Choose the answer that shows the states of matter particle motion in
order from most to least. *
1 point
Osolid, liquid, gas
Ogas, solid, liquid
O liquid, gas, solid
O gas, liquid, solid
WELLLPL

Answer:

Mercury

Explanation:

mercury, and it's the only metal that normally exists on Earth as a liquid.

water at the surface of the ocean can become water vapor and move into the atmosphere with little added energy from the sun through the process called evaporation. The water droplets that form are what we call clouds

Answer:

Over 96% of total global water is in the ocean, so let's start there. Energy from the sun causes water on the surface to evaporate into water vapor – a gas. This invisible vapor rises into the atmosphere, where the air is colder, and condenses into clouds.

Explanation:

Answer:

The densest ocean water is formed in two primary locations near the poles, where the water is very cold and highly saline as a result of ice formation. The densest deep water mass is formed in the Weddell Sea of Antarctica, and becomes the Antarctic Bottom Water (AABW).

Explanation:

The densest ocean water is formed in two primary locations near the poles, where the water is very cold and highly saline as a result of ice formation. The densest deep water mass is formed in the Weddell Sea of Antarctica, and becomes the Antarctic Bottom Water (AABW).

Density is an intensive property as it does not depend on the quantity of the substances Whereas mass and volume are extensive property. Therefore, north Atlantic Ocean is the region of Atlantic Oceans where dense waters will likely sink.

Density tells about the compactness of the substances, how much dense is the substances in other words. Object that is more denser than water they just sink in the water.

Mathematically,

Density = Mass of the metal ball ÷volume marked on the graduated cylinder

North Atlantic Ocean is the region of Atlantic Oceans where dense waters will likely sink. Here, water is very cold and salty which makes the water denser.

Therefore, north Atlantic Ocean is the region of Atlantic Oceans where dense waters will likely sink.

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Answer:

\(c. \: 100\)

Explanation:

cent means “one hundredth”.

the meter is the base unit.

cent is a hundredth.

so there are 100 centimeters in a meter.

Answer: the answer is c which is 100 .

Explanation: as cent means one hundredth . This tells us that there is 100 centimeters in a meter . To convert 100 cm to meters, we multiply 100 with 0.01, which gives us a result of 1 m. Let's convert 100 cm to meters. Thus, 1 cm = 1/100 m or 0.01 m. Hence, to get the value of 100 cm in terms of 'meter', we multiply it with 0.01. HOPE IT HELPS .PLEASE GIVE BRAINLIEST .THANKS .

de Broglie's wave equation describes that particles have wave properties. The equation is  

   λ = h/mv

Where λ  is the wave length of the particle (m), h is the Planck's constant (6.62607 x 10⁻³⁴J s), m is the mass of a particle (kg) and v is the velocity (m/s).

λ = ?

h =  6.62607 x 10⁻³⁴ J s

m =200 g = 0.2 kg

v = 20 m/s

By substitution,

   λ  = 6.62607 x 10⁻³⁴ J s / (0.2 kg x 20 m/s)

   λ  = 1.66 x 10⁻³⁴ m

Hence, the wavelength of the 200 g ball 1.66 x 10⁻³⁴ m.

A defined medium supports microbial growth and is composed of exact quantities of pure chemicals; generally used for specific experiments when nutrients must be precisely controlled.

A substance that supports microbial growth and is composed of exact quantities of pure chemicals is known as a defined medium.

Defined media are generally used for specific experiments when nutrients must be precisely controlled, as they allow for the accurate measurement and manipulation of the nutrients available to the microorganisms.

This is in contrast to complex media, which are composed of undefined quantities of natural substances and are typically used for the general cultivation of microorganisms.

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The molar mass of the unknown compound is 35.38 g/mol.

PV = nRT

First, we need to convert the volume from mL to L:

291 mL = 0.291 L

Next, we can solve for the number of moles of the unknown compound:

n = PV/RT = (2.93 atm)(0.291 L)/(0.08206 L atm/mol K)(298 K) = 0.0145 mol

molar mass = mass/number of moles = 0.513 g/0.0145 mol = 35.38 g/mol

Molar mass is a fundamental concept in chemistry that refers to the mass of one mole of a substance. It is usually expressed in units of grams per mole (g/mol). A mole is a unit of measurement used to express the number of atoms or molecules in a substance. One mole of any substance contains Avogadro's number of particles, which is approximately 6.022 x \(10^{23\).

Molar mass is important in chemical calculations, as it allows chemists to convert between mass and moles of a substance. This is useful in determining the amount of reactants needed in a chemical reaction, or the amount of product produced. Additionally, molar mass is used in the calculation of various other important properties of a substance, such as density, specific heat, and concentration.

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Answer: B. The Pauli exclusion principle.

Explanation: Founders Educere answer ;)

Answer:

See below

Explanation:

Volume would decrease to temp of approx 4 C  then it would slightly increase to the 1 degree C  point but it would still be a smaller volume than at 18 C .    

  ( this assumes a freezing point of   - 1.11 C for Coke )

The order of alkanes according to their increasing density can be seen below:

This is referred to a hydrocarbon with a single carbon to carbon bond and examples include butane etc.

Its density increases with increasing number of carbon and hydrogen atoms thereby making it the most appropriate choice.

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Answer:

Shifts to the left

Explanation:

Usually when adding HCl to a system it reduces stress causing the equilibrium to go to the left

WHAT- WHAT GRADE R YOU IN 0,0

Answer:

The reaction takes place is

 2 (C2H6) + 7 (O2) → 4(CO2) + 6(H2O) 

According to the equation,

60g ethane requires 7x32= 224g oxygen

here ethane is in excess.oxygen will be consumed completely.

hence

2.9 g O2 will consume 60×2.9/224=0.776g of C2H6

now,

2 moles of C2H6 produces 4 moles of CO2!

60g ethane produces 4x44 g CO2

hence amount of CO2 produced =4×44×0.776/60=2.27g

The semisolid dosage form that is of stiff consistency and contains a large proportion of solids finely dispersed in a fatty vehicle is a cream.

Semisolid dosage forms are a class of preparations that consist of a small amount of aqueous and/or oleaginous liquid and a larger quantity of solid materials. The solid phase of these preparations contains a variety of substances, including petrolatum, paraffin, stearic acid, cetyl alcohol, and others.

These dosage forms include ointments, creams, gels, pastes, and suppositories, all of which are designed to be applied to the skin or mucous membranes to achieve a local or systemic effect.

The cream is a semisolid dosage form that is of stiff consistency and contains a large proportion of solids finely dispersed in a fatty vehicle. Creams are often used for topical application to the skin, and they may be used to treat a variety of skin conditions, including dry skin, psoriasis, and eczema.

Creams have a lower viscosity than ointments and are therefore easier to apply to the skin. They also contain more water than ointments, which allows them to be absorbed into the skin more quickly.

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According to the statement the theoretical COD for a 100 mg/L solution of methanol is 100 mg/L of oxygen.

The theoretical COD (Chemical Oxygen Demand) for a 100 mg/L solution of methanol (CH3OH) can be estimated using stoichiometry. The COD represents the amount of oxygen required to fully oxidize a substance in an aqueous solution.
Methanol's molecular formula is CH3OH, and its molecular weight is 12 (C) + 3(1) (H) + 16 (O) + 1 (H) = 32 g/mol. The complete oxidation of methanol can be represented by the following equation:
CH3OH + O2 → CO2 + 2H2O
From the balanced equation, 1 mole of methanol requires 1 mole of oxygen for complete oxidation. Now, let's convert the concentration of methanol to moles:
100 mg/L ÷ 32 g/mol = 0.003125 mol/L
Since the molar ratio of methanol to oxygen is 1:1, we also require 0.003125 mol/L of oxygen for complete oxidation. Oxygen's molecular weight is 32 g/mol (16 x 2), so:
0.003125 mol/L x 32 g/mol = 0.1 g/L or 100 mg/L
Thus, the theoretical COD for a 100 mg/L solution of methanol is 100 mg/L of oxygen.

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Hydrogen could be used as a fuel source in the future because it is abundant and can be used as fuel and is using fuel-cell . Hence Option D. all of the above is correct.

The answer to your question is d. all of the above. Hydrogen is abundant in the universe and can be used as a fuel source. It can also be used in fuel cells to generate electricity, making it a versatile and potentially sustainable energy source for the future.
Hydrogen could be used as a fuel source in the future because of all the reasons mentioned (d. all of the above). It is abundant, can be used as fuel, and is used in fuel-cell technology.

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Answer:

the answer key is

for atomic but you find it from the periodic table

porotons = atomic number

neutrons = atomic mass - protons number

electrons number = proton number

hope this will help you ❤️

Before entering metabolic pathways, amino acids first face a process called deamination.

Deamination is the removal of an amino group (NH₂) from an amino acid, resulting in the formation of ammonia (NH₃) and a keto acid. This process typically occurs in the liver. The resulting ammonia can then be further processed into urea through the urea cycle and eventually eliminated from the body.

Deamination allows the carbon skeleton of the amino acid to be used for various metabolic purposes, such as energy production or the synthesis of other compounds. The keto acid generated through deamination can enter different metabolic pathways based on its specific structure and the needs of the organism.

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The end products of photosynthesis are oxygen and carbohydrate.

The overall balanced eqation for photosynthesis reaction:

6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

CO₂ is carbon dioxide or carbon(IV) oxide

H₂O is water molecule

C₆H₁₂O₆ is carbohydrate

O₂ is oxygen molecule

Light energy is transformed into a chemical energy, that is stored in a carbohydrate molecules (glucose), which are synthesized from carbon dioxide and water.

Plants (not animals) convert a solar energy into the chemical energy of sugars (food).

The pigment chlorophyll absorbs one photon and loses one electron (it passed throw an electron transport chain) in the light-dependent reactions.

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The burning of fossil fuels, changing land use, and the production of concrete with limestone. As a result, the atmospheric concentration of carbon dioxide is fast.

Increasing and is already higher than it has ever been in the last 3.6 million years. Ocean acidification is brought on by the combustion of fossil fuels, which quickly releases carbon dioxide (CO2), a greenhouse gas, into the atmosphere. agricultural practises that contribute to the atmosphere's increase in greenhouse gases like methane (CH4) and carbon dioxide The use of fossil fuels has the greatest influence on humans in terms of the amount of carbon that is produced by human limestone activity.

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Number bond and Relationship A number bond is a mathematical tool that is used to show the relationships between a given number and the parts that combine to form it.

In this case, we can use a number bond to show the relationship between 2/6, 3/6, and 5/6. In a fraction like 2/6, the numerator shows the number of parts we are considering while the denominator shows the total number of parts. For example, if we consider a pizza that is cut into six equal parts, the fraction 2/6 shows that we are considering two of those parts.Using this concept, we can construct a number bond to show the relationships between 2/6, 3/6, and 5/6 as follows: 3/6 is the sum of 2/6 and 1/6, while 5/6 is the sum of 3/6 and 2/6. Alternatively, 2/6 is the difference between 3/6 and 1/6, while 3/6 is the difference between 5/6 and 2/6.Fractions to Write Addition and Subtraction SentencesAddition sentences:2/6 + 1/6 = 3/6, meaning that two parts added to one part equals three parts.3/6 + 2/6 = 5/6, meaning that three parts added to two parts equals five parts.Subtraction sentences:3/6 - 1/6 = 2/6, meaning that if we remove one part from three parts, we are left with two parts.5/6 - 2/6 = 3/6, meaning that if we remove two parts from five parts, we are left with three parts. Therefore, the two addition sentences are 2/6 + 1/6 = 3/6 and 3/6 + 2/6 = 5/6, while the two subtraction sentences are 3/6 - 1/6 = 2/6 and 5/6 - 2/6 = 3/6. In summary, a number bond is used to show the relationships between fractions, while addition and subtraction sentences can be constructed using fractions to show how they are related.

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The most likely sample to be a covalent compound is Sample A.

Covalent compounds are typically formed by the sharing of electrons between atoms, resulting in strong bonds that hold the compound together. Sample A, described as a hard crystalline solid that does not break easily, suggests a strong bonding between its constituent atoms. This characteristic is consistent with the nature of covalent compounds, where the shared electrons create a stable network of bonds, resulting in solid materials with high strength and hardness.

Covalent compounds often have high melting points and are generally insoluble in water. Sample A's hardness and resistance to breaking further support the idea that it is a covalent compound, as these properties are commonly associated with substances held together by strong covalent bonds.

While the other samples may possess certain characteristics associated with covalent compounds, such as solubility in water (Sample B), evaporation at room temperature (Sample C), or conductivity (Sample D), they do not exhibit the same level of hardness and resistance to breaking as Sample A, making Sample A the most likely candidate for a covalent compound.

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Of the two molecules, HCo(CO)₃ is likely to oxidatively add H₂ faster.

This is because HCo(CO)₃ is a transition metal complex that can easily undergo oxidative addition reactions due to the presence of a metal center with empty d-orbitals. In contrast, Zr(CH₂CMe₃)₄ is a zirconium complex with a filled d-orbital, making it less likely to undergo oxidative addition reactions.

Additionally, the presence of the bulky CH₂CMe₃ ligands on the zirconium center may further hinder the oxidative addition process. Overall, HCo(CO)₃ is a more favorable candidate for oxidative addition of H₂ due to its transition metal center and lack of sterically hindered ligands.

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In the experiment, you will combine different volumes of NaOH and an unknown acid and measure the temperature for each combination. The ratios of volumes that give the highest temperature change on the graph will be equal to the stoichiometric ratio or the equivalence point of the reaction.

The equivalence point is the point at which the moles of NaOH and the moles of the unknown acid are perfectly balanced, resulting in the greatest temperature change due to the complete neutralization of the acid and base. To find this ratio, follow these steps:

1. Record the initial temperature of the NaOH and unknown acid solutions separately.
2. Combine different volumes of NaOH and the unknown acid in a series of trials, making sure to note the specific volumes used for each trial.
3. Measure the final temperature of the solution after each combination, and calculate the temperature change by subtracting the initial temperatures from the final temperature.
4. Plot the temperature changes on a graph with the x-axis representing the volume ratio of NaOH to the unknown acid, and the y-axis representing the temperature change.
5. Observe the graph and identify the point with the highest temperature change, which corresponds to the stoichiometric ratio or equivalence point of the reaction.

The ratio at this highest point is the correct proportion of NaOH to the unknown acid required for complete neutralization.

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Answer:

Granite

Explanation:

Answer:

Granite

Explanation:

Igneous forms when rock is cooled and hardens by Magma.

And the option granite, which forms as magma cools deep underground

Hope it helps have a Good Day

The oxides of Cr(VI) and Mn(VII) are commonly used as oxidizing agents in organic synthesis.

An oxidizing agent is a substance that gains or accepts or receives" an electron from a reducing agent in a redox chemical reaction.

In other words, an oxidizer is any substance that oxidizes another substance.

Fluorine (F) is the most powerful oxidizing agent of all elements, and the other Halogens are also effective oxidizers.

Thus, in organic synthesis, the oxides of Cr(VI) and Mn(VII) are commonly used as oxidizing agents.

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Answer: The vapor pressure of pure water at 100°C is 760mm of Hg.

Explanation: We know tat 100 degree Celsius the water will convert into gas phase.  At boiling point the vapor pressure of any liquid is 1 atmosphere and if we boil the water at 100° Celsius  it means 1 atmosphere . So, 1 atmosphere = 760mm of Hg.

Answer:

Below:

Explanation:

To calculate an energy change for a reaction: add together the bond energies for all the bonds in the reactants - this is the 'energy in' add together the bond energies for all the bonds in the products - this is the 'energy out.

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It's Muska

Answer: The mass number tells the number of protons.

Explanation:

Answer:

igneous, sedimentary, and metamorphic

Explanation:

Answer:

IGNEOUS ROCKS form when molten rock (magma or lava) cools and solidifies. SEDIMENTARY ROCKS originate when particles settle out of water or air, or by precipitation of minerals from water.

And METAMORPHIC (I dont have nothing for this won)

Explanation: