total number of protons and neutrons present in the nucleus of the atom when it is at rest. On comparison with protons and neutrons, electrons have negligible mass and thus atomic mass is the total sum of protons and neutrons.

Given:

% abundance of Li-6, Li6 = 7.5%

% abundance of Li-7, Li7 = 92.5%

Atomic mass of Li-6, m6 = 6.015 amu

Atomic mass of Li-7, m7 = 7.016 amu

To find:

Average atomic mass = ?

Formula:

Average atomic mass, \(Avg = \frac{(Li6 * m6) + (Li7 * m7)}{100}\)

Avg = \(\frac{(7.5 * 6.015) + (92.5 * 7.016)}{100}\)

Avg = (45.1125 + 648.98) / 100

Avg = 694.0925 / 100

Avg = 6.940 amu

Result:

Therefore, 6.94 amu is the average atomic mass of Lithium.

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Answer:

A neutralization reaction is when an acid and a base react to form water and a salt and involves the combination of H+ ions

Explanation:hope this helps<33

Answer:

binds to substrate

Explanation:

The underground pipe fitting connecting the inlet pipe to a fire hydrant is called the Hydrant Riser.

Fire hydrants with a variety of valves and connection points are seen in many places. In the event of a fire breakout, firefighters locate the fire hydrants, connect their hoses and then pump a large volume of pressurized water to put out the fire. A special pentagonal wrench is used to remove the valve cover of the hydrant. Then after attaching the hoses, the firefighters open the valve for the water to flow.

They usually have a connection point to hook up a fire hose and a nut or bolt to turn on which will start the flow. Every fire hydrant is essentially just an attachment to the main water line. Underneath that connects the hydrant valve through a pipe called a riser. However, normal hydrants don’t change the water pressure or flow in any way. They function as valves so firefighters can utilize the already present pressure in the water pipes. While all of this may sound simple the internal mechanics of a fire hydrant are a little more complex and can vary by region.

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Answer:

Plants ➯ Mouse ➯ Snake ➯ Hawk ➯ Sun

Explanation:

In Order As A Food Chain

The elements are arranged into food chain like plants ⇒Mouse ⇒ Snake⇒ Hawk ⇒ Sun.

A substance that could not be further decomposed according to any chemical reaction is known as a chemical element.

The flow of nutrients as well as energy through such an ecosystem is described by a food chain. Energy is first produced by plants at the most fundamental level, and then it is used by higher-level species like herbivores. Energy is then transmitted from one carnivore to the next when they eat the herbivores.

The elements are arranged into food chain like plants ⇒Mouse ⇒ Snake⇒ Hawk ⇒ Sun.

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Answer:

There are 5! goodluck,

Explanation:

The IUPAC name of the polyfunctional compound OH 6 -ethyl-5-methyl-7-octen-4-ol is 5-ethyl-6-methyloct-7-en-4-ol.

The given compound is OH 6-ethyl-5-methyl-7-octen-4-ol

 According to the IUPAC rule,

In the given molecule, OH-group is the highest priority group and therefore, numbering starts from the C-atom where OH-attached to the least C-atom number.

The given compound contains 8 C-atom in the longest C-chain in which the hydroxyl group (OH) is attached to the 4th C-atom and alkene functional group is attached to 8th position of the parent chain. The ethyl substituent is attached to the 5th C-atom while methyl substituent is attached to the 6th C-atom of the parent chain.

Therefore, the IUPAC name of the given compound is 5-ethyl-6-methyloct-7-en-4-ol.

What does IUPAC mean?

IUPAC is an abbreviation for Global Association of Unadulterated and Applied Science. The IUPAC is the perceived expert for synthetic guidelines of terminology, estimations, and nuclear mass qualities, setting the norms of nuclear loads that show up on the periodic table.

Also Known As: International Union of Pure and Applied Chemistry.

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Answer: Scientists work independently to form theories about the Earth without sharing d

Scientists work independently to form theories about the Earth without sharing data.

Solar system is defined as the grouping of the eight planets and their moons in orbit around the sun, as well as other smaller bodies like comets, asteroids, and meteoroids.

It can also be defined as the Sun's orbiting objects are confined by gravity to one system.

An orbiting collection of planets, meteors, or other celestial bodies is referred to as a star system.
The Sun, an ordinary star, the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto make up our solar system.

Our solar system is referred to as the "solar system" because our Sun is called Sol after the Latin word for Sun, "solis," and because anything related to the Sun is termed "solar."

Thus, scientists work independently to form theories about the Earth without sharing data.

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When it comes to the melting point of 1 gram of sucrose versus 1 gram of sodium chloride, it's important to consider the chemical properties of each substance.

