what are ideal gas law constants

Answer:

Óxido de magnesio

Concepto:Es un óxido metálico, formado por magnesio y oxígeno, de estructura iónica cuya fórmula química es MgO.

pCO2 is an important factor that affects various aspects of water chemistry and the impacts of ocean acidification. When pCO2 increases, the concentration of total CO2 dissolved in water also increases. This leads to changes in pH, which decreases due to increasing atmospheric CO2 concentration.

When pCO2 rises, the concentration of only CO2 dissolved in water increases. The dissolved CO2 forms carbonic acid, which contributes to the acidification of the ocean. This increase in CO2 affects the equilibrium between CO2, HCO3-, and CO3^2-, shifting it towards higher levels of dissolved CO2 and H+ ions, resulting in a lower pH.

In terms of the impacts of ocean acidification on different organisms, the effects can vary depending on their specific needs. An organism that requires CO2 is likely to fare better under ocean acidification since the increase in dissolved CO2 can provide them with a favorable environment. However, organisms that rely on HCO3- or CO3^2- may fare worse under ocean acidification, as the lower pH interferes with the availability of these carbonate ions, which are essential for shell formation and calcification in some marine organisms.

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The complete nuclear fusion of each reaction: 2 1 H (hydrogen) + 2 1 H (hydrogen) → 4 2 He (helium) + 1 0 n (neutron) + D (deuterium) + E (energy)

238 92 U (uranium)

Nuclear fusion is a process by which atomic nuclei combine to form a heavier nucleus, releasing a large amount of energy in the process. In nuclear fusion reactions, lighter elements combine to form heavier ones, resulting in the release of energy. One example of a nuclear fusion reaction is the fusion of two hydrogen atoms, which results in the formation of helium, a neutron, and the release of energy in the form of deuterium and energy (D and E). Another example is the fusion of uranium, which can result in the formation of thorium, helium, and the release of energy in the form of fissile and energy (F and G). These reactions play a crucial role in powering the stars, including our sun, and hold great promise as a clean and virtually limitless energy source for the future.

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Answer:

D: 3

E: 2

F: 234

G: 90

Explanation:

You have to get what is on the right to add up to the left in that row.

Also right on edge 2023

The proper formula,  \(2Al(s) + 3 Br_2(l) - > 2AlBr_3(s)\),  shows mass conservation.

The mass conservation principle states that the total mass of all elements before a chemical reaction will be equal to the total mass of all elements after the chemical reaction i.e total mass of reactant is equal to total mass of product formed.

we will verify the mass conservation on the above reaction by calculating the total mass of reactant and total mass of product if both are same then it shows mass conservation else not.

let total mass of of all reactants be \(M_R\) and of product be \(M_P\)

mass of \(Al(s) = 27 u\) , bromine = 80u

\(M_R\)  = 2* 27 + 3 * 80 * 2

=> 54 + 480

so  \(M_R\) = 534 u

\(M_P\) = 2 *( 27 + 3 * 80)

=> 2*(27 +240)

=> 2*267

so \(M_P\) = 534 u

as we have seen that \(M_R = M_P\) , since total mass of reactant equals to total mass of product so it demonstrates conservation of mass.

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The sample of oxygen will occupy approximately 18.5 mL at -70 °C and the same pressure.

The force exerted by a gas on specific area is known as gas pressure..

As we know, (P₁ V₁) /(T₁) = (P₂V₂) /(T₂)

Given, P₁ is the initial pressure (452 torr); V₁ is initial volume (32.2 mL)

T₁ is initial temperature in Kelvin (30 °C + 273.15 = 303.15 K)

P₂ is final pressure (452 torr); V₂ is final volume (what we want to find)

T₂ is the final temperature in Kelvin (-70 °C + 273.15 = 203.15 K)

Now, V2 = (P₁ V₁ T₂) / (P2 T₁)

V₂ = (452 torr x 32.2 mL x 203.15 K) / (452 torr x 303.15 K)

V₂ ≈ 18.5 mL

Therefore, the sample of oxygen will occupy approximately 18.5 mL at -70 °C and the same pressure.

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The total mass of sodium chloride is 58.44 g/mol.

The mass of sodium is 22.99 g/mol.

To find the percent sodium in sodium chloride can be found by dividing the amounts.

Therefore, the percent sodium is 39%.

Answer:

Explanation:The main problem with Bohr's model is that it works very well for atoms with only one electron, like H or He+, but not at all for multi-electron atoms.

2,500 years ago, Democritus suggested that all matter in the universe was made up of tiny, indivisible, solid objects he called "atomos." However, other Greek philosophers disliked Democritus' "atomos" theory because they felt it was illogical.

