Clouds are named for 3 different attributes including shape, _____________ & precipitation. *

A. size
B. color
C. elevation
D. smell

Answer:

Explanation:

Answer:

Hydrogen

Explanation:

An example of this can be In this example, hydrogen is the limiting reagent and oxygen is the excess reagent. The amount of product formed is limited by the amount of hydrogen.

Metabolism is referred as the term pertaining to all the chemical reactions and physical workings of the cell.

Cellular metabolism refers to the set of chemical and physical processes that occur within a cell in order to convert nutrients into energy and other molecules that the cell can use. It also includes the transport of molecules in and out of the cell, as well as the regulation of these processes which helps to maintain the homeostatic balance of the cell, allowing it to function normally and respond to environmental changes. This includes the breakdown of molecules like carbohydrates, proteins, and lipids into their basic components, as well as the synthesis of molecules like enzymes, hormones, and other complex molecules.

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Answer:

The second answer. Fish hide within the coral. Hope this helps!!!!

Answer:

somewhere

Explanation:

The electric potential energy increases when the distance between opposite charges increases.

The electric potential energy of charges is proportional to 1/r, where r is the distance between them. As the charges have opposite signs, the potential energy has a negative sign.

Therefore, when r increases, the absolute value of the potential energy decreases, but since it's negative, the potential energy actually increases. So, the electric potential energy increases as the distance between the charges increases.

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The Earth's atmosphere consists of approximately 0.04% carbon dioxide (CO2), or 400 parts per million (ppm). The majority of this carbon dioxide exists in the form of stable carbon-12 isotope (12CO2), which is not radioactive. However, a small fraction of the total carbon dioxide is composed of the radioactive carbon-14 isotope (14CO2).

Carbon-14 is a radioactive isotope of carbon that is formed in the atmosphere due to interactions between cosmic rays and nitrogen atoms. It is continually produced and naturally decays over time. The concentration of 14CO2 in the atmosphere is relatively low, with an approximate ratio of one 14CO2 molecule for every trillion carbon dioxide molecules.

This radioactive isotope is important in the field of radiocarbon dating, as it allows scientists to determine the age of organic materials by measuring the ratio of 14C to stable carbon isotopes. Organisms constantly exchange carbon dioxide with the atmosphere, and as a result, the concentration of 14CO2 in living organisms remains relatively stable. However, upon death, the intake of 14CO2 ceases, and the isotope decays at a known rate, enabling scientists to estimate the age of the organic material.

It's important to note that while the radioactive fraction of carbon dioxide is present in the atmosphere, its concentration is very low compared to the stable carbon dioxide. The majority of the carbon dioxide in the Earth's atmosphere is non-radioactive and does not pose a significant radiation risk to humans or the environment.

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Answer: do homework Xoxo

Explanation:

Answer:You NEED to be confident and love yourself being a baddie is not all about looks.Being a baddie does not mean that you have to put other people down abt themselves then they just think your rude.Have a good skincare rutine and drink lots of water!!!!! Strait hair and lip gloss are a must have and dont show to much skin for attention know your self worth.You gotta learn to put your money and your education BEFORE your emotions,chasing love will leave you unfocused and broke.Just focus on you and your goals girl.Never tolerate disrespect remember tolerance is just showing people how to treat you.And remember to always keep your head up when you walk because you are all that girll.

Explanation:

Answer:

Explanation:

Calcium chloride is deliquescent. If exposed to air, it will absorb sufficient water from the air to allow it to dissolve. After a short while, instead of a white lump, you will have a pool of clear liquid.

By knowing the hardness of a mineral, geologists can make inferences about its durability and potential uses.

The mineral property hardness refers to the measure of a mineral's resistance to being scratched. It is a useful characteristic for identifying and classifying minerals. Hardness is determined by the strength of the chemical bonds within the mineral's atomic structure. The hardness scale most commonly used is the Mohs scale, which ranks minerals from 1 (softest) to 10 (hardest). Talc, with a hardness of 1, is the softest mineral, while diamond, with a hardness of 10, is the hardest. The hardness of a mineral can be determined by testing its ability to scratch or be scratched by other minerals. To conduct this test, one mineral is used to scratch another, and the results are compared to the Mohs scale. By knowing the hardness of a mineral, geologists can make inferences about its durability and potential uses.

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The mineral property hardness refers to the ability of a mineral to resist scratching or being scratched by other substances. It is measured using the Mohs scale, which ranks minerals on a scale from 1 to 10 based on their relative hardness.

Here is a step-by-step explanation of the definition of hardness as a mineral property:

1. Hardness is a fundamental property used to identify minerals. It is one of the key characteristics that geologists and mineralogists use to distinguish different minerals from each other.

2. The definition of hardness is the resistance of a mineral to scratching or being scratched by another substance. In other words, it measures how easily a mineral can be scratched or how easily it can scratch other materials.

3. The Mohs scale is the most commonly used scale to measure hardness. It consists of a series of minerals, each with a specific hardness value. The scale starts with talc at number 1, which is the softest mineral, and ends with diamond at number 10, which is the hardest mineral.

4. To determine the hardness of a mineral, you can perform a scratch test. By attempting to scratch the mineral with different minerals from the Mohs scale, you can determine its hardness. If the mineral being tested can scratch another mineral, it has a higher hardness value. If it is scratched by another mineral, it has a lower hardness value.

5. For example, if a mineral can be scratched by a mineral with a hardness of 5 but cannot be scratched by a mineral with a hardness of 6, its hardness is between 5 and 6. This allows you to narrow down the possible identity of the mineral based on its hardness value.

In summary, the mineral property hardness refers to a mineral's resistance to scratching or being scratched by other substances. It is measured using the Mohs scale, which ranks minerals on a scale from 1 to 10 based on their relative hardness. The higher the hardness value, the more resistant the mineral is to scratching.

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Answer:

The equilibrium constant value is the ratio of the concentrations of the products over the reactants. This means that we can use the value of K to predict whether there are more products or reactants at equilibrium for a given reaction.

The solvents used to generate this and only this product are DMF, DMSO, i-PrOH.

1-bromopropane reacts with sodium propan-2-olate to form 1-isopropoxypropane. The mechanism of this reaction follows SN2 pathway.

Polar aprotic solvents like DMF, DMSO favors SN2 reaction and provides an ease to carry the reaction.

If the nucleophile is dissolve in less polar solvent, then SN2 reaction goes faster to form required product.

The nucleophile sodium propan-2-olate is dissolve in less polar solvent i-propanol (i-PrOH).

Thus, the solvents used to generate the only product are shown below:

DMF (dimethyl formamide)

i-PrOH (iso-propanol)

DMSO (dimethyl sulfoxide)

The synthesis reaction is given in the image.

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Answer:

Molar mass = 27 g/mol

Explanation:

Given data;

Number of moles of Al = 0.2 mol

Mass of Al = 5.4 g

Molar mass of Al = ?

Solution:

Formula:

Number of moles = mass/molar mass

By putting values,

0.2 mol = 5.4 g/ molar mass

Molar mass = 5.4 g/ 0.2 mol

Molar mass = 27 g/mol

The concept of energy balance refers to the equilibrium between the energy input into a system and the energy output from that system. It is based on the principle of conservation of energy, which states that energy cannot be created or destroyed but can only be transferred or transformed from one form to another.

In terms of human energy balance, it involves the energy intake from food and beverages (energy in) and the energy expenditure through basal metabolic rate, physical activity, and other bodily processes (energy out). When the energy intake matches the energy expenditure, there is an energy balance. However, when there is an imbalance, either an excess or deficit of energy, it can lead to weight gain or weight loss, respectively.

For example, if a person consumes 2000 calories (energy in) through their diet and expends 2000 calories (energy out) through their daily activities and bodily functions, they maintain an energy balance. This means that the energy intake is equal to the energy expenditure, and their weight remains stable.

On the other hand, if a person consumes 2500 calories (energy in) but only expends 2000 calories (energy out), there is a positive energy balance. The excess energy is stored in the body as fat, leading to weight gain over time.

Conversely, if a person consumes 1500 calories (energy in) but expends 2000 calories (energy out), there is a negative energy balance. The body needs to compensate for the energy deficit by utilizing stored energy reserves, such as fat, resulting in weight loss.

Support for the concept of energy balance comes from scientific studies on weight management and obesity. It has been shown that maintaining an energy balance is crucial for weight maintenance, while sustained positive or negative energy balances can lead to weight changes. Additionally, energy balance plays a role in various physiological processes, including metabolism, hormone regulation, and overall health.

By understanding and managing energy balance, individuals can make informed decisions regarding their diet, physical activity, and lifestyle to achieve and maintain a healthy weight and overall well-being.

