Counting Atoms in Chemical Equations Nitrogen gas reacts with hydrogen to produce ammonia. Use the chemical equation to complete the statements. N2 + 3H2 → 2NH3

Answer:

there it is fella tried on ma own consciousness

The relationship between the CO₂ and the sea levels is the carbon dioxide is higher about 10 % at  deep ocean than the surface.

This  warms world due to the greenhouse gases that included the carbon dioxide , the water  heat up and it expands due to which the sea level rises.  if we remove the extra heat from the ocean that caused by the short lived gases , it lowers the sea levels and this process is very slow.

The carbon dioxide that dissolves in the ocean will cause the sea water to be acidify. this will harmful for the shellfish and the corals.

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The strongest type of interaction that occurs between the atoms is hydrogen bond.(option c)

A hydrogen atom that is bound to a highly electronegative atom and another highly electronegative atom that is close by interact with one another to form hydrogen bonds, which are an unique kind of attractive intermolecular interactions. This process is known as hydrogen bonding.

As a result of hydrogen bonding, a hydrogen atom simultaneously forms a covalent bond with one electronegative atom and a hydrogen bond with the other. These are the prerequisites for hydrogen bonding:

1.A strongly electronegative atom connected to the hydrogen atom must be present in the molecule. The degree of polarization of the molecule increases with increasing electronegativity.

2.The electronegative atom should have a tiny size. The strength of the electrostatic attraction increases with decreasing size.

So, the hydrogen bonding is the strongest bond.

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A nuclear reaction like α decay takes place in the nucleus of an atom.An element becomes a different element. A chemical reaction like the formation of NaCl involves rearranging the electrons, which are outside the nucleus. The elements are not change. Salt is consists of sodium and chlorine.

The splitting of the uranium-235 nucleus when it is blasted with neutrons is a crucial illustration of nuclear fission. This nuclear reaction can result in a number of different compounds.

Nuclear vs Chemical reactions

1. Alpha decay

U₉₂²³⁸ ⇒ He₂⁴ + Th₉₀²³⁴

A nuclear reaction like α decay takes place in the nucleus of an atom.

An element becomes a different element.

2. Chemical reaction

Na· + ·Cl ⟶ Na⁺ + Cl⁻

A chemical reaction like the formation of NaCl involves rearranging the electrons, which are outside the nucleus.

The elements are not change. Salt is consists of sodium and chlorine.

Thus, A nuclear reaction like α decay takes place in the nucleus of an atom.

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Answer: Correct option is B . calcium and iron  decrease the absorption of lead in the body.

Explanation: calcium and iron  decrease the absorption of lead in the body without affecting its solubility,probably by competing for shared absorptive receptors in the intestinal mucosa. The total body burden of lead does not affect lead absorption. Thus, lead does not have a feedback mechanism which limits absorption.

Answer: 3

Explanation:

Grams have been employed to estimate the mass of decomposition. Option C is correct, so.

The chemical response is as follows:

Every mole of must be broken to generate one mole of KCl.

180 kilograms of KCl was produced.

KCl produced in moles =

Produced moles of KCl equals moles.

Degradation of the same material is necessary for the creation of moles of KCl.

Therefore, the moles of the must be decomposed = moles.

Decomposition of mass equals moles of molecular weight

122.2 grammes of moles must be degraded from the mass.

Has to be decomposed for the production of 2 moles of KCl =

kilos.

Thus, kilograms has supplied the mass of decomposition. Option C is correct, however.

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Answer:

Apparent magnitude

Explanation:

By definition, Apparent magnitude which is usually denoted by "m" is the measure of the brightness of a star or even other astronomical objects that are observed from Earth. Meanwhile the absolute magnitude is defined as the intrinsic luminosity emitted by a star or other astronomical objects.

Thus, apparent magnitude is correct.

Using the Ideal Gas Law equation: [tex]PV=nRT[/tex]

STP also known as Standard Temperature  and Pressure is a set of conditions at sea level

At STP:

P = 101.3 kPa

T = [tex]0^o C[/tex] or 273 K

[tex]n=\frac{PV}{RT}[/tex]

[tex]n=\frac{101.3kPa)(3.7L)}{(8.31\frac{kPaL}{molK})(273K)}[/tex]

[tex]n = 0.16 mol[/tex]

The periodic chart has many different types of elements. Some elements are metals, some are nonmetals, and yet others are metalloids. Therefore, ductility is the property of metals that explains the given phenomenon.

Metals are hard, conduct electricity, are ductile, lustrous, and malleable materials. Since metals have free electrons that's why they can conduct electricity. Since atoms in metals are very closely packed in a definite crystal solid. It is not brittle that is it can not be broken down easily.

