why do atoms emit light energy according to the bohr model?

Answer:

Explanation:

Here, we want to select the most important information piece to determine saturation

The best way to check for this is to check the kind of bonds between the carbon atoms in the molecule

When there are double or triple covalent bonds between the carbon atoms, then, we can be sure that there is a degree of unsaturation (alkenes, alkynes)

If we have single bonds only, then the molecule is saturated

Answer:

check my explanation

Explanation:

it is the secondary consumer because it doesn't eat grass

Answer:

ok here is you answer

Explanation:

Blood is a liquid because it is composed of cells and plasma that are suspended in a liquid state and can easily flow through the circulatory system, delivering oxygen and nutrients to cells and removing waste products.

Answer:

Explanation:

Solid- When laying soccer you kick the ball, and the ball is a solid.

Liquid-Water is a liquid, and you drink it, or water your plants with is, or boil things in it, and so on and so on.

Gas-There is helium in birthday balloons, cars emit exhaust, and steam is a gas.

The most stable eclipsed conformation of an alkane is one where the bulky groups are in the anti position, which reduces steric hindrance.

The eclipsed conformation where the bulky groups are in the gauche position is the least stable due to increased steric hindrance.

The eclipsed conformation refers to a specific arrangement of atoms in an alkane molecule. An alkane is a hydrocarbon compound consisting of carbon and hydrogen atoms.

The eclipsed conformation occurs when adjacent carbon atoms in the alkane chain are aligned in such a way that the hydrogen atoms attached to one carbon atom are directly behind the hydrogen atoms attached to the adjacent carbon atom. In this arrangement, the carbon-hydrogen (C-H) bonds are said to be eclipsed, meaning they overlap with each other.

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36.2L of N2 can be produced.

1st) According to the stoichiometry of the reaction, 2 moles of NaN3 produce 3 moles of N2. Using the molar mass of NaN3 (65.0g/mol ) and N2 (28.0g/mol) we can convert the moles to mass, and we can see that with 130.0g of NaN3 we can produce 84.0g of N2.

Now, we can use a mathematical rule of three to calculate the grams of N2 that can be produced from 71.0g of NaN3:

So, 45.9g of N2 are produced from 71.0g of NaN3.

2nd) It is necessary to convert the grams of N2 produced to moles, so we can use it in the Ideal gas equation:

Now we know that 1.6mol of N2 are produced.

3rd) To calculate the volume of N2, it is necessary to use the Ideal gas equation and replace the values of Pressure (P), Temperature (T, in Kelvin) and Number of moles (n):

Finally, 36.2L of N2 can be produced from 71.0g of NaN3.

Answer:

Negative, because the potential energy of the reactants is higher than the potential energy of the products

Explanation:

Exothermic reaction is a reaction in which heat is released to surrounding. This is due to the fact that the heat content of the reactant is higher than the heat content of product thus producing a negative enthalpy change (ΔH) i.e

Enthalpy change = Heat of product – Heat of reactant

ΔH = Hp – Hr = negative

Considering the options given in the question above, the correct answer is:

Negative, because the potential energy of the reactants is higher than the potential energy of the products

Wine was produced 37 years ago (1984 as usual year 15,2021) that is shown in the calculations below.

Reaction rate is calculated using the formula rate = Δ[C]/Δt, where Δ[C] is the change in product concentration during time period Δt. The rate of reaction can be observed by watching the disappearance of a reactant or the appearance of a product over time.

The time can be represented as follows:

t= 2.303\∧ log A0/A

∧= 0.693/t 1/2

The rate of a reaction is proportional to the reciprocal of the time taken. Rate α 1 time Rate is inversely proportional to time. Units: s-1, min-1 etc.

The given parameters are as follows:

t1/2=12.3

A0=5.5

A=0.688

t= 2.303/(0.693/12.3) log (5.5/0.688)

t=36.9

t=37 years

Thus, wine was produced 37 years ago (1984 as usual year 15,2021)

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The name for water (H2O) using the strict IUPAC naming convention for binary molecular compounds would be "dihydrogen monoxide."

The International Union of Pure and Applied Chemistry (IUPAC) has established a set of strict guidelines for naming chemical compounds.

The IUPAC naming convention is a systematic approach for naming binary molecular compounds.

The name for water, H2O, using the strict IUPAC naming convention for binary molecular compounds would be "dihydrogen monoxide."

The name for H2O, according to IUPAC, is dihydrogen monoxide, as "di" means two, "hydrogen" is the first element, and "monoxide" means one oxygen atom is present.

This nomenclature system provides a clear and unambiguous way to identify and name molecular compounds, ensuring that scientists around the world can communicate effectively without confusion or misunderstanding.

Chemical nomenclature is important because it allows scientists to communicate precisely and unambiguously about the composition of chemical compounds.

The IUPAC naming convention is an essential tool for chemists to communicate about compounds and study their properties and behavior.

It is vital for students who are studying chemistry to learn the naming conventions used in the field.

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Answer:

Each photon has a specific amount of energy​

Explanation:

Answer:

the trigger . it's the trigger

Answer:

It is the handle

Explanation:

I know because I did this test in school

Answer:

1. Crush the sugar into powder.

2. Heat the water.

3. Dissolve it by stirring continuously

Explanation:

1. Crushing the sugar into powder increases surface area. So it increases the changes of dissolving

2. Heating the water increases the capacity of water to dissolve sugar.

3. Stirring continuously increases randomness of particles so eases mixing up thus increasing dissolving tendency.

Answer:

D. The flesh should return to normal after you press it.

Explanation:

The water content stored in the flesh of the fish, paired with the elasticity are both indicators of freshness, and will cause the flesh to return to normal after its been pressed.

The given statement " Apocalyptic literature, the source of suffering for god’s people is their faithfulness" is true. Because, it includes texts found in religious or biblical contexts, the suffering experienced by God's people is often attributed to their faithfulness or lack thereof.

These texts typically depict a period of intense tribulation, persecution, or catastrophic events that are believed to occur as part of a divine plan or judgment.

According to the narrative structure of apocalyptic literature, the suffering endured by the faithful is seen as a test of their devotion and commitment to their beliefs. It is believed that their faithfulness will ultimately be rewarded, either through deliverance or entrance into a new divine realm.

This theme can be found in various apocalyptic texts, such as the Book of Revelation in the New Testament of the Bible, where the faithful are depicted as enduring suffering and persecution due to their unwavering allegiance to God.

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The statement “in apocalyptic literature, the source of suffering for God’s people is their faithfulness” is generally true.What is apocalyptic literature?Apocalyptic literature is a kind of literature that is heavily symbolic and depicts catastrophic events.

It was created during times of hardship and political strife, such as during the reign of the Roman Empire, which made it impossible for people to freely practice their religion and made them feel as though the end of the world was near.Suffering for God’s people in apocalyptic literature:In apocalyptic literature, the faithful are expected to suffer. As a result, the source of suffering for God’s people is their faithfulness.

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The heat transfer from the metal to the water is equal to the heat absorbed by the metal. Therefore, the specific heat of the metal is 386.34 J/g°C, rounded to two decimal places.

In this experiment, the specific heat of a metal with a mass of 3.4 g is determined by calculating the heat transfer between the metal and a water bath with a mass of 54.2 g. The metal is heated to a temperature of 344.67 K and placed in a water bath at an initial temperature of 292.37 K. The final temperature of the water is measured to be 295.53 K, and since the metal and water are in thermal equilibrium, the metal also has the same final temperature. Using the equation Q = mcΔT, where Q is the heat transfer, m is the mass, c is the specific heat, and ΔT is the change in temperature, the heat transfer from the metal to the water can be calculated. Knowing that the specific heat of water is 4.184 J/g°C, the change in temperature of the water can be calculated as 3.16 K. Substituting these values into the equation, the heat transfer from the metal to the water can be determined as 706.06 J. The specific heat of the metal can then be calculated using the equation c = Q / (m * ΔT) as 386.34 J/g°C, rounded to two decimal places.

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Answer:

Properties: The melting point of phosphorus (white) is 44.1°C, boiling point (white) is 280°C, specific gravity (white) is 1.82, (red) 2.20, (black) 2.25-2.69, with a valence of 3 or 5. There are four allotropic forms of phosphorus: two forms of white (or yellow), red, and black (or violet).Oct 7, 2019

Atomic Number: 15

Atomic Weight: 30.973762

Explanation:

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Answer:

Properties: The melting point of phosphorus

Atomic Number: 15

Atomic Weight: 30.973762

Discovery: Hennig Brand, 1669 (Germany)

Answer:

0.03:---$7--$-$7$--$-$-$$-$+-$$7-$$-$7-$8$+$-$

Answer:

The value of constant identifies the degree to which the compound can dissociate in water

Explanation:

The solubility product constant (ksp) describes the equilibrium between a solid and it's constituent ions in a solution.

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'.

glass molucules are randomly arranged so either B or D

According to the information we can infer that the relationship between time and distance is constant, this object moves at a speed of 2 meters per minute (option B).

To identify the average speed of this object we must analyze the information from the graph. In this case, the speed shown is that the object moves 10 meters for every 5 minutes. According to the above, if we want to know how much distance it travels per minute, we must divide the distance into time as shown below:

According to the above, the object moves 2 meters for every minute. So the correct choice would be B. 2 meters/ minute.

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Answer:

that the polar bear will come out again in 2 years

Answer:

Multicellular organisms thus have the competitive advantages of an increase in size without its limitations. They can have longer lifespans as they can continue living when individual cells die. Multicellularity also permits increasing complexity by allowing differentiation of cell types within one organism.

Answer:

The correct answer to the following question is "TRUE".

Explanation:

So that the given is the correct statement.

The variations in shape among covalent crystals and molecular crystals reason the melting factors of every form of crystal to differ.

Covalent crystals have excessive melting factors even as molecular crystals have low melting factors. Covalent crystals are composed of atoms which can be covalently bonded to 1 another. Molecular crystals are held collectively with the aid of using vulnerable intermolecular forces. When thinking about their properties, molecular solids are extraordinarily tender material, even as covalent community solids are very hard. Moreover, molecular solids have extraordinarily low melting factors, while covalent community solids have very excessive melting factors.

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Complete question-

What is the difference between a covalent crystal and a molecular crystal?

The cultures of prehistoric humans are primarily known through the excavation of stone tools and other durable artifacts, such as the Oldowan and Acheulian tool traditions.

Stone tools and imperishable artifacts serve as key archaeological evidence for understanding prehistoric cultures. Through meticulous excavation and analysis, archaeologists have been able to piece together the lifestyles, technological advancements, and social behaviors of early human societies. The term "paleolithic" refers to the Old Stone Age, a time when humans relied on stone tools as their primary implements.

The Oldowan tool tradition is considered the earliest stone tool industry, dating back around 2.6 million years ago. It is characterized by simple tools, such as choppers and scrapers, which were crafted by flaking off pieces from larger stones. These tools were primarily used for basic activities like butchering and processing animal carcasses.

Later, the Acheulian tool tradition emerged around 1.76 million years ago, representing an advancement in stone tool technology. Acheulian tools, such as handaxes and cleavers, were more refined and standardized, showcasing an increased level of sophistication in tool-making techniques. These tools served a wide range of purposes, including hunting, woodworking, and shaping raw materials.

By studying the Oldowan and Acheulian tool traditions, researchers gain valuable insights into the cognitive abilities, cultural development, and technological progress of early humans. The examination of these artifacts provides evidence of their adaptability, problem-solving skills, and the gradual refinement of their tool-making techniques over time.

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The correct name of the molecule depends on the arrangement of the substituents on the cyclopentane ring.

If the chlorine atom and the two methyl groups are on the same side of the ring, the molecule is called cis-1-chloro-3,4-dimethylcyclopentane.

If the chlorine atom and the two methyl groups are on opposite sides of the ring, the molecule is called trans-1-chloro-3,4-dimethylcyclopentane.

Therefore, both "cis-1-chloro-3,4-dimethylcyclopentane" and "trans-1-chloro-3,4-dimethylcyclopentane" are correct names for the molecule, and two of the options provided in the question are acceptable.

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