chemical signals that have been processed and integrated are sent to this part of the neuron called

Answer:

a) Equilibrium shifts in forward direction.

Explanation:

If pressure is increased, equilibrium shifts to the side with the fewer moles of gas.

There are 4 moles of gas in the reactants and 2 moles of gas in the products.

The equilibrium will shift in the forward direction towards the products.

Hope that helps.

Answer:

A

Explanation:

The number of moles in 15.0 g of Aluminum having an atomic mass of       27 g/mol is 0.556 mol.

Now,

we know that,

number of moles = given mass/molar mass

And, the molar mass of Aluminum is 27 units.

so,

number of moles = 15.0 / 27

                            = 0.556

hence , 0.556 moles are in 15.0 g of Aluminum.

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When mentos and diet coke are mixed, the diet soda explodes

Explanation:

Due to the fact that the mentos are dense, they sink to the bottom of the bottle which gives the diet coke its explosion.

Answers & Explanations:

What happens when Mentos and Diet Coke are mixed?

Mentos sinks rapidly through the liquid, causing a fast, large eruption.

What causes Mentos and Diet Coke to react that way?

The addition of the Mentos leads to the rapid nucleation of carbon dioxide gas bubbles in the Diet Coke, causing them to precipitate out of the solution.

Is the reaction Chemical or Physical?

The eruption is caused by a physical reaction.

How could we prove one way or the other?

We can prove it by using the equation:

\(CO_{2} (aq) = Co_{2}(g)\)

Answer

so AI has 13 atoms

S has 16 atoms

Na has 11 atoms

P has has 15 atoms

so the one with the most is S

S is sulfur

sulfur has many uses when it is processed along with some some biological uses.

Explanation:

Explanation:

Molality of a solution is the number of moles of solute dissolved in 1 Kg of the solvent. Thus, if one gram molecule of a solute is present in 1 kg of the solvent.

hope this helps you

have a great day :)

Answer:

D.

Explanation:

The electron cloud has negligible mass. Most mass come from the nucleus.

Answer:

114

Explanation:

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To solve for number one we must follow these steps:

m = 703.55 g − 345.8 g

m = 357.75 g

Then we solve for the density-

d = 357.75 g / 225 mL

d = 1.59 g/mL

Answer for number 5) 1.59 g/mL

Density= Mass/Volume

therefor- Mass = 65.14g and Volume = 35.4mL

Density = 65.14g/35.4 mL = 1.84 g/mL

Answer for number 6) 1.84 g/mL

Question 7-

g = (0.8765 g/mL)(250.0 mL) = 219.1 g

Answer: 219.1 g

Question 8-

Density = mass/volume

Mass = 1587g

4.5cm x 5.2cm x 6cm = 140.4 cubic-cm

Volume = 140.4 cubic-cm

Mass/volume = 1587/140.4 = 11.3 g/cm^3

Answer: 11.3 g/cm^3

Question 9:

First calculate the volume of iron

49.10mL − 45.50mL = 3.60mL

Density = mass/volume;

density = 28.5g/3.60 mL= 7.92 g/mL

Answer: 7.92 g/mL

Question 10:

Volume = 2500.0g / 10.5g/cm3 = 238.095cm^3

Now we round up the answer to 238cm^3

Answer: 238cm^3

I hope this helped!

The volume of 0.900% w/v saline solution that can be prepared from 0.300 L of a 3.00% w/v saline solution available in stock is 1.00 L.

To prepare a 0.900% w/v saline solution from a 3.00% w/v stock solution, we need to use the dilution formula:

C₁V₁ = C₂V₂

where C₁ is the concentration of the stock solution, V₁ is the volume of the stock solution, C₂ is the concentration of the diluted solution, and V₂ is the volume of the diluted solution.

Plugging in the given values, we get:

(3.00%)(0.300 L) = (0.900%)(V₂)

Solving for V₂, we get:

V₂ = (3.00%)(0.300 L) / (0.900%)

V₂ = 1.00 L

Therefore, the volume of the 0.900% w/v saline solution that can be prepared from the 0.300 L of the 3.00% w/v stock solution is 1.00 L.

