Which one is bigger proton or atom

Answer:

They are alla correct

Explanation:

Good morning, good afternoon, and good evening

(IF u understand this reference u are a god)

Answer

Hi!

1. Why does you mouth close when you say

"open" and opens when you say "close"?

2. When you come out of a shower clean

how does the towel get dirty?

Explanation:

Cause god is built different

The volume of the weather balloon at 75 cmHg is  (n₁ * R * T₂) / P₂ = (n₁ * 0.0821 L·atm/(mol·K) * 308.15 K) / 0.9868 atm.

The volume of the weather balloon at 75 cmHg when it is heated to 35 degrees Celsius, we can use the ideal gas law, which states that the product of pressure (P) and volume (V) of a gas is proportional to the product of the number of moles (n) and the temperature (T) in Kelvin.

PV = nRT

Where R is the ideal gas constant.

First, let's convert the initial volume from dm³ to liters:

Initial volume = 605 dm³ = 605 L

At STP (Standard Temperature and Pressure), the temperature is 273.15 K and the pressure is 1 atmosphere (atm).

Using the initial conditions:

P₁ = 1 atm

V₁ = 605 L

T₁ = 273.15 K

We can calculate the number of moles (n₁) of gas using the ideal gas law:

n₁ = (P₁ * V₁) / (R * T₁)

Now, we need to find the final volume (V₂) at 75 cmHg and 35 degrees Celsius.

Converting 75 cmHg to atmospheres:

P₂ = 75 cmHg * (1 atm / 76 cmHg) ≈ 0.9868 atm

so,

P2 = 75 cmHg / 76 cmHg/atm = 0.9868 atm.

Now we can substitute the values into the equation and calculate V2:

V2 = (1 atm / 0.9868 atm) * (T2 / 308.15 K) * (605 liters).

Please provide the new temperature (T2) in Celsius, and I will calculate the volume for you.\((n₁ * R * T₂) / P₂ = (n₁ * 0.0821 L·atm/(mol·K) * 308.15 K) / 0.9868 atm\)

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Answer:

A gamma ray has a frequency of 2.88 x 10^21 Hz. What does this mean? It is how fast the wavelength is moving and is the number of how many pass a certain in a second. How does light emitted from a neon sign differ from light from the sun? Neon light only emits certain colors while sunlight emits all colors.

Explanation:

A gamma ray has a frequency of 2.88 x 10^21 Hz. What does this mean? It is how fast the wavelength is moving and is the number of how many pass a certain in a second. How does light emitted from a neon sign differ from light from the sun?

Answer: subduction and sea floor spreading

Explanation:

He knew that the continents today were once joined together by fossil records of plants and animals that were found to be on continents far removed from each other. He knew this also by corresponding land forms that matches up as well. What he couldn’t prove is how the land masses would have moved so far away from each other. Subduction and sea floor spreading move the tectonic plates that the continents sit on. That’s what he was missing.

Answer:

Composition: All hydrocarbons are made up of only two types of atoms: carbon and hydrogen. They are like building blocks that contain carbon and hydrogen stuck together.

Organic Nature: Hydrocarbons are special because they are part of a group of compounds that come from living things or things that were once alive. They have carbon and hydrogen in them, which is what makes them different from other types of compounds.

Explanation:

The solid and the liquid coexist at the melting point, which is the point where the temperature remains constant during the phase transition.

In the given cooling curve, the melting point is at 50°C, indicated by the flat region on the curve between points C and D. At this point, the energy being released during cooling is used to overcome the energy required for the substance to transition from a liquid to a solid state.

Once all of the substance has solidified, the temperature begins to decrease again.

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Answer: all points on the curve between Q and S

Explanation: Where the graph looks like <-------->horizontal.

Answer:

Explanation:

a) The balanced equation for the double replacement reaction between lead (II) nitrate and potassium bromide is:

Pb(NO₃)₂(aq) + 2KBr(aq) → PbBr₂(s) + 2KNO₃(aq)

In this reaction, lead (II) bromide (PbBr₂) will precipitate, while potassium nitrate (KNO₃) will remain in solution.

b) To determine the amount of precipitate produced, we need to first determine the limiting reactant. We can do this by calculating the number of moles of each reactant and comparing it to the stoichiometry of the balanced equation.