If a strong force acts on the metal towers of the suspension bridge, the towers will not break into pieces, like glass would, but will bend instead. Ductility is the property of metals that explains the given phenomenon.

Therefore, ductility is the property of metals that explains the given phenomenon.

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Li2O > K2O > Rb2S is the order of given compounds lattice energy in the increasing order

Lattice energy is a measure of the strength of the electrostatic attraction between the positively charged cations and negatively charged anions in an ionic compound. The greater the lattice energy, the stronger the electrostatic attraction and the more stable the compound.The most common method for determining lattice energy is the Born-Haber cycle. This method uses thermochemical data of the individual steps in the formation of an ionic compound to calculate the lattice energy. However, it is often impractical to use this method in a test environment, so a more practical method that is used to compare lattice energies of different compounds is the use of the Coulomb's law which relates the lattice energy to the charge product of the cations and anions and the distance between them.

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Kinetic energy increases as mass increases

The shape of the mass vs energy graph shows a linear relationship

When we double the mass, we double the energy.

The graph shown in the image is a plot of the kinetic energy of objects on the y-axis and the mass of the objects on the x-axis.

The graph is a straight line. This shows that there is a linear relationship between the two parameters - the kinetic energy and mass of objects. Thus, the kinetic energy increases as mass of objects increases, and decreases as mass of objects increases.

From the graph, when the mass of objects are doubled, there is also a double in the amount of the kinetic energy of objects.

In summary, the graph shows that:

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Answer:

B. Propane

Explanation:

just did it edge 2022

Answer:

fossils are rare bc most dead organisms get decayed by environmental change and decomposers,most fossils are parts of bones and mostly found indry areas like deserts

Answer:

Yellow

Explanation:

The color of the equilibrium mixture of Iodine Monochloride and Chlorine is yellow. When the mixture is heated, it becomes darker brown in color.

Answer:

trigonal pyramidal

Explanation:

In the case of water.

Answer:  yes

Explanation:

Chemical potential energy is energy stored in a substance because of its composition.

Answer:

True

Explanation:

Chemical Potential Energy Energy is the capacity for doing work or supplying heat. When you fill your car with gasoline, you are providing it with potential energy. Chemical potential energy is the energy stored in the chemical bonds of a substance.

Answer:

Light changes speed in a glass of water.

Explanation:

51.8 g NaCl

Explanation:

2Na(s) + Cl2(g) ---> 2NaCl(s)

20.4 g Na × (1 mol Na/22.9898 g Na) = 0.887 mol Na

0.887 mol Na × (2 mol NaCl/2 mol Na) = 0.887 mol NaCl

0.887 mol NaCl × (58.44 g NaCl/1 mol NaCl) = 51.8 g NaCl

Answer:

umm

Explanation:

The name of most reactive non-metal element on the periodic table is fluorine

Fluorine is the nonmetal in the periodic table that is the most reactive.

On the Pauling scale, it has the highest electronegativity of any element (3.98). Fluorine is a highly reactive, diatomic gas that may mix with practically every other element to form compounds that have entirely different properties from either of the original components. The boiling point of fluorine is -188 °C (-310 °F).

Hydrofluoric acid and hydrogen fluoride gas are produced during the reaction with water: HF + H₂O ⇒H⁺ + HF + OH.

Chemical elements are shown on a periodic table in order of their atomic number. The classification of elements and their relationships to one another can be understood using the periodic table.

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The weight of the book in kilograms is 0.498Kg.

A body's bulk is an innate characteristic. It was widely believed to be related to the volume of matter in a physical body prior to the discovery of the atom and particle physics.

You can work on a level surface provided by the book.

will eventually add more weights. It is distinctive in its own way. The mass must be measured.

the account balance to 0 the scale with the book on it. Weigh the object down to the nearest gram (1 g). 498g In this experiment, all masses will be measured in kilograms. the books weigh 0.498 kg in kilograms.

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When two atoms of chlorine and iodine join together to form a covalent bond, their outermost electrons interact to form a chemical bond.

What is a Covalent bond?

A covalent bond is a type of chemical bond that involves the sharing of a pair of electrons between two atoms. Covalent bonds are formed when two atoms come together to share their electrons in order to reach a more stable electron configuration. As a result, the two atoms become bonded together by the attraction of their shared electrons.

The chlorine atom has seven valence electrons, while the iodine atom has seven as well. Both atoms will want to complete their octets, so the two atoms share their outermost electrons with each other. During the formation of the covalent bond, the chlorine atom will donate one of its electrons to the iodine atom, while the iodine atom will donate one of its electrons to the chlorine atom. This sharing of electrons allows the two atoms to form a single bond and fill their octets, forming a covalent bond.

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