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Answer:

1.conical flask

2.beaker

3 graduated cylinder

4.receiver

5.distillation flask

Explanation:

the name of material is this!

Answer:

The Inner Core

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........

The dating technique described in your question, which involves counting the frequency of fission tracks in a sample and comparing it to the known rate of fission, is called fission track dating.

This method relies on the decay of uranium-238, which has a half-life of 8.2 x 10¹⁵ years.

When uranium-238 undergoes fission, the resulting fragments are violently repelled from each other, leaving behind track-like scars in materials such as crystalline substances and obsidian.

By measuring the number of fission tracks in a sample and knowing the rate of fission, archaeologists can estimate the age of the sample.

Fission track dating has been used to determine the ages of various geological and archaeological materials.

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Answer:A complex biological structure with many interacting parts might appear, at first glance, as if it were originally created in its present form with all its interlocking components fully formed and intact. It doesn’t seem possible that they developed step by step via biological evolution. In Darwin’s Black Box, Michael Behe introduces a term that he and other proponents of Intelligent Design use for this concept: irreducible complexity. No part of an irreducibly complex system has any apparent function except in its relation to the other parts.

A brownfield is a property, the expansion, redevelopment, or reuse of which may be complicated by the presence or potential presence of a hazardous substance, pollutant, or contaminant.

A “brownfield” generally refers to a parcel of land that was previously used for industrial purposes and which is contaminated by low concentrations of hazardous chemicals.

A brownfield development requires more work and investment upfront: existing structures may have to be demolished, materials must be removed, and developers may have to engage in extensive environmental cleanup to remove pollutants.

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Answer:

Greater than or less than

The ideal gas law, which relates the pressure, volume, temperature, and number of moles of an ideal gas, can be applied to real-world situations. By considering a specific scenario and applying the ideal gas law, we can analyze the behavior of gases and make predictions about their properties.

Let's consider a situation where a scuba diver is exploring underwater at a depth of 30 meters. We can apply the ideal gas law, specifically the form known as Boyle's law, which states that the pressure and volume of a gas are inversely proportional at constant temperature.

Question: How does the pressure of the gas in the scuba tank change as the diver descends to a depth of 30 meters, assuming the temperature remains constant?

To answer this question, we can use the ideal gas law equation PV = nRT, where P is the pressure, V is the volume, n is the number of moles of gas, R is the ideal gas constant, and T is the temperature. By keeping the temperature constant, we can observe the relationship between pressure and volume as the diver descends and calculate the change in pressure based on the change in volume.

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1. The new volume would be approximately 0.082 L. for 2, The new pressure would be approximately 135.7 kPa. for 3, The new temperature would be approximately 223.3 K. for 4, The new temperature would be approximately 377.3 K. for 5, The new volume would be approximately 0.07 L.

1, Given: P₁ = 202 kPa, V₁ (volume)= 100 mL = 0.1 L, T₁ (temperature )= 25°C = 298 K ,P₂ = 250 kPa ,T₂ = 35°C = 308 K

Using the combined gas law formula, one can rearrange it to solve for V₂: V₂ = (P₁V₁T₂) / (P₂T₁)

V₂ = (202 kPa × 0.1 L × 308 K) / (250 kPa × 298 K)

V₂ ≈ 0.082 L

The new volume would be approximately 0.082 L.

2, Given: V₁ = 150 mL = 0.15 L ,T₁ = 100°C = 373 K ,P₁ = 303.9 kPa, T₂ = 50°C = 323 K ,V₂ = 225 mL = 0.225 L

Again, using the combined gas law formula and solving for P₂: P₂ = (P₁V₁T₂) / (V₂T₁)

P₂ = (303.9 kPa × 0.15 L × 323 K) / (0.225 L × 373 K)

P₂ ≈ 135.7 kPa

The new pressure would be approximately 135.7 kPa.

3, Given: V₁ = 500 mL = 0.5 L, T₁ = 0°C = 273 K (STP) ,P₁ = 101.3 kPa (STP) ,V₂ = 0.5 * V₁ = 0.25 L, P₂ = 2 * P₁ = 2 * 101.3 kPa = 202.6 kPa

To determine the new temperature, we rearrange the formula to solve for T₂:

T₂ = (P₂V₂T₁) / (P₁V₁)

T₂ = (202.6 kPa× 0.25 L ×273 K) / (101.3 kPa ×0.5 L)

T₂ ≈ 223.3 K

The new temperature would be approximately 223.3 K.

4, Given: V₁ = 150 mL = 0.15 L, P₁ = 50 kPa ,T₁ = 10°C = 283 K, P₂ = 200 kPa ,V₂ = 200 mL = 0.2 L

Solving for T₂:

T₂ = (P₂V₂T₁) / (P₁V₁)

T₂ = (200 kPa × 0.2 L × 283 K) / (50 kPa ×0.15 L)

T₂ ≈ 377.3 K

The new temperature would be approximately 377.3 K.

5, Given: V₁ = 150 mL = 0.15 L ,T₁ = 100°C = 373 K, P₁ = 500 kPa ,T₂ = 0°C = 273 K (STP) ,P₂ = 101.3 kPa (STP)

To determine the new volume, we rearrange the formula to solve for V₂:

V₂ = (P₁V₁T₂) / (P₂T₁)

V₂ = (500 kPa × 0.15 L × 273 K) / (101.3 kPa × 373 K)

V₂ ≈ 0.07 L

The new volume would be approximately 0.07 L.

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Answer:

X = U (Uranium)

Explanation:

Pu-->235/92 U + 4/2 He

The element X which is involved in the given nuclear reaction is ²³⁵₉₂U.

Radio active decay is a process in which an unstable nuclei will emit some particles from the nuclei in the form of energy to get stability.

In the given chemical reaction, parent nuclei (²³⁹₉₄Pu) will emit the alpha particle (⁴₂He) which has a atomic number 2 and atomic mass of 4 as a result of which we get a daughter nuclei Uranium which will get the atomic number 92 and atomic mass of 235.

²³⁹₉₄Pu → ⁴₂He + ²³⁵₉₂U

Hence the element X is uranium (²³⁵₉₂U).

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Answer:

Photon

Explanation:

The simplest description of a photon is to consider it as a bundle of electromagnetic energy.

In the context of wave - particle duality, light is considered sometimes as a particle. Each bundle of the particles of light wave is called a photon of light.

The wavelength of a photon of light emitted by an element can be used as a tool to identify that particular element.

The isotope symbol that fits each description is as follows: 68 neutrons, 47 electrons is Ag b. mass number = 197, 79 electrons is Au c. atomic number = 86, 136 neutrons is Rn d. atomic number = 76, mass number = 192 is Os.

Isotopes are two or more atom types that share the same atomic number (number of protons in their nuclei), location in the periodic table, and chemical element but have distinct nucleon numbers (mass numbers) as a result of having a different number of neutrons in their nuclei. Although the chemical properties of each isotope of a given element are nearly identical, they differ in their atomic weights and physical characteristics.

The name "isotope" refers to the fact that different isotopes of the same element occupy the same location on the periodic table. The word "isotope" is derived from Greek origins that mean "the same place".

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: PM2.5 is defined as the mass concentration of particles in the air less than or equal to 2.5 micrometers in diameter.Question 15: False, carbon dioxide (CO2) is not considered a criteria air pollutant.

Question 16: The closest answer is 50%, but the exact percentage is not provided in the question.Question 17: The term "photochemical smog" is most synonymous with ozone (O3), which is a criteria air pollutant.Question 18: True, attainment of ambient air quality standards requires that measured concentrations at all monitoring stations within an air district are below ambient air standards.

Question 14 asks about the definition of PM2.5. PM2.5 refers to particulate matter with a diameter less than or equal to 2.5 micrometers. It represents the mass concentration of particles suspended in the air, which are small enough to be inhaled into the respiratory system and can have adverse health effects.

Question 15 states whether carbon dioxide (CO2) is a criteria air pollutant. Criteria air pollutants are a set of pollutants regulated by environmental agencies due to their detrimental impact on air quality and human health. However, carbon dioxide is not considered a criteria air pollutant because it does not directly cause harm to human health or the environment in the same way as pollutants like ozone or particulate matter.

Question 16 asks about the percentage of carbon monoxide (CO) emissions from mobile sources in Santa Clara County. While the exact percentage is not provided in the question, the closest answer option is 50%. However, it is important to note that the precise percentage may vary depending on specific local conditions and emissions sources.

Question 17 inquires about the criteria air pollutant most synonymous with the term "photochemical smog." Photochemical smog is primarily associated with high levels of ground-level ozone (O3). Ozone is formed when nitrogen oxides (NOx) and volatile organic compounds (VOCs) react in the presence of sunlight, creating a hazy and polluted atmospheric condition.

Question 18 addresses the concept of "attainment" of ambient air quality standards. To achieve attainment, measured concentrations of pollutants at all monitoring stations within an air district must be below the established ambient air quality standards. This ensures that the air quality in the given area meets the required standards for protecting human health and the environment.

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Answer:

This is a artesian well they are able to bring up water with out requiring a pump. This happens when there is enough pressure in the aquifer to push the water up to the surface.

Explanation:

Taking into account the scientific notation, the result of the sum is 6.6365×10⁵.

First, remember that scientific notation is a quick way to represent a number using powers of base ten.

The numbers are written as a product:

a×10ⁿ

where:

You want to add two numbers in scientific notation. It should be noted that when the numbers to be added do not have the same base 10 exponent, the base 10 power with the highest exponent must be found.

In this case, the highest exponent is 5.

Then all the values ​​are expressed as a function of the base 10 exponent with the highest exponent. In this case: 8.6500×10³= 0.086500×10⁵

Taking the quantities to the same exponent, all you have to do is add what was previously called the number "a". In this case:

0.086500×10⁵ + 6.5500×10⁵= (0.086500+ 6.5500)×10⁵=  6.6365×10⁵

Finally, the result of the sum is 6.6365×10⁵.

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Answer:

b. combustion reaction

c. displacement reaction

e. Decomposition reaction

f. redox reactions

g. combination reaction

I'm not fully sure about part c but the rest are correct

I hope it helped

Answer:

1.Phenolphthalein

2.Method

a.Use the pipette and pipette filler to add 25 cm 3 of alkali to a clean conical flask.

b.Add a few drops of indicator and put the conical flask on a white tile.

c.Fill the burette with acid and note the starting volume.

d.Slowly add the acid from the burette to the alkali in the conical flask, swirling to mix.

Explanation:

Answer:

runoff is he draining away of water (or substances carried in it) from the surface of an area of land, a building or structure, etc.

Explanation:

To quickly find the number of resonating structures of O3 and SO4-2, you can use the formula:

Number of resonating structures = 2^(number of equivalent resonance structures)

For O3, each oxygen atom is equivalent and there are two possible equivalent resonance structures:

O = O - O and O - O = O

Therefore, the number of resonating structures for O3 is:

2^(2) = 4

For SO4-2, there are two equivalent resonance structures for the sulfur-oxygen bonds and four equivalent resonance structures for the sulfate ion as a whole:

S = O and S - O(-)

O(-) - S - O and O = S = O(-)

Therefore, the number of resonating structures for SO4-2 is:

2^(2) x 2^(4) = 16

So the number of resonating structures for O3 is 4, and the number of resonating structures for SO4-2 is 16.

In the diagram, we see a distillation process. This is a separation process that takes advantage of differences in the boiling point of a mixture of liquids, so the more volatile liquid will evaporate and be recovered as distillate.

1) The first error seen is that the liquid solution mixture is not heated. In order to separate the liquids, we must heat the mixture by adding heat, and this heat is represented in the diagram with a flame.

2) The second mistake is the position of the thermometer, the thermometer must not be in contact with the liquid, it must be at the height of the bulb so that it is in contact with the vapor.

3) The third error is the exit of the coolant water. The water exchanges heat with the steam, so the steam cools and condenses and the water absorbs the heat, and its temperature increases, so it does not come out cold.

In the following figure we can see the mistakes: