What is the error in the electron configuration, 1s2 2s2 2p6 3s2 3p5 4s2?

Degradation means that a large molecule is broken down into simpler ones. In this case, glucose which has a chemical formula of C6H12O6 is broken down into simple parts.

Assuming that the reaction takes the form below, glucose is usually converted into 6 units of carbon dioxide CO2.

C6H12O6  + reactant  -->  6CO2  + product

Final answer:

When glucose is completely degraded, its six carbon atoms combine with oxygen to form carbon dioxide during cellular respiration. The energy from glucose's chemical bonds is stored in energy-carrier molecules.

Explanation:

When glucose is completely degraded, all six carbon atoms combine with oxygen to form carbon dioxide. The process of glucose degradation occurs during cellular respiration, specifically through the Krebs Cycle. After two turns of the cycle, the original glucose molecule has been broken down completely, and the energy from its chemical bonds has been stored in energy-carrier molecules. In total, 16 energy-carrier molecules are produced.

the reason why is that salt is a solid while ice is a liquid solid

or something like that but don't forget to put that it is  a solid

Answer:

The answers are options 1, 2, 3, and 5.

Explanation:

Hello!

Let's solve this!

When an experiment is carried out and less product is obtained, it may be because:

There are impurities in the substances.

The reaction might not go to completion.

The amount of one of the reactants might be measured incorrectly.

The expected amount might be based on measurements with error.

We conclude that the answers are options 1, 2, 3, and 5.

The chemical symbol of the chlorine element is represented Cl.

A chemical element can be described as a species of atoms that have a given number of protons in their nuclei which includes a pure substance consisting only of that species.

The chemical elements cannot be further broken down into simpler substances, unlike chemical compounds, by any chemical reaction.  The defining property of an element is the number of protons in the nucleus which is referred to as its atomic number.

Nearly all naturally occurring chemical elements occur on the Earth as compounds or mixtures. Air is primarily a mixture of nitrogen, oxygen, and argon, though it does contain compounds like carbon dioxide and water. A chemical symbol can bed described as a one- or two-letter designation of an element that has the first letter always capitalized.

The elements are organized in tabular form by increasing atomic numbers into rows called "periods" and into columns called "groups" that share physical and chemical properties. The modern periodic table summarizes various properties of the elements and the relationships between them.

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Final answer:

The letters in brackets in a chemical equation represent the physical states of substances; balancing a chemical equation requires the same number of each type of atom on both sides.

Explanation:

The letters in brackets like (s), (l), (g), and (aq) in a chemical reaction equation represent the physical states of the substances involved. (s) stands for solid, (l) for liquid, (g) for gas, and (aq) for aqueous solution, which means the substance is dissolved in water. To balance a chemical equation, you need to ensure that the number of atoms of each element is the same on both sides of the equation. For example, to balance Na (s) + Cl2 (g) → NaCl (s), we need to recognize that Cl2 is diatomic, and therefore the equation should be balanced as 2Na (s) + Cl2(g) → 2NaCl (s) to have equal numbers of sodium and chlorine atoms on both sides.

Answer:

[tex]N_2O_{3}[/tex]

Explanation:

Hi, the empirical formula is the minimal expression of the molecule composition and doesn't always represent the molecule in the reality.

On the other hand the molecular formula is a multiple of the empirical and represents how the molecule is composed in reality.

In this case they are the same.

Now, nitrogen has an atomic weight of 14 g/mol and oxygen one of 16 g/mol:

[tex]n_{nitrogen}=\frac{4.5g}{14g/mol}[/tex]

[tex]n_{nitrogen}= 0.321mol[/tex]

[tex]n_{oxygen}=\frac{7.715g}{16g/mol}[/tex]

[tex]n_{oxygen}= 0.482mol[/tex]

So the formula would be:

[tex]N_{0.321}O_{0.482}[/tex]

Dividing per 0.321:

[tex]NO_{1.5}[/tex]

In natural numbers:

[tex]N_2O_{3}[/tex]

He identified triads of elements that had similar properties.

Human activities can indeed accelerate the process of both physical and chemical weathering. Option C) is the correct answer.

Physical weathering involves the degradation of rock through physical processes, such as freeze-thaw cycles or abrasion. Chemical weathering, on the other hand, involves the decomposition of rock through chemical reactions, such as oxidation and hydration.

Human activities, such as deforestation, mining, and construction, can accelerate these processes. For instance, the removal of trees (deforestation) can lead to more intense freeze-thaw cycles, accelerating physical weathering. Mining, meanwhile, exposes more rock to air and water, facilitating chemical reactions and thus speeding up chemical weathering.

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The molecular mass and the molar mass of a substance are numerically equivalent but measured in different units: amu and g/mol, respectively. The molecular mass in amu of a single molecule of a substance is the same as the molar mass in g/mol of one mole of that substance. This relationship is crucial for stoichiometric calculations in chemistry.