Answer:

A

Explanation:

Tetrahedral

The term that describes the molecular structure is Tetrahedral. The correct option is A.

The molecular structure is the structure of the molecular compounds. It tells the presence of ions and bonds in a compound. It is the arrangement of atoms, groups, or ions in a molecule, as well as the quantity and distribution of chemical bonds.

The use and importance of molecular structure are comprehending Nature's complex design principles and blueprints depend on understanding molecular structure.

Perhaps we can start to imitate her lovely items more cheaply and with less negative environmental effects if we can comprehend her plans and fundamental materials. The given compound is tetrahedral.

Thus, the correct option is A. Tetrahedral.

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The given statement "Heat is not a measure of the ability of a substance to take in or give up heat" is false. . Heat is actually the energy transferred from one body or system to another due to a difference in temperature.

Heat can be thought of as a flow of energy from hotter to cooler objects, and it is measured in joules (J) or calories (cal). The ability of a substance to take in or give up heat is actually described by its specific heat capacity.

Specific heat is defined as the amount of heat energy required to raise the temperature of one unit of mass of a substance by one degree Celsius. Therefore, a substance with a high specific heat can take in or give up more heat energy than a substance with a low specific heat for the same change in temperature.

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The properties of BF₃ are affected by a variety of different interactions. The most important of these is the covalent bond between the three atoms, which is the primary source of stability for this molecule.

Additionally, the molecule can be affected by intermolecular forces such as hydrogen bonding and London dispersion forces. These forces help to hold the three atoms together and also affect the molecular shape. Finally, BF₃ can also be affected by electromagnetic interactions, such as dipole-dipole interactions and induced dipole interactions.

All of these interactions together contribute to the overall properties of the molecule, such as its melting and boiling points, viscosity, and solubility.

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Correct question is :

what response identifies all the interactions that might affect the properties of bf₃?

Answer:

False

Explanation:

Catalysts are reusable because they keep the chemical reactions moving without being consumed.

Answer:

just watch the video, what does it start with, write that down for each trial, then what does it end with, then starting mass - ending mass is the change mass

The metalloid that tends to act more like metals is boron.

The metalloids that tend to act more like nonmetals are arsenic, antimony, and tellurium.

Metals are the elements that have the ability to lose electrons, while nonmetals are the elements with the ability to gain electrons.

The metalloids are the elements with the ability to act as both metals and nonmetal. The metalloids have wide application, with its characteristic in between metals and nonmetals.

The metalloids with less than 4 electrons in the valence shell tends to act like metals, while metalloids with more than 4 valence electrons tends to act more like nonmetals.

The metalloid that tends to act more like metals is boron.

The metalloids that tend to act more like nonmetals are arsenic, antimony, and tellurium.

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Answer: A. metalloids in group 16 and B. metalloids in group 13

Explanation: took the test and got it right

Explanation:

1.ca

2.H

3.O

.................

Answer:

the answer is A, they are measured in kilograms

Answer:

Given, Mass of an object, m = 2kg

velocity, v = 2m/s

We have,

KE = 1/2 m v²

= 1/2 × 2 (2)²

= 1/2 × 8

= 4J

Hence, 4J is the required Kinetic energy.

Answer:

C

Explanation:

i took the test

The temperate climatic zone has hot summers, cold winters, and average amounts of precipitation throughout the year. Thus, option C is correct.

The climatic zone may be defined as a world area or part discerned from a neighbor by a significant physical climatic attribute that is of a transnational scale.

The movement of the sun from the tropic of cancer to the tropic of Capricorn determines the climate of a particular zone. The equator zone is more consistent with climatic attributes. The tropical zone has seasonal climatic attributes.  

Therefore, the correct option is C.

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Answer:

The element with the lower group number is written first in the name; the element with the higher group number is written second in the name. Exception: when the compound contains oxygen and a halogen, the name of the halogen is the first word in the name.

Explanation:

Source: https://www.chem.purdue.edu/gchelp/nomenclature/covalent.htm#:~:text=Rule%201.,first%20word%20in%20the%20name.

Hope this helped :)

Happy Early Valentine's Day!

Brainliest, Please!

In a covalent compound, the element that is named first is typically the one that is the least electronegative.

Electronegativity is a measure of an atom's ability to attract electrons to itself. The element with the lowest electronegativity will be named first in a covalent compound.

For example, in the compound H₂O (water), hydrogen is the least electronegative element, so it is named first. In the compound CO₂ (carbon dioxide), carbon is the least electronegative element, so it is named first.

It is important to note that there are some exceptions to this rule, such as when the compound contains a metal and a nonmetal. In these cases, the metal is always named first, regardless of its electronegativity.

Overall, the order in which elements are named in a covalent compound is determined by their relative electronegativities, with the least electronegative element being named first.

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Answer:

4,768.57

Explanation:

If you are asking us to calculate, your answer is above. Easiest and fastest way is to plug it into the calc.

Answer:

C is the answer they are looking for but clearly the truth is D

Explanation:

That is true he was known as the hair buyer

Answer:

its true.

i did it on edg 2020

Answer:

A tutorial, in education, is a method of transferring knowledge and may be used as a part of a learning process. More interactive and specific than a book or a lecture, a tutorial seeks to teach by example and supply the information to complete a certain task.

Answer:

Water molecules pull the sodium and chloride ions apart

Explanation:

Answer:

K potassium have least ionization energy among these four

Explanation:

Ionization energy values are given in kilo joule per mole

Ca 590

Ge 762

K 419

Ga 579

From above data we can understand stand K has least and Ge has highest ionization energy

It is very important to know how elements and compounds react together because everything that surrounds us is made out of elements and compounds. Therefore, understanding how these work can allow us to have a better understanding of the world that surrounds us. Moreover, it can avoid accidents when we deal with dangerous compounds, such as when we cook or clean.

Some elements are more "reactive" than other elements because the number of electrons in the outermost shell of the atom is greater that that of others.

A chemical element is a species of atoms that have a given number of protons in their nuclei, including the pure substance consisting only of that species.

The known elements have certain properties that helps in their identification .Those properties include  but are not limited to the following:

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Answer:

it is very important to know how elements and compounds react together because everything that surrounds us is made out of elements and compounds. Therefore, understanding how these work can allow us to have a better understanding of the world that surrounds us. Moreover, it can avoid accidents when we deal with dangerous compounds, such as when we cook or clean.

Explanation:

The water gained approximately 4,801.0 calories of heat from the burning cheese.

To figure out the number of calories gained by the water, we need to use the formula:

calories = mass of water (in grams) x specific heat capacity of water (1 calorie/gram Celsius) x change in temperature (in Celsius)

First, we need to find the mass of the water. We know that Carrie poured 176.4 mL of water into the can, so we need to convert that to grams:

176.4 mL x 1 g/mL = 176.4 g

Next, we can calculate the change in temperature:

40.4 degrees Celsius - 13.1 degrees Celsius = 27.3 degrees Celsius

Now we can plug in our values and solve for calories:

calories = 176.4 g x 1 calorie/gram Celsius x 27.3 degrees Celsius
calories = 4,801.1 calories

Rounding to the nearest 0.1 calorie, we get:

calories = 4,801.1 calories ≈ 4,801.0 calories

Therefore, the water gained approximately 4,801.0 calories of heat from the burning cheese.

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Answer:

0.264 mol/L

Explanation:

Data obtained from the question includes:

Volume = 5.74L

Mass of FeCl3 = 246 g

Molarity =?

Next, we shall determine the number of mole in 246g of FeCl3.

This is illustrated below:

Mass of FeCl3 = 246g

Molar mass of FeCl3 = 56 + (35.5x3) = 162.5g/mol

Number of mole of FeCl3 =..?

Mole = Mass /Molar Mass

Number of mole of FeCl3 = 246/162.5

Number of mole of FeCl3 = 1.514 mol

Now, we can obtain the molarity of the solution as follow:

Molarity = mole /Volume

Volume = 5.74L

Mole of FeCl3 = 1.514 mol

Molarity = 1.514/5.74

Molarity = 0.264 mol/L

In a perfect world without air resistance, the top of the swing would have the most potential energy, but the least amount of kinetic energy. As the pendulum falls down, it gains more kinetic energy as it travels faster due to gravitational acceleration but loses more potential energy as it loses height. The total amount of energy in the system (the sum of kinetic and potential energy) stays the same.

The energy of a pendulum is changed from Kinetic to Potential Energy (and vice-versa) when it moves through one cycle of its motion.

The kinetic energy of an object is the energy that it possesses due to its motion and is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity.

Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes.

When we move the bob of the pendulum to start the movement you "charge" it with Potential Energy (Gravitational) by varying its position (height) in relation to the ground.

When we release the bob it moves towards the equilibrium position changing Potential into Kinetic Energy (through the movement with Velocity).

At the equilibrium point the bob doesn't stop but goes on up to the same height "re-charging" it with Potential Energy.

The sum of Kinetic (K) and Potential (U) Energy (called Mechanical Energy is always the same:

E = K + U = constant

Therefore, The energy of a pendulum is changed from Kinetic to Potential Energy (and vice-versa) when it moves through one cycle of its motion.

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