how many millimeters of 0.200 m naoh are required to completely neutralize 5.0 ml of 0.100 m h3po4?

The temperature is required to pressurize a 7.50 liter vessel containing 5.00 moles of n2 to 33.0 atmospheres is 959 K.

To calculate the temperature required to pressurize a 7.50 liter vessel containing 5.00 moles of N2 to 33.0 atmospheres, 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, R is the gas constant, and T is the temperature.

First, we need to convert the pressure from atmospheres to Pascals, since the gas constant is typically given in SI units:

33.0 atm * 101325 Pa/atm = 3341250 Pa

Next, we can rearrange the ideal gas law equation to solve for T:

T = PV / nR

Plugging in the given values, we get:

T = (3341250 Pa * 7.50 L) / (5.00 mol * 8.314 J/mol-K)

Simplifying, we get:

T = 959 K

Therefore, the temperature required to pressurize the vessel to 33.0 atmospheres is 959 K.

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Answer:

answer:-

a long-term increase in the Earth's average temperature

Answer:

Solution➔

a long term change in the Earth's climate

hope it is helpful to you

Answer:

It is ultracool dwarfs make up about 15% of the astronomical objects.................blah blah blah

Explanation:

took test

The balanced chemical equation is N₂ + 3 H₂\(\rightarrow\) 2 NH₃ which gives the formation of ammonia.

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

The first chemical equation was put forth by Jean Beguin in 1615.By making use of chemical equations the direction of reaction ,state of reactants and products can be stated. In the chemical equations even the temperature to be maintained and catalyst can be mentioned.

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Answer:

OA. YESS

Explanation:

They will because they are all over America.

The value of Effective Nuclear Charge (\(\text{{Zeff}}\))  = 19 and the value of the shielding constant for the electron in the 3d orbital of Cu+ is 10.

To calculate the shielding constant for an electron in the 3d orbital of Cu+, we need to know the atomic number of copper (Cu) and the effective nuclear charge experienced by the electron in question.

The atomic number of copper (Cu) is 29.  For Cu+, the effective nuclear charge can be determined by subtracting the number of core electrons (electrons in the inner shells) from the atomic number. Since Cu+ has lost one electron, it has 28 electrons remaining.

In the 3d orbital of copper:

there are 10 core electrons (occupying the 1s, 2s, 2p, 3s, and 3p orbitals).

Therefore, the effective nuclear charge experienced by the electron in the 3d orbital of Cu+ is:

Effective Nuclear Charge (\(\text{{Zeff}}\)) = Atomic Number (Z) - Core Electrons

Effective Nuclear Charge (\(\text{{Zeff}}\))  = 29 - 10

Effective Nuclear Charge (\(\text{{Zeff}}\))  = 19

The shielding constant is the difference between the atomic number and the effective nuclear charge. Thus, the shielding constant for the electron in the 3d orbital of Cu+ is:

Shielding Constant = Atomic Number - Effective Nuclear Charge

Shielding Constant = 29 - 19

Shielding Constant= 10

Therefore, the value of the shielding constant for the electron in the 3d orbital of Cu+ is 10.

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Carbonated beverages contain dissolved carbon dioxide gas. Low temperatures are best to minimize the solubility. option C is correct.

Drinks that have carbon dioxide dissolved in the water are referred as carbonated beverages. The presence of this gas causes the liquid to froth.

Carbonation takes place by applying pressure. Spring water, beer and soda, and pop are a few examples of carbonated beverages. When carbon dioxide  is absorbed in a liquid, for example spring water, it absorbs Carbon dioxide from the subsurface. It can also happen naturally. Beer is  example of a naturally carbonated beverage as the brewing process produces carbon dioxide soda .

Thus option C is correct.

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Answer: The answer would be matter but ig volume since you said matter , but volume is the amount of space taken up so L ig

Explanation:

cuz

Volume is the area that matter resides in. As a result, we can state that matter has a mass and a volume. thus, matter is anything that has mass and occupies space.

A volume is the three - dimensional area that an object resides in. The liquid relegation system can be used to determine a solid body's volume. In the SI system, the volume is measured in boxy measures, or m3.

Each thing in three confines takes up some space. The volume of this area is what's being measured. The space enthralled within an object's borders in three confines is appertained to as its volume. It's occasionally appertained to as the object's capacity.

Chancing an object's volume can help us calculate the volume demanded to fill it, similar as the volume of water demanded to fill a bottle, terrarium, or water tank.

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Answer: 9841.26

Explanation:

A micelle is a tiny cluster of soap molecules arranged in a spherical shape with the hydrophilic (water-loving) heads pointing outwards and the hydrophobic (water-fearing) tails pointing inwards. When soap is added to water, these micelles form, with the hydrophilic heads being attracted to the water molecules and the hydrophobic tails being repelled by them.

When soap is applied to oily or dirty surfaces, the hydrophobic tails of the micelles attach to the oils and dirt, while the hydrophilic heads remain in contact with the water. This allows the micelles to surround and trap the oils and dirt, effectively suspending them in the water. The micelles can then be easily rinsed away, taking the oils and dirt with them, leaving the surface clean.

Overall, micelles play a crucial role in allowing soap to dissolve oils and dirt in water, making it an effective cleaning agent.
Hi! A micelle is a spherical structure formed by soap molecules when they interact with water. Here's a step-by-step explanation of how micelles enable soap to dissolve oils/dirt in water:

1. Soap molecules consist of a hydrophilic (water-attracting) head and a hydrophobic (water-repelling) tail.
2. When soap is added to water, the hydrophilic heads are attracted to the water, while the hydrophobic tails try to avoid it.
3. As a result, the soap molecules arrange themselves into a micelle, with the hydrophilic heads pointing outward and the hydrophobic tails pointing inward.
4. When oils/dirt come into contact with the soap solution, the hydrophobic tails of the micelle interact with the oils/dirt, trapping them inside the micelle.
5. The hydrophilic heads remain in contact with the water, allowing the micelle to be easily rinsed away, taking the trapped oils/dirt with it.

This is how micelles allow soap to dissolve oils and dirt in water, effectively cleaning surfaces.

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Answer:

the person and the dog energy is at a 150 kg and the second answer is 50 speed

Explanation:

Answer:

B

Explanation:

B

Cations are always smaller than the atoms from which they form. Anions are always larger than the atoms from which they form. Ions are usually bigger than the atoms from which they are formed.

When an atom receives or loses electrons, the atom's electron configuration changes, resulting in a net positive or negative charge.

This net charge expands the electron cloud surrounding the nucleus, making the ion bigger in size than the neutral atoms from which it arose. When a metal atom loses one or more electrons to create a cation, it shrinks in size because the positive charge of the nucleus pulls the remaining electrons more strongly.

When a nonmetal atom obtains one or more electrons to create an anion, it normally expands in size.Because of the increasing amount of electrons, the electron cloud surrounding the nucleus grows. It should be noted that this comparison is not absolute and is dependent on the individual factors involved. Some ions are smaller than their neutral atom counterparts, while others are similar in size.

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The complete question is:

Compare the size of ions to the size of atoms from which they form.

Answer:

5.1 mol

Explanation:

Silver's molar mass is 107.8682

550/107.8682=5.09881503539

Or if you round it's = 5.1

Answer:

5.0

Explanation:

https://www.convertunits.com/from/grams+Silver/to/moles

this is what I used, this maybe be useful later.

In order to find the rate of consumption of HCl in moles/s, you would need to know the balanced equation for the chemical reaction involving magnesium and HCl.

One common reaction is the reaction between magnesium and hydrochloric acid:

Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g)

If the rate of consumption of magnesium is 5.0 × 10^-9 mol/s, this means that 5.0 × 10^-9 moles of magnesium are being consumed per second. In this reaction, one mole of magnesium reacts with 2 moles of HCl, so for every mole of magnesium consumed, 2 moles of HCl are also consumed.

Therefore, the rate of consumption of HCl in moles/s can be calculated by multiplying the rate of consumption of magnesium by 2:

rate of consumption of HCl = (rate of consumption of Mg) * 2

rate of consumption of HCl = (5.0 x 10^-9 mol/s) * 2 = 1.0 x 10^-8 mol/s

So the rate of consumption of HCl in moles/s is 1.0 x 10^-8 moles/s.

Answer:

gshshs

Explanation:

bshsjskskehhshs

The copper metal is heated in the air.  The magnesium ribbon emits a brilliant light and magnesium oxide, which is white. When oxygen is passed over copper (in the presence of heat), an oxidation reaction occurs, resulting in the formation of black copper oxide. The greater change in mass observed when they start to burned.

Copper is a mineral and an element that is essential to our daily lives. It is a significant industrial metal due to its high ductility, malleability, thermal and electrical conductivity, and corrosion resistance. It is a necessary nutrient in our diet.

Metals are a class of materials that have high electrical and thermal conductivity, as well as malleability, ductility, and high light reflection. Copper (Cu), aluminium (Al), and other metals are examples.

The combustion of magnesium ribbon is a combined reaction. This is due to the fact that magnesium reacts with oxygen to form the single product magnesium oxide. When magnesium ribbon is burned in air, it reacts with the oxygen in the air to form magnesium oxide.

Thus, 3g of clean mg ribbon and 8g of clean copper metal were burnt separately in equal volume of air and both mass reacted completely with air the greater change in mass observed when they start to burned.

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Answer: Hi! to find the density of this object you have to calculate the volume first.

V= l x w x h

the volume of this is 40

now that we have the volume we can calculate the density by using a formula

P= m/v

= 300(mass) / 40(volume)

= 7.5 (don’t forget to add units if nessceary)

Explanation: hope this helps! :)

Answer:

it think it is more solute added

Solutions can be saturated by allowing more solute to be dissolved. Thus by adding more solute to the solution it becomes easily saturated. Thus, option C is correct.

A solution is made of a solvent and a solute. The solute be a solid component which dissolves in  the solvent to form a homogenous or heterogenous solution.

The solvent have a capacity to dissolve the solute upto a limit and this point where the solvent dissolves the maximum solute added is called saturation point. And the solution in which maximum solute is dissolved and remaining precipitates under is called saturated solution.

Beyond the saturation point, no further addition of solute make the solvent dissolving. Therefore, the solute reaches its maximum solubility. Solubility of a solute  is the fraction of its concentration which dissolves in a solvent.

By adding more solute the solvent tries to dissolves some more solutes and remaining solute will appear as a precipitate under the solution. Therefore, option C is correct.

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Answer:

Exothermic, it obeys the law of conservation of energy

Explanation:

The reaction is an exothermic change. In this kind of change, heat is liberated to the surrounding. So the surrounding becomes hotter at the end of the heat change.

In chemical reactions that involves the loss of energy as heat, they obey the law of conservation of energy.

The law of conservation of energy states that energy is neither created nor destroyed but transformed from one form to another. In such reactions as this, chemical energy is transformed into heat energy.

D. He is not an electrolyte.

An electrolyte is a medium containing ions that is electrically conducting through the movement of those ions, but not conducting electrons. This includes most soluble salts, acids, and bases dissolved in a polar solvent, such as water. Upon dissolving, the substance separates into cations and anions, which disperse uniformly throughout the solvent. Solid-state electrolytes also exist. In medicine and sometimes in chemistry, the term electrolyte refers to the substance that is dissolved. Electrically, such a solution is neutral. If an electric potential is applied to such a solution, the cations of the solution are drawn to the electrode that has an abundance of electrons, while the anions are drawn to the electrode that has a deficit of electrons. The movement of anions and cations in opposite directions within the solution amounts to a current. Some gases, such as hydrogen chloride (HCl), under conditions of high temperature or low pressure can also function as electrolytes.[clarification needed] Electrolyte solutions can also result from the dissolution of some biological (e.g., DNA, polypeptides) or synthetic polymers (e.g., polystyrene sulfonate), termed "polyelectrolytes", which contain charged functional groups. A substance that dissociates into ions in solution or in the melt acquires the capacity to conduct electricity. Sodium, potassium, chloride, calcium, magnesium, and phosphate in a liquid phase are examples of electrolytes.

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Answer:

Chemical change

Explanation:

Hi again. The lactose in the milk is converted to lactic acid by microbes. It has turned into a new substance that is irreversable.

The new quality is 1 (since the final state is a superheated vapor and the specific volume is 0.9763 m³/kg.

To solve this problem, we can use the steam tables to look up the thermodynamic properties of water at the given initial and final conditions.

From the steam tables, we find that the saturation temperature corresponding to 400 kPa is approximately 143.29°C. Since the water has a quality of 0.25, it is a two-phase mixture of saturated liquid and saturated vapor.

Next, we can use the energy balance equation to find the final specific enthalpy:

m₁h₁ + Q = m₂h₂

where m₁ = m₂ = 2 kg (since the mass of water does not change), h₁ = 3063.3 kJ/kg (the initial specific enthalpy), Q is the amount of heat added, and h₂ is the final specific enthalpy we want to find.

Rearranging the equation and solving for h₂, we get:

h₂ = h₁ + Q/m₁

Q = m₁ΔsT

where Δs is the change in specific entropy and T is the temperature change.

Substituting the given values, we get:

Q = 2 kg × (7.5484 kJ/(kg·K)) × 20 K = 302.736 kJ

Substituting Q and m₁ into the equation for h₂, we get:

h₂ = 3063.3 kJ/kg + (302.736 kJ / 2 kg) = 2914.168 kJ/kg

Finally, we can use the steam tables to find the specific volume of the final state:

v₂ = 0.9763 m³/kg

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Answer:

Iron(III) oxide

Explanation:

Answer:

she could be lying about liking you or just want to be friends just ask

Answer:

44.1 liters

Explanation:

We can use the combined gas law:

P1V1/T1 = P2V2/T2,

where P, V, and T are the  pressures(P), volumes(V), and temperatures(T),  for the initial (P1,V1,T1) and final states (P2,V2,T2).  Note that the temperatures must be in Kelvin (add 273.15 to C to make it K).

We are given all the conditions except V2, the final volume.  Let's rearrange the gas law to solve for V2:

 V2 = V1(T2/T1)(P1/P2)

Note the way I organized the temperature and pressures into ratios of their starting and final conditions.  This makes it easier to visualize how changes will impact the final volume.  If the temperatue goes up, (T2/T1) will increase and V2 will increse.  But it we increase pressure, (P1/P2) will drop, casuing a reduction in volume.

Enter the data.

V1 =36.4L

T1 = 298.2K

T2 = 361.2K

Pressures are not given, but are said to remain the same:  "at constant pressure."  We need a pressure, so we can assume for the sake of simplicity, that the pressure is 1 atm (both P1 and P2).  We can see from the ratio of the two, that the absolute value of the pressure makes no difference (P1/P2) since P1=P2 and the ratio is simply 1.

V2 = V1(T2/T1)(P1/P2)

V2 = (36.4L)(361.2K/298.2K)(1atm/1atm)

The ratio of the temperatures clearly tells us that the final volume should increase, by around 20% (about 60K higher than 300K).  Now do the calculation and see if the volume change is indeed around 20% higher.

V2 = 44.1L

This is around a 20% increase and is higher than the initial volume, so let's claim our work is done.

Answer:

html

Explanation:

im in web tech

Answer:

3 elements

Explanation:

Answer:

3 elements

Explanation:

\(4CO_2+6H_2O\)

the elements that we see are

Carbon (C)

Oxygen (O)

Hidrogen (H)

Oxygen (O)

but it says DIFFERENT so we are counting two oxygens that are the same

so we only have

Carbo (C)

Oxygen (O)

Hidrogen (H)

hence there are only three different elements

The balanced chemical equation for incomplete combustion of methane,2 CH₄+ 3 O₂\(\rightarrow\) 2 CO + 4 H₂O.

Chemical equation is a symbolic representation of a chemical reaction which is written in the form of symbols and chemical formulas.The reactants are present on the left hand side while the products are present on the right hand side.

A plus sign is present between reactants and products if they are more than one in any case and an arrow is present pointing towards the product side which indicates the direction of the reaction .There are coefficients present next to the chemical symbols and formulas .

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The correct answer is option A. The mass of the sample decreased, so physical changes occurred as the metal first melted and then boiled out of the crucible. The decrease in mass is a result of the metal melting and then vaporizing as it is heated.

Physical changes refer to changes in the physical properties of a substance without altering its chemical composition. Examples of physical changes include melting, freezing, condensation, vaporization, sublimation, and physical state changes. Physical changes occur when a substance changes from one state of matter to another without a chemical reaction taking place.

This is an example of a physical change, as the material is changed from a solid to a liquid and then to a gas, but its chemical composition remains the same.

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