The molecular mass of a substance is the sum of the masses of all the atoms in a single molecule of that substance, measured in atomic mass units (amu). On the other hand, the molar mass of a substance is the mass of one mole of that substance, measured in grams per mole (g/mol). These two quantities have a direct relationship: for a given substance, the numerical value of the molecular mass in amu is equal to the numerical value of the molar mass in g/mol.

For example, the molecular mass of water (H2O) is approximately 18 amu (2(1) for hydrogen + 16 for oxygen), which means its molar mass is also 18 g/mol. To calculate the number of moles of a substance from its mass, we can use the equation: moles of solute (n) = mass of the solute (m) divided by the molar mass of the solute (M).

Understanding the relationship between molecular mass and molar mass is essential for converting between mass and moles of a substance, which is a fundamental concept in chemistry when dealing with reactions and stoichiometry.

The thing to be done to change carbon dioxide gas into a solid is to decrease the temperature till freezing point.

The condition of matter in which materials are not fluid but maintain their boundaries without support, with atoms or molecules maintaining fixed places in relation to one another and unable to move freely.

For changing the gaseous state into the solid state, we have to increase the pressure of gas so that the molecules of gas come close to each other or by decreasing the temperature of gas so that toms get freeze to not move freely.

Hence, by decreasing the temperature to freezing point, carbon dioxide gas will change into a solid.

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Final answer:

When 35.0 mol of C2H2 react completely according to the given equation, 70.0 mol of CO2 will be produced.

Explanation:

The student asked about the amount of CO2 produced when 35.0 mol C2H2 reacts completely, according to the balanced chemical equation provided for the combustion of acetylene (C2H2) in an acetylene torch: 2C2H2 + 5O2 → 4CO2 + 2H2O.

To find the amount of CO2 produced, we apply stoichiometry using the balanced equation. According to the equation, 2 moles of C2H2 produce 4 moles of CO2. Therefore, if 35.0 mol C2H2 react completely, the amount of CO2 produced can be calculated by setting up a ratio:

(35.0 mol C2H2) × (4 mol CO2 / 2 mol C2H2) = 70.0 mol CO2

Thus, 35.0 mol of C2H2 will produce 70.0 mol of CO2 when they react completely.

An activity series is the list that ranks elements based on their chemical reactivity, with good reducing agents like alkali metals on top, and good oxidizing agents like halogens at the bottom. The periodic table also organizes elements by their properties but in a different format, where elements with similar properties are grouped into families.

The name of the list of elements arranged according to the ease with which they undergo chemical reactions is called an activity series. An activity series is a list of elements ordered not by their atomic mass or number, but by their chemical reactivity.

This list typically presents elements in decreasing order of their reactivity. Elements at the top of the list, such as the alkali metals, are known to be good reducing agents, which means they lose electrons easily. Conversely, elements at the bottom, such as the halogens, are good oxidizing agents, meaning they tend to gain electrons.

Periodic Table and Element Families

While the periodic table organizes elements by increasing atomic number and groups elements with similar properties together in columns, it is different from an activity series. For instance, elements within the same family like the alkali metals (Group 1) or alkaline earth metals (Group 2) have similar chemical properties.

The periodic table's design allows chemists and scientists to infer the chemical behavior of elements, and it was constructed by Mendeleev, who grouped elements with similar properties together, sometimes even adjusting the order of atomic masses.

Answer:

Explanation:

The covalent bond is the chemical bond between atoms where electrons are shared, forming a molecule. Covalent bonds are established between non-metallic elements, such as hydrogen H, oxygen O and chlorine Cl. These elements have many electrons in their outermost level (valence electrons) and have a tendency to gain electrons to acquire the stability of the electronic structure of noble gas.

An ionic bond is produced between metallic and non-metallic atoms, where electrons are completely transferred from one atom to another. During this process, one atom loses electrons and another one gains them, forming ions. Usually, the metal gives up its electrons forming a cation to the nonmetal element, which forms an anion.

So, a way to determine the type of bond will be knowing if the atoms are metallic or non-metallic.

Answer: The chemical formula of the compound is [tex]Sr_3P_2[/tex]

Explanation:

Strontium is the 38th element of the periodic table. The electronic configuration of this element is [tex][Kr]5s^2[/tex]

This element will loose 2 electrons to attain stable electronic configuration to attain +2 oxidation state.

Phosphorus is the 15th element of the periodic table. The electronic configuration of this element is [tex]1s^22s^22p^63s^22p^3[/tex]

This element requires 3 electron to attain stable electronic configuration to attain -3 oxidation state.

So, by criss-cross method, the oxidation state of the ions are exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.

Hence, the chemical formula of the compound is [tex]Sr_3P_2[/tex]