Answer:
Nitrogen is N2
Oxygen is O2
Carbon dioxide is CO2
An atom of which element has the greatest attraction for the electrons in a bond with a hydrogen atom
Answer: Fluorine
Explanation: There are many variables that can affect the strenght of attraction of the electrons in a chemical bond.
The most significant of them is the electronegativity: a meassure of the affinity an element has with the electrons . The higher the electronegativity, the stronger the attraction with electrons.
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What is scope 1 scope 2 and scope 3?
Scope 1 emission covers direct emissions from owned or controlled sources. Scope 2 emission covers indirect emissions consumed by the reporting company. Scope 3 emission includes all other indirect emissions that occur in a company’s value chain.
The scopes of emission relates who owns those emissions and the level of control applicable to changing those emission levels at each stage. Scope 1 and 2 emissions are a mandatory part of reporting for many organizations across the world and relate to systems that are within reasonable control of an entity such as onsite and purchased energy. Scope 3 emissions are centered on sources of emissions that are more external to a specific organization such as those across the supply chain. This explains the scopes of emission.
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Answer:
Essentially, scope 1 and 2 are those emissions that are owned or controlled by a company, whereas scope 3 emissions are a consequence of the activities of the company but occur from sources not owned or controlled by it.
Explanation:
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enter your answer in the provided box.a solution is made by dissolving 0.100 mol of nacl in 7.05 mol of water. what is the mass percent of nacl?
NaCl has a mole fraction of.0.0139.
briefly:-Mole fraction is a unit of concentration, to put it concisely. The mole fraction, which is denoted by "X," is a unit of measurement for the ratio of solute to solvent in a solution.
Mole fraction = solute concentration in mol/solute concentration (mol) plus solvent concentration (mol)
0.1/0.1 + 7.05 = 0.0139 is the mole fraction.
NaCl has a mole fraction of.0.0139 as a result.
How can I calculate the mass percent?To get the mass percent of an element in a compound, multiply the result by 100 after dividing the mass of the element in 1 mole of the compound by the compound's molar mass.
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When 12.2 g of benzoic acid is dissolved in 100g of water the freezing point of solution was?
The freezing point of a solution made up of 12.2 g of benzoic acid and 100 g of water was determined to be 0.93 oC (Kf(H2O)=1.86 K kg mol-1).
What is the remedy?A method for dealing with a problem or issue is called a solution. A multitude of methods can be used to arrive to solutions,
which can take many different shapes.
The best solutions to problems are frequently those that are created in collaboration and make use of the knowledge and resources of everyone participating in the process.
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The ___inner core____________ is the hottest layer because it is at the center of the Earth, but pressure from the outer layers makes it solid___________________.
The earth inner core composed of solid iron is the hottest layer because it is at the center of the Earth, but pressure from the outer layers makes it solid layer.
What is the inner Earth core made of?The Earth's inner core contains even more metal than the outer core. Both are mostly comprised of iron with a little amount of nickel. However, lighter elements like oxygen, carbon, and silicon are also assumed to be present in small amounts in the iron.The deepest geologic stratum of the planet Earth is called the inner core. It is mostly a solid ball with a radius of 1,220 km, which is around 20% of the radius of the Earth or 70% of the radius of the Moon.At the very centre of the planet, under the outer core, lies the inner core, which is the Earth's deepest layer. 5150 km or so below the Earth's surface is where the inner and outer cores officially split.Learn more about Earth's inner core refer to :
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What is the "percent
abundance" of the cannellini
beans in this sample?
Sample Number Abundance Mass
of Beans
(%)
(g)
187
1.3
Black
Eyed Peas
Cannellini
Beans
113
[?]
Percent Abundance
2.9
Weighted
Average (g)
1.9
Enter
The "percent abundance" of the cannellini beans in this sample is 11.76 %.
What is percent ?In essence, percentages are fractions with a 100 as the denominator. We place the percent symbol (%) next to the number to indicate that the number is a percentage. For instance, you would have received a 75% grade if you answered 75 out of 100 questions correctly on a test (75/100).