Sucrose, also known as table sugar, is a compound made up of carbon, hydrogen, and oxygen atoms, while sodium chloride, or table salt, is a compound made up of sodium and chloride ions. In terms of melting point, sodium chloride has a higher melting point than sucrose due to its ionic nature.
The melting point of a substance is determined by the strength of the bonds between its molecules or ions. Ionic bonds, like those found in sodium chloride, are generally stronger than covalent bonds, which are found in sucrose. As a result, sodium chloride requires more energy to break the bonds between its ions and transition from a solid to a liquid state, resulting in a higher melting point. In contrast, sucrose molecules are held together by weaker intermolecular forces, making it easier to break the bonds and reach a melting point.
Therefore, in conclusion, 1 gram of sodium chloride will melt at a higher temperature than 1 gram of sucrose due to the stronger ionic bonds between its ions.

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a beaker filled with 100 ml 100 ml of a 3.0 m 3.0 m chloride solution and some magnesium metal. The pupil witnesses bubbles and the metal magnesium dissipating. 0.734 L / 734 mL.

Magnesium supports muscle and neuron function as well as energy synthesis in the body, among many other vital functions. Typically, low magnesium levels don't result in any symptoms. However, persistently low levels can raise the risk of hypertension, heart disease.

Briefing

We'll start by figuring out how many moles of hydrochloric acid, or HCl, are present in 20.0 mL of the a 3.00 M solution.

This is illustrated below:

Molarity of hcl = 3 M

Volume = 20 mL = 20/1000 = 0.02 L

Mole of HCl =..?

Molarity = mole /Volume

3 = mole /0.02

Cross multiply

Mole of HCl = 3 x 0.02

Mole of HCl = 0.06 mole.

Next, we shall determine the number of mole of Hydrogen gas, H2 produced from the reaction of 0.06 mole of HCl. This can obtain as follow:

Mg + 2HCl —> MgCl2 + H2

From the balanced equation above,

2 moles of HCl reacted to produce 1 mole H2.

Therefore, 0.06 mole of HCl will react to produce = (0.06 x 1)/2 = 0.03 mole

Therefore, 0.03 mole of H2 was produced.

Finally, we shall determine the volume of the balloon by calculating the volume of Hydrogen gas, H2 in the balloon.

The volume of H2 can be obtained by using the ideal gas equation as follow:

Pressure (P) = 1 atm

Temperature (T) = 25°C = 25°C + 273 = 298K

Number of mole (n) of H2 = 0.03 mole

Gas constant (R) = 0.0821 atm.L/Kmol

Volume (V) of H2 =?

PV = nRT

1 x V = 0.03 x 0.0821 x 298

V = 0.734 L = 734 mL.

Therefore, the volume of the balloon is 0.734 L or 734 mL

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Answer:

1 Sodium, 1 Aluminum (1 Sulfur, 4 Oxygen)

Explanation:

hope that helps

Assuming no change in pressure, the gas' volume at 120.0 °C is 916.7 mL.

To solve this problem, we can use the ideal gas law, which relates the pressure, volume, temperature, and number of moles of a gas. The ideal gas law is given by the formula:

PV = nRT

where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature in Kelvin.

To find the volume of the gas at 120.0 °C, we need to convert the temperatures to Kelvin. The temperature in Kelvin is given by:

T (K) = T (°C) + 273.15

Therefore, the temperature at 27.0 °C is 300.15 K, and the temperature at 120.0 °C is 393.15 K.

We can set up the ideal gas law equation for the initial and final states of the gas:

P₁V₁ = nRT₁ (for the initial state at 27.0 °C)

P₂V₂ = nRT₂ (for the final state at 120.0 °C)

Assuming the pressure did not change, we can set P₁ = P₂, which allows us to solve for V₂:

P₁V₁/T₁ = P₂V₂/T₂

V₂ = V₁ * T₂/T₁

Substituting the given values, we get:

V₂ = 700.0 mL * (393.15 K) / (300.15 K) = 916.7 mL

Therefore, the volume of the gas at 120.0 °C assuming pressure did not change is 916.7 mL.

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Answer:

A product

B coefficient

C script

D rectant

Answer:

True

Explanation:

A chemical change will produce new substances that are different from its original substance.

Versus a physical change that changes shape/form physically like water freezing into ice.

Answer: 197.26 g Na2S2O3

Explanation:

64.3/103 (molar mass of NaBr)  X 2 moles Na2S2O3 X 158 (molar mass of Na2S2O3.

Answer:

1

Explanation:

Ag+

From the given reaction, it is clear that, Ag is gaining electrons from the base NH₃ . Hence, according to Lewis concept of acids and bases, Ag⁺ is the Lewis acid.

There are various concepts to define acids and bases. Among which the first was Arrhenius theory. This theory states that, acids are substances which can furnish H+ in solution and bases are substances giving OH- in solution.

Then Bronsted- Lowry concept states acids as proton donor and bases as proton acceptors. The most applicable theory for acids and bases is Lewis concept.

According to Lewis theory of acids and bases, acids are electrons acceptors and bases are electron donors.

The given reaction is written as:

\(\rm Ag^{+} + 2NH_{3} \rightarrow Ag(NH_{3})_{2}\)

Here, Ag⁺ is the Lewis acid which accepts an electron from the Lewis base NH₃.

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Answer:

0.12 dm^3 x (1 mol/24 dm^3) = ? mols N2

mols Cu = ? mols N2 x (3 mols Cu/1 mol N2) = ?

Then g Cu = mols Cu x atomic mass Cu = ?

The correct answer is Atom is the tiny unit of an element that retains the properties of the element.

An atom is a kind of particle that has an electron cloud surrounding its protons and neutrons-filled nucleus. The atom is the basic building block of the chemical elements, and it is the protons in an atom that allow us to distinguish one chemical element from another. For instance, every atom with 11 protons is sodium, while any atom with 29 protons is copper. The quantity of neutrons in an element determines its isotope.

Atoms are very small, with a diameter of around 100 picometers. An typical human hair has about one million carbon atoms. Standard microscopes cannot observe atoms since this is smaller than the smallest wavelength of the visible light spectrum.

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Answer:

1. chemical change

2. true

3. an unequal sharing

Explanation:

Answer:

Explanation:

Here, we want to get the mass of carbon (iv) oxide produced

From the question, we have the balanced chemical reaction stating that 2 moles of oxygen molecule produced 1 mole of carbon (iv) oxide molecule

The number of moles of carbon (iv) oxide produced from 7.34 mol oxygen is thus:

1 mole of carbon (iv) oxide contains 44 g

The mass in 3.67 moles will be:

Ozone  is the primary absorber of UV radiation in the 150-200 nm range in the upper atmosphere, and its depletion can have significant consequences for life on Earth.

UV radiation with wavelengths between 150-200 nm is highly energetic and can cause damage to living cells by breaking chemical bonds and damaging DNA. Therefore, it is important to prevent most of this radiation from reaching the Earth's surface where it can harm living organisms.

In the upper atmosphere, ozone (O3) plays a crucial role in absorbing this harmful UV radiation through the process of photodissociation. When a molecule of ozone absorbs a photon of UV radiation, it undergoes photodissociation or photolysis, which results in the dissociation of the ozone molecule into an oxygen molecule (O2) and an oxygen atom (O):

O3 + hv -> O2 + O

This process is highly efficient and can absorb more than 97% of the incoming UV radiation in the 150-200 nm range. The oxygen atoms produced in this process can then react with other oxygen molecules to form more ozone, thereby replenishing the ozone layer and continuing this protective cycle.

While other molecules such as nitrogen (N2) and oxygen (O2) can also absorb UV radiation in this range, they are much less efficient at doing so compared to ozone. Therefore, ozone is the primary absorber of UV radiation in the 150-200 nm range in the upper atmosphere, and its depletion can have significant consequences for life on Earth.

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A binary star system is made of stars, two of which is brighter than the other.

Astronomers are able to detect the dimmer star because its gravity causes the bright star to wobble

Astronomers can also spot the dimmer star by observing a phenomenon called a(n)  eclipsing binary. This happens when the dim star passes in front of the bright star.

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Answer:

6.44 cups of ice

Explanation:

The ratio of the densities is simply the density of one divided by the density of the other: The density of ice to water is 0.92. Using the ratio, one can simply multiply the volume of the ice by 0.92, which is the conversion factor for the volume of ice to liquid water.

7 × 0.92 = 6.44

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Answer:

Ionic bonding happens when an atom of an element gives one or more of its electrons to the other element's atom..it usually takes place between metal and non metal atoms...like in NaCl, Na gives its valence electron to chlorine and completes its own octet. Chlorine accepts the electron and completes its own octet too...but now both the atoms have an opposing charge and hence they attract each other to form an IONIC bond.

Ionic bonds are the strongest of the bonds...here complete transfer of electrons takes place unlike covalent bonds.

HOPE IT HELPED..

:)

Answer:

The electrostatic interaction between an anion and cation

The action modeled by the diagram is; flow of ions ( cations and anions ) in a cell/compound

The diagram is used to represent the flow of control ( flow of ions ) in a system, it is similar to a data flow diagram, because the start, direction and endpoint of an activity diagram is the similar to that of a data flow diagram. Activity diagrams are also used to generally describe the steps in a use case system as seen in the diagram attached in the question.

Hence the diagram ( activity ) represents the flow of ions in a compound

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