The molar mass of lead (II) nitrate is 331.21 g/mol and the molar mass of potassium bromide is 119.00 g/mol.

The number of moles of lead (II) nitrate is 32.5 g / 331.21 g/mol = 0.0981 mol The number of moles of potassium bromide is 38.75 g / 119.00 g/mol = 0.3256 mol

According to the balanced equation, one mole of lead (II) nitrate reacts with two moles of potassium bromide to produce one mole of lead (II) bromide. This means that if all the lead (II) nitrate were to react, it would require 0.0981 mol * 2 = 0.1962 mol of potassium bromide.

Since we have more than enough potassium bromide (0.3256 mol > 0.1962 mol), lead (II) nitrate is the limiting reactant.

The number of moles of lead (II) bromide produced will be equal to the number of moles of lead (II) nitrate consumed, which is 0.0981 mol.

The molar mass of lead (II) bromide is 367.01 g/mol, so the mass of lead (II) bromide produced will be 0.0981 mol * 367.01 g/mol = 36.0 g.

c) To determine the amount of excess reactant remaining, we need to subtract the amount consumed from the initial amount.

The number of moles of potassium bromide consumed is half the number of moles of lead (II) nitrate consumed, which is 0.0981 mol / 2 = 0.04905 mol.

The mass of potassium bromide consumed is 0.04905 mol * 119.00 g/mol = 5.84 g.

The mass of potassium bromide remaining is 38.75 g - 5.84 g = 32.91 g.

Answer:It is called crystalline

Explanation:

Answer:

3. B.

4. A.

Explanation:

Sana makatulong

Hydrogen bond

explaination: Hydrogen bonding is present because hydrogen from Vitamin C is forcefully attracted to oxygen of carbon dioxide. Dispersion is another present intermolecular force because it occurs between any two adjacent molecules.

Answer:

A layer of soft hot rock

Explanation:

The Correct electron configuration of carbon as 1s² 2s² 2p². Option B.

To understand why this is the correct electron configuration, let's break it down step by step:

The atomic number of carbon is 6, which means it has six electrons. Electrons are distributed in energy levels or shells around the nucleus.

The first shell, known as the 1s orbital, can hold a maximum of 2 electrons. Therefore, the first part of the electron configuration is 1s², indicating that two electrons occupy the 1s orbital.

The second shell has two subshells: the 2s orbital and the 2p orbital. The 2s orbital can hold a maximum of 2 electrons, while the 2p orbital can hold a maximum of 6 electrons. In the case of carbon, after the 1s orbital, two more electrons occupy the 2s orbital. So far, we have 1s² 2s².

The remaining two electrons in carbon are placed in the 2p orbital. The 2p orbital consists of three separate p orbitals: 2px, 2py, and 2pz. Each p orbital can hold a maximum of 2 electrons. Therefore, the last part of the electron configuration for carbon is 2p², indicating that two electrons occupy the 2px and 2py orbitals. Option B is correct.

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When hydrogen bromide is added to 2-methylbut-2-ene, two products are expected to be produced: 2-bromo-2-methylbutane (major product) and 3-bromo-2-methylbutane (minor product).

The addition of HBr to 2-methylbut-2-ene follows the Markovnikov addition rule. This means that the hydrogen atom and the bromine atom will add to the carbon atoms in the double bond, such that the hydrogen atom adds to the carbon with the greater number of hydrogen atoms, and the bromine atom adds to the carbon with the lesser number of hydrogen atoms.

In this case, the hydrogen atom will attach to the second carbon atom, which has three hydrogen atoms, while the bromine atom will attach to the third carbon atom, which has only one hydrogen atom. This produces the major product, 2-bromo-2-methylbutane.

The formation of the minor product, 3-bromo-2-methylbutane, occurs due to the rearrangement of the carbocation intermediate formed during the addition reaction. The carbocation can rearrange either by shifting a methyl group from the second to the third carbon, or by shifting a hydrogen atom from the third to the second carbon. This rearrangement produces the minor product, 3-bromo-2-methylbutane.

In conclusion, the addition of HBr to 2-methylbut-2-ene produces two products: 2-bromo-2-methylbutane (major product) and 3-bromo-2-methylbutane (minor product). The major product forms due to Markovnikov addition rule, while the minor product forms due to carbocation rearrangement.