The word percentage comes from the Latin term per centum, which means "by the hundred." In the 16th century, the Latin phrase made its way into English. Later, it was shortened to percent and ended with a period. Later, the period was eliminated, and the two portions were combined to create the current one-word form of percent.
Thus, The "percent abundance" of the cannellini beans in this sample is 11.76 %.
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a car owner decides to leave his car outside on a cold winter day. the next morning, the driver noticed ice on the windshield, a product of deposition. choose the best reason explaining this phenomenon. what happened?
Answer:
Deposition: the process in which a gas changes directly to a solid without going through the liquid stage.
In the above given exam the wind and cold blowing on a cold winter day formed ice due to the weather an temperature outside. It was on the windshield as it found a perfect slanting surface to get stuck to.
co2 gas in a closed container has a partial pressure of 0.400 atm. if all the co2 is consumed in the reaction below, what is the partial pressure of the o2 formed? (assume constant volume and temperature.)
The mixture's pressure of 5.34 atm is equal to the partial pressure of the produced oxygen.
How can I determine the air's partial pressure of CO2?Ptotal = 5.09 + 3.82 + 2.54, or approximately 11.45 atm, is obtained by multiplying 0.2 mol by our constant of 0.0821 and our temperature of 310 degrees K, then dividing by 2 liters to obtain the partial pressure of carbon dioxide.
What is the formula for partial pressure?One of two methods can be used to compute partial pressures: 1) Use PV = nRT to calculate the individual pressure of each gas in a mixture. 2) Using the mole fraction of each gas, calculate the percentage of the total pressure that may be allocated to each individual gas.
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1. Mention the 4 methods of separation. Explain each method with diagrams and give suitable examples.
2. Define and give 2 examples for each of the above.
Using techniques like distillation, filtration, and chromatography, which employ variations in the components of a mixture's physical qualities to separate them, mixtures can be physically separated.
What is the separation approach, with an example?Filtration is the most used technique for separating a liquid from an insoluble material. Consider the combination of sand and water, for instance. Here, solid particles are eliminated from the liquid through filtration. Different filtering agents, such as filter paper or other materials, are frequently utilized.
What types of separation techniques are there?Filtration, hand-picking, threshing, winnowing, sieving, sedimentation and decantation, magnetic separation, centrifugation, evaporation, distillation, and other processes are a few of the mixture preparation techniques that are covered in detail in this article.
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How many grams are in 1.00 mole of magnesium?
The amount of grams are in 1.00 mole of magnesium will be 24.305 grams.
Grams can be determined by using the formula:
Moles of Magnesium × 24.305 = Grams of magnesium.
24.305 is the mas of magnesium,
so,
1 x 24.305 = 24.305 grams.
Thus, 24.305 gramme of magnesium make up 1 mole.
The mole would be the volume of a system that has the same number of atoms in 0.012 kilogram of carbon 12 even though the constitute of elementary particles.
It may be used to quantify the chemical reaction's byproducts.
A compound's chemical composition was symbolically represented by its chemical formula.
When one or even more chemicals are transformed into one or more additional compounds, a chemical reaction takes place.
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Drag the labels onto the diagram to identify the basic structures of the epidermis-dermis junction
Epidermis' layers are first separated into two main groups: 1. A superficial layer of dead, keratinized cells 2. A layer of live, non-keratinized cells that is inner Malpighian or germinative.
A sophisticated blood artery network makes up the dermis. Two different networks of these vessels are formed: First, the superficial plexus It is made up of linked venules and arterioles.
The dermis contains the epidermal appendages, such as hair follicles and sweat glands, that attach to the skin's surface.
Learn with Quizlet and retain terms from flashcards such as To see the fundamental components of the connection between the epidermis and dermis, drag the labels onto the diagram. To identify the parts of the integumentary system, drag the labels onto the diagram. The following are all.
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