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The mass number of the third isotope, given the data from the question is 34

The mass number of the third isotope can be obtained as illustrated below:

Relative atomic mass = [(Mass of 1st × Abundance of 1st) / 100] + [(Mass of 2nd × Abundance of 2nd) / 100] + [(Mass of 3rd × Abundance of 3rd) / 100]

32.133 = [(32 × 92.4) / 100] + [(33 × 1.9) / 100] + [(Mass of 3rd × 5.7) / 100]

32.133 = 29.568 + 0.627 + (Mass of 3rd × 0.057)

32.133 = 30.195 + (Mass of 3rd × 0.057)

Collect like term

32.133 - 30.195 = Mass of 3rd × 0.057

1.938 = Mass of 3rd × 0.057

Divide both sides by 0.057

Mass of 3rd = 1.938 / 0.057

Mass of 3rd = 34

Thus, we can conclude that the mass of the 3rd isotope is 34

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Missing part:

See attached photo

An atom is an indivisible particle of the matter and it is the fundamental building blocks of the matter. Some examples of atoms are sodium atom, fluorine atom, etc. It is the smallest unit of matter.

The elements are defined as the substance which is made up of same kind of atoms and that cannot be broken down into simpler form by any physical or chemical methods. Carbon is an element.

Carbon - C = 1 C atom

Oxygen molecule - O₂ = 2 'O' atoms

Methane - CH₄ = 1 'C' and 4 'H' atoms

Iron - Fe = 1 'Fe' atom

Glucose - C₆H₁₂O₆ = 6 'C', 12 'H' and 6 'O' atoms

Hydrogen chloride - HCl

Sulfur dioxide - SO₂ = 1 'S' and 2 'O' atoms

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A nitrogen atom in N2O3 has an oxidation number of +3.

The unknown nitrogen oxidation number can be given a variable (x) to ascertain its oxidation number. Since oxygen has an oxidation number of - 2 and there are three oxygen particles in N₂O₃, the complete negative charge from oxygen is (- 2) × 3 = - 6.

The total charge of a compound is equal to the sum of its oxidation numbers. Since the compound in question is neutral, the sum of the oxidation numbers must be zero in this instance.

2(N) + 3(O) = 0

2x + (-6) = 0

2x = 6

x = 3

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Answer:

Atoms are smaller than molecules, as atoms are the building blocks of matter.

Explanation:

Answer:

Kg/ ml

Explanation:

Hope I help you

thank you

The "Use Relative References" button is a feature in Microsoft Excel that allows users to record a macro that uses relative cell references instead of absolute references. This button is located on the "Developer" tab, which may not be visible by default and needs to be enabled in the Excel Options.

When the "Use Relative References" button is inactive, it is shaded, and the absolute reference is recorded in the macro. When it is active, it is not shaded, and the relative reference is recorded instead.

As for the statement that is not true, based on the information provided above, the statement "the Use Relative References button remains active until you turn it off" is not true. When you stop recording a macro, the "Use Relative References" button automatically turns off, and you need to reactivate it again if you want to use it in the next macro.

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Answer:

Explanation:

Driving a car (burning gas is a chemical change) and almost all the plastics we use are made by chemical reactions of different components.

Answer:

I think 50 grams only because you have pour 50 grams of solute in to 800 grams of solvent.

The experimental rate law of reaction A + B → products is given by the term as Rate = k[A], option D.

It is crucial to take into account the circumstances the reaction takes place in, the mechanism via which it occurs, the pace at which it occurs, and the equilibrium that the reaction is moving towards in addition to the chemical characteristics of the reactants. The chemicals that affect the pace of a reaction often come from one or more of the reactant's sides, although occasionally they can also be products. The rate of a reaction can also be influenced by catalysts, which do not appear in the balanced chemical equation.

for determing the order of reaction we will apply vant Hoff differential method.

we will keep concentration of one reactant constant they see the rate change wait to othey, similarly for other.

ав [B], keeping [A]. constant.

10g/0-0600 0-0590

2=x 0.176 0.0073 (rounding off)

ท = 0.041 20

Order wert [B] is 0.

Rate is k[A].

In the rate law expression, the order of a reaction is the product of the powers of the reactant concentrations. The powers in the aforementioned general response are x and y. Their total will reveal the reaction's order. A reaction's order might be 1, 2, 3, 0, or even a fraction.

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Complete question:

For the reaction A + B → products, the following data were obtained.

Initial Rate (mol/Ls) 0.030 0.059 0.060 0.090 0.090[A]0 (mol/L) 0.10 0.20 0.20 0.30 0.30[B]0 (mol/L) 0.20 0.20 0.30 0.30 0.50

What is the experimental rate law?

A) Rate = k[A]2[B]

B) Rate = k[B]

C) Rate = k[A][B]

D) Rate = k[A]

E) Rate = k[A][B] 2

Answer:

helium

Explanation:

helium has 2 protons and 2 electrons. The 2 electrons are on the first energy level.

a) Melting: An example of melting that occurs in our everyday life is when we heat butter on a stovetop.

b) Freezing: Freezing is the process in which a liquid transforms into a solid upon cooling.

c) Condensation: One example of condensation that we encounter regularly is when water droplets form on the surface of a cold drink on a hot day.

d) Evaporation: Evaporation is the process by which a liquid transforms into a gas or vapor.

e) Sublimation: Sublimation refers to the transformation of a substance directly from a solid to a gas without passing through the liquid state.

a) Melting:  Butter is a solid at room temperature, but when heat is applied, it melts into a liquid. This change is a result of the increase in temperature, which provides enough energy to overcome the intermolecular forces holding the butter molecules together.

b) Freezing:Eventually, the temperature reaches the freezing point of water (0°C or 32°F), at which the water molecules slow down and arrange themselves into a regular, crystalline structure. This transformation from a liquid to a solid state is accompanied by the release of heat energy.

c) Condensation: As the temperature decreases, the air's capacity to hold moisture decreases, causing the water vapor in the air to condense into liquid water droplets. This process occurs due to the transfer of heat energy from the warm air to the cold surface, leading to the saturation of the air and the conversion of water vapor into liquid form.

d) Evaporation:  As the sun's heat energy is absorbed by the water molecules on the clothes' surface, their kinetic energy increases, causing them to break free from the liquid phase and escape into the surrounding air as water vapor. This process occurs because the molecules at the liquid surface with sufficient energy can overcome the attractive forces within the liquid and enter the gas phase.

e) Sublimation: Sublimation refers to the transformation of a substance directly from a solid to a gas without passing through the liquid state. An example of sublimation is the process of dry ice (solid carbon dioxide) converting into carbon dioxide gas.

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Running a blank solution is crucial in spectrophotometry experiments to establish the zero %T and account for background absorbance. Without running a blank, the results can be affected by systematic errors.

It is important to run a blank solution to set the zero %T in both Parts 1 and 2 of the experiment because it helps to account for any background absorbance or interference from the solvent or other components in the sample. Running a blank solution allows us to establish a baseline measurement of the solvent or the solution without the analyte, which helps in accurately measuring the absorbance caused by the analyte of interest.

If a blank solution is not run, the results can be affected in several ways:

Systematic Error: The absence of a blank solution can introduce a systematic error, causing a constant offset in the measured absorbance values. This offset can lead to incorrect calculations and interpretations.

Overestimation or Underestimation: Without running a blank, the measured absorbance may include contributions from the solvent or other interfering substances. This can lead to overestimation or underestimation of the analyte concentration, affecting the accuracy of the results.

Distorted Beer's Law Plot: In the absence of a blank, the plot obtained may not accurately represent the linear relationship between concentration and absorbance according to Beer's Law. This can lead to incorrect calculations of the slope (molar absorptivity) and affect the accuracy of future concentration determinations.

In spectrophotometry, the blank solution serves as a reference for setting the zero %T (transmittance) or absorbance value. By measuring the blank, we can account for any absorbance caused by the solvent, impurities, or other components in the sample. The blank solution typically contains all the components except the analyte of interest. It is measured under the same conditions as the sample solutions.

The blank measurement allows us to subtract any background absorbance from the sample measurements, providing a more accurate representation of the absorbance caused solely by the analyte. This helps in obtaining reliable and precise measurements for concentration determination using Beer's Law.

Running a blank solution is crucial in spectrophotometry experiments to establish the zero %T and account for background absorbance. Without running a blank, the results can be affected by systematic errors, inaccurate concentration determinations, and distorted Beer's Law plots. It is important to always include a blank solution to ensure accurate and reliable measurements.

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When submerged in water, fizzing pills like Alka-Seltzer and others release carbon dioxide bubbles. As the carbon dioxide is created, bubbles may be seen forming and rising to the water's surface. The bubbles may even explode to your ability to hear.

One carbon atom is covalently doubly linked to two oxygen atoms in each of the molecules that make up carbon dioxide. At room temperature, it exists as a gas. Carbon dioxide in the atmosphere absorbs infrared light, but is clear to visible light.

Numerous health impacts from CO2 exposure might be experienced. Headaches, vertigo, restlessness, a sensation of tingling or pins and needles, trouble breathing, and perspiration are a few examples.

Alka-Seltzer's tablets release carbon dioxide when they dissolve in water. Despite having mass, this carbon dioxide gas diffuses into the atmosphere since it is a gas and escapes from its container.

Thus,The carbon dioxide enters the water, dissolves, and then emerges as a gas.

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