a graphic organizer that illustrates the reactants, products and locations for each of the major stages of cellular respiration: a) glycolysis b) pyruvate oxidation c) krebs cycle d) oxidative phosphorylation

The difference between oil and flour is oil forms a layer at the top of water, and flour settles at the bottom. The correct option is the third option - Oil forms a layer at the top of water, and flour settles at the bottom

Oil is a triglyceride which is insoluble in polar substances but is soluble in nonpolar solvents. That is, oil is insoluble in water.

Oil, when dissolved in water, forms a layer at the top of water. This is because oil is less dense than water.

Flour is insoluble in water. It settles at the bottom of the container.

Now, we will investigate the options one after the other

O Oil is a soluble substance, and flour is an insoluble substance.

Since oil is soluble in nonpolar solvents, this option is NOT correct.

O Flour is a soluble substance, and oil is an insoluble substance.

Since flour is insoluble in water, this option is NOT correct.

O Oil forms a layer at the top of water, and flour settles at the bottom.

Since oil forms a layer at the top of water and flour settles at the bottom of water, then this option is correct.

O Oil forms a layer at the bottom of water, and flour settles at the top.

Oil does not form a layer at the bottom of water and flour does not settle at the top of water. Therefore, this option is NOT correct.

Hence, the difference between oil and flour is oil forms a layer at the top of water, and flour settles at the bottom. The correct option is the third option - Oil forms a layer at the top of water, and flour settles at the bottom

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Answer:

Exxplanation:

Answer:

Although it is possible to have more than one state, it is also possible to have only one state.

Explanation:

If a certain piece of metal is cooled it will conduct current better is a hypothesis.

When a conductor is connected to a fluctuating magnetic flux, it induces closed loops of electric currents known as eddy currents. They create closed circuits in a plane perpendicular to the magnetic field and are subject to Faraday's law of electromagnetic induction. These currents will flow in a direction that opposes the shift required by the Lenz law.

Eddy currents are created when a conductor is traveling through a magnetic field or when the magnetic field around a conductor at rest changes over time. They arise from variations in the strength and direction of a conductor-linked magnetic field or magnetic flux.

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Answer:

For a given element, the number of postively charged, massive nuclear particles, the number of protons, is fixed. ... Because the number of protons determines Z , the atomic number, which determines the identity of the atom. The nucleus can also contains neutrons, massive, neutrally charged nuclear particles.

Explanation:

Answer:

This idea helps students explain why more rain forms over West Ferris than East Ferris. ... Therefore, when students explain that water vapor condenses higher in the atmosphere, they are actually explaining that water vapor condenses high in the troposphere, which is relatively low in the atmosphere.

Explanation:

Covalent and ionic bonds refer to atoms joined by their electrons. In covalent bonds, electrons are shared by the involved non-metal atoms. Option 2 is correct. Occurs due to the sharing of electrons between two non-metal atoms.

Both of them, covalent and ionic bonds, are chemical bonds that can form between atoms.

Ionic bonds occur between atoms with different electronegativity. When they bind, they transfer electrons from one atom to the other creating ions with opposite charges that attract each other.

Ionic compounds are formed by anions and cations.

• Cations are positive ions derivated from metals.

• Anions are negative ions derivated from non-metals.

The metal atoms share its electrons with the non-metal ones, creating stable configurations. Ionic bonds do not create molecules.

Covalent bonds are formed between atoms share electrons to be more stable. Atoms involved share electrons equally, creating a strong bond between them.

Covalent bonds are usually formed between non-metal atoms.

Option 2 is correct. Occurs due to the sharing of electrons between two non-metal atoms

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Complete question

A template of a Venn diagram representing common and differentiating characteristics of covalent and ionic bonds is shown.

Which of the following characteristics can be written only in space C?

On the diagram,

Options,

Answer:

The waters' temp increased

Explanation:

The temperature of the water in the swimming pool has increased due to the heat from the Sun. As a result, the particles in the water are moving faster and have a higher kinetic energy than in the morning.

Molecules' general shape, as well as bond lengths, bond angles, torsional angles, and any other geometrical factors that affect each atom's position, are revealed by their molecular geometry. The molecular geometry of AsCl₃ is trigonal pyramidal.

Molecule geometry is the study of the three-dimensional configuration of the atoms that make up a molecule. Because the shared pairs of electrons remain localized in a specific location between the nuclei of the involved atoms, covalent molecules have directed bonds.

The arsenic atom is surrounded by 4 regions of electron density which means that it has a steric number equal to 4. According to VSPER Theory, the molecular geometry will be trigonal pyramidal, AX₃E₁.

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The general gas equation, commonly referred to as the ideal gas law, represents the state of a fictitious ideal gas through an equation. The molar mass of ethylene gas when the pressure is 755.3 mmHg, the temperature is 25.0 °C and it weighs 36.2449 g is 28.29 g/mol.

According to the ideal gas law, the sum of the absolute temperature of the gas and the universal gas constant is equal to the product of the pressure and volume of one gram of an ideal gas.

The ideal gas equation is:

PV = nRT

n = PV / RT

755.3 mmHg = 0.99 atm

25.0 °C = 298 K

R = 0.082 atm·L·mol⁻¹·K⁻¹

Mass of water = 142.3415 - 36.1235 = 106.218 g

Density = Mass / Volume

V = m / d = 106.218 / 0.9970 = 106.53 mL = 0.106 L

n = 0.99 × 0.106 / 0.082 × 298  = 0.00429 mol

Mass of ethylene gas = 36.2449 - 36.1235 = 0.1214 g

Molar mass =  0.1214 / 0.00429 = 28.29 g/mol

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A chemical reaction that requires an input of energy in order to proceed is termed Endothermic, whereas one that releases energy is called Exothermic.

The endothermic process is a word used to describe a reaction in which the system takes up heat from its environment. Photosynthesis, evaporating liquids, melting ice, dry ice, alkane cracking, thermal decomposition, ammonium chloride in water, and many more processes are examples of endothermic processes. A reaction that is exothermic is the opposite of one that is endothermic. It emits energy onto its surroundings as heat or light. Examples include neutralization, burning a chemical, fuel reactions, dry ice deposition, respiration, sulphuric acid solution in water, and many more.

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Answer:

Depending on the actual amount of water, it's going to overfill.

Explanation:

If your watershed is already one that has a lot of water and is always filled, it's likely that your wetlands and rivers will start to overfill, causing a form of flooding.

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I hope this helps!

-No one

Answer:

If the density of the material is equal to the density of the material you have been working with it is possible that the samples are the samples

Explanation:

Density is an intensive property of the matter (Doesn't depends of its amount) that is widely used to identify a substance. Density is the ratio between the mass of the substance (In this case 25.62g) and the volume this amount occupies (21.9cm³). The density is:

25.62g / 21.9cm³ =

1.17g/cm³.

Answer:

When you heat ice, its temperature rises, but as soon as the ice starts to melt, the temperature stays constant until all the ice has melted. This happens because all the heat energy goes into breaking the bonds of the ice's crystal lattice structure.

Explanation:

Shards of ice fly from the sculptor’s chisel. As the crowd

looks on, a swan slowly emerges from a massive block of ice. As

the day wears on, however, drops of water begin to fall from the

sculpture. Drip by drip, the sculpture is transformed into a puddle of liquid water. What makes matter change from one state to

another? To answer this question, you need to think about the

particles that make up matter.

Energy Simply stated, energy is the ability to do work or cause

change. The energy of motion is called kinetic energy. Particles

within matter are in constant motion. The amount of motion of

these particles depends on the kinetic energy they possess. Particles

with more kinetic energy move faster and farther apart. Particles

with less energy move more slowly and stay closer together.

The total kinetic energy of all the particles in a sample of

matter is called thermal energy. Thermal energy, an extensive

property, depends on the number of particles in a substance as

well as the amount of energy each particle has. If either the

number of particles or the amount of energy in each particle

changes, the thermal energy of the sample changes. With identically sized samples, the warmer substance has the greater thermal energy. In Figure 7, the particles of hot water from the hot

spring have more thermal energy than the particles of snow on

the surrounding ground.

Answer: Shown below

Explanation:

CaCl2=calcium chloride

Mg(NO3)2=Magnesium nitrate

ZaCl2=Zinc Chloride

NH2Cl=Chloramine

AgNO2=Silver nitrate

NaCl= Sodium chloride

KI=Potassium iodide

PbSO4=Lead(II) Sulfate

n82CO3=Sodium carbonate

KNO3=Potassium nitrate

N82SO4=Sodium Sulfate.

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The name of the compounds and the involved ion are as follows;

Ionic compound is any of a large group of chemical compounds consisting of oppositely charged ions, wherein electron transfer, or ionic bonding, holds the atoms together.

Ionic compounds, when in an aqueous solution, dissociates into its respective ions. This question gives the chemical formula of certain compounds. For example, the sodium ions attract chloride ions and the chloride ion attracts sodium ions. The result is a three-dimensional structure of alternate Na⁺ and Cl⁻ ions.

The names of the chemical compound and the ionic elements that make them up are given in the main answer part.

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Answer:

400 kPa

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

Answer:

400 kPa

The answer is right since its from ck12

Answer: east

Explanation:

El Niño is a climate cycle in the Pacific Ocean with a global impact on weather patterns. The cycle begins when warm water in the western tropical Pacific Ocean shifts eastward along the equator toward the coast of South America. Normally, this warm water pools near Indonesia and the Philippines.

The system which helps in get rid of some kind of waste are excretory system, digestive system and respiratory system.

Waste materials are the substances which we will get after the absorption of all nutients and usefull things.

Hence all above given systems helps to get rid of some kind of waste.

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The best description of the relationship between population size, carrying capacity, and limiting factors is: "The size of a population usually stays near its carrying capacity due to limiting factors."

Carrying capacity refers to the maximum number of individuals that a particular environment can sustainably support. It represents the limit to which a population can grow given the available resources, such as food, water, and habitat. Limiting factors, on the other hand, are the factors that restrict population growth by reducing birth rates, increasing death rates, or limiting access to resources.As a population approaches its carrying capacity, limiting factors come into play and regulate the population size. These limiting factors can include competition for resources, predation, disease, availability of suitable habitat, and other environmental factors. They act as checks on population growth, preventing it from exceeding the carrying capacity of the ecosystem.

Therefore, the size of a population usually stays near its carrying capacity because the limiting factors ensure that the population does not exceed the available resources and ecological limits of the environment. If the population surpasses the carrying capacity, the limiting factors will intensify, causing a decline in resources and an increase in mortality rates, which ultimately brings the population back towards the carrying capacity.It's important to note that the relationship between population size, carrying capacity, and limiting factors is dynamic and can vary depending on various ecological and environmental factors.

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Answer:

Di ko po alam eyan ehh sorry po uWu

Explanation:

Sorry

The temperature of the gas in Kelvin, after its volume is reduced to 2,450 mL, is approximately 143.27 K.

To determine the temperature of the gas in Kelvin after its volume is reduced, we can use the combined gas law, which relates the initial and final conditions of pressure, volume, and temperature for a given amount of gas.

The combined gas law equation is:

(P₁ * V₁) / T₁ = (P₂ * V₂) / T₂

Where P₁ and P₂ are the initial and final pressures, V₁ and V₂ are the initial and final volumes, T₁ is the initial temperature in Kelvin, and T₂ is the final temperature in Kelvin.

Given that the initial volume V₁ is 3,480 mL, the initial temperature T₁ is -70.0 °C (which needs to be converted to Kelvin), and the final volume V₂ is 2,450 mL, we can substitute these values into the equation.

To convert -70.0 °C to Kelvin, we add 273.15 to it, resulting in T₁ = 203.15 K.

Now we can solve for T₂:

(T₂ * V₁) / T₁ = V₂

T₂ = (V₂ * T₁) / V₁ = (2,450 mL * 203.15 K) / 3,480 mL

Simplifying the equation, we find:

T₂ ≈ 143.27 K

Therefore, the temperature of the gas in Kelvin, after its volume is reduced to 2,450 mL, is approximately 143.27 K.

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In order to test for ammonia, a moist red litmus paper should be held over the test tube containing the ammonia.  Option 3.

Ammonia is a substance that is alkaline in nature. All alkaline substances are able to turn red litmus paper to blue. This is in opposition to acidic substances that turn blue litmus paper to red.

Thus, the first test that can be used to determine if a substance is ammonia would be to hold a moist red litmus paper over the test tube containing the suspected substance.

Since ammonia is gas at room temperature, the substance suspected to be ammonia will diffuse from the test tube to turn the moist red litmus paper to blue.

Other methods to test for ammonia include passing a test tube containing hydrochloric acid over the test tube containing the substance. A white fume of ammonium chloride will confirm the presence of ammonia.

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Molar concentration of Zn2+ions in a solution is 3.481 mol/lit

The electrode potential value is 59mV

Temperature=298k

What is electrode potential?

equation formed- Zn → Zn2+ + 2e

              from Nernst equation-

E=E cell - 0.059 log [Zn2+]

[zn2+]=3.481 mol/lit

hence, Molar concentration of Zn2+ions in a solution is 3.481 mol/lit

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Answer:

I'm not an expert at this, but I assume its mercury.

Answer:

27.99 g/mol.

Explanation:

First, let's calculate the mass of 2.00 moles of the gas using the density:

Mass = Volume x Density

Mass = 62.2 L x 0.900 g/L

Mass = 55.98 g

Next, let's calculate the volume of 2.00 moles of the gas at STP (standard temperature and pressure):

2.00 moles x (22.4 L/1 mole) = 44.8 L

Now we can use the ideal gas law to find the molar mass:

PV = nRT

where:

P = pressure = ? (not given)

V = volume = 44.8 L

n = moles = 2.00 mol

R = gas constant = 0.0821 L·atm/(mol·K)

T = temperature

Let's assume the pressure is also at STP (1 atm), so we can use that value for P:

(1 atm)(44.8 L) = (2.00 mol)(0.0821 L·atm/(mol·K))(273 K)

Solving for T:

T = (1 atm)(44.8 L) / (2.00 mol)(0.0821 L·atm/(mol·K))

T = 544 K

Now we can use the ideal gas law again to solve for the molar mass:

PV = nRT

where:

P = pressure = 1 atm

V = volume = 62.2 L

n = moles = 2.00 mol

R = gas constant = 0.0821 L·atm/(mol·K)

T = temperature = 544 K

Solving for the pressure:

P = (nRT) / V

P = (2.00 mol)(0.0821 L·atm/(mol·K))(544 K) / 62.2 L

P = 8.87 atm

Now we can use the density to find the molar mass:

density = mass / volume

0.900 g/L = 55.98 g / 62.2 L

Solving for the volume of 1 mole of the gas:

0.900 g/L = 55.98 g / V

V = 62.2 L / 0.900 mol/L

V = 69.1 L/mol

Finally, we can calculate the molar mass:

molar mass = mass / moles

molar mass = 55.98 g / 2.00 mol

molar mass = 27.99 g/mol

Therefore, the molar mass of the gas is 27.99 g/mol.

The pressure of the gas at the new volume and temperature is the unknown.

Using the general gas law:

P1V1/T1 = P2V2/T2

Where

Thus, the unknown is the final pressure, which is P2.

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From the solution that we have in the question;

The equilibrium constant, denoted as K, is a value that quantitatively represents the ratio of the concentrations of products to reactants at equilibrium in a chemical reaction.

It is a fundamental concept in chemical equilibrium.

The value of the equilibrium constant provides valuable information about the position of equilibrium and the relative concentrations of species involved in a chemical reaction.

Kc = [X] [Y]/[XY]

\(0.25 = (0.1 + x)^2/(0.5 - x)\)

\(0.25(0.5 - x) = (0.1 + x)^2\)

\(0.125 - 0.25x =0.01 + 0.2x + x^2\\ x^2 + 0.45x - 0.115 = 0\)

x = 0.18 M

The equilibrium amount of X and Y=  0.28 M and the equilibrium concentration of XY = 0.32 M

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Based on the answer to the question that we have;

The ratio of the product to reactant concentrations in a chemical reaction at equilibrium is represented quantitatively by the equilibrium constant, abbreviated as K.

It is a cornerstone of the theory of chemical equilibrium.

A chemical reaction's equilibrium position and the relative concentrations of the species involved can both be learned from the equilibrium constant's value.

Kc = [X][Y]/[XY]

\(0.25 = (0.1 + x)^2/(0.5 - x)\\0.25(0.5 - x) = (0.1 +x)^2\\0.125 - 0.25x = 0.01 +0.2x +x^2\\= 0.18 M\)

The equilibrium concentration of;

XY =0.5 - 0.18

=0.32 M

Then the equilibrium amount of

X and Y is

0.1 + 0.18= 0.28 M.

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The medicine that has to be given by the nurse to prevent cerebral palsy in the new-born is magnesium sulphate.

The term "cerebral palsy" refers to a collection of conditions that impair mobility and posture development and are thought to be caused by non-progressive abnormalities. Insults that caused cerebral palsy are thought to have happened during foetal development or early childhood. A significant risk factor for cerebral palsy is preterm delivery, and that risk rises sharply as gestational age decreases. Right now, 25% of all new occurrences of cerebral palsy are caused by babies delivered before 34 weeks of pregnancy. Cerebral palsy risk is higher when there are several pregnancies. MgSO4 was infused continuously at a rate of 2 g/h for up to 12 hours after a 6 g loading dose. Given before delivery, magnesium sulphate is known to regulate the vasculature and minimize hypoxia effects by neutralising cytokine or excitatory amino acid damage, which may lower the risk.

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Answer: The empirical formula is \(FeS\)

Explanation:

Mass of Fe = 3.78 g

Mass of S = (5.95-3.78) g = 2.17 g

Step 1 : convert given masses into moles.

Moles of Fe =\(\frac{\text{ given mass of Fe}}{\text{ molar mass of Fe}}= \frac{3.78g}{56g/mole}=0.0675moles\)

Moles of S = \(\frac{\text{ given mass of S}}{\text{ molar mass of S}}= \frac{2.17g}{32g/mole}=0.0678moles\)

Step 2 : For the mole ratio, divide each value of moles by the smallest number of moles calculated.

For Fe = \(\frac{0.0675}{0.0675}=1\)

For S =\(\frac{0.0678}{0.0675}=1\)

The ratio of Fe : S= 1: 1

Hence the empirical formula is \(FeS\)