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Answer:

plz mark as BRAINLIEST plz...

Explanation:

●Intellectual factor: The term refers to the individual mental level. ...

●Learning factors: ...

●Physical factors: ...

●Mental factors: ...

The solution has a molarity of 0.0924 M.

The number of moles of solute per litre of solution is known as molarity.. For instance, water is both the solution and the solute when table salt is dissolved in it. Each mole of sodium chloride weighs 58.44 grammes. 58.44 grammes of sodium chloride are dissolved in one litre of water to produce one molar solution, or 1M.

Moles of solute per litre of solution is known as molarity (M).

Given: moles of NH3 = 0.355, volume of solution = 3.84 L

Molarity = 0.355 moles / 3.84 L = 0.0924 M

Therefore, the molarity of the solution is 0.0924 M.

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Answer:

Conductor is any material tht allows he flow of electrons or electric current . Ex: Metals like iron and copper.

Hope im right!!

Answer:-

Answer:

Jupiter and Saturn has ammonia clouds in its atmosphere since the molecules of ammonia gas that are present in their atmospheres condense to form clouds. However, these ammonia clouds are more visible in Jupiter than in Saturn because of their lower altitude in Saturn.

Answer:

A

Explanation:

i took the exam

Explanation:

well when you heat ice the individual molecules gain kinetic energy. but until the temperature reaches it's melting point they don't have the energy to break bonds and hold their crystal structure. So, the temperature remains constant until the ice has melted. Hope this helped. Good luck on your project!

Answer:

0.146 M

Explanation:

Use v1s1 = v2s2

here, v1 = 500 mL, v2 = 700 mL, s1 = 0.205 M & s2 = new concentration

Answer

The sodium acetate solution will be more basic because it is a salt formed from a weak acid and a strong base. Salt derived from a strong base and weak acid is usually basic.

However, acetic acid is a weak organic acid that dissociates partially in water and releases part of its hydrogen ions concentration.

Answer: It is option 4

Explanation:

The Chlorine have to share 2 electrons

Answer:

q = 346.5 J

Explanation:

c (specific heat capacity) = 0.90 J/gx°C

ΔT (change in temperature) = 55 - 20 = 35°C.

m (mass in grams) = 11g

q (heat in joules) = ?

q = mcΔT

q = (11g) (0.90 j/gx°c) (35°C)

q = 346.5 J

hope this helps!! p.s. i really need brainliest :)

Answer:  The answer is B. cell

Explanation:

Cells are at the lowest level of organization and the most basic. Cells can be either prokaryotic (without a nucleus) or eukaryotic (with a nucleus).

The system's internal energy decreases while the environment's internal energy rises (option -D) is correct answer.

The internal energy of a system with specific boundaries is composed of the kinetic energy produced by the motion of molecules, the potential energy produced by the vibrational motion, and the electric energy of atoms within molecules. These three types of energy are added together.

The internal energy is equivalent to the system's heat. Since heat is neither created nor destroyed, as the environment's heat level rises, so does the system's heat level.

The gas's state is the only factor that influences its internal energy. In an isothermal process, the volume graph of the change in internal energy in the maximum area under pressure equals the heat supplied in any process. Work is dependent on state but not on a path.

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The emission of a transmitter is caused by the action of calcium ions, which also cause synaptic vesicle exocytosis, which releases the neurotransmitters inside the vesicles and starts synaptic transmission.

Nearly all bodily biological processes, including heart and muscle pulses, neurotransmission of information, memories and learning baby creation, cell proliferation, and Calcium ions enter the cytoplasm of organelles through calcium channels.

Calcium plays a critical role in the brain's regulation of synaptogenesis and memory formation. This process activates certain calmodulin signal transmission pathways and involves important protein effectors such CaMKs, MAPK/ERKs, or CREB.

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Answer:

Windstorm Hope it helped brainiest plz and thank you have a great day!!!

Explanation:

Which of the following natural processes will NOT directly result in the formation of sedimentary rock?

B. Windstorm

Ionic bonding is a type of chemical bond that occurs when electrons are transferred between atoms to form ions. The resulting ions are attracted to each other by their opposite charges and form an ionic compound. Here is a summary of the information you provided:

Element: Na (sodium)

Number of valence electrons: 1

Dot structure: Na

Transfer of electrons: Na loses 1 electron to become Na+

Ions formed: Na+ and Cl-

Compound formed: Sodium chloride (NaCl)

Name of compound: Salt

Element: F (fluorine)

Number of valence electrons: 7

Dot structure: F

Transfer of electrons: F gains 1 electron to become F-

Ions formed: F- and Mg2+

Compound formed: Magnesium fluoride (MgF2)

Element: O (oxygen)

Number of valence electrons: 6

Dot structure: O

Transfer of electrons: O gains 2 electrons to become O2-

Ions formed: Ba2+ and O2-

Compound formed: Barium oxide (BaO)

Element: Li (lithium)

Number of valence electrons: 1

Dot structure: Li

Transfer of electrons: Li loses 1 electron to become Li+

Ions formed: Li+ and Cl-

Compound formed: Lithium chloride (LiCl)

Element: P (phosphorus)

Number of valence electrons: 5

Dot structure: P

Transfer of electrons: P gains 3 electrons to become P3-

Ions formed: Al3+ and P3-

Compound formed: Aluminum phosphide (AlP)

Element: N (nitrogen)

Number of valence electrons: 5

Dot structure: N

Transfer of electrons: N gains 3 electrons to become N3-

Ions formed: Al3+ and N3-

Compound formed: Aluminum nitride (AlN)

Answer:

the maximum safe operating temperature the engineer should recommend for this reaction is 616 °C  

Explanation:

Given the data in the question;

First we calculate the Volume of the steel cylinder;

V = πr²h

radius r = Diameter / 2 = 27 cm / 2 = 13.5 cm

height h = 32.4 cm

so we substitute

V = π × ( 13.5 cm )² × 32.4 cm

V  = π × 182.25 cm × 32.4 cm

V = 18550.79 cm³  

V = 18.551 L

given that; maximum safe pressure P = 3.10 MPa = 30.5946 atm

vessel contains 0.218kg or 218 gram of carbon monoxide gas

molar mass of carbon monoxide gas is 28.010 g/mol

so

moles of carbon monoxide gas n = 218 gram /  28.010 g/mol = 7.7829 mol

we know that;

PV = nRT

solve for T

T = PV / nR

we know that gas constant R = 0.0820574 L•atm•mol⁻¹ K⁻¹

so we substitute

T = ( 30.5946 × 18.551 ) / ( 7.7829 × 0.082 )

T = 567.5604 / 0.6381978

T = 889.317387 K

T = ( 889.317387 - 273.15 ) °C

T = 616.167 ≈ 616 °C  { 3 significant digits }

Therefore, the maximum safe operating temperature the engineer should recommend for this reaction is 616 °C  

43.96 grammes of iron (Il) sulphide can be produced at the most.

It demonstrates how the two elements iron and sulphur react exothermically to generate the complex iron sulphide. In a test tube, the two solids are combined and heated (or ignition tube). The reaction might serve as an example of an element, a mixture, or a compound.

Fe + S → FeS

According to this equation, one mole of iron and one mole of sulphur react to form one mole of iron (II) sulphide (FeS).

Since the reaction is 1:1 between sulfur and FeS, we can say that 0.5 moles of sulfur would produce 0.5 moles of FeS.

To convert moles of FeS to grams of FeS, we need to multiply the number of moles by the molar mass of FeS:

Molar mass of FeS = 55.85 g/mol (for Fe) + 32.06 g/mol (for S) = 87.91 g/mol

0.5 moles of FeS × 87.91 g/mol = 43.96 g of FeS

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According to Newton's second law, force equals mass multiplied by acceleration. As a result, in a car accident, the force exerted by the vehicle and its occupants decreases as the time required for the vehicle to stop increases.

We clearly observed in the Exploration that when two cars collide, each feels a force from the other.

According to Newton's third law, when one object exerts a force on another, the second object feels an equal and opposite force exerted by the first object. This is very clear in the two-object collision.

The force with which your body is struck in a collision is referred to as crash force. Crash force is equal to your body weight multiplied by the vehicle's speed.

Newton's second law states that force equals mass multiplied by acceleration. As a result, the force exerted by the vehicle and its occupants in a car accident decreases as the time required for the vehicle to stop increases.

Thus, this way it hits the car.

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